CentOS 7.x Set Custom boot up, add custom system services

Centos System Services Script directory:

/usr/lib/systemd/  

The system and user points,

In the case of a program that is capable of running without landing, there is a system service, which is:

lib/systemd/system/  

Conversely, the user can log in to run the program, there are users (user)

Service ends with. Service.

This side with Nginx boot Run for example IT 1. Establishing Service Files

[Unit]  
Description=nginx  
after=network.target  
   
[Service]  
type=forking  
execstart=/www/lanmps/init.d/ Nginx start  
execreload=/www/lanmps/init.d/nginx restart  
execstop=/www/lanmps/init.d/nginx  stop  
privatetmp=true  
   
[Install]  

[Unit]: Description of the service

Description: Describing services
After: Description of service categories

Settings for running parameters for service services

Type=forking is the form of background running
Execstart the specific Run command for the service
Execreload reboot Command
Execstop to stop command
Privatetmp=true represents a temporary space for a service to be allocated independently
Note: The start, restart, and stop commands for service are all required to use absolute paths

[Install] Service installation settings that can be set up for multi-user Linux learning, http://linux.it.net.cn 2. Save Directory

Save in Directory with 754 permissions:

/lib/systemd/system

3. Set power-on self-starter

Systemctl Enable Nginx.service

4. Other Orders

Task	Old instructions	New instructions
Make a service start automatically	Chkconfig--level 3 httpd on	Systemctl Enable Httpd.service
Make a service not start automatically	Chkconfig--level 3 httpd off	Systemctl Disable Httpd.service
Check Service status	Service httpd Status	Systemctl Status Httpd.service (service details) Systemctl is-active Httpd.service (show whether active only)
Show all started services	Chkconfig--list	Systemctl list-units--type=service
Start a service	Service httpd Start	Systemctl Start Httpd.service
Stop a service	Service httpd Stop	Systemctl Stop Httpd.service
Restart a service	Service httpd Restart	Systemctl Restart Httpd.service

Start Nginx Service I

Systemctl Start Nginx.service

Set up startup

Systemctl Enable Nginx.service

Stop power-on Self start

Systemctl Disable Nginx.service

To view the current status of a service

Systemctl Status Nginx.service

Restart Service

View all services that have started

Systemctl list-units--type=service