Ubuntu/quick-setup.sh

1. !/bin/bash

echo "--- Initial Setup Script ---"

1. 1. Read OS_VERSION from /etc/os-release

if [ -f "/etc/os-release" ]; then

   source /etc/os-release
   if [ -n "$UBUNTU_CODENAME" ]; then
       OS_VERSION="$UBUNTU_CODENAME"
       echo "Detected Ubuntu codename: $OS_VERSION"
   else
       echo "Error: UBUNTU_CODENAME not found in /etc/os-release. Cannot determine OS version."
       exit 1
   fi

else

   echo "Error: /etc/os-release not found. Cannot determine OS version."
   exit 1

fi

1. 2. Create /etc/apt/apt.conf.d/99proxy

echo "Creating /etc/apt/apt.conf.d/99proxy with proxy settings..." sudo bash -c 'cat <<EOF > /etc/apt/apt.conf.d/99proxy // Acquire::http::proxy "http://proxy.company.com:80/"; // Acquire::https::proxy "https://proxy.company.com:80/"; EOF' echo "Proxy configuration created. Lines are commented out by default."

1. 3. Backup existing sources.list and sources.list.d

echo "Backing up existing /etc/apt/sources.list and /etc/apt/sources.list.d/*..." if [ -f "/etc/apt/sources.list" ]; then

   sudo mv /etc/apt/sources.list /etc/apt/sources.list.bak
   echo "Backed up /etc/apt/sources.list to /etc/apt/sources.list.bak"

fi

if [ -d "/etc/apt/sources.list.d" ]; then

   for f in /etc/apt/sources.list.d/*; do
       if [ -f "$f" ]; then
           sudo mv "$f" "${f}.bak"
           echo "Backed up $f to ${f}.bak"
       fi
   done

fi echo "Existing APT source configurations backed up."

1. 4. Create /etc/apt/sources.list.d/tuna.sources

echo "Creating /etc/apt/sources.list.d/tuna.sources with Tsinghua TUNA mirror for $OS_VERSION..." sudo bash -c "cat <<EOF > /etc/apt/sources.list.d/tuna.sources Types: deb URIs: https://mirrors.tuna.tsinghua.edu.cn/ubuntu Suites: ${OS_VERSION} ${OS_VERSION}-updates ${OS_VERSION}-backports Components: main restricted universe multiverse Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

1. 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
2. Types: deb-src
3. URIs: https://mirrors.tuna.tsinghua.edu.cn/ubuntu
4. Suites: ${OS_VERSION} ${OS_VERSION}-updates ${OS_VERSION}-backports
5. Components: main restricted universe multiverse
6. Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

1. 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

Types: deb URIs: https://mirrors.tuna.tsinghua.edu.cn/ubuntu Suites: ${OS_VERSION}-security Components: main restricted universe multiverse Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

1. Types: deb-src
2. URIs: https://mirrors.tuna.tsinghua.edu.cn/ubuntu
3. Suites: ${OS_VERSION}-security
4. Components: main restricted universe multiverse
5. Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

1. 预发布软件源，不建议启用

1. Types: deb
2. URIs: https://mirrors.tuna.tsinghua.edu.cn/ubuntu
3. Suites: ${OS_VERSION}-proposed
4. Components: main restricted universe multiverse
5. Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

1. # Types: deb-src
2. # URIs: https://mirrors.tuna.tsinghua.edu.cn/ubuntu
3. # Suites: ${OS_VERSION}-proposed
4. # Components: main restricted universe multiverse
5. # Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

EOF" echo "Tsinghua TUNA mirror configuration added to /etc/apt/sources.list.d/tuna.sources"

echo "--- Setup complete. It is recommended to run 'sudo apt update' now. ---"