1.设置静态ip
vim /etc/sysconfig/network-scripts/ifcfg-ens33
将BOOTPROTO=dhcp修改为BOOTPROTO=static
ONBOOT=no修改为ONBOOT=yes
新增
IPADDR=192.168.80.129
PREFIX=24 #NETMASK=255.255.255.0
GATEWAY=192.168.80.2
DNS1=114.114.114.114
DNS2=8.8.8.8
之后重启网络服务
systemctl restart network
2.关闭NetworkManager
systemctl status NetworkManager
systemctl stop NetworkManager
systemctl disable NetworkManager
3.关闭selinux
vim /etc/selinux/config
将SELINUX=enforcing注释掉，并添加SELINUX=disabled，之后重启电脑即可
4.修改主机名
hostnamectl set-hostname centos2
5.修改yum源为阿里云
cd /etc/yum.repos.d
wget http://mirrors.aliyun.com/repo/Centos-7.repo
mv CentOS-Base.repo CentOS-Base.repo.bak
mv Centos-7.repo CentOS-Base.repo
yum clean all
yum makecache
yum update
6.设置环境变量
cd /etc/profile.d/
vim custom.sh
export PS1="\[\e[35;1m\][\u@\h \w]\\$\[\e[m\] "
alias sudo='sudo '
alias egrep='egrep --color=auto'
alias fgrep='fgrep --color=auto'
alias grep='grep --color=auto'
alias ls='ls --color=auto'
alias l.='ls -d .* --color=auto'
alias ll='ls -l --color=auto'
alias l='ls -laF'
alias cp='cp -i'
alias mv='mv -i'
alias rm='rm -i'
alias now='date +%Y%m%d%H%M%S'
source custom.sh
7.ssh
生成公钥私钥
ssh-keygen -t rsa
新建文件并添加主机公钥
touch authorized_keys
#vim authorized_keys