centos7下安装postgresql13

本文主要是介绍centos7下安装postgresql13，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

PostgreSQL13

install

本机环境

[root@sonarqube02 ~]# cat /etc/redhat-release 
CentOS Linux release 7.8.2003 (Core)
[root@sonarqube02 ~]# cat /proc/version 
Linux version 3.10.0-1127.19.1.el7.x86_64 (mockbuild@kbuilder.bsys.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-39) (GCC) ) #1 SMP Tue Aug 25 17:23:54 UTC 2020

1.通过清华大学源yum安装

Index of /postgresql/ | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror

1.创建repo文件

[root@sonarqube02 ~]# cat /etc/yum.repos.d/postgresql.repo 
[postgresql]
name=postgresql
baseurl=https://mirrors.tuna.tsinghua.edu.cn/postgresql/repos/yum/13/redhat/rhel-7-x86_64/
gpgcheck=1
gpgkey=https://mirrors.tuna.tsinghua.edu.cn/postgresql/repos/yum/RPM-GPG-KEY-PGDG-13

报错1：

Downloading packages:
warning: /var/cache/yum/x86_64/7/postgresql/packages/postgresql13-libs-13.3-1PGDG.rhel7.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID 442df0f8: NOKEY

Public key for postgresql13-libs-13.3-1PGDG.rhel7.x86_64.rpm is not installed

解决1：

指定gpgkey即可

gpgkey=https://mirrors.tuna.tsinghua.edu.cn/postgresql/repos/yum/RPM-GPG-KEY-PGDG-13

2.安装postgresql13-server

[root@sonarqube02 ~]# yum list|grep postgresql13
postgresql13.x86_64                        13.3-1PGDG.rhel7           @postgresql
postgresql13-libs.x86_64                   13.3-1PGDG.rhel7           @postgresql
postgresql13-server.x86_64                 13.3-1PGDG.rhel7           @postgresql
postgresql13-contrib.x86_64                13.3-1PGDG.rhel7           postgresql
postgresql13-devel.x86_64                  13.3-1PGDG.rhel7           postgresql
postgresql13-docs.x86_64                   13.3-1PGDG.rhel7           postgresql
postgresql13-llvmjit.x86_64                13.3-1PGDG.rhel7           postgresql
postgresql13-odbc.x86_64                   13.00.0000-1PGDG.rhel7     postgresql
postgresql13-plperl.x86_64                 13.3-1PGDG.rhel7           postgresql
postgresql13-plpython3.x86_64              13.3-1PGDG.rhel7           postgresql
postgresql13-pltcl.x86_64                  13.3-1PGDG.rhel7           postgresql
postgresql13-test.x86_64                   13.3-1PGDG.rhel7           postgresql

yum makecache
yum -y install postgresql13-server.x86_64

3.启动服务

/usr/pgsql-13/bin/postgresql-13-setup initdb

systemctl enable postgresql-13
systemctl start postgresql-13

4.验证

[root@sonarqube02 ~]# ps -ef|grep postgres
postgres   2384      1  0 Jul30 ?        00:00:00 /usr/pgsql-13/bin/postmaster -D /var/lib/pgsql/13/data/
postgres   2386   2384  0 Jul30 ?        00:00:00 postgres: logger 
postgres   2388   2384  0 Jul30 ?        00:00:00 postgres: checkpointer 
postgres   2389   2384  0 Jul30 ?        00:00:00 postgres: background writer 
postgres   2390   2384  0 Jul30 ?        00:00:00 postgres: walwriter 
postgres   2391   2384  0 Jul30 ?        00:00:00 postgres: autovacuum launcher 
postgres   2392   2384  0 Jul30 ?        00:00:00 postgres: stats collector 
postgres   2393   2384  0 Jul30 ?        00:00:00 postgres: logical replication launcher 

2.通过官方二进制包安装

PostgreSQL: Linux downloads (Red Hat family)

1.选择安装包版本

2.Copy, paste and run the relevant parts of the setup script:

# Install the repository RPM:
sudo yum install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm

# Install PostgreSQL:
sudo yum install -y postgresql13-server

# Optionally initialize the database and enable automatic start:
sudo /usr/pgsql-13/bin/postgresql-13-setup initdb
sudo systemctl enable postgresql-13
sudo systemctl start postgresql-13

test

安装完毕后，系统会创建一个数据库超级用户 postgres，密码为空

1.切换用户

[root@sonarqube02 ~]# cat /etc/passwd|grep postgres
postgres:x:26:26:PostgreSQL Server:/var/lib/pgsql:/bin/bash

[root@sonarqube02 ~]# sudo -iu postgres
-bash-4.2$ 

[root@sonarqube02 ~]# sudo --help

sudo - execute a command as another user

Options:

-i, --login run login shell as the target user; a command may also be specified

-u, --user=user run command (or edit file) as specified user name or ID

2.这时使用以下命令进入 postgres，输出以下信息，说明安装成功：

-bash-4.2$ psql 
psql (13.3)
Type "help" for help.

postgres=# 

3.输入以下命令退出 PostgreSQL 提示符：

postgres=# \q

-bash-4.2$ exit
logout
[root@sonarqube02 ~]# 

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