Linux System Management Service control

Setup after system installation is complete

1) Shut down the firewall/etc/init.d/iptables stop

Set boot not load Chkconfig iptables off

View the status of the firewall iptables-l

2) Turn off SELinux:

View the status of SELinux Getenforce

Set temporary allow Setenforce 0

Permanently set sed-i '/^selinux/s/enforceing/disabled/g '/etc/selinux/config

Requires reboot to take effect

System Service Control

Format

Service Name control type

/etc/init.d/Service Name control type

control type

Start (start): Run the established system service program to implement the service function

Stop (STOP): Terminates the specified system service program and shuts down related functions

Restart (restart): Perform the above two services first stop at start

Reload (Heavy): Do not exit the service program, only refresh the configuration, same as restart

Status (View status): View the relevant allowed status or information for the specified service

Switching the Run level

View System RunLevel: RunLevel (the first letter N table does not switch the RunLevel)

Toggle RunLevel: Init 0-6

0: Shutdown state, the host will be turned off when this level is used.

1: Single user mode, no password authentication is required to log into the system, more for system maintenance.

2: Multi-user mode for character interface (network access is not supported).

3: The full multi-user mode of the character interface, most server hosts run at this level.

4: Not assigned to use.

5: Graphical interface of multi-user mode, provides a graphical desktop operating environment.

6: Reboot, the host will be started when using this level

Optimized boot auto-load service

NTSYSV tools (Interactive interface)

Chkconfig Tools

(--level management of the operating level of the specified service

--help # #查看单个服务开机启动设置命令的帮助

--list # #查看服务的开机启动情况

--del # #删除服务)

Linux System Management Service control