sudo apt-get update

sudo apt-get autoremove

sudo apt-get purge

sudo apt-get clean

sudo apt-get autoclean

sudo apt-get autoremove --purge

• 增加国内镜像源 /etc/apt/sources.list

  debian | 镜像站使用帮助 | 清华大学开源软件镜像站 | Tsinghua Open Source Mirror

  # 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://mirrors6.tuna.tsinghua.edu.cn/debian/> bookworm main contrib non-free non-free-firmware
  # deb-src <https://mirrors6.tuna.tsinghua.edu.cn/debian/> bookworm main contrib non-free non-free-firmware
  
  deb <https://mirrors6.tuna.tsinghua.edu.cn/debian/> bookworm-updates main contrib non-free non-free-firmware
  # deb-src <https://mirrors6.tuna.tsinghua.edu.cn/debian/> bookworm-updates main contrib non-free non-free-firmware
  
  deb <https://mirrors6.tuna.tsinghua.edu.cn/debian/> bookworm-backports main contrib non-free non-free-firmware
  # deb-src <https://mirrors6.tuna.tsinghua.edu.cn/debian/> bookworm-backports main contrib non-free non-free-firmware
  
  deb <https://security.debian.org/debian-security> bookworm-security main contrib non-free non-free-firmware
  # deb-src <https://security.debian.org/debian-security> bookworm-security main contrib non-free non-free-firmware
  

How to remove a service?

1. 服务内设置停止：

   sudo gitlab-ctl stop
   

2. 停止并删除服务

   sudo systemctl disable gitlab-runsvdir
   sudo rm -f /run/systemd/system/gitlab-runsvdir.service
   sudo rm -f /lib/systemd/system/gitlab-runsvdir.service
   sudo systemctl daemon-reload
   systemctl list-units --type=service | grep gitlab
   sudo reboot
   

   sudo apt-get remove --purge gitlab-ee