Cenos7 开机精简项设置

 

[root@riyimei ~]# systemctl list-unit-files|grep enabled
[email protected]                                  enabled 
crond.service                                    enabled 
[email protected]                                   enabled 
irqbalance.service                               enabled 
kdump.service                                    enabled 
microcode.service                                enabled 
rsyslog.service                                  enabled 
sshd.service                                     enabled 
sysstat.service                                  enabled 
systemd-readahead-collect.service                enabled 
systemd-readahead-drop.service                   enabled 
systemd-readahead-replay.service                 enabled 
tuned.service                                    enabled 
lvm2-lvmetad.socket                              enabled 
lvm2-lvmpolld.socket                             enabled 
[root@riyimei ~]# 

　　

for serv in ` systemctl list-unit-files | grep enabled|awk '{print $1}'`;do systemctl disable $serv ;done

 

 

for serv in [email protected] crond.service [email protected] irqbalance.service kdump.service microcode.service rsyslog.service sshd.service sysstat.service systemd-readahead-collect.service systemd-readahead-drop.service systemd-readahead-replay.service tuned.service lvm2-lvmetad.socket lvm2-lvmpolld.socket default.target multi-user.target runlevel2.target runlevel3.target runlevel4.target ;do systemctl enable $serv;done

 

 

[email protected] 

是管理终端线路及其所连终端的程序的通用名称。其目的是保护系统，防止未经授权的访问

[email protected]

当用户切换到一个先前未曾使用的虚拟终端时， 将根据该虚拟终端的名称自动从 [email protected] 模版实例化一个

irqbalance

在Linux上一般作为service，在多核处理器系统上分配硬件中断，以提升性能

 

microcode.service

处理器稳定性增强

 

systemd-readahead-collect.service 
systemd-readahead-drop.service 
systemd-readahead-replay.service

内核调用、预读取 

tuned.service
系统调优工具

 

转载于:https://www.cnblogs.com/liweiming/p/11613196.html