Mainly focus on technology, reading, excerpts, miscellaneous, article review, tool sharing, workflow, inspiration, English learning, attention management, deep work and other directions Zola 2022-03-26T00:00:00+00:00 https://old.owenyoung.com/en/tags/debian/atom.xml 2021-03-26T00:00:00+00:00 2022-03-26T00:00:00+00:00 Owen Young https://old.owenyoung.com/en/blog/debian-server-setup/

<blockquote> <p>For linux common commands, see <a href="https://old.owenyoung.com/dev-tips/#linux-common-commands">开发技巧收藏</a></p> </blockquote>

<blockquote> <p>For linux common commands, see <a href="https://old.owenyoung.com/dev-tips/#linux-common-commands">开发技巧收藏</a></p> </blockquote> <span id="continue-reading"></span> <ol> <li> <p>Update Source</p> <pre data-lang="bash" style="background-color:#2b303b;color:#c0c5ce;" class="language-bash "><code class="language-bash" data-lang="bash"><span style="color:#bf616a;">apt</span><span> update</span><span style="color:#bf616a;"> --yes </span><span>&amp;&amp; </span><span style="color:#bf616a;">apt</span><span> upgrade</span><span style="color:#bf616a;"> --yes </span></code></pre> </li> <li> <p>Install sudo package</p> <pre data-lang="bash" style="background-color:#2b303b;color:#c0c5ce;" class="language-bash "><code class="language-bash" data-lang="bash"><span style="color:#bf616a;">apt</span><span> install</span><span style="color:#bf616a;"> -y</span><span> sudo </span></code></pre> </li> <li> <p>Open BBR: <a href="https://old.owenyoung.com/en/blog/open-bbr-for-debian/">Open BBR for Debian</a></p> </li> <li> <p>Use ssh key login instead of password, for more details see <a rel="noopener nofollow noreferrer" target="_blank" href="https://www.digitalocean.com/community/tutorials/how-to-configure-ssh-key-based-authentication-on-a-linux-server">How To Configure SSH Key-Based Authentication on a Linux Server</a></p> </li> <li> <p>In your local machine:</p> </li> </ol> <pre data-lang="bash" style="background-color:#2b303b;color:#c0c5ce;" class="language-bash "><code class="language-bash" data-lang="bash"><span style="color:#bf616a;">ssh-copy-id -i ~</span><span>/.ssh/id_rsa.pub username@remote_host </span></code></pre> <blockquote> <p>This will copy your id_rsa.pub to remote machine <code>~/.ssh/authorized_keys</code></p> </blockquote> <ol start="3"> <li> <p>Change the default password</p> <ol> <li><code>passwd</code></li> </ol> </li> <li> <p>Create an admin group</p> <ol> <li><code>groupadd admin</code></li> <li>Give admin group root access, and no password sudo <ol> <li>Backup sudo files <code>cp /etc/sudoers /root/sudoers.bak</code></li> <li>Edit the <code>/etc/sudoers</code> file by typing the command: <code>visudo</code></li> <li>Add <code>%admin ALL=(ALL:ALL) NOPASSWD:ALL</code> after <code>sudo</code> group</li> </ol> </li> </ol> </li> <li> <p>Create a admin group user</p> <ol> <li><code>useradd username -g admin</code></li> </ol> </li> <li> <p>Use ssh key login instead of password for normal user</p> <ol> <li><code>ssh-copy-id -i ~/.ssh/id_rsa.pub username@remote_host</code></li> </ol> </li> <li> <p>Login with new normal user <code>ssh username@ip</code></p> </li> <li> <p>Install common utils:</p> <ol> <li><code>sudo apt install build-essential software-properties-common curl vim unzip git pkg-config libssl-dev --yes</code></li> </ol> </li> <li> <p>Create <code>/data</code> for store data files with <code>777</code> permissions, avoid to use <code>/home</code> directory</p> </li> </ol> <p>You might want to read also:</p> <ul> <li><a href="https://old.owenyoung.com/en/blog/shadowsocks-rust-setup-for-debian/">Shadowsocks Rust Setup for Debian</a></li> <li><a href="https://old.owenyoung.com/en/blog/caddy2-setup-for-debian/">Caddy2 Setup for Debian</a></li> </ul>