源码安装Postgresql9.5
Postgresql简介：PostgreSQL是一个功能强大，开源对象关系型数据库系统。它拥有超过15年的持续开发和经验证的体系结构，赢得了良好的声誉：可靠性，数据完整性和正确性
官方号称：
PostgreSQL: The world's most advanced open source database
官网下载地址：https://www.postgresql.org/download/
Postgresql部署：
环境：
# cat /etc/redhat-release
CentOS Linux release 7.2.1511 (Core)
下载包：
# wget https://ftp.postgresql.org/pub/source/v9.5.4/postgresql-9.5.4.tar.gz
安装依赖包：
# yum install gcc gcc-c++ automake autoconf libtool make readline-devel zlib-devel-y
# yum install -y perl-ExtUtils-Embedperl-ExtUtils-MakeMake perl-ExtUtils-MakeMaker-Coverage readline readline-devel pam pam-devel libxml2 libxml-devel libxml2-python libxml2-staticlibxslt libxslt-develtcl tcl-devel python-devel openssl openssl-devel
创建postgresql用户及设置密码(postgresql默认不允许root用户启动):
# useradd -u 6233 -p 123456 postgres
# id postgres
uid=6233(postgres) gid=6233(postgres) groups=6233(postgres)
编译安装postgresql:
# tar -xf postgresql-9.5.4.tar.gz
# cd postgresql-9.5.4
# ./configure --prefix=/usr/local/postgresql--with-pgport=1921 --with-perl --with-tcl --with-python --with-openssl --with-pam--with-libxml --with-libxslt --enable-thread-safety --with-wal-blocksize=16 --with-blocksize=16
编译安装有两种方式：make和gmake，这里推荐gmake
方法1：gmake world &&gmake install-world
方法2：make -j 4 && make install
# gmake world &&gmake install-world
# ls /usr/local/postgresql/
binincludelibshare
设置数据库目录及权限：
# mkdir -p /data/postgresql
# chown -R postgres.postgres /data/postgresql/
添加系统环境变量：
# echo 'export PATH=$PATH:/usr/local/postgresql/bin/' >> /etc/profile
# psql -V
psql (PostgreSQL) 9.5.4
初始化数据库：
# su - postgres
$ initdb -D /data/postgresql/ -U postgres -E UTF8 --locale=C -W
The files belonging to this database system will be owned by user "postgres".
This user must also own the server process.
The database cluster will be initialized with locale "C".
The default text search configuration will be set to "english".
Data page checksums are disabled.
fixing permissions on existing directory /data/postgresql ... ok
creating subdirectories ... ok
selecting default max_connections ... 100
selecting default shared_buffers ... 128MB
selecting dynamic shared memory implementation ... posix
creating configuration files ... ok
creating template1 database in /data/postgresql/base/1 ... ok
initializing pg_authid ... ok
Enter new superuser password: 设置超级用户的密码
Enter it again:
setting password ... ok
initializing dependencies ... ok
creating system views ... ok
loading system objects' descriptions ... ok
creating collations ... ok
creating conversions ... ok
creating dictionaries ... ok
setting privileges on built-in objects ... ok
creating information schema ... ok
loading PL/pgSQL server-side language ... ok
vacuuming database template1 ... ok
copying template1 to template0 ... ok
copying template1 to postgres ... ok
syncing data to disk ... ok
WARNING: enabling "trust" authentication for local connections
You can change this by editing pg_hba.conf or using the option -A, or
--auth-local and --auth-host, the next time you run initdb.
Success. You can now start the database server using:
pg_ctl -D /data/postgresql/ -l logfile start
参数：
-U postgres：指定的数据库超级管理员，自定义
-W ：设置密码
-D ：数据存放目录
-E ：设置编译
修改验证方式简单的配置：
$ vim /data/postgresql/pg_hba.conf
host all all 127.0.0.1/32 md5 MD5验证方式需要输入用户密码
$ vim /data/postgresql/postgresql.conf
port = 1236 # (change requires restart)
max_connections = 100
unix_socket_directories = '/dev/shm/'
添加服务管理脚本：
# cd postgresql-9.5.4
# cp contrib/start-scripts/linux /etc/init.d/postgresql
# chmod +x /etc/init.d/postgresql
# chkconfig postgresql on
# vim /etc/init.d/postgresql
prefix=/usr/local/postgresql
PGDATA="/data/postgresql"
PGUSER=postgres
PGLOG="$PGDATA/serverlog"
启动postgresql:
# /etc/init.d/postgresql start
#lsof -i :1236
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
postmaste 16232 postgres 3uIPv653256 0t0TCP localhost:bvcontrol (LISTEN)
postmaste 16232 postgres 4uIPv453257 0t0TCP localhost:bvcontrol (LISTEN)
登陆postgresql:
# psql -h 127.0.0.1 -p 1236 -U postgres -d postgres
Password for user postgres:
psql (9.5.4)
Type "help" for help.
postgres=#
安装所有的扩展包：
# cd postgresql-9.5.4/contrib/
# ls -d */ | xargs -n 1 -P 0 sh -c 'cd {}; make ; make install;'c
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