一键清理命令清除缓存和垃圾文件

sudo bash -c '
# 1. 清理APT缓存
apt clean
apt autoclean

# 2. 清理旧内核和不再需要的依赖
apt autoremove --purge -y

# 3. 清理缩略图缓存
rm -rf /root/.cache/thumbnails/*
rm -rf /home/*/.cache/thumbnails/* 2>/dev/null

# 4. 清理临时文件
find /tmp -type f -atime +1 -delete
find /var/tmp -type f -atime +1 -delete

# 5. 清理日志文件(保留最近7天)
find /var/log -type f -name "*.log" -mtime +7 -delete
journalctl --vacuum-time=7d

# 6. 清理软件包缓存
rm -rf /var/cache/apt/archives/*.deb
rm -rf /var/lib/apt/lists/*

# 7. 清理内存缓存(安全释放)
sync; echo 3 > /proc/sys/vm/drop_caches

# 8. 清理用户缓存
rm -rf /root/.cache/*
rm -rf /home/*/.cache/* 2>/dev/null
'