Revert "feat: 重新编写 init.sh 脚本，增加系统清理功能"
This reverts commit 68af8e0ff1.
This commit is contained in:
256
bash/init.sh
256
bash/init.sh
@@ -1,198 +1,90 @@
|
|||||||
#!/bin/bash
|
#!/bin/bash
|
||||||
|
set -euo pipefail
|
||||||
|
|
||||||
# Linux 系统清理脚本
|
echo "=== 通用 Linux 初始化脚本 ==="
|
||||||
|
|
||||||
# ===============================
|
# 获取系统信息
|
||||||
# 功能：
|
DISTRO_ID=$(grep ^ID= /etc/os-release | cut -d= -f2 | tr -d '"')
|
||||||
# 1. 显示系统信息
|
DISTRO_NAME=$(grep ^PRETTY_NAME= /etc/os-release | cut -d= -f2 | tr -d '"')
|
||||||
# 2. 清理旧的内核包和残留的配置文件
|
CODENAME=$(lsb_release -cs 2>/dev/null || echo "")
|
||||||
# 3. 清理 /tmp 目录下的临时文件
|
|
||||||
# 4. 清理 APT 缓存目录 /var/cache/apt/archives
|
|
||||||
# 5. 清理用户缓存目录 ~/.cache
|
|
||||||
# 6. 清理 systemd 日志 /var/log/journal
|
|
||||||
# ===============================
|
|
||||||
|
|
||||||
# 检查是否以 root 身份运行
|
echo "检测到系统: $DISTRO_NAME"
|
||||||
if [ "$EUID" -ne 0 ]; then
|
|
||||||
echo "请使用 sudo 或以 root 身份运行此脚本。"
|
|
||||||
exit 1
|
|
||||||
fi
|
|
||||||
|
|
||||||
echo "=============================="
|
# 设置 DNS
|
||||||
echo " Linux 系统清理脚本 "
|
set_dns() {
|
||||||
echo "=============================="
|
echo "配置 DNS 到 114.114.114.114 和 223.5.5.5..."
|
||||||
|
echo -e "nameserver 114.114.114.114\nnameserver 223.5.5.5" > /etc/resolv.conf || true
|
||||||
|
}
|
||||||
|
|
||||||
# 1. 显示系统信息
|
# 设置时区和同步时间
|
||||||
echo ""
|
set_timezone() {
|
||||||
echo "系统信息："
|
echo "设置时区为 Asia/Shanghai..."
|
||||||
|
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime || true
|
||||||
# 获取当前 Linux 发行版
|
if command -v timedatectl >/dev/null 2>&1; then
|
||||||
if [ -f /etc/os-release ]; then
|
timedatectl set-timezone Asia/Shanghai || true
|
||||||
. /etc/os-release
|
timedatectl set-ntp true || true
|
||||||
distro=$NAME
|
|
||||||
else
|
|
||||||
distro=$(uname -s)
|
|
||||||
fi
|
|
||||||
echo "操作系统：$distro"
|
|
||||||
|
|
||||||
# 获取登录的用户名
|
|
||||||
username=$(logname)
|
|
||||||
echo "登录用户名：$username"
|
|
||||||
|
|
||||||
# 获取 CPU 数量
|
|
||||||
cpu_count=$(nproc)
|
|
||||||
echo "CPU 数量：$cpu_count"
|
|
||||||
|
|
||||||
# 获取内存大小和使用率
|
|
||||||
total_mem=$(free -h | awk '/Mem:/ {print $2}')
|
|
||||||
used_mem=$(free -h | awk '/Mem:/ {print $3}')
|
|
||||||
mem_usage=$(free | awk '/Mem:/ {printf("%.2f"), $3/$2 * 100}')
|
|
||||||
echo "内存大小：$total_mem"
|
|
||||||
echo "已用内存：$used_mem ($mem_usage%)"
|
|
||||||
|
|
||||||
# 获取硬盘大小和使用率
|
|
||||||
disk_total=$(df -h / | awk 'NR==2 {print $2}')
|
|
||||||
disk_used=$(df -h / | awk 'NR==2 {print $3}')
|
|
||||||
disk_usage=$(df -h / | awk 'NR==2 {print $5}')
|
|
||||||
echo "硬盘总容量：$disk_total"
|
|
||||||
echo "已用硬盘：$disk_used ($disk_usage)"
|
|
||||||
|
|
||||||
echo "=============================="
|
|
||||||
|
|
||||||
# 2. 清理旧的内核包和残留的配置文件
|
|
||||||
echo ""
|
|
||||||
echo "步骤 1：清理旧的内核包和残留的配置文件"
|
|
||||||
|
|
||||||
# 获取当前正在运行的内核版本
|
|
||||||
current_kernel=$(uname -r)
|
|
||||||
echo "当前正在运行的内核版本：$current_kernel"
|
|
||||||
|
|
||||||
# 获取已安装的内核包列表
|
|
||||||
installed_kernels=$(dpkg --list | grep 'linux-image-[0-9]' | awk '/^ii/{print $2}')
|
|
||||||
echo "已安装的内核包："
|
|
||||||
echo "$installed_kernels"
|
|
||||||
|
|
||||||
# 初始化要移除的内核包列表
|
|
||||||
remove_kernels=()
|
|
||||||
|
|
||||||
# 筛选需要移除的旧内核包
|
|
||||||
for kernel in $installed_kernels; do
|
|
||||||
if [[ "$kernel" != *"$current_kernel"* ]]; then
|
|
||||||
remove_kernels+=("$kernel")
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
|
|
||||||
# 显示将要移除的内核包
|
|
||||||
if [ ${#remove_kernels[@]} -eq 0 ]; then
|
|
||||||
echo "没有需要移除的旧内核。"
|
|
||||||
else
|
|
||||||
echo "将要移除的旧内核包："
|
|
||||||
for kernel in "${remove_kernels[@]}"; do
|
|
||||||
echo "$kernel"
|
|
||||||
done
|
|
||||||
|
|
||||||
# 提示用户确认
|
|
||||||
read -p "是否确认移除以上内核包？[y/N]: " confirm
|
|
||||||
if [[ "$confirm" =~ ^[Yy]$ ]]; then
|
|
||||||
echo "正在移除旧内核包..."
|
|
||||||
apt remove --purge -y "${remove_kernels[@]}"
|
|
||||||
|
|
||||||
echo "自动清理不需要的依赖项..."
|
|
||||||
apt autoremove --purge -y
|
|
||||||
|
|
||||||
echo "更新 GRUB 引导菜单..."
|
|
||||||
update-grub
|
|
||||||
|
|
||||||
echo "旧内核包已成功移除。"
|
|
||||||
else
|
else
|
||||||
echo "已跳过旧内核包的清理。"
|
echo "timedatectl 不可用，尝试使用 ntpdate..."
|
||||||
|
(apt install -y ntpdate || yum install -y ntpdate || dnf install -y ntpdate) >/dev/null 2>&1 || true
|
||||||
|
ntpdate ntp.aliyun.com || true
|
||||||
fi
|
fi
|
||||||
fi
|
}
|
||||||
|
|
||||||
# 清理残留的配置文件
|
# 设置软件源
|
||||||
echo "正在清理残留的配置文件..."
|
set_mirrors() {
|
||||||
dpkg -l | awk '/^rc/{print $2}' | xargs dpkg --purge
|
echo "更换软件源为清华镜像..."
|
||||||
echo "残留的配置文件已清理。"
|
|
||||||
|
|
||||||
# 3. 清理 /tmp 目录下的临时文件
|
case "$DISTRO_ID" in
|
||||||
echo ""
|
ubuntu)
|
||||||
echo "步骤 2：清理 /tmp 目录下的临时文件"
|
cat > /etc/apt/sources.list <<EOF
|
||||||
|
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ ${CODENAME} main restricted universe multiverse
|
||||||
|
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ ${CODENAME}-updates main restricted universe multiverse
|
||||||
|
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ ${CODENAME}-backports main restricted universe multiverse
|
||||||
|
deb http://security.ubuntu.com/ubuntu ${CODENAME}-security main restricted universe multiverse
|
||||||
|
EOF
|
||||||
|
apt update -y || true
|
||||||
|
;;
|
||||||
|
|
||||||
# 提示用户确认
|
debian|raspbian)
|
||||||
read -p "是否清理 /tmp 目录下的所有文件？[y/N]: " confirm_tmp
|
cat > /etc/apt/sources.list <<EOF
|
||||||
if [[ "$confirm_tmp" =~ ^[Yy]$ ]]; then
|
deb https://mirrors.tuna.tsinghua.edu.cn/${DISTRO_ID}/ ${CODENAME} main contrib non-free non-free-firmware
|
||||||
echo "正在清理 /tmp 目录..."
|
deb https://mirrors.tuna.tsinghua.edu.cn/${DISTRO_ID}/ ${CODENAME}-updates main contrib non-free non-free-firmware
|
||||||
rm -rf /tmp/*
|
deb https://mirrors.tuna.tsinghua.edu.cn/${DISTRO_ID}/ ${CODENAME}-backports main contrib non-free non-free-firmware
|
||||||
echo "/tmp 目录已清理。"
|
deb https://mirrors.tuna.tsinghua.edu.cn/${DISTRO_ID}-security ${CODENAME}-security main contrib non-free non-free-firmware
|
||||||
else
|
EOF
|
||||||
echo "已跳过 /tmp 目录的清理。"
|
apt update -y || true
|
||||||
fi
|
;;
|
||||||
|
|
||||||
# 4. 清理 APT 缓存目录 /var/cache/apt/archives
|
centos|rhel|almalinux|rocky)
|
||||||
echo ""
|
echo "配置 RHEL 系列清华镜像..."
|
||||||
echo "步骤 3：清理 APT 缓存目录 /var/cache/apt/archives"
|
if [ -f /etc/yum.repos.d/CentOS-Base.repo ]; then
|
||||||
|
sed -i.bak -e 's|^mirrorlist=|#mirrorlist=|g' \
|
||||||
|
-e 's|^#baseurl=http://mirror.centos.org|baseurl=https://mirrors.tuna.tsinghua.edu.cn|g' \
|
||||||
|
/etc/yum.repos.d/CentOS-Base.repo
|
||||||
|
fi
|
||||||
|
yum makecache || true
|
||||||
|
;;
|
||||||
|
|
||||||
# 显示当前缓存占用空间
|
fedora)
|
||||||
apt_cache_size=$(du -sh /var/cache/apt/archives | awk '{print $1}')
|
echo "配置 Fedora 清华镜像..."
|
||||||
echo "APT 缓存当前占用空间：$apt_cache_size"
|
sed -i.bak -e 's|^metalink=|#metalink=|g' \
|
||||||
|
-e 's|^#baseurl=https://download.example/pub|baseurl=https://mirrors.tuna.tsinghua.edu.cn/fedora|g' \
|
||||||
|
/etc/yum.repos.d/fedora*.repo
|
||||||
|
dnf makecache || true
|
||||||
|
;;
|
||||||
|
|
||||||
# 提示用户确认
|
*)
|
||||||
read -p "是否清理 APT 缓存？这将删除已下载的包文件。[y/N]: " confirm_apt
|
echo "不支持的系统类型：$DISTRO_ID，跳过换源"
|
||||||
if [[ "$confirm_apt" =~ ^[Yy]$ ]]; then
|
;;
|
||||||
echo "正在清理 APT 缓存..."
|
esac
|
||||||
apt clean
|
}
|
||||||
echo "APT 缓存已清理。"
|
|
||||||
else
|
|
||||||
echo "已跳过 APT 缓存的清理。"
|
|
||||||
fi
|
|
||||||
|
|
||||||
# 5. 清理用户缓存目录 ~/.cache
|
# 主执行函数
|
||||||
echo ""
|
main() {
|
||||||
echo "步骤 4：清理用户缓存目录 ~/.cache"
|
set_mirrors
|
||||||
|
set_dns
|
||||||
|
set_timezone
|
||||||
|
echo "✅ 初始化完成。"
|
||||||
|
}
|
||||||
|
|
||||||
# 获取用户的主目录
|
main
|
||||||
user_home=$(eval echo "~$SUDO_USER")
|
|
||||||
|
|
||||||
# 显示当前缓存占用空间
|
|
||||||
user_cache_size=$(du -sh "$user_home/.cache" 2>/dev/null | awk '{print $1}')
|
|
||||||
echo "用户缓存目录当前占用空间：$user_cache_size"
|
|
||||||
|
|
||||||
# 提示用户确认
|
|
||||||
read -p "是否清理用户缓存目录 ~/.cache？[y/N]: " confirm_user_cache
|
|
||||||
if [[ "$confirm_user_cache" =~ ^[Yy]$ ]]; then
|
|
||||||
echo "正在清理用户缓存目录..."
|
|
||||||
rm -rf "$user_home/.cache/*"
|
|
||||||
echo "用户缓存目录已清理。"
|
|
||||||
else
|
|
||||||
echo "已跳过用户缓存目录的清理。"
|
|
||||||
fi
|
|
||||||
|
|
||||||
# 6. 清理 systemd 日志 /var/log/journal
|
|
||||||
echo ""
|
|
||||||
echo "步骤 5：清理 systemd 日志 /var/log/journal"
|
|
||||||
|
|
||||||
# 显示当前日志占用空间
|
|
||||||
journal_size=$(du -sh /var/log/journal 2>/dev/null | awk '{print $1}')
|
|
||||||
echo "systemd 日志当前占用空间：$journal_size"
|
|
||||||
|
|
||||||
if [ -d "/var/log/journal" ]; then
|
|
||||||
# 提示用户确认
|
|
||||||
read -p "是否清理 systemd 日志？[y/N]: " confirm_journal
|
|
||||||
if [[ "$confirm_journal" =~ ^[Yy]$ ]]; then
|
|
||||||
echo "请输入要保留的日志大小（例如：100M，1G）："
|
|
||||||
read -p "保留大小： " journal_limit
|
|
||||||
|
|
||||||
echo "正在清理 systemd 日志，保留大小为 $journal_limit..."
|
|
||||||
journalctl --vacuum-size="$journal_limit"
|
|
||||||
|
|
||||||
echo "systemd 日志已清理。"
|
|
||||||
else
|
|
||||||
echo "已跳过 systemd 日志的清理。"
|
|
||||||
fi
|
|
||||||
else
|
|
||||||
echo "未找到 /var/log/journal 目录，可能未启用持久化日志。"
|
|
||||||
fi
|
|
||||||
|
|
||||||
echo ""
|
|
||||||
echo "系统清理完成！"
|
|
||||||
echo "=============================="
|
|
||||||
|
|||||||
Reference in New Issue
Block a user