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--- distros:ubuntu_server [2024/02/07 08:58] – Sean Rhone
+++ distros:ubuntu_server [2024/08/13 16:58] (current) – removed Sean Rhone
@@ Line 1: / Line 1: @@
-====== Information ======
-  * Ubuntu ((https://ubuntu.com/))
-  * Server ((http://www.ubuntu.com/server))
-  * 23.10
-====== Installation Notes ======
-  * 23.10's installers don't work with only 512 MB of physical RAM ((2024: can't use Vultr's free tier VPS option; [[https://www.vultr.com/?ref=6906013|referral]])), but fine with 1 GB+
-====== Download ======
-===== Etcher Image Writer =====
-  * https://etcher.balena.io/#download-etcher
-===== Ubuntu =====
-  * http://www.ubuntu.com/download/server
-  * http://cdimage.ubuntu.com/releases/
-====== HOSTS ======
-  * https://github.com/StevenBlack/hosts/
-  * Unified hosts + fakenews + gambling
-===== Initial =====
-  * Only run once
-  ls '/etc/hosts~' || wget -O '/tmp/hosts-tmp' 'https://raw.githubusercontent.com/StevenBlack/hosts/master/alternates/fakenews-gambling/hosts' && sudo cp --backup '/tmp/hosts-tmp' '/etc/hosts' && sync
-===== Update =====
-****
-  ls '/etc/hosts~' && wget -O '/tmp/hosts-tmp' 'https://raw.githubusercontent.com/StevenBlack/hosts/master/alternates/fakenews-gambling/hosts' && sudo mv --force '/tmp/hosts-tmp' '/etc/hosts' && sync
-===== Restore Backup =====
-****
-  ls '/etc/hosts~' && sudo mv --force '/etc/hosts~' '/etc/hosts' && sync
-====== Repositories ======
-===== Disable cdrom Repo =====
-  * Add a ''#'' to the line mentioning ''cdrom''
-  * Solves ''E: The repository file:/cdrom mantic Release no longer has a Release file.''
-  sudo -e '/etc/apt/sources.list'
-<code>#deb [check-date=no] file:///cdrom mantic main restricted</code>
-===== Additional Ubuntu =====
-  * https://help.ubuntu.com/community/Repositories/Ubuntu
-  * Only ''universe'' is likely needed
-  * 2023/05/04: There doesn't seem to be a need to enable any of these by-default
-  sudo add-apt-repository 'universe'
-  sudo add-apt-repository 'multiverse'
-  sudo add-apt-repository 'restricted'
-===== Keybase =====
-  * https://keybase.io/
-  * https://prerelease.keybase.io/
-  * :!: This is only the signing key, see [[#keybase1|Keybase]] for client installation
-  wget -O '/tmp/code_signing_key.asc' 'https://keybase.io/docs/server_security/code_signing_key.asc' && sudo mv '/tmp/code_signing_key.asc' '/etc/apt/trusted.gpg.d/keybase.asc' && sync
-====== Software ======
-===== Update =====
-==== System ====
-****
-  sudo apt update && sudo apt full-upgrade -y && sudo apt autoremove -y && sudo apt clean && sync
-==== Firmware ====
-****
-  sudo fwupdmgr refresh --force && sudo fwupdmgr update --verbose && sync
-==== Snaps ====
-****
-  sudo snap refresh
-===== Keybase =====
-  * https://keybase.io
-  * TODO: Figure out backup script
-  rm -Rf '/tmp/keybase_amd64.deb' && wget -O '/tmp/keybase_amd64.deb' 'https://prerelease.keybase.io/keybase_amd64.deb' && sudo apt install '/tmp/keybase_amd64.deb' && rm '/tmp/keybase_amd64.deb' && sync && run_keybase
-====== Settings ======
-===== GRUB =====
-==== Config ====
-  * :!: [[notes:kernel_parameters|More Kernel Parameters]]
-  * Add options in ''GRUB_CMDLINE_LINUX_DEFAULT=''
-  sudo -e '/etc/default/grub' && sudo update-grub
-===== Drive Maintenance =====
-==== Trim ====
-****
-  sudo systemctl enable 'fstrim.timer' --now && sudo systemctl start 'fstrim' && sync && sudo systemctl status 'fstrim' -l
-==== XFS Scrub ====
-  * [[https://wiki.archlinux.org/title/XFS#Online_Metadata_Checking_(scrub)|XFS - ArchWiki]]
-  * :!: This is only necessary if XFS is being used on any persistent drives such as a NAS, and requires ''xfsprogs'' to be installed
-  sudo apt install 'xfsprogs'
-  sudo systemctl enable 'xfs_scrub_all.timer' --now && sudo systemctl start 'xfs_scrub_all' && sync && sudo systemctl status 'xfs_scrub_all' -l
-===== UTC =====
-  * [[https://wiki.archlinux.org/index.php/System_time#Time_standard|System time - ArchWiki]]
-  * Set RTC to UTC
-  * :!: Needed if Windows is installed first
-  * :!: Windows should also be set to UTC
-  sudo timedatectl set-local-rtc '0'
-==== Verify ====
-****
-  timedatectl | grep local
-===== OpenSSH =====
-  * See [[clients:secure_shell|Client]] notes to generate/restore public key
-  * See [[servers:secure_shell|Server]] notes to force public key auth and to further secure the OpenSSH server
-===== Sensors =====
-==== Install ====
-****
-  sudo apt install lm-sensors
-==== Detect ====
-****
-  sudo sensors-detect --auto
-==== Watch ====
-****
-  sudo watch --interval '0.5' sensors
-===== Uncomplicated Firewall =====
-  * Allows SSH
-  * :!: Does not limit SSH ((this caused issues; better to just secure SSH))
-  * See [[notes:ufw|ufw]] for more notes
-  sudo ufw reset && sudo ufw default deny && sudo ufw logging off && sudo ufw allow 'ssh' && sudo ufw enable && sudo systemctl enable 'ufw'
-====== Automatic Updates ======
-===== Config =====
-  * Should keep old config files in-case updated package changes their config (needs tested)
-  * :!: 2023/05/04: Not sure if this is needed still?
-  sudo -e '/etc/apt/apt.conf.d/99auto-update-custom'
-<code>
-Dpkg::Options {
-   "--force-confdef";
-   "--force-confold";
-}</code>
-===== Service =====
-  * :!: 2023/05/04: ''snap refresh'' needs tested
-  sudo -e '/etc/systemd/system/ubuntu-up.service'
-<code>
-[Service]
-Type=oneshot
-ExecStartPre='/usr/bin/apt' clean
-ExecStart='/usr/bin/apt' update
-ExecStart='/usr/bin/apt' full-upgrade -y
-ExecStart='/usr/bin/apt' autoremove -y
-ExecStart='/usr/bin/snap' refresh
-ExecStartPost='/usr/bin/sync'
-ExecStartPost='/usr/bin/systemctl' reboot</code>
-===== Timer =====
-  * 03:00 Oak
-  sudo -e '/etc/systemd/system/ubuntu-up.timer' && sudo systemctl daemon-reload && sudo systemctl enable 'ubuntu-up.timer' --now
-<code>
-[Unit]
-Description=Software Package Maintenance and Updater
-After=network-online.target
-Wants=network-online.target
-[Timer]
-OnCalendar=*-*-* 03:00:00
-Persistent=true
-[Install]
-WantedBy=timers.target</code>
-====== External Backup ======
-  * :!: 2023/05/04: This hasn't been used for years and likely needs re-factored
-===== fstab =====
-  * Expects a drive of some kind with a XFS partition at ''/dev/sdb1''
-  sudo mkdir -p '/mnt/USB' && sudo -e '/etc/fstab'
-<code>
-# USB
-/dev/sdb1 /mnt/USB xfs rw,relatime,attr2,inode64,noquota 0 2</code>
-  sudo mount '/dev/sdb1'
-===== Service =====
-  sudo -e '/etc/systemd/system/backup-external.service' && sudo sed -i 's/CHANGEME/'$USER'/g' '/etc/systemd/system/backup-external.service'
-<code>
-[Service]
-Type=oneshot
-ExecStartPre='/usr/bin/sync'
-ExecStart='/usr/bin/rsync' -r '/home/CHANGEME/backups' '/mnt/USB' --verbose --ignore-existing
-ExecStartPost='/usr/bin/sync'</code>
-===== Timer =====
-  sudo -e '/etc/systemd/system/backup-external.timer' && sudo systemctl daemon-reload && sudo systemctl enable 'backup-external.timer' --now
-<code>
-[Unit]
-Description=Backup Backups to External Device
-[Timer]
-OnCalendar=*-*-* 07:00:00
-Persistent=true
-[Install]
-WantedBy=timers.target</code>
-====== Notable Folders and Commands ======
-  * See [[notes:misc_linux]]