psql遇到麻烦
问题描述
我之前把postgresql的data_directory 换了地方,导致我打开psql会有如下错误:
Is the server running locally and accepting connections on Unix domain socket “/var/run/postgresql/.s.PGSQL.5432
解决方法
找到postgresql所在的文件夹
whereis postgresql
llxy@llxy-GS65-Stealth-9SD:/var/lib$ whereis postgresql
postgresql: /usr/lib/postgresql /etc/postgresql /usr/share/postgresql
进到 /usr/lib/postgresql/12/bin 查到 pg_ctl 存放在这里,ok记住这个路径(path1 )
llxy@llxy-GS65-Stealth-9SD:~$ cd /usr/lib/postgresql
12
llxy@llxy-GS65-Stealth-9SD:/usr/lib/postgresql$ cd 12
llxy@llxy-GS65-Stealth-9SD:/usr/lib/postgresql/12$ ls
bin lib
llxy@llxy-GS65-Stealth-9SD:/usr/lib/postgresql/12$ ls bin
clusterdb initdb pg_checksums pg_dumpall pg_restore pg_upgrade reindexdb
createdb oid2name pg_config pg_isready pg_rewind pg_waldump vacuumdb
createuser pg_archivecleanup pg_controldata pg_receivewal pg_standby postgres vacuumlo
dropdb pg_basebackup pg_ctl pg_recvlogical pg_test_fsync postmaster
dropuser pgbench pg_dump pg_resetwal pg_test_timing psql
再找到更改后的 data_directory做存的文件夹,我存放在/bigdisk/pgdata,同样记住这个路径(path2)
切换到 postgresql 用户
su - postgres
postgres@llxy-GS65-Stealth-9SD:D:~$ sudo /usr/lib/postgresql/12/bin/pg_ctl -D /home/llxy/bigdisk/pgdata start
pg_ctl: another server might be running; trying to start server anyway
waiting for server to start....2022-12-05 16:00:32.069 CST [31906] LOG: starting PostgreSQL 12.12 (Ubuntu 12.12-0ubuntu0.20.04.1) on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0, 64-bit
2022-12-05 16:00:32.069 CST [31906] LOG: listening on IPv4 address "127.0.0.1", port 5432
2022-12-05 16:00:32.074 CST [31906] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432"
2022-12-05 16:00:32.157 CST [31907] LOG: database system shutdown was interrupted; last known up at 2022-12-05 16:00:04 CST
..2022-12-05 16:00:34.073 CST [31907] LOG: database system was not properly shut down; automatic recovery in progress
2022-12-05 16:00:34.085 CST [31907] LOG: redo starts at D/AC1D948
2022-12-05 16:00:34.085 CST [31907] LOG: invalid record length at D/AC1DA30: wanted 24, got 0
2022-12-05 16:00:34.085 CST [31907] LOG: redo done at D/AC1D9F8
2022-12-05 16:00:34.208 CST [31906] LOG: database system is ready to accept connections
done
server started
把上面的换成path1 pth2就行, be like:
sudo path1/pg_ctl -D path2 start
然后就接着启动psql
,就ok啦
postgres@llxy-GS65-Stealth-9SD:~$ psql
psql (12.12 (Ubuntu 12.12-0ubuntu0.20.04.1))
Type "help" for help.
postgres=#
原文地址:https://blog.csdn.net/L_jessica7227/article/details/128187691
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