CentOS Stream 9 配置静态 IP 口令是多少

✅ CentOS Stream9 静态 IP（推荐 nmcli 命令）

CentOS Stream9 不再使用旧版 /etc/sysconfig/network-scripts 和 systemctl restart network，使用 NetworkManager + nmcli

1、先查看网卡连接名（必须先执行）

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nmcli connection show
# 或者
ip a

示例网卡名：ens33 / ens192

2、一条命令直接配置静态 IP（核心口令）

把下面 ens33、IP、网关、DNS 换成你自己的：

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nmcli connection modify ens33 ipv4.method manual ipv4.addresses 192.168.1.100/24 ipv4.gateway 192.168.1.1 ipv4.dns "8.8.8.8,114.114.114.114"

参数说明：

ipv4.method manual：改为手动静态 IP（关闭 DHCP）
192.168.1.100/24：静态 IP / 子网掩码
ipv4.gateway：网关
ipv4.dns：DNS，多个用逗号隔开

3、重载并激活网卡（生效）

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nmcli connection reload
nmcli connection up ens33

4、验证

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ip a
ping 网关IP

📝 方式二：修改 nmconnection 配置文件

文件路径：/etc/NetworkManager/system-connections/ens33.nmconnection

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[ipv4]
method=manual
address1=192.168.1.100/24,192.168.1.1
dns=8.8.8.8;114.114.114.114;

修改完同样执行 nmcli c reload && nmcli c up ens33腾讯云
⚠️ 注意：CentOS Stream9 的网卡配置文件权限很严格，权限必须是 600，否则 NetworkManager 不加载

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chmod 600 /etc/NetworkManager/system-connections/ens33.nmconnection

你告诉我你的网卡名称、要设置的 IP / 网关，我可以直接生成一条复制即用的完整 nmcli 命令。