Centos7下源编译安装Postgresql 并设置开机自动启动postgresql.serivce 服务相关研究

 

编写开机自动启动服务脚本：

# cat >> /usr/lib/systemd/system/postgresql.service >> EOF

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[Unit] Description=PostgreSQL database server After=network.target   [Service] Type=forking   User=postgres Group=postgres   # Port number for server to listen on Environment=PGPORT=5432   # Location of database directory Environment=PGDATA=/usr/local/pgsql9.4/data   # Where to send early-startup messages from the server (before the logging # options of postgresql.conf take effect) # This is normally controlled by the global default set by systemd # StandardOutput=syslog   # Disable OOM kill on the postmaster OOMScoreAdjust=-1000   #ExecStartPre=/usr/local/pgsql9.4/bin/postgresql-check-db-dir ${PGDATA} ExecStart=/usr/local/pgsql9.4/bin/pg_ctl start -D ${PGDATA} -s -o "-p ${PGPORT}" -w -t 300 ExecStop=/usr/local/pgsql9.4/bin/pg_ctl stop -D ${PGDATA} -s -m fast ExecReload=/usr/local/pgsql9.4/bin/pg_ctl reload -D ${PGDATA} -s   # Give a reasonable amount of time for the server to start up/shut down TimeoutSec=300   [Install] WantedBy=multi-user.target

EOF

 

添加可执行权限：

1	chmod 754 /usr/lib/systemd/system/postgresql.service

 

设置为开机自启动：

1	systemctl enable postgresql.service

 

常用指令(以postgresql服务为例)：

启动某服务: 

1	systemctl  start  postgresql.service

停止某服务:

1	systemctl stop postgresql.service

重启某服务:

1 2	systemctl restart postgresql.service service postgresql restart

使某服务自动启动(如tomcat服务):

1	systemctl enable postgresql.service

使某服务不自动启动:

1	systemctl disable postgresql.service

检查服务状态:

1 2	systemctl   status  postgresql.service （服务详细信息） systemctl   is-active postgresql.service（仅显示是否Active)

显示所有已启动的服务:

1	systemctl   list-units --type=service