Centos MySQL 5.7 安装、升级详细教程

卸载当前的 MySQL

查看当前 MySQL 版本:
[root@coderknock ~]# mysql -V
mysql  Ver 14.14 Distrib 5.1.73,for redhat-linux-gnu (i386) using readline 5.1
停止 MySQL 服务
[root@coderknock ~]# service mysqld stop
Stopping mysqld:                                           [  OK  ]
备份数据【数据不重要可以忽略】

备份数据库,升级MySQL通常不会丢失数据,但保险起见,我们需要做这一步。输入命令:

[root@coderknock ~]# mysqldump -u xxx -h xxx -P 3306 -p --all-databases > databases.sql
卸载旧版本 MySQL
[root@coderknock ~]# yum remove mysql mysql-*
Loaded plugins: security
Setting up Remove Process
Resolving Dependencies
--> Running transaction check ---> Package mysql.i686 0:5.1.73-7.el6 will be erased ---> Package mysql-libs.i686 0:5.1.73-7.el6 will be erased --> Processing Dependency: libmysqlclient.so.16 for package: 2:postfix-2.6.6-6.el6_7.1.i686 --> Processing Dependency: libmysqlclient.so.16 for package: perl-DBD-MySQL-4.013-3.el6.i686 --> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16) for package: 2:postfix-2.6.6-6.el6_7.1.i686 --> Processing Dependency: libmysqlclient.so.16(libmysqlclient_16) for package: perl-DBD-MySQL-4.013-3.el6.i686 --> Processing Dependency: mysql-libs for package: 2:postfix-2.6.6-6.el6_7.1.i686 ---> Package mysql-server.i686 0:5.1.73-7.el6 will be erased --> Running transaction check ---> Package perl-DBD-MySQL.i686 0:4.013-3.el6 will be erased ---> Package postfix.i686 2:2.6.6-6.el6_7.1 will be erased --> Processing Dependency: /usr/sbin/sendmail for package: cronie-1.4.4-16.el6_8.2.i686 --> Processing Dependency: /usr/sbin/sendmail for package: redhat-lsb-core-4.0-7.el6.centos.i686 --> Running transaction check ---> Package cronie.i686 0:1.4.4-16.el6_8.2 will be erased --> Processing Dependency: cronie = 1.4.4-16.el6_8.2 for package: cronie-anacron-1.4.4-16.el6_8.2.i686 ---> Package redhat-lsb-core.i686 0:4.0-7.el6.centos will be erased --> Running transaction check ---> Package cronie-anacron.i686 0:1.4.4-16.el6_8.2 will be erased --> Processing Dependency: /etc/cron.d for package: crontabs-1.10-33.el6.noarch --> Processing Dependency: /etc/cron.d for package: sysstat-9.0.4-31.el6.i686 --> Restarting Dependency Resolution with new changes. --> Running transaction check ---> Package crontabs.noarch 0:1.10-33.el6 will be erased ---> Package sysstat.i686 0:9.0.4-31.el6 will be erased --> Finished Dependency Resolution 
Dependencies Resolved

=======================================================================================================================================================================================================  Package                                     Arch                               Version                                       Repository                                                          Size
======================================================================================================================================================================================================= Removing:
 mysql                                       i686                               5.1.73-7.el6                                  @base                                                              2.3 M
 mysql-libs                                  i686                               5.1.73-7.el6                                  @base                                                              3.9 M
 mysql-server                                i686                               5.1.73-7.el6                                  @base                                                               24 M
Removing for dependencies:
 cronie                                      i686                               1.4.4-16.el6_8.2                              @updates                                                           169 k
 cronie-anacron                              i686                               1.4.4-16.el6_8.2                              @updates                                                            38 k
 crontabs                                    noarch                             1.10-33.el6                                   @anaconda-CentOS-201311291201.i386/6.5                             2.4 k
 perl-DBD-MySQL                              i686                               4.013-3.el6                                   @base                                                              341 k
 postfix                                     i686                               2:2.6.6-6.el6_7.1                             @base                                                              9.3 M
 redhat-lsb-core                             i686                               4.0-7.el6.centos                              @anaconda-CentOS-201311291201.i386/6.5                              22 k
 sysstat                                     i686                               9.0.4-31.el6                                  @base                                                              804 k

Transaction Summary
======================================================================================================================================================================================================= Remove       10 Package(s)

Installed size: 41 M
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Erasing    : mysql-server-5.1.73-7.el6.i686                                                                                                                                                     1/10 
warning: /var/log/mysqld.log saved as /var/log/mysqld.log.rpmsave
  Erasing    : redhat-lsb-core-4.0-7.el6.centos.i686                                                                                                                                              2/10 
/var/tmp/rpm-tmp.Y5QGjy: line 1: lsb_release: command not found
  Erasing    : mysql-5.1.73-7.el6.i686                                                                                                                                                            3/10 
  Erasing    : perl-DBD-MySQL-4.013-3.el6.i686                                                                                                                                                    4/10 
  Erasing    : sysstat-9.0.4-31.el6.i686                                                                                                                                                          5/10 
  Erasing    : crontabs-1.10-33.el6.noarch                                                                                                                                                        6/10 
  Erasing    : cronie-anacron-1.4.4-16.el6_8.2.i686                                                                                                                                               7/10 
  Erasing    : cronie-1.4.4-16.el6_8.2.i686                                                                                                                                                       8/10 
  Erasing    : 2:postfix-2.6.6-6.el6_7.1.i686                                                                                                                                                     9/10 
  Erasing    : mysql-libs-5.1.73-7.el6.i686                                                                                                                                                      10/10 
  Verifying  : redhat-lsb-core-4.0-7.el6.centos.i686                                                                                                                                              1/10 
  Verifying  : perl-DBD-MySQL-4.013-3.el6.i686                                                                                                                                                    2/10 
  Verifying  : mysql-server-5.1.73-7.el6.i686                                                                                                                                                     3/10 
  Verifying  : crontabs-1.10-33.el6.noarch                                                                                                                                                        4/10 
  Verifying  : sysstat-9.0.4-31.el6.i686                                                                                                                                                          5/10 
  Verifying  : cronie-anacron-1.4.4-16.el6_8.2.i686                                                                                                                                               6/10 
  Verifying  : cronie-1.4.4-16.el6_8.2.i686                                                                                                                                                       7/10 
  Verifying  : mysql-libs-5.1.73-7.el6.i686                                                                                                                                                       8/10 
  Verifying  : mysql-5.1.73-7.el6.i686                                                                                                                                                            9/10 
  Verifying  : 2:postfix-2.6.6-6.el6_7.1.i686                                                                                                                                                    10/10 

Removed:
  mysql.i686 0:5.1.73-7.el6                                     mysql-libs.i686 0:5.1.73-7.el6                                     mysql-server.i686 0:5.1.73-7.el6                                    

Dependency Removed:
  cronie.i686 0:1.4.4-16.el6_8.2              cronie-anacron.i686 0:1.4.4-16.el6_8.2     crontabs.noarch 0:1.10-33.el6     perl-DBD-MySQL.i686 0:4.013-3.el6     postfix.i686 2:2.6.6-6.el6_7.1    
  redhat-lsb-core.i686 0:4.0-7.el6.centos     sysstat.i686 0:9.0.4-31.el6               

Complete!

这样就卸载完成了,为了保险起见我们检查一下系统中是否还有 MySQL 相关内容没有删除干净

[root@coderknock ~]# yum list installed | grep mysql
[root@coderknock ~]# 

上面的情况是没有未删除部分,如果有的话可通过下面的命令删除:

[root@coderknock ~]# yum remove mysql-libs

下载最新版本的 MySQL

查看系统配置信息选择对应 MySQL 包
[root@coderknock ~]# uname -r 
3.10.104-1.el6.elrepo.i686

在浏览器打开 sohu提供的 MySQL 镜像(官网速度太慢)


然后根据自己系统配置选择对应的 rpm 包,右键复制文件链接,我的选择如下:

下载并解压
[root@coderknock ~]# wget http://mirrors.sohu.com/mysql/MySQL-5.7/mysql-5.7.17-1.el6.i686.rpm-bundle.tar
--2017-01-06 22:46:15--  http://mirrors.sohu.com/mysql/MySQL-5.7/mysql-5.7.17-1.el6.i686.rpm-bundle.tar
Resolving mirrors.sohu.com... 119.188.36.70
Connecting to mirrors.sohu.com|119.188.36.70|:80... connected.
HTTP request sent,awaiting response... 200 OK
Length: 448163840 (427M) [application/octet-stream]
Saving to: “mysql-5.7.17-1.el6.i686.rpm-bundle.tar100%[=============================================================================================================================================================>] 448,163,840 9.98M/s   in 45s     

2017-01-06 22:47:00 (9.54 MB/s) - “mysql-5.7.17-1.el6.i686.rpm-bundle.tar” saved [448163840/448163840]
[root@coderknock ~]# tar xvf mysql-5.7.17-1.el6.i686.rpm-bundle.tar 
mysql-community-libs-compat-5.7.17-1.el6.i686.rpm
mysql-community-client-5.7.17-1.el6.i686.rpm
mysql-community-embedded-devel-5.7.17-1.el6.i686.rpm
mysql-community-devel-5.7.17-1.el6.i686.rpm
mysql-community-common-5.7.17-1.el6.i686.rpm
mysql-community-test-5.7.17-1.el6.i686.rpm
mysql-community-embedded-5.7.17-1.el6.i686.rpm
mysql-community-libs-5.7.17-1.el6.i686.rpm
mysql-community-server-5.7.17-1.el6.i686.rpm

安装及配置

安装 rpm 【有依赖关系,请按下面的步骤安装,搜索 [root@coderknock ~]# 可跳过安装日志直接查看相关命令】
[root@coderknock ~]# yum localinstall mysql-community-common-5.7.17-1.el6.i686.rpm 
Loaded plugins: security
Setting up Local Package Process
Examining mysql-community-common-5.7.17-1.el6.i686.rpm: mysql-community-common-5.7.17-1.el6.i686
Marking mysql-community-common-5.7.17-1.el6.i686.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package mysql-community-common.i686 0:5.7.17-1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=======================================================================================================================================================================================================
 Package                                           Arch                            Version                                  Repository                                                            Size
=======================================================================================================================================================================================================
Installing:
 mysql-community-common i686 5.7.17-1.el6 /mysql-community-common-5.7.17-1.el6.i686 2.5 M

Transaction Summary =======================================================================================================================================================================================================
Install       1 Package(s)

Total size: 2.5 M
Installed size: 2.5 M
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
 Installing : mysql-community-common-5.7.17-1.el6.i686 1/1 
 Verifying : mysql-community-common-5.7.17-1.el6.i686 1/1 

Installed:
 mysql-community-common.i686 0:5.7.17-1.el6 

Complete!
[root@coderknock ~]# yum localinstall mysql-community-libs-5.7.17-1.el6.i686.rpm 
Loaded plugins: security
Setting up Local Package Process
Examining mysql-community-libs-5.7.17-1.el6.i686.rpm: mysql-community-libs-5.7.17-1.el6.i686
Marking mysql-community-libs-5.7.17-1.el6.i686.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package mysql-community-libs.i686 0:5.7.17-1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=======================================================================================================================================================================================================
 Package                                          Arch                             Version                                   Repository                                                           Size
=======================================================================================================================================================================================================
Installing:
 mysql-community-libs i686 5.7.17-1.el6 /mysql-community-libs-5.7.17-1.el6.i686 7.8 M

Transaction Summary =======================================================================================================================================================================================================
Install       1 Package(s)

Total size: 7.8 M
Installed size: 7.8 M
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
 Installing : mysql-community-libs-5.7.17-1.el6.i686 1/1 
 Verifying : mysql-community-libs-5.7.17-1.el6.i686 1/1 

Installed:
 mysql-community-libs.i686 0:5.7.17-1.el6 

Complete!
[root@coderknock ~]# yum localinstall mysql-community-client-5.7.17-1.el6.i686.rpm 
Loaded plugins: security
Setting up Local Package Process
Examining mysql-community-client-5.7.17-1.el6.i686.rpm: mysql-community-client-5.7.17-1.el6.i686
Marking mysql-community-client-5.7.17-1.el6.i686.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package mysql-community-client.i686 0:5.7.17-1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=======================================================================================================================================================================================================
 Package                                           Arch                            Version                                  Repository                                                            Size
=======================================================================================================================================================================================================
Installing:
 mysql-community-client i686 5.7.17-1.el6 /mysql-community-client-5.7.17-1.el6.i686 87 M

Transaction Summary =======================================================================================================================================================================================================
Install       1 Package(s)

Total size: 87 M
Installed size: 87 M
Is this ok [y/N]: ^[[A^Hy
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
 Installing : mysql-community-client-5.7.17-1.el6.i686 1/1 
 Verifying : mysql-community-client-5.7.17-1.el6.i686 1/1 

Installed:
 mysql-community-client.i686 0:5.7.17-1.el6 

Complete!
[root@coderknock ~]# yum localinstall mysql-community-server-5.7.17-1.el6.i686.rpm 
Loaded plugins: security
Setting up Local Package Process
Examining mysql-community-server-5.7.17-1.el6.i686.rpm: mysql-community-server-5.7.17-1.el6.i686
Marking mysql-community-server-5.7.17-1.el6.i686.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package mysql-community-server.i686 0:5.7.17-1.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=======================================================================================================================================================================================================
 Package                                           Arch                            Version                                  Repository                                                            Size
=======================================================================================================================================================================================================
Installing:
 mysql-community-server i686 5.7.17-1.el6 /mysql-community-server-5.7.17-1.el6.i686 695 M

Transaction Summary =======================================================================================================================================================================================================
Install       1 Package(s)

Total size: 695 M
Installed size: 695 M
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
 Installing : mysql-community-server-5.7.17-1.el6.i686 1/1 
 Verifying : mysql-community-server-5.7.17-1.el6.i686 1/1 

Installed:
 mysql-community-server.i686 0:5.7.17-1.el6 

Complete!
配置

查看版本

[root@coderknock ~]# mysql -V
mysql  Ver 14.14 Distrib 5.7.17,for Linux (i686) using  EditLine wrapper

启动 MySQL

[root@coderknock ~]# service mysqld start MySQL Daemon failed to start. Starting mysqld: [FAILED]

上面的情况说明启动失败,这是因为经过上面的步骤,MySQL 最新版已经安装到我们的系统了,但这是还没有初始化数据,所以导致无法启动。

初始化数据库

[root@coderknock ~]# mysqld --initialize

如果遇到错误如下:

2017-01-06T14:53:08.889803Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2017-01-06T14:53:08.892190Z 0 [ERROR] --initialize specified but the data directory has files in it. Aborting.
2017-01-06T14:53:08.892475Z 0 [ERROR] Aborting

可以运行以下命令【无需再执行 mysqld --initialize】:

[root@coderknock ~]# rm -rf /var/lib/mysql
[root@coderknock ~]# service mysqld start
Initializing MySQL database:                         [  OK  ]
Installing validate password plugin:                       [  OK  ]
Starting mysqld:                                           [  OK  ]

这样我们就启动了 MySQL 服务

MySQL 无法登陆的解决办法

登录时我遇到了一些问题:

[root@coderknock ~]# mysql -u root -p
Enter password: 
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

这是因较新版本的 MySQL 因为安全的考虑,会设置默认密码

[root@coderknock ~]# grep 'temporary password' /var/log/mysqld.log
2017-01-06T14:53:33.490540Z 1 [Note] A temporary password is generated for root@localhost: Ei(GLix_p6/1

这样就找到了密码,如果上面方法不可行可以看看是否有 /root/.mysql_secret 文件

或者通过以下方法直接修改密码:

[root@coderknock ~]# service mysqld stop
Stopping mysqld:                                           [  OK  ]
[root@coderknock ~]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
[1] 14208
[root@coderknock ~]# 2017-01-06T15:02:18.663496Z mysqld_safe Logging to '/var/log/mysqld.log'.
2017-01-06T15:02:18.666764Z mysqld_safe Logging to '/var/log/mysqld.log'.
2017-01-06T15:02:18.693025Z mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
^C
[root@coderknock ~]# mysql -u root mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.7.17 MySQL Community Server (GPL)

Copyright (c) 2000,2016,Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>update mysql.user set authentication_string=password('你的密码.') where User='root';
Query OK,1 row affected,1 warning (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 1
mysql> flush privileges;
mysql> update mysql.user set Host='%' where User='root'
Query OK,1 warning (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 1
mysql> flush privileges;

注意SQL在Linux下要注意大小写,执行之后Query OK,1 row affected,1 warning (0.00 sec),row 之前是1才代表执行成功了。update mysql.user set Host='%' where User='root' 这句是为了别的 IP 的机器也可以登录我们的MySQL,可以按需执行

重置密码

无论是获取到了默认密码还是强行修改了密码。新版 MySQL 在第一次通过密码登录后会无法执行SQL:

mysql> select host from mysql.user where User='root';
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.

这是因为 MySQL 为了安全会要求修改初始密码。

mysql> ALTER USER 'root'@'%' IDENTIFIED BY '你的密码';

如果遇到ERROR 1819 (HY000): Your password does not satisfy the current policy requirements说明你的密码太简单,需要设置复杂点的密码,有大小写字母、有数字、有标点基本上就可以通过。
注意,如果你没有修改过 root 用户的Host或者修改为非 % 的字符,需要对上面的语句进行对应的修改,例如: ALTER USER ‘root’@’localhost’ IDENTIFIED BY ‘你的密码’

如果遇到ERROR 1290 (HY000): The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement 则需要退出安全模式,正常启动MySQL后登陆再进行以上操作:

mysql> quit
[root@coderknock ~]# ps -ef|grep mysql
root     14208 12686  0 23:02 pts/0    00:00:00 /bin/sh /usr/bin/mysqld_safe --user=mysql --skip-grant-tables --skip-networking
mysql    14381 14208  0 23:02 pts/0    00:00:00 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --skip-grant-tables --skip-networking --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock
root     15148 12686  0 23:23 pts/0    00:00:00 grep mysql
[root@coderknock ~]# kill -9 114208
-bash: kill: (114208) - No such process
[root@coderknock ~]# kill -9 14208
[1]+  Killed                  mysqld_safe --user=mysql --skip-grant-tables --skip-networking
[root@coderknock ~]# kill -9 1438
[root@coderknock ~]# service mysqld start
[root@coderknock ~]# mysql -u root mysql

如有问题可以留下你的评论,或加入 拿客 中的qq群咨询。

版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。

相关推荐


文章浏览阅读903次。4.清除缓存目录(/var/cache/yum)下的软件包及旧的headers。11.列出所有已安裝但不在 Yum Repository 內的软件包信息。3.清除缓存目录(/var/cache/yum)下旧的 headers。2.清除缓存目录(/var/cache/yum)下的 headers。5.列出所有已安装但不在 Yum Repository 內的软件包。1.清除缓存目录(/var/cache/yum)下的软件包。9.列出所有可更新的软件包信息。3.列出所有可更新的软件包。_centos yum update
文章浏览阅读1.5k次。Python 是一种高级解释性编程语言,已被用于各种应用程序开发,并在近年来获得了巨大的流行。Python 可用于编写广泛的应用程序,包括 Web 开发、数据分析、科学计算、人工智能、游戏等。由于其简单易用,它是初学者的理想语言。Python广泛应用于金融、医疗保健和科技等行业,并且由于其丰富的数据分析和可视化库和工具集而受到数据科学家和研究人员的欢迎。创建本内容时 Python 的最新稳定版本是 Python 3.11。_linux安装python3.11
文章浏览阅读2.6k次。打开终端或控制台,以root或具有sudo权限的用户身份登录。根据你的Linux发行版和网络管理工具的不同,相应的命令可能略有不同。使用以下命令编辑网络配置文件,例如eth0网卡的配置文件:注意:ifcfg-eth0 可能会有不同的命名,根据实机情况确认。在编辑器中,找到以"IPADDR"开头的行,然后修改IP地址。例如,将IP地址更改为192.168.1.100_银河麒麟修改ip地址
文章浏览阅读744次,点赞24次,收藏26次。目标:通过AppSrv为InsideCli客户端网络分配地址,地址池范围:192.168.0.110-192.168.0.190/24。另外一个虚拟网卡改为192.168.0.1给Rserver服务器,添加多一个网卡,用于连接不同的网段分别选刚才选好的两个网段之后,开启各虚拟机,配置IP地址ip addr查看网卡vi /etc/sysconfig/network-scripts/ifcfg-ens33新网卡没有UUID,要生成一个uuidgen然后记下进入文件夹cd /etc/sysconfig/netwo
文章浏览阅读1.1w次,点赞8次,收藏26次。chmod命令来自于英文词组“change mode”的缩写,其功能适用于改变文件或者目录权限的命令。默认只有文件的所有者和管理员可以设置文件权限,普通用户只能管理自己的文件的权限属性。设置权限时可以使用数字法,亦可使用字母表达式,对于目录文件建议加入-R参数进行递归操作,意味着不仅对于目录本身,也对目录内的子文件/目录进行新权限的设定。_chmod修改权限
文章浏览阅读1.2k次。yum源的URL地址,本例中是文件系统的路径,以“file:///”开头。其中,是要安装的软件包的名称。:本节的名称,可以是任何名称,但是必须以“[ ]”括起来。如果能够看到光盘的设备信息,则说明系统已经检测到了光盘。注意:baseurl的值必须是光盘挂载的目录路径。:GPG公钥文件的路径,用于yum包的安全性检查。:yum源是否启用,1表示启用,0表示禁用。:是否进行GPG校验,1表示是,0表示否。打开终端,使用root用户登录。:yum源的名称,可以自定义。_centos挂载光盘
文章浏览阅读1.4k次。这会在系统中安装新的 OpenSSL 版本。如果输出结果中的版本号为 1.1.1 或更高版本,则说明 OpenSSL 已成功升级。然后将新安装的OpenSSL做软连接到这个路径。4.初始化并编译、安装。_centos 升级 openssl
文章浏览阅读4.9k次,点赞5次,收藏11次。[Linux下的软连接、软链接的方式]][[Linux使用的filesystem库来自于c++17提供的新特性]][[Linux下centos查看 GCC 、G++版本]][[Linux 下centos 查看 -std 是否支持 C17 ]]_gcc c++17
文章浏览阅读3.2k次,点赞3次,收藏9次。Linux (centos) 安装Python3.9(保姆级别)_centos安装python3.9
文章浏览阅读5.9k次,点赞4次,收藏4次。进入国内的阿里云的,这里CentOS 7提供了三种ISO镜像文件的下载:DVD ISO、Everything ISO、Minimal ISO。阿里云下载链接: http://mirrors.aliyun.com/centos/点击进入下载页面,随便选择一个下载即可(不推荐,推荐阿里云下载,见下文)阿里云下载站点(速度非常快推荐)_centos7 iso
文章浏览阅读3.9k次。运行报错_inconsistency detected by ld.so: dl-call-libc-early-init.c: 37: _dl_call_lib
文章浏览阅读782次,点赞22次,收藏24次。通过查看INSTALL文件我们可以知道安装glibc2.31的要求,需要binutils版本2.25以上,texinfo版本4.7以上,bison版本2.7以上,sed版本3.02以上,gettext0.10.36以上,Python3.4以上,GDB7.8以上,make版本4.0以上,GCC版本6.2 以上。isl-0.18版本: http://www.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure。_rpm 更新glibc2.31
文章浏览阅读905次,点赞19次,收藏16次。操作系统运维相关操作,实用而全面_centos 共享磁盘
文章浏览阅读1.5k次。CentOS Stream的位置提到RHEL上游,解决了“孤儿”的问题。红帽在RHEL上开发的所有功能都已经在CentOS Stream上完成,生态伙伴所添加的内容都将返回到CentOS Stream中,这些新功能会在未来RHEL发布出来,避免了生态伙伴创新消失不见情况的发生,从而保护投资,保护创新。为什么强调位置的变化?红帽的创新得到了CentOS创造者Gregory Kurtzer的肯定,他曾在公开场合表示,红帽做了正确的事情,CentOS Stream的场景比CentOS更好,更适合社区的发展。_dnf: command not found
文章浏览阅读1k次,点赞3次,收藏6次。sysconf:keepalived核心配置文件所在位置,固定位置,改成其他位置则keepalived启动不了,/var/log/messages中会报错。注意:如果在第5步执行 make && make install 时,报如下错误,则可能是keepalived版本号不对,可以试试 2.1.0 以前的版本。4. 进入到解压后的文件夹内,里面会看到 configure 文件,接下来就可以使用 configure 命令进行配置了。2. 通过 ftp工具上传到 linux:/home/software/_服务器双机热备
文章浏览阅读3k次。配置iptables规则,限制用户的出口IP,这里是根据用户的uid去限制的,比如user001用户的uid是1000,配置user001用户的出口IP就是172.17.22.1,以下是示例,根据自己情况修改uid和出口IP。找到auth的配置,默认是注释了的,先放开注释(就是把首行的#去掉),然后把Authentication这列改为u,以下是修改后的截图。打开后是空文件,在这里面添加自己的代理账号和密码,格式:账号+英文空格+密码,以下是例子,自己配置自己的账号。至此恭喜你,完成了所有配置!_站群搭建socks5
文章浏览阅读815次。下载链接:https://github.com/PowerShell/PowerShell/releases。下载链接:https://github.com/PowerShell/PowerShell/_linux中pwsh安装
文章浏览阅读877次,点赞10次,收藏5次。在CentOS系统中,Apache服务器是一个常用的Web服务器软件,它可以高效地提供静态HTTP服务。现在,您已经成功地在CentOS系统中配置了Apache服务器提供静态HTTP服务。启用默认站点:确保在配置文件中启用了默认的站点配置。此外,根据您的需求,您可能还需要进一步配置Apache的其他功能和模块。在配置文件中,您可以进行各种设置以定义您的静态HTTP服务的行为。指令,以定义适当的权限和设置。例如,确保目录的权限设置为适当的读/写/执行权限。指令设置为包含您的静态文件的目录路径。_centos还能用服务器吗
文章浏览阅读676次,点赞71次,收藏64次。简单几步实现在Linux centos环境下安装部署sql server数据库,并结合cpolar内网穿透工具,创建安全隧道将其映射到公网上,获取公网地址,实现在外异地远程连接家里/公司的sqlserver数据库,而无需公网IP,无需设置路由器,亦无需云服务器。
文章浏览阅读5.5k次。在 CentOS 7 中,可以通过以下步骤来开放指定端口号:1、使用 root 或具有管理员权限的用户登录到 CentOS 7 服务器。2、使用防火墙管理工具 firewalld 进行端口开放。 firewalld 是 CentOS 7 默认的防火墙管理工具。3、检查当前防火墙的状态,确保 firewalld 服务已经运行并且正常工作。可以使用以下命令来检查:_centos7开放端口