yum fifo alias entos don sco 生效 default
最小化安装没有安装 vim,暂时使用 vi
进入到 network-scripts 目录
- [[email protected]/* */ ~]# cd /etc/sysconfig/network-scripts/
- [[email protected]/* */ network-scripts]#
修改网卡配置文件名称
- [[email protected]/* */ network-scripts]# ls
- ifcfg-eno16777736 ifdown-ippp ifdown-sit ifup-bnep ifup-plip ifup-Team network-functions-ipv6
- ifcfg-lo ifdown-ipv6 ifdown-Team ifup-eth ifup-plusb ifup-TeamPort
- ifdown ifdown-isdn ifdown-TeamPort ifup-ib ifup-post ifup-tunnel
- ifdown-bnep ifdown-post ifdown-tunnel ifup-ippp ifup-ppp ifup-wireless
- ifdown-eth ifdown-ppp ifup ifup-ipv6 ifup-routes init.ipv6-global
- ifdown-ib ifdown-routes ifup-aliases ifup-isdn ifup-sit network-functions
- [[email protected]~]#mv ifcfg - eno16777736 ifcfg - eth0
在 /etc/sysconfig/grub 中的 GRUB_CMDLINE_LINUX="rd.lvm.lv=centos/root 后加入 net.ifnames=0 biosdevname=0
- [[email protected]/* */ ~]# vim /etc/sysconfig/grub
- GRUB_TIMEOUT=5
- GRUB_DEFAULT=saved
- GRUB_DISABLE_SUBMENU=true
- GRUB_TERMINAL_OUTPUT="console"
- GRUB_CMDLINE_LINUX="rd.lvm.lv=centos/root net.ifnames=0 biosdevname=0 rd.lvm.lv=centos/swap crashkernel=auto rhgb quiet"
- GRUB_DISABLE_RECOVERY="true"
执行 grub2-mkconfig -o /boot/grub2/grub.cfg 生效
- [[email protected]/* */ ~]# grub2-mkconfig -o /boot/grub2/grub.cfg
- Generating grub configuration file ...
- Found linux image: /boot/vmlinuz-3.10.0-229.el7.x86_64
- Found initrd image: /boot/initramfs-3.10.0-229.el7.x86_64.img
- Found linux image: /boot/vmlinuz-0-rescue-1eb921a2f2804943984cf324014cbeab
- Found initrd image: /boot/initramfs-0-rescue-1eb921a2f2804943984cf324014cbeab.img
- done
修改网卡配置文件
- [[email protected]/* */ ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0
- TYPE=Ethernet
- BOOTPROTO=static
- DEFROUTE=yes
- PEERDNS=yes
- PEERROUTES=yes
- IPV4_FAILURE_FATAL=no
- IPV6INIT=yes
- IPV6_AUTOCONF=yes
- IPV6_DEFROUTE=yes
- IPV6_PEERDNS=yes
- IPV6_PEERROUTES=yes
- IPV6_FAILURE_FATAL=no
- NAME=eth0
- DEVICE=eth0
- ONBOOT=yes
- IPADDR=10.0.0.21
- NETMASK=255.255.255.0
- GATEWAY=10.0.0.2
- DNS1=192.168.1.1
重启网卡
- [[email protected]~]#systemctl restart network
查看 IP
- [[email protected]/* */ ~]# ip a
- 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
- link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
- inet 127.0.0.1/8 scope host lo
- valid_lft forever preferred_lft forever
- inet6 ::1/128 scope host
- valid_lft forever preferred_lft forever
- 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
- link/ether 00:0c:29:29:39:b8 brd ff:ff:ff:ff:ff:ff
- inet 10.0.0.20/24 brd 10.0.0.255 scope global eth0
- valid_lft forever preferred_lft forever
- inet6 fe80::20c:29ff:fe29:39b8/64 scope link
- valid_lft forever preferred_lft forever
查看网络是否连接
- [[email protected]/* */ ~]# ping www.baidu.com
- PING www.baidu.com (220.181.112.244) 56(84) bytes of data.
- 64 bytes from 220.181.112.244: icmp_seq=1 ttl=128 time=1.50 ms
- 64 bytes from 220.181.112.244: icmp_seq=2 ttl=128 time=1.67 ms
- 64 bytes from 220.181.112.244: icmp_seq=3 ttl=128 time=1.75 ms
更改主机名
- [[email protected]~]#hostname node1
- [[email protected]/* */ ~]# vim /etc/hostname
- node1
关闭防火墙
- [[email protected]~]#systemctl stop firewalld
开启防火墙
- [[email protected]~]#systemctl enable firewalld
关闭 SElinux
- [[email protected]/* */ ~]# vim /etc/selinux/config
- SELINUX=disabled
- [[email protected]/* */ ~]# getenforce
- Disabled
更改登录提示信息
- [[email protected]~]#vim / etc / motd
- 加入需要提示的信息
删除登录时提示版本信息
- [[email protected]~]#vim / etc / issue
安装插件
- [[email protected]~]#yum - y install vim tree lrzsz
清除 uuid
- [[email protected]~]# > /etc/udev / rules.d / 70 - persistent - ipoib.rules
Centos 7
来源: http://www.bubuko.com/infodetail-2270000.html