Install pgsql10.3 under centos7
Foreword
Installed pgsql-10.3 on centos7, and found many articles on the Internet. It took a long time to succeed. Then summarize the installation process to avoid wasting time next time.
Download pgsql-10.3
system versioncentos7
Download pgsql-10.3:https://www.postgresql.org/ftp/source/v10.3/
Upload tar package to server
$ scp postgresql-10.3.tar.gz [email protected]:~
The authenticity of host '192.168.56.189 (192.168.56.189)' can't be established.
ECDSA key fingerprint is SHA256:q2lore2LaeBsH4j3jmEVg0VYbfudDDR4LkmF/rt+Zp0.
Are you sure you want to continue connecting (yes/no)? yes
Failed to add the host to the list of known hosts (/home/liz/.ssh/known_hosts).
[email protected]'s password:
postgresql-10.3.tar.gz 100% 25MB 37.5MB/s 00:00
installation
Unzip
# tar -xzvf postgresql-10.3.tar.gz
Install basic tools
yum install -y vim lrzsz tree wget gcc gcc-c++ readline-devel zlib-devel
Compile
Go to the folder you just unzipped and execute the command
./configure --prefix=/usr/local/pgsql
The following /usr/local/pgsqlshows the specific location to be compiled and installed, you can define your own
installation
make && make install
Then wait for the installation ...
until it appears PostgreSQL installation complete.that the installation was successful
Create directory data, log
# mkdir /usr/local/pgsql/data
# mkdir /usr/local/pgsql/log
Add system environment variables
vim /etc/profile
Write at the end
PGHOME=/usr/local/pgsql
export PGHOME
PGDATA=/usr/local/pgsql/data
export PGDATA
PATH=$PATH:$HOME/.local/bin:$HOME/bin:$PGHOME/bin
Note: /usr/local/pgsqlneed to modify to your own installation directory
Make configuration file effective
# source /etc/profile
Add user postgres and empower
# adduser postgres
# chown -R postgres:root /usr/local/pgsql/
Change password (at root)
# passwd postgres
更改用户 postgres 的密码 。
新的 密码：
无效的密码： 密码未通过字典检查 - 过于简单化/系统化
重新输入新的 密码：
passwd：所有的身份验证令牌已经成功更新。
Initialize the database
Note: Need to postgresbe initialized under the user
Switch user postgres
# su postgres
Then initialize the database
# /usr/local/pgsql/bin/initdb -D /usr/local/pgsql/data/
Edit configuration file
# vim /usr/local/ppgsql/data/postgresql.conf
modify
listen_addresses = '*'
port = 5432
Also modify
# vim /usr/local/pgsql/data/pg_hba.conf
Add at the end
Description:
TYPE: pg connection method, local: local unix socket, host: tcp / ip connection
DATABASE: designated database
USER: designated database user
ADDRESS: ip address, you can define a certain host or a certain network segment, 32 represents the entire The IP address is equivalent to a fixed IP. 24 represents only the first three digits, and the last digit is any
METHOD between 0 and 255 : authentication method, commonly used are ident, md5, password, trust, reject.
md5 is a commonly used password authentication method.
password is transmitted to the database as a clear text password, it is recommended not to use it in a production environment.
Trust is to log in as long as you know the database user name, it is recommended not to use in a production environment.
Reject is to reject authentication.
Start service
$ pg_ctl start -l /usr/local/pgsql/log/pg_server.log
could not change directory to "/root/postgresql-10.3": 权限不够
waiting for server to start.... done
server started
Start, stop, restart
./pg_ctl start\stop\restart -D /usr/local/pgsql/data/
View version
# psql -V
psql (PostgreSQL) 10.3
Set boot
Copy the linux file in the pgs installation package to /etc/init.d or /etc/rc.d
[root@10 postgresql-10.3]# cp contrib/start-scripts/linux /etc/init.d/pgsql
Modify the configuration items in the pgsql file according to the installation path
## EDIT FROM HERE
# Installation prefix （安装路径）
prefix=/usr/local/pgsql
# Data directory （data路径）
PGDATA="/usr/local/pgsql/data"
Modify pgsql file permissions
# chmod +x /etc/init.d/pgsql
Execute pgsql file at boot
# chkconfig --add pgsql
Turn off the firewall
$ systemctl stop firewalld
$ systemctl disable firewalld