Debian 初始設定

Basic

1. as root via ssh and install sudo.
   1. #Client side
      $ ssh root@hostname or hostip
   2. After loging remote server
      $ apt install sudo -y
   3. Set locale config
      $ sudo apt install locales -y
      then
      $ sudo dpkg-reconfigure locales
      or
      $ sudo vim /etc/locale.gen
      then
      $ sudo /usr/sbin/locale-gen
      then logout and loging back.
2. Create new user {user} and config security setting.
   1. Create new user
      $ adduser {user}
      $ sudo usermod -aG sudo {user}
   2. Config ssh setting
      Do {SSH Related} Section
3. Logout from root and loging as new user {user}.
   1. Logout from root
      $ logout
   2. Loging as new user {user}
      #Client side
      $ ssh {user}@hostname or hostip
4. Install zsh & git & oh-my-zsh and setting theme to Agnoster.

   $ sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
   $ nano .zshrc
   change=> ZSH_THEME="robbyrussell" to ZSH_THEME="agnoster" ,and reload zsh.
   $ source .zshrc
   

SSH Related

1. Update remote server's sshconfig.
   $ sudo nano /etc/ssh/sshd_config
   change=> PermitRootLogin yes
   change=> PasswordAuthentication no
   change=> PubkeyAuthentication yes
2. Add Client ssh key to remote server.
   $ ssh-copy-id -i ~/.ssh/id_ed25519.pub
   {lsheep}@hostname or hostip
3. Reloging to remote server from client to test it.
   $ sudo /etc/init.d/ssh restart
   or
   $ sudo service sshd restart

Docker Related

1. Install Docker

   $ sudo apt-get update
   
   $ sudo apt-get install apt-transport-https ca-certificates curl gnupg lsb-release -y
   
   $ curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
   
   $ echo \
   "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian \
   $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
   
   $ sudo apt-get update
   $ sudo apt-get install docker-ce docker-ce-cli containerd.io -y
   

2. Config docker to non root user

   $ sudo groupadd docker
   $ sudo usermod -aG docker $USER
   $ newgrp docker
   $ docker run hello-world
   

3. Config portainer
   $ sudo systemctl edit docker.service