Remember a Centos7 Postgresql v11 database backup and restore

One, database installation

Choose to install according to your own environment

1, yum specified directory installation

https://blog.csdn.net/llwy1428/article/details/105143053

2, yum install directly

https://blog.csdn.net/llwy1428/article/details/102486414

3. Compile and install

https://blog.csdn.net/llwy1428/article/details/95444151

4. PostgreSql basic operation

https://blog.csdn.net/llwy1428/article/details/102598732

5. Centos7 yum installation, configuration PgAdmin4

https://blog.csdn.net/llwy1428/article/details/102486511

6, Centos7 PostgreSql database installation extension

https://blog.csdn.net/llwy1428/article/details/105167524

7. Centos7 PostgreSql database uses FDW extension

https://blog.csdn.net/llwy1428/article/details/106291669

8. Centos7 postgresql v11 installs timescale database TimescaleDB

https://blog.csdn.net/llwy1428/article/details/106357900

Two, database backup

1. Back up the local database

Back up the database dbfrom to the /tmp path and name it as sysdb.backup file

/usr/pgsql-11/bin/pg_dump --file "/tmp/sysdb.backup" --host "localhost" --port "5432" --username "postgres" --dbname "dbfrom" --verbose --role "postgres" --format=c --blobs --encoding "UTF8"

2. Back up the remote database

vim ~/.pgpass
写入内容：
目标数据库IP:5432:目标数据库:postgres:目标数据库密码

Execute backup command

/usr/pgsql-11/bin/pg_dump --file "/tmp/sysdb.backup" --host "目标数据库IP" --port "5432" --username "postgres" --dbname "目标数据库" --verbose --role "postgres" --format=c --blobs --encoding "UTF8"

Three, database restore

chmod 755 /tmp/sysdb.backup

Switch user

su - postgres
psql

Create database

CREATE DATABASE dbto;

 Switch to the postgres user and execute the restore command

su - postgres
pg_restore --username "postgres" --no-password --role "postgres" --dbname "dbto" --verbose /tmp/sysdb.backup

 

 

 

 

 

Postgresql v11 database backup and restore operations are complete!