#关闭selinux和firewalld，配置网络
getenforce setenforce 0 vi /etc/selinux/config SELINUX=disabled systemctl status firewalld systemctl stop firewalld systemctl disable firewalld
#查看ip地址
ip add
#启动和关闭网卡
ifup/ifdown
#配置网卡
vi /etc/sysconfig/network-scripts/ifcfg-eno16777728 BOOTPROTO=static IPADDR=192.168.1.99 NETMASK=255.255.255.0 GATEWAY=192.168.1.1 DNS1=192.168.1.100 NM_CONTROLLED=no
#单独添加DNS服务器地址
echo ‘DNS1=192.168.1.100‘>>/etc/sysconfig/network-script/ifcfg-eno16777728
#DNS服务器添加记录
vi /var/named/example.zone vi /var/named/192.168.1.zone
#配置hostname
vi /etc/sysconfig/network NETWORKING=yes HOSTNAME=lin26.example.local
#重启network服务
systemctl restart network
#使用本地repo
mkdir /etc/yum.repos.d/backup mv /etc/yum.repos.d/*.* /etc/yum.repos.d/backup vi /etc/yum.repos.d/lin01.repo [base] name=lin01 baseurl=http://lin01.example.local/cdrom enable=1 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 yum clean all yum update
#使用阿里云repo
vi /etc/yum.repos.d/aliyun.repo [base] name=aliyun baseurl=http://mirrors.aliyun.com/centos/7/os/x86_64/ enable=1 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 yum clean all yum update
#配置时区和时间同步
tzselect yum install -y ntpdate #和服务器的时间差不能超过1天 ntpdate -d lin01.example.local vi /etc/crontab 00 */1 * * * root /usr/sbin/ntpdate lin01.example.local;/sbin/hwclock -w
#手动设置时间
date -s 11/16/2015 date -s 18:28:00 hwclock -w
#安装net-tools，查看启动的服务和端口
yum install -y net-tools netstat -ntupl
#关机，重启，取消操作
shutdown -P shutdown -r shutdown -c reboot
#关机前把数据从buffer写到磁盘确保完整性
sync
时间： 2024-10-20 22:08:33