CentOS 7.x Setup Custom boot, add custom system service

Centos System Services Script directory:

1. /usr/lib/systemd/

System and users (user),

If you need to boot the program can be run without logging in, there is system services (systems), that is:

1. /lib/systemd/system/

Conversely, the user login to run the program, the presence of users (user)

The service ends with a. Service.

This is an example of an nginx boot operation.

1. Create a service file

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1. Vim/lib/systemd/system/nginx.service

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2. [Unit]

4. Description=nginx

6. After=network.target

10. [Service]

12. Type=forking

14. Execstart=/www/lanmps/init.d/nginx start

16. Execreload=/www/lanmps/init.d/nginx restart

18. Execstop=/www/lanmps/init.d/nginx stop

20. Privatetmp=true

24. [Install]

26. Wantedby=multi-user.target

[Unit]: Description of the service

Description: Description Service
After: Describe the service category

settings for the [service] service run parameter

Type=forking is the form of a background run
Execstart specific run commands for the service
Execreload Reset Command
Execstop for Stop command
Privatetmp=true represents a separate temporary space allocated to the service
Note: The start, restart, and stop commands for [Service] all require absolute paths

Settings for the [Install] service installation, which can be set to multi-user

2. Save the Directory

Save in Directory with 754 permissions:

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1. /lib/systemd/system

3. Set up boot from boot

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1. Systemctl Enable Nginx.service

4. Other commands

Task	Old instructions	New directives
Enable a service to 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 only active)
Show all services that have been started	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

Systemctl Start Nginx.service

Set up boot from

Systemctl Enable Nginx.service

Stop Boot from booting

Systemctl Disable Nginx.service

View the current status of the service

Systemctl Status Nginx.service

Restart Service

Systemctl Restart Nginx.service

View all services that have been started

Systemctl list-units--type=service

This article is from the "Dream to Reality" blog, please be sure to keep this source http://lookingdream.blog.51cto.com/5177800/1846507

CentOS 7.x Setup Custom boot, add custom system service