前言
Centos8已经废弃了network.service
,请使用nmcli
内容
[root@localhost ~]# nmcli --help Usage: nmcli [OPTIONS] OBJECT { COMMAND | help } OPTIONS -a, --ask ask for missing parameters -c, --colors auto|yes|no whether to use colors in output -e, --escape yes|no escape columns separators in values -f, --fields <field,...>|all|common specify fields to output -g, --get-values <field,...>|all|common shortcut for -m tabular -t -f -h, --help print this help -m, --mode tabular|multiline output mode -o, --overview overview mode -p, --pretty pretty output -s, --show-secrets allow displaying passwords -t, --terse terse output -v, --version show program version -w, --wait <seconds> set timeout waiting for finishing operations OBJECT g[eneral] NetworkManager's general status and operations n[etworking] overall networking control r[adio] NetworkManager radio switches c[onnection] NetworkManager's connections d[evice] devices managed by NetworkManager a[gent] NetworkManager secret agent or polkit agent m[onitor] monitor NetworkManager changes
命令详解
- 使用nmcli重新回载网络配置
nmcli c up ens33 nmcli d reapply ens33 nmcli d connect ens33
- 打开网卡
# nmcli c up <网卡>
- 查看网卡信息
# nmcli con NAME UUID TYPE DEVICE ens33 36a7b552-ab17-4b2d-afd9-de96c6c935eb ethernet ens33
- 显示具体的网络接口信息
# nmcli connection show ens33
- 显示所有活动连接
# nmcli connection show --active
- 删除一个网卡连接
# nmcli connection delete ens33
- 给xxx添加一个IP(IPADDR)
# nmcli connection modify ens33 ipv4.addresses 192.168.0.51
- 给xxx添加一个子网掩码(NETMASK)
# nmcli connection modify ens33 ipv4.addresses 192.168.0.51/24
- IP获取方式设置成手动(BOOTPROTO=static/none)
# nmcli connection modify ens33 ipv4.method manual
- 添加一个ipv4
# nmcli connection modify ens33 +ipv4.addresses 192.168.0.51/24
- 删除一个ipv4
# nmcli connection modify ens33 -ipv4.addresses 192.168.0.51/24
- 添加DNS
# nmcli connection modify ens33 ipv4.dns 114.114.114.114
- 删除DNS
# nmcli connection modify ens33 -ipv4.dns 114.114.114.114
- 添加一个网关(GATEWAY)
# nmcli connection modify ens33 ipv4.gateway 192.168.0.1
- 网关和DNS一起写入
# nmcli connection modify ens33 ipv4.dns 114.114.114.114 ipv4.gateway 192.168.0.1
学无止境,谦卑而行.