########################################
#          Linux  Configuration        #
#                                      #
#            Author: tomoncle          #   
#                                      #
################ Centos ################

>>> yum源配置

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo
yum update

>>> 内核升级

rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
yum -y install https://www.elrepo.org/elrepo-release-7.el7.elrepo.noarch.rpm
sed -i 's#elrepo.org/linux#mirrors.aliyun.com/elrepo#g' /etc/yum.repos.d/elrepo.repo
sed -i 's/mirrorlist=/#mirrorlist=/g' /etc/yum.repos.d/elrepo.repo
yum --disablerepo="*" --enablerepo="elrepo-kernel" list available
yum -y --enablerepo=elrepo-kernel install kernel-lt
grub2-set-default 0
echo -e "\033[5;36m内核已经安装成功，重启后生效\033[0m"

## 升级 kernel-header, kernel-tools kernel-tools-libs 等，请在内核升级成功后再执行
yum erase kernel-headers kernel-tools kernel-tools-libs
yum -y --enablerepo=elrepo-kernel install kernel-lt*


>>> VM clone 网卡配置

rm -f /etc/machine-id && systemd-machine-id-setup
sed -i "/UUID/c UUID=\"$(uuidgen)\"" /etc/sysconfig/network-scripts/ifcfg-ens33
systemctl restart network

################ Ubuntu #################

>>> apt源配置

## ubuntu 22.04

mv /etc/apt/sources.list /etc/apt/sources.list.bak

# 官方源
echo '# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
deb http://archive.ubuntu.com/ubuntu/ jammy main restricted
deb http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted
deb http://archive.ubuntu.com/ubuntu/ jammy universe
deb http://archive.ubuntu.com/ubuntu/ jammy-updates universe
deb http://archive.ubuntu.com/ubuntu/ jammy multiverse
deb http://archive.ubuntu.com/ubuntu/ jammy-updates multiverse
deb http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse
deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted
deb http://security.ubuntu.com/ubuntu/ jammy-security universe
deb http://security.ubuntu.com/ubuntu/ jammy-security multiverse
' > /etc/apt/sources.list

# 阿里源
sed -i 's/archive.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.list

# 镜像源
echo '# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
deb http://ports.ubuntu.com/ubuntu-ports/ jammy main restricted
deb http://ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted
deb http://ports.ubuntu.com/ubuntu-ports/ jammy universe
deb http://ports.ubuntu.com/ubuntu-ports/ jammy-updates universe
deb http://ports.ubuntu.com/ubuntu-ports/ jammy multiverse
deb http://ports.ubuntu.com/ubuntu-ports/ jammy-updates multiverse
deb http://ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted universe multiverse
deb http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted
deb http://ports.ubuntu.com/ubuntu-ports/ jammy-security universe
deb http://ports.ubuntu.com/ubuntu-ports/ jammy-security multiverse
' > /etc/apt/sources.list

## ubuntu 20.04