ubuntu_server_setup
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ubuntu_server_setup [2020/07/23 11:35] mstraub [Ubuntu <= 14.04] |
ubuntu_server_setup [2021/08/26 16:28] mstraub [Ubuntu Server Setup] |
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| ====== Ubuntu Server Setup ====== | ====== Ubuntu Server Setup ====== | ||
| - | This document should outline a few steps that are useful after a fresh install of an Ubuntu Server. | + | This document should outline a few steps that are useful after a fresh install of an Ubuntu Server - last updated for 20.04. |
| - | ===== Basic Packages ===== | + | ===== Install Useful Tools ===== |
| - | If you are dealing with a minimal installation (meta-package ubuntu-minimal) you may want to beef it up a bit. Check what packages are typically bundled e.g. when installing Ubuntu Server or just select your server style: | ||
| - | <code> | ||
| - | tasksel # ncurses GUI | ||
| - | tasksel --list-tasks | ||
| - | tasksel --task-packages server | ||
| - | </code> | ||
| - | |||
| - | Some additional packages for easier CLI handling: | ||
| - | <code> | ||
| - | sudo apt install bash-completion ubuntu-release-upgrader-core software-properties-common | ||
| - | </code> | ||
| - | |||
| - | And some more useful tools: | ||
| <code bash> | <code bash> | ||
| - | sudo apt install htop ncdu ranger tldr tree vim | + | sudo apt install mlocate htop ncdu ranger tldr tree vim |
| </code> | </code> | ||
| Line 66: | Line 53: | ||
| ===== Enable Automatic Security Updates ===== | ===== Enable Automatic Security Updates ===== | ||
| - | Quickly enable unattended upgrades: | + | Install unattended-upgrades: |
| + | |||
| + | <code bash> | ||
| + | sudo apt install unattended-upgrades | ||
| + | </code> | ||
| + | |||
| + | Or reconfigure it if it's already installed: | ||
| <code bash> | <code bash> | ||
| sudo dpkg-reconfigure -plow unattended-upgrades | sudo dpkg-reconfigure -plow unattended-upgrades | ||
| Line 72: | Line 65: | ||
| This creates the file ''/etc/apt/apt.conf.d/20auto-upgrades''. | This creates the file ''/etc/apt/apt.conf.d/20auto-upgrades''. | ||
| - | Then set ''Unattended-Upgrade::Remove-Unused-Dependencies'' to ''true'' in ''/etc/apt/apt.conf.d/50unattended-upgrades''. | + | To avoid filling up small hard drives over time (e.g. with multiple kernel versions) it may be useful to activate the equivalent of ''sudo apt autoremove'': |
| + | |||
| + | Set ''Unattended-Upgrade::Remove-Unused-Dependencies'' to ''true'' in ''/etc/apt/apt.conf.d/50unattended-upgrades''. | ||
| See also: | See also: | ||
| * ''/etc/apt/apt.conf.d/20auto-upgrades'' (and ''man apt.conf'') | * ''/etc/apt/apt.conf.d/20auto-upgrades'' (and ''man apt.conf'') | ||
| * [[https://help.ubuntu.com/community/AutomaticSecurityUpdates]]\\ | * [[https://help.ubuntu.com/community/AutomaticSecurityUpdates]]\\ | ||
| - | * [[https://help.ubuntu.com/16.04/serverguide/automatic-updates.html]] | + | * [[https://ubuntu.com/server/docs/package-management]] |
| Line 101: | Line 96: | ||
| # http://patorjk.com/software/taag/#p=display&h=1&f=Calvin%20S&t=my-server-name | # http://patorjk.com/software/taag/#p=display&h=1&f=Calvin%20S&t=my-server-name | ||
| + | # http://patorjk.com/software/taag/#p=display&h=1&v=0&f=ANSI%20Regular&t=my-server-name | ||
| echo "┌┬┐┬ ┬ ┌─┐┌─┐┬─┐┬ ┬┌─┐┬─┐ ┌┐┌┌─┐┌┬┐┌─┐" | echo "┌┬┐┬ ┬ ┌─┐┌─┐┬─┐┬ ┬┌─┐┬─┐ ┌┐┌┌─┐┌┬┐┌─┐" | ||
| echo "│││└┬┘───└─┐├┤ ├┬┘└┐┌┘├┤ ├┬┘───│││├─┤│││├┤ " | echo "│││└┬┘───└─┐├┤ ├┬┘└┐┌┘├┤ ├┬┘───│││├─┤│││├┤ " | ||
| Line 108: | Line 104: | ||
| # figlet my-server-name | # figlet my-server-name | ||
| </file> | </file> | ||
| + | |||
| + | Don't forget to make the file executable. | ||
| + | |||
| + | When using ''byobu'' delete ''~/.hushlogin'' to still see the greeting (and all other info you usually get when logging in). | ||
| ===== More Resources ===== | ===== More Resources ===== | ||
| - | [[http://plusbryan.com/my-first-5-minutes-on-a-server-or-essential-security-for-linux-servers]]\\ | + | [[https://www.ubuntupit.com/best-linux-hardening-security-tips-a-comprehensive-checklist/]] |
| - | [[https://www.thefanclub.co.za/how-to/how-secure-ubuntu-1204-lts-server-part-1-basics]] | + | |
ubuntu_server_setup.txt · Last modified: 2021/10/18 16:19 by mstraub
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