yum install  vim iotop bc gcc gcc-c++ glibc glibc-devel pcre \

pcre-devel openssl  openssl-devel zip unzip zlib-devel  net-tools \

lrzsz tree ntpdate telnet lsof tcpdump wget libevent libevent-devel \

bc  systemd-devel bash-completion traceroute -y

apt-get   -y install iproute2  ntpdate  tcpdump telnet traceroute nfs-kernel-server nfs-common  lrzsz tree \
openssl libssl-dev libpcre3 libpcre3-dev zlib1g-dev ntpdate tcpdump telnet traceroute gcc openssh-server \
iotop unzip zip 

cd /etc/yum.repos.d/

mkdir repo.bak

mv *.repo repo.bak/

wget -O CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

wget -O CentOS-Base.repo http://mirrors.163.com/.help/CentOS7-Base-163.repo

yum install -y epel-release

yum clean all

yum repolist 

alias ='PS1="\[\e[1;30m\][\u@\h \W]\\$ \[\e[0m\]"'

alias ='PS1="\[\e[1;31m\][\u@\h \W]\\$ \[\e[0m\]"'

alias ='PS1="\[\e[1;32m\][\u@\h \W]\\$ \[\e[0m\]"'

alias ='PS1="\[\e[1;33m\][\u@\h \W]\\$ \[\e[0m\]"'

alias ='PS1="\[\e[1;34m\][\u@\h \W]\\$ \[\e[0m\]"'

alias ='PS1="\[\e[1;35m\][\u@\h \W]\\$ \[\e[0m\]"'

alias ='PS1="\[\e[1;36m\][\u@\h \W]\\$ \[\e[0m\]"'

alias cl='clear'

alias df='df -h'

alias ll='ls -lh'

alias lld='ls -lhd'

alias jjar="java -jar $@"

alias ipa="ip a"

alias cdnet="cd /etc/sysconfig/network-scripts/"

alias lsnet="ls /etc/sysconfig/network-scripts/"

alias yin="yum install -y"

alias yre="yum remove -y"

alias ls='ls --color=auto'

alias cl="clear"

alias lld="ll -d"

alias df="df -h"

alias du="du -h"

alias dus="du -sh"

alias dft="df -hT"

alias pp="ping -c 2 8.8.8.8"

# 退出保存
最后需要source ~/.bashrc 即可