Install VirtualBox Guest Additions (for VM only): apt install build-essential linux-headers-$(uname -r) then run VBoxLinuxAdditions.run from the disk. There is also a copy of the ISO in the Debian non-free repository. You might need to do sudo su - to get a “true root” shell, otherwise it might install the drivers under the wrong low-privilege user.

Setting up disk partitions (partition, encrypt, THEN LVM?? yep!) – execute shell and do vgremove my-volume-group and vgremove –removemissing my-volume-group if it gets into a bad state.

Installing firmware (apt-get download firmware-iwlwifi or download from https://packages.debian.org/buster/all/firmware-iwlwifi/download for X220 drivers.) then simply install with sudo dpkg -i firmware-iwlwifi - Or download the releases with non-free firmware included (easiest) - The firmware collection download is just all the .deb packages inside a folder named firmware/, if you have that on a usb stick when you install it can use them. or install manually afterwards - on desktop ROG motherboard: sudo dpkg -i firmware-realtek

Mount USB drives with mount and list them with dmesg

Make laptop lid close do nothing - edit /etc/systemd/login.conf and set HandleLidSwitchExternalPower=ignore or HandleLidSwitch=ignore

Check battery level on CLI only (cat /sys/class/power_supply/BAT0/capacity{,_level}') or upower -i /org/freedesktop/UPower/devices/battery_BAT0, or use sudo apt install acpitool and run acpitool.

Setup custom grub boot script (curl mygist > /etc/grub.d/99_danostheme; sudo update-grub

Change console fonts with sudo dpkg-reconfigure console-setup

Set caps to escape with setxkbmap https://www.devdungeon.com/content/rebind-caps-lock-key-escapecontrol

edit apt sources with sudo apt edit-sources and add right repos whether DVD or remote

set visudo to use vim with sudo update-alternatives –config editor

set sudo nopassword with sudo visudo and set %sudo ALL=NOPASSWD:ALL on the line

add user to sudo group gpasswd -a sudo myuser

change which desktop starts up when running startx: echo “exec gnome-session” > ~/.xinitr or exec openbox-session (sudo apt install openbox)

setup disks to auto-mount with `/etc/fstab` entries

Change default shell to zsh (which zsh; chsh) - Customizing Zsh: https://www.youtube.com/watch?v=0yPj-BfGRug

Add any custom debian repos - finding closest/fastest mirror, other repos like Sublime Text

Mount an SMB share with CIFS: sudo apt install cifs-utils; sudo mount -t cifs -o uid=dano,gid=sudo,user=dano,password=“my password” \\\\10.0.0.99\\home /mnt and just chmod/chown it as necessary. - My imount script to help mount stuff easier

Add mount to the fstab for permanent mounting /etc/fstab (or make my script imount to get my password and mount when I login

Install openbox and put exec openbox-session in ~/.xinitrc to use openbox.

How to set hostname and use Synology DNS? https://wiki.debian.org/NetworkConfiguration#Defining_the_.28DNS.29_Nameservers - Add `nameserver 1.2.3.4` to `/etc/resolve.conf`

Customize GRUB (colors, background, timeout). See GRUB page for video, theme file, and instructions.

Setup fail2ban with sudo apt install fail2ban

Play DVDs by installing vlc and libdvdcss2.

Rip DVDs using handbrake with libdvdcss2 or use vlc and choose File → Convert/Stream

Convert .m4v video to .ogg video with ffmpeg -i x.m4v x.ogg

Extract audio only from a video with ffmpeg -i x.m4v -vn x.ogg

Play PC speaker beep: `echo -ne '\007'` or `sudo apt install beep; beep`

See what ports/sockets are listening with `netstat` and commonly `netstat -ntlp` (`sudo apt install net-tools)`

Use `nslookup` to find IP of a hostname (`sudo apt install dnsutils`)

Repeat a program and view output with `watch -n3 something`

Use `vlc` or `easytag` to edit metadata on a song/video file.

Install Qt5 libraries, QtCreator IDE and UI Designer with `apt install qt5-default qtcreator`. Run with `qtcreator`. Run designer with `/usr/lib/qt5/bin/designer`

List Java versions and change with update-alternatives e.g. sudo update-alternatives –list java and sudo update-alternatives –config java