Ubuntu16.04下搭建开发环境及编译tiny4412 Android系统

http://blog.csdn.net/column/details/15111.html


1.安装ssh服务器(可通过网络远程登录系统,如putty、xshell)

sudo apt-get install openssh-server


2.安装ftp服务器(默认已安装) windows 可使用leapFTP工具登录

sudo apt-get install vsftpd

需配置ftp服务(修改/etc/vsftpd.conf)

去掉前面#

#local_enable=YES(表示是否允许本地登录)

#write_enable=YES(表示允许上传文件)

重启ftp服务器

sudo /etc/init.d/vsftpd restart

3.安装nfs服务器(默认已安装)

sudo apt-get install nfs-kernel-server

配置nfs服务器(修改/etc/exports)增加以下内容

/share *(rw,sync,no_root_squash,no_subtree_check)

重启nfs服务

sudo /etc/init.d/nfs-kernel-server restart

4.ubuntu下的Samba配置

使每个用户可以用自己的用户名和密码登录自己的home目录

1).先要安装Samba

sudo apt-getinstall samba openssh-server

2).编译Samba配置文件

sudo vi/etc/samba/smb.conf

找到[homes]项,此项默认是注释掉的,取消其注释,然后修改其具体内容,修改成如下:

[homes]

comment = Home Directories

browseable = yes

# By default,the home directories are exportedread-only. Change the

# next parameter to 'no' if you want to be able to writeto them.

read only = no

# File creation mask is set to 0700 for securityreasons. If you want to

# create files with group=rw permissions,set nextparameter to 0775.

create mask = 0755#建议将权限修改成0755,这样其它用户只是不能修改

# Directory creation mask is set to 0700 for securityreasons. If you want to

# create dirs. with group=rw permissions,set nextparameter to 0775.

directory mask = 0755

# By default,\serverusername shares can be connected toby anyone

# with access to the samba server. Un-comment thefollowing parameter

# to make sure that only "username" canconnect to \serverusername

# The following parameter makes sure that only"username" can connect

#

# This might need tweaking when using externalauthentication schemes

valid users = %S #本行需要取消注释

如上修改完成后wq保存退出!

3). 重启samba服务:

sudo/etc/init.d/samba restart

4). 增加一个现有用户的对应samba帐号:

如我已经有一个用户叫lisongze,现在给lisongze开通samba帐号:

sudo smbpasswd-a lisongze (非常重要)

根据提示输入两次密码即可。

5).现在可以测试了,在Window下输入samba地址尝试登录:

\\192.168.3.8\lisongze

6).此时windows应该会弹出窗口要求输入用户名和密码,输入正确可看到/home/lisongze下文件

5.安装arm-linux-gcc交叉工具链

sudo tar xzf arm-linux-gcc-4.5.1-v6-vfp-20120301.tgz -C/

配置环境变量

sudo vim/etc/environment

在PATH中增加:/opt/FriendlyARM/toolschain/4.5.1/bin/

执行soure生效

source/etv/environment

解决bash: /opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-gcc: 没有那个文件或目录

sudo apt-getinstall lsb-core

arm-liux-gcc -v 显示版本就ok了

6.安装 Java 开发环境

sudo apt-get install openjdk-7-jre 或者sudo apt-get install openjdk-7-jdk

Ubuntu16.04的安装源已经默认没有openjdk7了,所以要自己手动添加仓库,如下:

sudo add-apt-repository ppa:openjdk-r/ppa

sudo apt-get update

sudo apt-get install openjdk-7-jdk

7.编译android源码的依赖配置

sudo apt-get install git-core gnupg flexbison gperf build-essential\

zip curl zlib1g-dev gcc-multilib g++-multiliblibc6-dev-i386 \

lib32ncurses5-dev x11proto-core-devlibx11-dev lib32z-dev ccache \

libgl1-mesa-dev libxml2-utils xsltproc unzipm4

8.编译 tiny4412 android 系统

1) . setenv

2) lunch

3) make –j8

4) 生成映象文件

./gen-img.sh

注意:如果提示如下错误,要先编译 u-boot 以得到 mkimage 工具。

./gen-img.sh: line31: mkimage: command not found

编译 u-boot 以得到 mkimage 工具的方法:

tar -xzf uboot_tiny4412-20130729.tgz

cd uboot_tiny4412/

make tiny4412_config

make

sudo cptools/mkimage /usr/bin/


编译过程中错误及解决

1. out/host/linux-x86/bin/acp:error whileloading share libraries:libsrdc++.so.6:cannot open shared object file:No suchfile or directory

缺少libstdc++.so.6

sudo apt-get installlib32stdc++6

2. /bin/bash: gperf: 未找到命令


sudo apt-get install gperf

3./bin/bash: xmllint:未找到命令


sudo apt-get install libxml2-utils

4. build/core/host_shared_library_internal.mk:44: recipe fortarget 'out/host/linux-x86/obj32/lib/libnativehelper.so' failed

cp /usr/bin/ld.goldprebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/x86_64-linux/bin/ld


5.

错误如下

prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6//x86_64-linux/include/c++/4.6/bits/basic_string.h:270: error: unsupported reloc 43
prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6//x86_64-linux/include/c++/4.6/bits/basic_string.h:270: error: unsupported reloc 43
prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6//x86_64-linux/include/c++/4.6/bits/basic_string.h:235: error: unsupported reloc 43
prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6//x86_64-linux/include/c++/4.6/bits/basic_string.h:235: error: unsupported reloc 43
libnativehelper/JNIHelp.cpp:310: error: unsupported reloc 43
libnativehelper/JNIHelp.cpp:311: error: unsupported reloc 43
libnativehelper/JNIHelp.cpp:332: error: unsupported reloc 43
libnativehelper/JNIHelp.cpp:322: error: unsupported reloc 43
libnativehelper/JNIHelp.cpp:338: error: unsupported reloc 43
libnativehelper/JniConstants.cpp:89: error: unsupported reloc 43
libnativehelper/JniConstants.cpp:90: error: unsupported reloc 43

解决方法(一)

修改build/core/clang/HOST_x86_common.mk

diff --git a/core/clang/HOST_x86_common.mk b/core/clang/HOST_x86_common.mk
index 0241cb6..77547b7 100644
--- a/core/clang/HOST_x86_common.mk
+++ b/core/clang/HOST_x86_common.mk
@@ -8,6 +8,7 @@ ifeq ($(HOST_OS),linux)
 CLANG_CONFIG_x86_LINUX_HOST_EXTRA_ASFLAGS := \
   --gcc-toolchain=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG) \
   --sysroot=$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/sysroot \
+  -B$($(clang_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG)/x86_64-linux/bin \
   -no-integrated-as
 
 CLANG_CONFIG_x86_LINUX_HOST_EXTRA_CFLAGS := \  

但是对我而言 错误仍在

解决方法(二)

修改art/build/Android.common_build.mk

# Host.
ART_HOST_CLANG := false
ifneq ($(WITHOUT_HOST_CLANG),true)
  # By default,host builds use clang for better warnings.
  ART_HOST_CLANG := true
endif

改为

# Host.
ART_HOST_CLANG := false
ifeq ($(WITHOUT_HOST_CLANG),false)
  # By default,sans-serif;font-size:14px;">仍然不起作用

解决方法(三)

cp /usr/bin/ld.gold prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/x86_64-linux/bin/ld

这个之后,编译通过。


6.build/core/binary.mk:618: fork: Cannot allocate memory

今天遇到服务器无法SSH,VNC操作命令提示fork:cannot allocate memory

free查看内存还有(注意,命令可能要多敲几次才会出来)



查看最大进程数 sysctl kernel.pid_max




ps -eLf | wc -l查看 程数

确认是
程数满了
修改最大 程数后系统恢复
echo 1000000 > /proc/sys/kernel/pid_max

永久生效
echo "kernel.pid_max=1000000 " >> /etc/sysctl.conf
sysctl -p

7.sudoapt-get install bison
8.make update-api

9.collect2: ld terminated with signal 9 [Killed]
[html] view plain copy
  1. 编译android是出现如下错误:
target Java: CameraEffectsTests (out/target/common/obj/APPS/CameraEffectsTests_intermediates/classes)
collect2: ld terminated with signal 9 [Killed]
编译出错主要原因是服务器虚拟内存不足导致,而服务器刚好又没有swap分区(我司信息管理部很伟大),所以需要建个swap分区,参考网上的方法:
[html] view plain copy

一次编译Android-5.1.1_r38源码时,前面都很顺畅,在生成libwebviewchromium.so这个文件时,出现collect2: ld terminated with signal 9 错误。

libwebviewchromium.so这个文件相当大,产生错误的原因是由于交换分区被占用完了,只有扩大交换分区,方法如下:

#cd /opt

#mkdir swap

#cdswap

#sudo dd if=/dev/zero of=swapfile bs=1024 count=3*1024*1024

#sudo mkswap swapfile

#sudo swaponswapfile

然后 free -m 命令查看下交换分区有没分配成功


接着再重新编译android源码,经过很长时间libwebviewchromium.so这个文件终于可以成功生成了

[html] view plain copy


10.编译成功


root@untu:/home/arm/Android/Android-5.0.2/android-5.0.2# make -j4
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=5.0.2
TARGET_PRODUCT=full_tiny4412
TARGET_BUILD_VARIANT=eng
TARGET_BUILD_TYPE=release
TARGET_BUILD_APPS=
TARGET_ARCH=arm
TARGET_ARCH_VARIANT=armv7-a-neon
TARGET_CPU_VARIANT=cortex-a9
TARGET_2ND_ARCH=
TARGET_2ND_ARCH_VARIANT=
TARGET_2ND_CPU_VARIANT=
HOST_ARCH=x86_64
HOST_OS=linux
HOST_OS_EXTRA=Linux-4.4.1-x86_64-with-Ubuntu-16.04-xenial
HOST_BUILD_TYPE=release
BUILD_ID=LRX22G
OUT_DIR=out
============================================
including ./abi/cpp/Android.mk ...
including ./art/Android.mk ...
including ./bionic/Android.mk ...
including ./bootable/recovery/Android.mk ...
including ./build/libs/host/Android.mk ...
including ./build/target/board/Android.mk ...
including ./build/target/product/security/Android.mk ...
including ./build/tools/Android.mk ...
including ./cts/Android.mk ...
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
find: ‘src’: No such file or directory
including ./dalvik/Android.mk ...
including ./development/apps/BluetoothDebug/Android.mk ...
including ./development/apps/BuildWidget/Android.mk ...
including ./development/apps/CustomLocale/Android.mk ...
including ./development/apps/Development/Android.mk ...
including ./development/apps/DevelopmentSettings/Android.mk ...
including ./development/apps/Fallback/Android.mk ...
including ./development/apps/GestureBuilder/Android.mk ...
including ./development/apps/NinePatchLab/Android.mk ...
including ./development/apps/OBJViewer/Android.mk ...
including ./development/apps/SdkSetup/Android.mk ...
including ./development/apps/SettingInjectorSample/Android.mk ...
including ./development/apps/WidgetPreview/Android.mk ...
including ./development/apps/launchperf/Android.mk ...
including ./development/build/Android.mk ...
including ./development/cmds/monkey/Android.mk ...
including ./development/host/Android.mk ...
including ./development/ndk/Android.mk ...
including ./development/perftests/panorama/Android.mk ...
including ./development/samples/AccelerometerPlay/Android.mk ...
including ./development/samples/ActionBarCompat/Android.mk ...
including ./development/samples/AliasActivity/Android.mk ...
including ./development/samples/AndroidBeamDemo/Android.mk ...
including ./development/samples/ApiDemos/Android.mk ...
including ./development/samples/AppNavigation/Android.mk ...
including ./development/samples/BackupRestore/Android.mk ...
including ./development/samples/BasicGLSurfaceView/Android.mk ...
including ./development/samples/BluetoothChat/Android.mk ...
including ./development/samples/BluetoothHDP/Android.mk ...
including ./development/samples/BusinessCard/Android.mk ...
including ./development/samples/Compass/Android.mk ...
including ./development/samples/ContactManager/Android.mk ...
including ./development/samples/CubeLiveWallpaper/Android.mk ...
including ./development/samples/FixedGridLayout/Android.mk ...
including ./development/samples/HeavyWeight/Android.mk ...
including ./development/samples/HelloActivity/Android.mk ...
including ./development/samples/HelloEffects/Android.mk ...
including ./development/samples/Home/Android.mk ...
including ./development/samples/HoneycombGallery/Android.mk ...
including ./development/samples/JetBoy/Android.mk ...
including ./development/samples/KeyChainDemo/Android.mk ...
including ./development/samples/LunarLander/Android.mk ...
including ./development/samples/MultiResolution/Android.mk ...
including ./development/samples/MySampleRss/Android.mk ...
including ./development/samples/NotePad/Android.mk ...
including ./development/samples/Obb/Android.mk ...
including ./development/samples/RSSReader/Android.mk ...
including ./development/samples/RandomMusicPlayer/Android.mk ...
including ./development/samples/RenderScript/Android.mk ...
including ./development/samples/SampleSyncAdapter/Android.mk ...
including ./development/samples/SearchableDictionary/Android.mk ...
including ./development/samples/SimpleJNI/Android.mk ...
including ./development/samples/SipDemo/Android.mk ...
including ./development/samples/SkeletonApp/Android.mk ...
including ./development/samples/Snake/Android.mk ...
including ./development/samples/SoftKeyboard/Android.mk ...
including ./development/samples/SpellChecker/Android.mk ...
including ./development/samples/StackWidget/Android.mk ...
including ./development/samples/Support13Demos/Android.mk ...
including ./development/samples/Support4Demos/Android.mk ...
including ./development/samples/Support7Demos/Android.mk ...
including ./development/samples/SupportAppNavigation/Android.mk ...
including ./development/samples/SupportLeanbackDemos/Android.mk ...
including ./development/samples/ToyVpn/Android.mk ...
including ./development/samples/TtsEngine/Android.mk ...
including ./development/samples/USB/Android.mk ...
including ./development/samples/UiAutomator/Android.mk ...
including ./development/samples/Vault/Android.mk ...
including ./development/samples/VoiceRecognitionService/Android.mk ...
including ./development/samples/VoicemailProviderDemo/Android.mk ...
including ./development/samples/WeatherListWidget/Android.mk ...
including ./development/samples/WiFiDirectDemo/Android.mk ...
including ./development/samples/WiFiDirectServiceDiscovery/Android.mk ...
including ./development/samples/Wiktionary/Android.mk ...
including ./development/samples/WiktionarySimple/Android.mk ...
including ./development/samples/XmlAdapters/Android.mk ...
including ./development/samples/training/NsdChat/Android.mk ...
including ./development/testrunner/Android.mk ...
including ./development/tools/apkcheck/Android.mk ...
including ./development/tools/elftree/Android.mk ...
including ./development/tools/emulator/test-apps/SmokeTests/Android.mk ...
including ./development/tools/etc1tool/Android.mk ...
including ./development/tools/hosttestlib/Android.mk ...
including ./development/tools/idegen/Android.mk ...
including ./development/tools/line_endings/Android.mk ...
including ./development/tools/mkstubs/Android.mk ...
including ./development/tools/recovery_l10n/Android.mk ...
including ./development/tools/rmtypedefs/Android.mk ...
including ./development/tools/yuv420sp2rgb/Android.mk ...
including ./development/tutorials/MoarRam/Android.mk ...
including ./development/tutorials/NotepadCodeLab/Notepadv1/Android.mk ...
including ./development/tutorials/NotepadCodeLab/Notepadv1Solution/Android.mk ...
including ./development/tutorials/NotepadCodeLab/Notepadv2/Android.mk ...
including ./development/tutorials/NotepadCodeLab/Notepadv2Solution/Android.mk ...
including ./development/tutorials/NotepadCodeLab/Notepadv3/Android.mk ...
including ./development/tutorials/NotepadCodeLab/Notepadv3Solution/Android.mk ...
including ./development/tutorials/ReverseDebug/Android.mk ...
including ./device/asus/deb/dumpstate/Android.mk ...
including ./device/asus/deb/self-extractors/Android.mk ...
including ./device/asus/flo/Android.mk ...
including ./device/asus/fugu/Android.mk ...
including ./device/asus/grouper/Android.mk ...
including ./device/asus/tilapia/recovery/Android.mk ...
including ./device/asus/tilapia/self-extractors/Android.mk ...
including ./device/friendly-arm/common/Android.mk ...
including ./device/friendly-arm/exynos4/Android.mk ...
including ./device/friendly-arm/multimedia/Android.mk ...
including ./device/friendly-arm/tiny4412/Android.mk ...
including ./device/generic/goldfish/audio/Android.mk ...
including ./device/generic/goldfish/camera/Android.mk ...
including ./device/generic/goldfish/gps/Android.mk ...
including ./device/generic/goldfish/lights/Android.mk ...
including ./device/generic/goldfish/opengl/Android.mk ...
including ./device/generic/goldfish/power/Android.mk ...
including ./device/generic/goldfish/qemu-props/Android.mk ...
including ./device/generic/goldfish/qemud/Android.mk ...
including ./device/generic/goldfish/sensors/Android.mk ...
including ./device/generic/goldfish/vibrator/Android.mk ...
including ./device/google/accessory/arduino/Android.mk ...
including ./device/google/accessory/demokit/Android.mk ...
including ./device/google/atv/sdk/Android.mk ...
including ./device/htc/flounder/Android.mk ...
including ./device/lge/hammerhead/Android.mk ...
including ./device/lge/mako/Android.mk ...
including ./device/moto/shamu/Android.mk ...
including ./device/sample/Android.mk ...
including ./device/samsung/manta/Android.mk ...
including ./docs/source.android.com/Android.mk ...
including ./external/aac/Android.mk ...
including ./external/android-clat/Android.mk ...
including ./external/ant-glob/Android.mk ...
including ./external/antlr/Android.mk ...
including ./external/apache-harmony/Android.mk ...
including ./external/apache-http/Android.mk ...
including ./external/apache-xml/Android.mk ...
including ./external/bison/Android.mk ...
including ./external/blktrace/Android.mk ...
including ./external/bluetooth/bluedroid/Android.mk ...
including ./external/bouncycastle/Android.mk ...
including ./external/bsdiff/Android.mk ...
including ./external/bzip2/Android.mk ...
including ./external/ceres-solver/Android.mk ...
including ./external/checkpolicy/Android.mk ...
including ./external/chromium-libpac/Android.mk ...
including ./external/chromium_org/Android.mk ...
including ./external/clang/Android.mk ...
including ./external/compiler-rt/Android.mk ...
including ./external/conscrypt/Android.mk ...
including ./external/deqp/Android.mk ...
including ./external/dexmaker/Android.mk ...
including ./external/dhcpcd/Android.mk ...
including ./external/dnsmasq/Android.mk ...
including ./external/doclava/Android.mk ...
including ./external/droiddriver/Android.mk ...
including ./external/e2fsprogs/Android.mk ...
including ./external/easymock/Android.mk ...
including ./external/eclipse-windowbuilder/propertysheet/Android.mk ...
including ./external/eigen/Android.mk ...
including ./external/elfutils/Android.mk ...
including ./external/emma/Android.mk ...
including ./external/expat/Android.mk ...
including ./external/eyes-free/Android.mk ...
including ./external/f2fs-tools/Android.mk ...
including ./external/fdlibm/Android.mk ...
including ./external/fio/Android.mk ...
including ./external/flac/Android.mk ...
including ./external/freetype/Android.mk ...
including ./external/fsck_msdos/Android.mk ...
including ./external/gcc-demangle/Android.mk ...
including ./external/genext2fs/Android.mk ...
including ./external/giflib/Android.mk ...
including ./external/glide/Android.mk ...
including ./external/google-diff-match-patch/Android.mk ...
including ./external/google-fonts/carrois-gothic-sc/Android.mk ...
including ./external/google-fonts/coming-soon/Android.mk ...
including ./external/google-fonts/cutive-mono/Android.mk ...
including ./external/google-fonts/dancing-script/Android.mk ...
including ./external/google-tv-pairing-protocol/Android.mk ...
including ./external/gtest/Android.mk ...
including ./external/guava/Android.mk ...
including ./external/hamcrest/Android.mk ...
including ./external/harfbuzz_ng/Android.mk ...
including ./external/icu/Android.mk ...
including ./external/iproute2/Android.mk ...
including ./external/ipsec-tools/Android.mk ...
including ./external/iptables/Android.mk ...
including ./external/iputils/Android.mk ...
including ./external/jarjar/Android.mk ...
including ./external/javasqlite/Android.mk ...
including ./external/javassist/Android.mk ...
including ./external/jdiff/Android.mk ...
including ./external/jemalloc/Android.mk ...
including ./external/jhead/Android.mk ...
including ./external/jmdns/Android.mk ...
including ./external/jpeg/Android.mk ...
including ./external/jsilver/Android.mk ...
including ./external/jsmn/Android.mk ...
including ./external/jsoncpp/Android.mk ...
including ./external/jsr305/Android.mk ...
including ./external/junit/Android.mk ...
including ./external/ksoap2/Android.mk ...
including ./external/libcap-ng/Android.mk ...
including ./external/libcxx/Android.mk ...
including ./external/libcxxabi/Android.mk ...
including ./external/libedit/Android.mk ...
including ./external/libexif/Android.mk ...
including ./external/libgsm/Android.mk ...
including ./external/libhevc/Android.mk ...
including ./external/liblzf/Android.mk ...
including ./external/libnfc-nci/Android.mk ...
including ./external/libnfc-nxp/Android.mk ...
including ./external/libnl/Android.mk ...
including ./external/libogg/Android.mk ...
including ./external/libopus/Android.mk ...
including ./external/libpcap/Android.mk ...
including ./external/libpng/Android.mk ...
including ./external/libselinux/Android.mk ...
including ./external/libsepol/Android.mk ...
including ./external/libunwind/Android.mk ...
including ./external/libutf/Android.mk ...
including ./external/libvorbis/Android.mk ...
including ./external/libvpx/Android.mk ...
including ./external/libxml2/Android.mk ...
including ./external/libyuv/Android.mk ...
including ./external/linux-tools-perf/Android.mk ...
including ./external/littlemock/Android.mk ...
including ./external/lldb/Android.mk ...
including ./external/llvm/Android.mk ...
including ./external/ltrace/Android.mk ...
including ./external/lzma/C/Util/Lzma/Android.mk ...
including ./external/lzma/xz-embedded/Android.mk ...
including ./external/markdown/Android.mk ...
including ./external/mdnsresponder/Android.mk ...
including ./external/mesa3d/Android.mk ...
including ./external/mksh/Android.mk ...
including ./external/mockito/Android.mk ...
including ./external/mockwebserver/Android.mk ...
including ./external/mp4parser/Android.mk ...
including ./external/mtpd/Android.mk ...
including ./external/nanohttpd/Android.mk ...
including ./external/nanopb-c/Android.mk ...
including ./external/naver-fonts/Android.mk ...
including ./external/netcat/Android.mk ...
including ./external/netperf/Android.mk ...
including ./external/neven/Android.mk ...
including ./external/nfacct/Android.mk ...
including ./external/nist-pkits/Android.mk ...
including ./external/noto-fonts/Android.mk ...
including ./external/oauth/core/src/main/java/Android.mk ...
including ./external/objenesis/Android.mk ...
including ./external/okhttp/Android.mk ...
including ./external/opencv/Android.mk ...
including ./external/openssl/Android.mk ...
including ./external/oprofile/Android.mk ...
including ./external/owasp/sanitizer/Android.mk ...
including ./external/pdfium/core/Android.mk ...
including ./external/pdfium/fpdfsdk/Android.mk ...
including ./external/pixman/Android.mk ...
including ./external/proguard/Android.mk ...
including ./external/protobuf/Android.mk ...
including ./external/qemu/Android.mk ...
including ./external/regex-re2/Android.mk ...
including ./external/replicaisland/Android.mk ...
including ./external/robolectric/Android.mk ...
including ./external/safe-iop/Android.mk ...
including ./external/scrypt/Android.mk ...
including ./external/sepolicy/Android.mk ...
including ./external/sfntly/Android.mk ...
including ./external/skia/Android.mk ...
including ./external/smack/Android.mk ...
including ./external/smali/baksmali/Android.mk ...
including ./external/smali/deodexerant/Android.mk ...
including ./external/smali/dexlib2/Android.mk ...
including ./external/smali/smali/Android.mk ...
including ./external/sonivox/Android.mk ...
including ./external/speex/Android.mk ...
including ./external/sqlite/android/Android.mk ...
including ./external/sqlite/dist/Android.mk ...
including ./external/srec/Android.mk ...
including ./external/srtp/Android.mk ...
including ./external/stlport/Android.mk ...
including ./external/strace/Android.mk ...
including ./external/stressapptest/Android.mk ...
including ./external/svox/Android.mk ...
including ./external/tagsoup/Android.mk ...
including ./external/tcpdump/Android.mk ...
including ./external/tinyalsa/Android.mk ...
including ./external/tinycompress/Android.mk ...
including ./external/tinyxml/Android.mk ...
including ./external/tinyxml2/Android.mk ...
including ./external/tremolo/Android.mk ...
including ./external/valgrind/Android.mk ...
including ./external/vixl/Android.mk ...
including ./external/webp/Android.mk ...
including ./external/webrtc/Android.mk ...
including ./external/wpa_supplicant_8/Android.mk ...
including ./external/xmp_toolkit/Android.mk ...
including ./external/yaffs2/Android.mk ...
including ./external/zlib/Android.mk ...
including ./external/zopfli/Android.mk ...
including ./external/zxing/Android.mk ...
including ./frameworks/av/camera/Android.mk ...
including ./frameworks/av/cmds/screenrecord/Android.mk ...
including ./frameworks/av/cmds/stagefright/Android.mk ...
including ./frameworks/av/drm/common/Android.mk ...
including ./frameworks/av/drm/drmserver/Android.mk ...
including ./frameworks/av/drm/libdrmframework/Android.mk ...
including ./frameworks/av/drm/mediadrm/plugins/clearkey/Android.mk ...
including ./frameworks/av/drm/mediadrm/plugins/mock/Android.mk ...
including ./frameworks/av/media/common_time/Android.mk ...
including ./frameworks/av/media/img_utils/Android.mk ...
including ./frameworks/av/media/libcpustats/Android.mk ...
including ./frameworks/av/media/libeffects/downmix/Android.mk ...
including ./frameworks/av/media/libeffects/factory/Android.mk ...
including ./frameworks/av/media/libeffects/loudness/Android.mk ...
including ./frameworks/av/media/libeffects/lvm/lib/Android.mk ...
including ./frameworks/av/media/libeffects/lvm/wrapper/Android.mk ...
including ./frameworks/av/media/libeffects/preprocessing/Android.mk ...
including ./frameworks/av/media/libeffects/proxy/Android.mk ...
including ./frameworks/av/media/libeffects/visualizer/Android.mk ...
including ./frameworks/av/media/libmedia/Android.mk ...
including ./frameworks/av/media/libmediaplayerservice/Android.mk ...
including ./frameworks/av/media/libnbaio/Android.mk ...
including ./frameworks/av/media/libstagefright/Android.mk ...
including ./frameworks/av/media/mediaserver/Android.mk ...
including ./frameworks/av/media/mtp/Android.mk ...
including ./frameworks/av/media/ndk/Android.mk ...
including ./frameworks/av/services/audioflinger/Android.mk ...
including ./frameworks/av/services/audiopolicy/Android.mk ...
including ./frameworks/av/services/camera/libcameraservice/Android.mk ...
including ./frameworks/av/services/medialog/Android.mk ...
including ./frameworks/av/services/soundtrigger/Android.mk ...
including ./frameworks/av/soundtrigger/Android.mk ...
including ./frameworks/av/tools/resampler_tools/Android.mk ...
including ./frameworks/base/Android.mk ...
find: ‘phone/java’: No such file or directory
find: ‘phone/java’: No such file or directory
including ./frameworks/compile/libbcc/Android.mk ...
including ./frameworks/compile/mclinker/Android.mk ...
including ./frameworks/compile/slang/Android.mk ...
including ./frameworks/ex/camera2/Android.mk ...
including ./frameworks/ex/common/Android.mk ...
including ./frameworks/ex/framesequence/Android.mk ...
including ./frameworks/ex/variablespeed/Android.mk ...
including ./frameworks/minikin/libs/minikin/Android.mk ...
including ./frameworks/minikin/sample/Android.mk ...
including ./frameworks/ml/Android.mk ...
including ./frameworks/multidex/Android.mk ...
including ./frameworks/native/cmds/atrace/Android.mk ...
including ./frameworks/native/cmds/bugreport/Android.mk ...
including ./frameworks/native/cmds/dumpstate/Android.mk ...
including ./frameworks/native/cmds/dumpsys/Android.mk ...
including ./frameworks/native/cmds/flatland/Android.mk ...
including ./frameworks/native/cmds/installd/Android.mk ...
including ./frameworks/native/cmds/ip-up-vpn/Android.mk ...
including ./frameworks/native/cmds/rawbu/Android.mk ...
including ./frameworks/native/cmds/service/Android.mk ...
including ./frameworks/native/cmds/servicemanager/Android.mk ...
including ./frameworks/native/libs/binder/Android.mk ...
including ./frameworks/native/libs/diskusage/Android.mk ...
including ./frameworks/native/libs/gui/Android.mk ...
including ./frameworks/native/libs/input/Android.mk ...
including ./frameworks/native/libs/ui/Android.mk ...
including ./frameworks/native/opengl/libagl/Android.mk ...
including ./frameworks/native/opengl/libs/Android.mk ...
including ./frameworks/native/opengl/tests/Android.mk ...
including ./frameworks/native/services/batteryservice/Android.mk ...
including ./frameworks/native/services/inputflinger/Android.mk ...
including ./frameworks/native/services/powermanager/Android.mk ...
including ./frameworks/native/services/sensorservice/Android.mk ...
including ./frameworks/native/services/surfaceflinger/Android.mk ...
including ./frameworks/opt/bitmap/Android.mk ...
including ./frameworks/opt/bluetooth/Android.mk ...
including ./frameworks/opt/calendar/Android.mk ...
including ./frameworks/opt/chips/Android.mk ...
including ./frameworks/opt/colorpicker/Android.mk ...
including ./frameworks/opt/datetimepicker/Android.mk ...
including ./frameworks/opt/emoji/Android.mk ...
including ./frameworks/opt/inputmethodcommon/Android.mk ...
including ./frameworks/opt/mms/Android.mk ...
including ./frameworks/opt/net/ethernet/Android.mk ...
including ./frameworks/opt/net/ims/Android.mk ...
including ./frameworks/opt/net/voip/Android.mk ...
including ./frameworks/opt/net/wifi/service/Android.mk ...
including ./frameworks/opt/photoviewer/Android.mk ...
including ./frameworks/opt/setupwizard/navigationbar/Android.mk ...
including ./frameworks/opt/telephony/Android.mk ...
including ./frameworks/opt/timezonepicker/Android.mk ...
including ./frameworks/opt/vcard/Android.mk ...
including ./frameworks/rs/Android.mk ...
including ./frameworks/support/Android.mk ...
find: ‘dummy’: No such file or directory
including ./frameworks/testing/Android.mk ...
including ./frameworks/volley/Android.mk ...
including ./frameworks/webview/Android.mk ...
including ./frameworks/wilhelm/src/Android.mk ...
including ./frameworks/wilhelm/tests/Android.mk ...
including ./hardware/akm/AK8975_FS/akmdfs/Android.mk ...
including ./hardware/akm/AK8975_FS/libsensors/Android.mk ...
including ./hardware/broadcom/libbt/Android.mk ...
including ./hardware/broadcom/wlan/bcmdhd/Android.mk ...
including ./hardware/intel/audio_media/hdmi/Android.mk ...
including ./hardware/intel/bootstub/Android.mk ...
including ./hardware/intel/common/libmix/Android.mk ...
including ./hardware/intel/common/libstagefrighthw/Android.mk ...
including ./hardware/intel/common/libva/Android.mk ...
including ./hardware/intel/common/libwsbm/src/Android.mk ...
including ./hardware/intel/common/omx-components/Android.mk ...
including ./hardware/intel/common/utils/ituxd/Android.mk ...
including ./hardware/intel/common/wrs_omxil_core/Android.mk ...
including ./hardware/intel/img/hwcomposer/Android.mk ...
including ./hardware/intel/img/libdrm/Android.mk ...
including ./hardware/intel/img/psb_headers/Android.mk ...
including ./hardware/intel/img/psb_video/Android.mk ...
including ./hardware/invensense/Android.mk ...
including ./hardware/libhardware/Android.mk ...
including ./hardware/libhardware_legacy/Android.mk ...
including ./hardware/qcom/audio/Android.mk ...
including ./hardware/qcom/bt/Android.mk ...
including ./hardware/qcom/display/Android.mk ...
including ./hardware/qcom/gps/Android.mk ...
including ./hardware/qcom/keymaster/Android.mk ...
including ./hardware/qcom/media/Android.mk ...
including ./hardware/qcom/power/Android.mk ...
including ./hardware/qcom/wlan/qcwcn/Android.mk ...
including ./hardware/ril/libril/Android.mk ...
including ./hardware/ril/librilutils/Android.mk ...
including ./hardware/ril/reference-ril/Android.mk ...
including ./hardware/ril/rild/Android.mk ...
including ./hardware/samsung_slsi/exynos5/Android.mk ...
including ./hardware/ti/omap3/Android.mk ...
including ./hardware/ti/omap4-aah/Android.mk ...
including ./hardware/ti/omap4xxx/Android.mk ...
including ./libcore/Android.mk ...
including ./libnativehelper/Android.mk ...
including ./ndk/Android.mk ...
including ./packages/apps/BasicSmsReceiver/Android.mk ...
including ./packages/apps/Bluetooth/Android.mk ...
including ./packages/apps/Browser/Android.mk ...
including ./packages/apps/Calculator/Android.mk ...
including ./packages/apps/Calendar/Android.mk ...
including ./packages/apps/Camera/Android.mk ...
including ./packages/apps/Camera2/Android.mk ...
fatal: Not a git repository (or any of the parent directories): .git
including ./packages/apps/CellBroadcastReceiver/Android.mk ...
including ./packages/apps/CertInstaller/Android.mk ...
including ./packages/apps/Contacts/Android.mk ...
including ./packages/apps/ContactsCommon/Android.mk ...
including ./packages/apps/DeskClock/Android.mk ...
including ./packages/apps/Dialer/Android.mk ...
including ./packages/apps/Email/Android.mk ...
including ./packages/apps/Exchange/Android.mk ...
including ./packages/apps/Gallery/Android.mk ...
including ./packages/apps/Gallery2/Android.mk ...
including ./packages/apps/HTMLViewer/Android.mk ...
including ./packages/apps/KeyChain/Android.mk ...
including ./packages/apps/Launcher2/Android.mk ...
including ./packages/apps/Launcher3/Android.mk ...
including ./packages/apps/LegacyCamera/Android.mk ...
including ./packages/apps/ManagedProvisioning/Android.mk ...
including ./packages/apps/Mms/Android.mk ...
including ./packages/apps/Music/Android.mk ...
including ./packages/apps/MusicFX/Android.mk ...
including ./packages/apps/Nfc/Android.mk ...
including ./packages/apps/OneTimeInitializer/Android.mk ...
including ./packages/apps/PackageInstaller/Android.mk ...
including ./packages/apps/PhoneCommon/Android.mk ...
including ./packages/apps/Protips/Android.mk ...
including ./packages/apps/Provision/Android.mk ...
including ./packages/apps/QuickSearchBox/Android.mk ...
including ./packages/apps/Settings/Android.mk ...
including ./packages/apps/SoundRecorder/Android.mk ...
including ./packages/apps/SpareParts/Android.mk ...
including ./packages/apps/SpeechRecorder/Android.mk ...
including ./packages/apps/Stk/Android.mk ...
including ./packages/apps/Tag/Android.mk ...
including ./packages/apps/TvSettings/QuickSettings/Android.mk ...
including ./packages/apps/TvSettings/Settings/Android.mk ...
including ./packages/apps/UnifiedEmail/Android.mk ...
including ./packages/apps/VoiceDialer/Android.mk ...
including ./packages/experimental/Android.mk ...
including ./packages/inputmethods/LatinIME/Android.mk ...
including ./packages/inputmethods/OpenWnn/Android.mk ...
including ./packages/providers/CalendarProvider/Android.mk ...
including ./packages/providers/ContactsProvider/Android.mk ...
including ./packages/providers/DownloadProvider/Android.mk ...
including ./packages/providers/MediaProvider/Android.mk ...
including ./packages/providers/PartnerBookmarksProvider/Android.mk ...
including ./packages/providers/TelephonyProvider/Android.mk ...
including ./packages/providers/TvProvider/Android.mk ...
including ./packages/providers/UserDictionaryProvider/Android.mk ...
including ./packages/screensavers/Basic/Android.mk ...
including ./packages/screensavers/PhotoTable/Android.mk ...
including ./packages/screensavers/WebView/Android.mk ...
including ./packages/services/Mms/Android.mk ...
including ./packages/services/Telecomm/Android.mk ...
including ./packages/services/Telephony/Android.mk ...
including ./packages/wallpapers/Basic/Android.mk ...
including ./packages/wallpapers/Galaxy4/Android.mk ...
including ./packages/wallpapers/HoloSpiral/Android.mk ...
including ./packages/wallpapers/LivePicker/Android.mk ...
including ./packages/wallpapers/MagicSmoke/Android.mk ...
including ./packages/wallpapers/MusicVisualization/Android.mk ...
including ./packages/wallpapers/NoiseField/Android.mk ...
including ./packages/wallpapers/PhaseBeam/Android.mk ...
including ./pdk/apps/CameraITS/Android.mk ...
including ./pdk/apps/HelloPDK/Android.mk ...
including ./pdk/apps/TestingCamera/Android.mk ...
including ./pdk/apps/TestingCamera2/Android.mk ...
including ./prebuilts/gcc/darwin-x86/aarch64/aarch64-linux-android-4.8/Android.mk ...
including ./prebuilts/gcc/darwin-x86/aarch64/aarch64-linux-android-4.9/Android.mk ...
including ./prebuilts/gcc/darwin-x86/arm/arm-linux-androideabi-4.8/Android.mk ...
including ./prebuilts/gcc/darwin-x86/mips/mipsel-linux-android-4.8/Android.mk ...
including ./prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.8/Android.mk ...
including ./prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/Android.mk ...
including ./prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.8/Android.mk ...
including ./prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.8/Android.mk ...
including ./prebuilts/misc/Android.mk ...
including ./prebuilts/ndk/Android.mk ...
including ./prebuilts/qemu-kernel/x86/pc-bios/Android.mk ...
including ./prebuilts/sdk/Android.mk ...
including ./prebuilts/tools/Android.mk ...
including ./sdk/adtproductbuild/Android.mk ...
including ./sdk/annotations/Android.mk ...
including ./sdk/avdlauncher/Android.mk ...
including ./sdk/dumpeventlog/Android.mk ...
including ./sdk/emulator/mksdcard/Android.mk ...
including ./sdk/emulator/opengl/Android.mk ...
including ./sdk/eventanalyzer/Android.mk ...
including ./sdk/find_java/Android.mk ...
including ./sdk/find_lock/Android.mk ...
including ./sdk/hierarchyviewer/etc/Android.mk ...
including ./sdk/hierarchyviewer/src/Android.mk ...
including ./sdk/monitor/Android.mk ...
including ./sdk/sdklauncher/Android.mk ...
including ./system/core/Android.mk ...
including ./system/extras/Android.mk ...
including ./system/keymaster/Android.mk ...
including ./system/media/audio_route/Android.mk ...
including ./system/media/audio_utils/Android.mk ...
including ./system/media/camera/src/Android.mk ...
including ./system/media/camera/tests/Android.mk ...
including ./system/netd/client/Android.mk ...
including ./system/netd/server/Android.mk ...
including ./system/security/keystore-engine/Android.mk ...
including ./system/security/keystore/Android.mk ...
including ./system/security/softkeymaster/Android.mk ...
including ./system/vold/Android.mk ...
including ./tools/external/fat32lib/Android.mk ...
including ./vendor/friendly-arm/tiny4412/Android.mk ...
target SharedLib: libwebviewchromium (out/target/product/tiny4412/obj/SHARED_LIBRARIES/libwebviewchromium_intermediates/LINKED/libwebviewchromium.so)




/home/ar/Android/Android-5.0.2/android-5.0.2/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.8/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld.gold: warning: hidden symbol '__system_property_get' in out/target/product/tiny4412/obj/STATIC_LIBRARIES/base_base_gyp_intermediates/base_base_gyp.a(sys_info_android.o) is referenced by DSO out/target/product/tiny4412/obj/lib/libcutils.so
/home/ar/Android/Android-5.0.2/android-5.0.2/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.8/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld.gold: warning: hidden symbol 'SkBitmap::lockPixels() const' in out/target/product/tiny4412/obj/STATIC_LIBRARIES/skia_skia_library_gyp_intermediates/skia_skia_library_gyp.a(SkBitmap.o) is referenced by DSO out/target/product/tiny4412/obj/lib/libjnigraphics.so
/home/ar/Android/Android-5.0.2/android-5.0.2/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.8/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld.gold: warning: hidden symbol 'SkBitmap::unlockPixels() const' in out/target/product/tiny4412/obj/STATIC_LIBRARIES/skia_skia_library_gyp_intermediates/skia_skia_library_gyp.a(SkBitmap.o) is referenced by DSO out/target/product/tiny4412/obj/lib/libjnigraphics.so
/home/ar/Android/Android-5.0.2/android-5.0.2/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.8/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld.gold: warning: hidden symbol 'SkBitmap::notifyPixelsChanged() const' in out/target/product/tiny4412/obj/STATIC_LIBRARIES/skia_skia_library_gyp_intermediates/skia_skia_library_gyp.a(SkBitmap.o) is referenced by DSO out/target/product/tiny4412/obj/lib/libjnigraphics.so
target Symbolic: libwebviewchromium (out/target/product/tiny4412/symbols/system/lib/libwebviewchromium.so)
target Strip: libwebviewchromium (out/target/product/tiny4412/obj/lib/libwebviewchromium.so)
Install: out/target/product/tiny4412/system/lib/libwebviewchromium.so
Install: out/target/product/tiny4412/system/app/webview/webview.apk
mkdir -p out/target/product/tiny4412/system/app/webview/lib/arm ;ln -sf /system/lib/libwebviewchromium.so out/target/product/tiny4412/system/app/webview/lib/arm/libwebviewchromium.so
build/tools/generate-notice-files.py out/target/product/tiny4412/obj/NOTICE.txt out/target/product/tiny4412/obj/NOTICE.html "Notices for files contained in the filesystem images in this directory:" out/target/product/tiny4412/obj/NOTICE_FILES/src
Combining NOTICE files into HTML
Combining NOTICE files into text
Installed file list: out/target/product/tiny4412/installed-files.txt
Target system fs image: out/target/product/tiny4412/obj/PACKAGING/systemimage_intermediates/system.img
Running: mkuserimg.sh -s out/target/product/tiny4412/system out/target/product/tiny4412/obj/PACKAGING/systemimage_intermediates/system.img ext4 system 629145600 out/target/product/tiny4412/root/file_contexts
make_ext4fs -s -T -1 -S out/target/product/tiny4412/root/file_contexts -l 629145600 -a system out/target/product/tiny4412/obj/PACKAGING/systemimage_intermediates/system.img out/target/product/tiny4412/system
Creating filesystem with parameters:
Size: 629145600
Block size: 4096
Blocks per group: 32768
Inodes per group: 7680
Inode size: 256
Journal blocks: 2400
Label:
Blocks: 153600
Block groups: 5
Reserved block group size: 39
Created filesystem with 1913/38400 inodes and 137207/153600 blocks
Install system fs image: out/target/product/tiny4412/system.img
out/target/product/tiny4412/system.img+ maxsize=642318336 blocksize=4224 total=553833924 reserve=6488064


#### make completed successfully (02:40:47 (hh:mm:ss)) ####

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文章浏览阅读727次,点赞6次,收藏27次。在嵌入式Linux开发过程中,可能遇到uboot无法通过nfs服务从Ubuntu下载系统镜像(TTTTTT)的问题。如果你使用的是较新版本的Ubuntu,那么其**默认内核将不支持nfs2**!而**uboot仅支持到nfs2**,因此我们需要修改系统内核以及nfs配置文件,开启nfs2服务。**此问题非常棘手**,因为问题出现的时间太近,并且使用的人少。由于是2023年后才出现的问题,**chatgpt也无法解答**!本文参考网络上多篇博客资料,是解决此问题的最新办法。
ubuntu系统下安装软件的方法有多种,包括使用apt工具、deb软件包安装、源码编译安装以及通过软件中心安装。还有一种以 .run 后缀的软件包也可以在ubuntu系统下安装。具体的安装方法可以通过百度搜索来获取。
文章浏览阅读814次。本篇目的:Xubuntu如何安装pkg-configpkg-config是一个计算机软件包,用于帮助开发人员查找、定位和使用依赖库。它通常用于构建软件时,开发人员需要指定程序所依赖的外部库的位置和版本信息。使用pkg-config,开发人员可以很容易地查找、检索和导出这些依赖库的信息,从而简化了软件的构建过程。_ubuntu中怎么下载pkg-config
文章浏览阅读2k次。ubuntu创建共享文件夹_ubuntu20.04共享文件夹
文章浏览阅读2.9k次,点赞74次,收藏73次。对于有长期远程桌面需求的用户,建议将cpolar套餐升级到专业套餐,支持配置固定的公网TCP端口,且带宽也会相应的增大,支持更高效便捷的远程桌面连接Ubuntu系统。【cpolar内网穿透支持http/https/tcp协议,支持永久免费使用,不限制流量,无需公网IP,也不用进入路由器设置,操作简单。隧道创建成功后,点击左侧仪表盘的状态——在线隧道列表,查看xrdp隧道的所生成的公网TCP端口地址,复制下来。,使用cpolar内网穿透映射3389端口,生成公网TCP端口地址,实现在公网环境下,_ubuntu 局域网桌面
文章浏览阅读3.2k次。而在linux的ubuntu版本中,又多出两类用户:安装ubuntu系统的源用户xxx,其与root具有相同权限,仅在执行命令时,前面加sudo。在ubuntu中,用命令deluser username可以直接删除用户账号及家目录,而用centos7中的命令userdel -r username才能达到同样目的。在ubuntu中,没有moduser命令,centos7中的usermod修改用户信息的命令,同样可以用在ubuntu中。在系统中,创建新的用户或称为账号,一般需要多步操作。_ubuntu创建一个新用户
文章浏览阅读1.6w次,点赞4次,收藏23次。系统的许多日志文件都存储在 /var/log 目录中。你可以使用 ls /var/log 命令来列出可用的日志文件。/var/log/Xorg.0.log:包含 X 服务器的日志信息(图形界面)。打开DASH,搜索日志或者log,打开app,这个是/var/log的界面版。这将显示系统日志的末尾,并提供有关系统崩溃和错误的信息。/var/log/kern.log:包含内核日志信息。/var/log/dmesg:包含开机时的日志信息。/var/log/syslog:包含系统日志信息。_ubuntu查看系统日志
文章浏览阅读857次。首先将source.list复制为source.list.bak备份,然后将source.list内容改为需要的镜像源列表即可。Ubuntu采用apt作为软件安装工具,其镜像源列表记录在/etc/apt/source.list文件中。本节均为 Ubuntu 20.04 的镜像源列表。若为其他版本,将所有focal更改为其他版本代号即可。_apt 国内源