Shulou(Shulou.com)06/02 Report--

Configure domestic and epel sources

Cd / etc/yum.repos.d/

Mkdir repo_bak

Mv * .repo repo_bak/

# basic source files

Wget-P / etc/yum.repos.d/ http://mirrors.aliyun.com/repo/Centos-7.repo

# epel source file

Wget-O / etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo

# regenerate the yum cache

Yum clean all

Yum makecache

# upgrade the system

Yum update-y

Install the basic dependency package

Yum install-y htop lrzsz nmap screen man expect\

Gcc gcc-c++ autoconf automake bzip2-devel\

Openssl-devel multitail kernel-devel\

Pam-devel zlib-devel perl-devel tcp_wrappers-devel

Close selinux

Sed-I's / ^ Selinux =. * / SELINUX=disabled/g' / etc/selinux/config

Setenforce 0

# View selinux settings

Getenforce

Turn off the default mail service

# (default port 25)

Systemctl disable postfix

Systemctl stop postfix

# View the port on which the system listens by default

Netstat-nlput | grep-v "Proto" | grep "LISTEN"

Set system environment variables

# add execution permission

Chmod axix / etc/rc.d/rc.local

# set environment variables

Cat > > / etc/profile / etc/vimrc

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