网络配置 🔗

#进入网络配置文件目录

cd /etc/NetworkManager/system-connections

vi /etc/NetworkManager/system-connections/ens33.nmconnection

将[ipv4]的method=auto改为method=manual，即改为配置静态ip
[ipv4]
method=manual
address1=192.168.122.10
#address2=192.168.122.10
gateway=192.168.122.1
route1=192.168.100.1
dns=114.114.114.114;8.8.8.8
#重启网络
systemctl restart NetworkManager

设置主机名 🔗

sudo hostnamectl set-hostname k8s-master

selinux关闭 🔗

sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
setenforce 0

关闭firewalld 🔗

systemctl disable firewalld
systemctl stop firewalld

替换源 🔗

# 1. 配置
# 注意：“# baseurl” 中间有个空格（AlmaLinux 专有）
sed -e 's|^mirrorlist=|#mirrorlist=|g' \
    -e 's|^# baseurl=https://repo.almalinux.org|baseurl=https://mirrors.aliyun.com|g' \
    -i.bak \
    /etc/yum.repos.d/almalinux*.repo
# 恢复 (sysin)
sed -e 's|^#mirrorlist=|mirrorlist=|g' \
    -e 's|^baseurl=https://mirrors.aliyun.com|# baseurl=https://repo.almalinux.org|g' \
    -i.bak \
    /etc/yum.repos.d/almalinux*.repo

# 2. 清理缓存并重建
sudo dnf clean all
sudo dnf makecache