备份

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mv /etc/apt/sources.list /etc/apt/sources.list.old

还原默认官方源

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cat > /etc/apt/sources.list << EOF
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释

deb http://archive.ubuntu.com/ubuntu/ jammy main restricted universe multiverse
# deb-src http://archive.ubuntu.com/ubuntu/ jammy main restricted universe multiverse

deb http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted universe multiverse
# deb-src http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted universe multiverse

deb http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse
# deb-src http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse

deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
# deb-src http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb http://archive.ubuntu.com/ubuntu/ jammy-proposed main restricted universe multiverse
# deb-src http://archive.ubuntu.com/ubuntu/ jammy-proposed main restricted universe multiverse
EOF

更换为清华源

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cat > /etc/apt/sources.list << EOF
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse

# 以下安全更新软件源包含了官方源与镜像站配置，如有需要可自行修改注释切换
deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
# deb-src http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse

# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
# # deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
EOF

更换为中科大源

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cat > /etc/apt/sources.list << EOF
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释

deb https://mirrors.ustc.edu.cn/ubuntu/ jammy main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse

deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse

# 以下安全更新软件源包含了官方源与镜像站配置，如有需要可自行修改注释切换
deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
# deb-src http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse

# deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
# # deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb https://mirrors.ustc.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
# deb-src https://mirrors.ustc.edu.cn/ubuntu/ jammy-proposed main restricted universe multiverse
EOF

更换为腾讯云源

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cat > /etc/apt/sources.list << EOF
deb https://mirrors.cloud.tencent.com/debian/ bookworm main contrib non-free non-free-firmware
deb-src https://mirrors.cloud.tencent.com/debian/ bookworm main contrib non-free non-free-firmware

deb https://mirrors.cloud.tencent.com/debian/ bookworm-updates main contrib non-free non-free-firmware
deb-src https://mirrors.cloud.tencent.com/debian/ bookworm-updates main contrib non-free non-free-firmware

deb https://mirrors.cloud.tencent.com/debian/ bookworm-backports main contrib non-free non-free-firmware
deb-src https://mirrors.cloud.tencent.com/debian/ bookworm-backports main contrib non-free non-free-firmware

deb https://mirrors.cloud.tencent.com/debian-security/ bookworm-security main contrib non-free non-free-firmware
deb-src https://mirrors.cloud.tencent.com/debian-security/ bookworm-security main contrib non-free non-free-firmware
EOF
cat > /etc/apt/sources.list << EOF
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释

deb http://mirrors.cloud.tencent.com/ubuntu/ jammy main restricted universe multiverse
# deb-src http://mirrors.cloud.tencent.com/ubuntu/ jammy main restricted universe multiverse

deb http://mirrors.cloud.tencent.com/ubuntu/ jammy-updates main restricted universe multiverse
# deb-src http://mirrors.cloud.tencent.com/ubuntu/ jammy-updates main restricted universe multiverse

deb http://mirrors.cloud.tencent.com/ubuntu/ jammy-backports main restricted universe multiverse
# deb-src http://mirrors.cloud.tencent.com/ubuntu/ jammy-backports main restricted universe multiverse

# 以下安全更新软件源包含了官方源与镜像站配置，如有需要可自行修改注释切换
deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
# deb-src http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse

# deb http://mirrors.cloud.tencent.com/ubuntu/ jammy-security main restricted universe multiverse
# # deb-src http://mirrors.cloud.tencent.com/ubuntu/ jammy-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb http://mirrors.cloud.tencent.com/ubuntu/ jammy-proposed main restricted universe multiverse
# deb-src http://mirrors.cloud.tencent.com/ubuntu/ jammy-proposed main restricted universe multiverse
EOF

使用腾讯云服务器时，可以选择腾讯云内网源，走内网不消耗公网流量

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cat > /etc/apt/sources.list << EOF
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释

deb http://mirrors.tencentyun.com/ubuntu/ jammy main restricted universe multiverse
# deb-src http://mirrors.tencentyun.com/ubuntu/ jammy main restricted universe multiverse

deb http://mirrors.tencentyun.com/ubuntu/ jammy-updates main restricted universe multiverse
# deb-src http://mirrors.tencentyun.com/ubuntu/ jammy-updates main restricted universe multiverse

deb http://mirrors.tencentyun.com/ubuntu/ jammy-backports main restricted universe multiverse
# deb-src http://mirrors.tencentyun.com/ubuntu/ jammy-backports main restricted universe multiverse

# 以下安全更新软件源包含了官方源与镜像站配置，如有需要可自行修改注释切换
deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
# deb-src http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse

# deb http://mirrors.tencentyun.com/ubuntu/ jammy-security main restricted universe multiverse
# # deb-src http://mirrors.tencentyun.com/ubuntu/ jammy-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb http://mirrors.tencentyun.com/ubuntu/ jammy-proposed main restricted universe multiverse
# deb-src http://mirrors.tencentyun.com/ubuntu/ jammy-proposed main restricted universe multiverse
EOF

更换为阿里云源

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cat > /etc/apt/sources.list << EOF
# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释

deb https://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse
# deb-src https://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse
# deb-src https://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse
# deb-src https://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse

# 以下安全更新软件源包含了官方源与镜像站配置，如有需要可自行修改注释切换
deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
# deb-src http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse

# deb https://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse
# # deb-src https://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb https://mirrors.aliyun.com/ubuntu/ jammy-proposed main restricted universe multiverse
# deb-src https://mirrors.aliyun.com/ubuntu/ jammy-proposed main restricted universe multiverse
EOF

更新

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apt-get update
apt-get upgrade