CentOS7系统优化

1、更改yum源

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

2、添加补全服务功能

yum install -y bash-completion

3、关闭防火墙

systemctl stop firewalld.service

4、关闭selinux

sed -i ‘s#SELINUX=disable#SELINUX=disabled#g‘ /etc/sysconfig/selinux

5、安装常用软件

yum install lrzsz tree nmap dos2unix -y

6、时间同步服务

修改时区

timedatectl set-timezone Asia/Shanghai

ntpdate  time1.aliyun.com

###time lock service by root###

*/5 * * * *  /usr/sbin/ntpdate ntp1.aliyun.com &>/dev/null

7、安装常用软件包

yum groupinstall "Compatibility libraries" "Base" "Development tools" -y   

8、安装常用依赖

yum install -y perl perl-Net-Telnet perl-Net-DNS perl-LDAP perl-libwww-perl perl-IO-Socket-SSL perl-Socket6 perl-Time-HiRes perl-ExtUtils-MakeMaker rrdtool rrdtool-perl curl  httpd httpd-devel gcc make  wget libxml2-devel libpng-devel glib pango pango-devel freetype freetype-devel fontconfig cairo cairo-devel libart_lgpl libart_lgpl-devel perl-CGI-SpeedyCGI perl-Sys-Syslog popt-devel libidn-devel fping openssl openssl-devel pcre pcre-devel

9、手动更新预先安装的软件

yum -y update  && reboot

本文出自 “wtlinux” 博客，请务必保留此出处http://wtlinux.blog.51cto.com/11253430/1864593

CentOS7系统优化