下载源码包
https://www.postgresql.org/ftp/source/v12.7/
安装必要的包
yum
-y install readline readline-devel zlib zlib-devel gettext
gettext-devel openssl openssl-devel pam pam-devel libxml2 libxml2-devel
libxslt libxslt-devel perl perl-devel tcl-devel uuid-devel gcc gcc-c++
make flex bison perl-ExtUtils*
配置目录
userdel -r postgres
#源文件目录
mkdir -p /opt/soft
#安装文件目录
mkdir -p /opt/pg12
#数据目录
mkdir -p /opt/pgdata
#WAL 目录
mkdir -p /opt/pgwal
#归档目录
mkdir -p /opt/pgarchive
chown -R postgres:postgres /opt
chmod 0700 /opt/pgdata /opt/pgwal /opt/pgarchive
解压
cd /opt/soft
tar -xzvf postgresql-12.7.tar.gz
编译安装
su - postgres
cd /opt/soft
./configure --prefix=/opt/pg12 --with-pgport=5432
gmake world
gmake install-world
数据库初始化和启动
软链接
ln -s /opt/pg12 /opt/pgsql
初始化：输入密码123456
/opt/pgsql/bin/initdb -D/opt/pgdata -X/opt/pgwal -EUTF8 -Upostgres -W
启动
/opt/pgsql/bin/pg_ctl -D /opt/pgdata -l logfile start
查看版本
/opt/pg12/bin/postgres --version
postgres (PostgreSQL) 12.7
配置环境变量
vi ~/.bash_profile
export PGPORT=5432
export PGUSER=postgres
export PGHOME=/opt/pgsql
export PGDATA=/opt/pgdata
export
数据库启停
查看数据库运行状态
pg_ctl -D /opt/pgdata status
启动数据库
pg_ctl -D /opt/pgdata start &
查看数据库运行状态
pg_ctl -D /opt/pgdata status
停止数据库
pg_ctl -D /opt/pgdata stop
postgres=# select version();
重启数据库
pg_ctl -D /opt/pgdata restart &
连接
netstat -lp --protocol=unix | grep postgres
psql -U postgres -h localhost -p 5432
psql -U postgres -h1.15.57.253 -p 5432
开启归档
show archive_command ;
cd $PGDATA
[postgres@VM-0-9-centos pgdata]$ cat postgresql.conf |grep archive_mode
#archive_mode = off # enables archiving; off, on, or always
[postgres@VM-0-9-centos pgdata]$ vi postgresql.conf
archive_mode = on
archive_command = 'cp %p /opt/arch/%f'
切换归档
select
