CentOs7 开机自动启动

locator script

file name:geode.service
<code>
[Unit]
Description=geode
[Service]
Type=forking
ExecStart=/yougola/cluster/geode/Pivotal_GemFire_820_b17919_Linux/bin/gfsh start locator --name=locator171 --locators='192.168.0.171[10334],192.168.0.172[10334]' --mcast-port=0 --dir=/yougola/cluster/geode/Pivotal_GemFire_820_b17919_Linux/data --classpath=/yougola/cluster/geode/classes
PrivateTmp=true
[Install]
WantedBy=multi-user.target
</code>

server script

file name:geode.service
<code>
[Unit]
Description=geode
[Service]
Type=forking
ExecStart=/yougola/cluster/geode/Pivotal_GemFire_820_b17919_Linux/bin/gfsh start server --name=server173 --locators='192.168.0.171[10334],192.168.0.172[10334]' --classpath=/yougola/cluster/geode/classes --dir=/yougola/cluster/geode/Pivotal_GemFire_820_b17919_Linux/data --cache-xml-file=/yougola/cluster/geode/Pivotal_GemFire_820_b17919_Linux/defaultConfigs/cache.xml --max-heap=3G --J=-Xmx3G --J=-Xms3G
PrivateTmp=true
[Install]
WantedBy=multi-user.target

</code>

[Unit]:服务的说明
Description:描述服务After:描述服务类别
[Service]服务运行参数的设置
Type=forking是后台运行的形式
ExecStart为服务的具体运行命令
ExecReload为重启命令
ExecStop为停止命令
PrivateTmp=True表示给服务分配独立的临时空间
注意：[Service]的启动、重启、停止命令全部要求使用绝对路径
[Install]服务安装的相关设置，可设置为多用户

保存目录

以754的权限保存在目录：
/lib/systemd/system

设置开机自启动

systemctl enable geode.service

任务
旧指令
新指令

使某服务自动启动
chkconfig --level 3 httpd on
systemctl enable httpd.service

使某服务不自动启动
chkconfig --level 3 httpd off
systemctl disable httpd.service

检查服务状态
service httpd status
systemctl status httpd.service （服务详细信息） systemctl is-active httpd.service （仅显示是否 Active)

显示所有已启动的服务
chkconfig --list
systemctl list-units --type=service

启动某服务
service httpd start
systemctl start httpd.service

停止某服务
service httpd stop
systemctl stop httpd.service

重启某服务
service httpd restart
systemctl restart httpd.service

启动nginx服务
systemctl start nginx.service
设置开机自启动
systemctl enable nginx.service
停止开机自启动
systemctl disable nginx.service
查看服务当前状态
systemctl status nginx.service
重新启动服务
systemctl restart nginx.service
查看所有已启动的服务
systemctl list-units --type=service