centos7基础用法

基础软件安装

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sudo yum install lsof -y
sudo yum install net-tools -y
sudo yum install openssl-server -y

ssh允许密码登录

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# /etc/ssh/sshd_config
PasswordAuthentication Yes

网络配置

修改网络配置，改dhcp为static

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[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp0s3 
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
#BOOTPROTO=dhcp
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=enp0s3
UUID=2fe53786-7f72-4dd6-a3db-e8a48bf73562
DEVICE=enp0s3
#ONBOOT=no
ONBOOT=yes

IPADDR=192.168.2.210
GATEWAY=192.168.2.1
DNS1=192.168.2.1
DNS2=233.5.5.5

重启网络服务

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systemctl restart NetworkManager