Other (Miscellaneous Stuff) - Updated May 2, 2022


Handy Commands

Updates...

sudo apt update # Fetches the list of available updates
sudo apt upgrade # Installs some updates; does not remove packages
sudo apt full-upgrade # Installs updates; may also remove some packages, if needed
sudo apt autoremove # Removes any old packages that are no longer needed

or
 sudo apt update && sudo apt upgrade -y

How do I upgrade to a newer version of Ubuntu?
sudo do-release-upgrade -d
pop-upgrade release upgrade

Neofetch is a command-line system information tool written in bash 3.2+. Neofetch displays information about your operating system, software and hardware in an aesthetic and visually pleasing way.

sudo apt install neofetch

PDF Mix Tool is a simple, lightweight open-source PDF editing application that lets you extract pages from PDF, merge two PDFs, delete pages from PDF files among a few other things.
https://scarpetta.eu/pdfmixtool/

sudo snap install pdfmixtool

Shutdown, Reboot and Run Levels

sudo reboot
sudo shutdown -r
init 6
    0 - Power off the machine
    1 - Enter rescue mode
    2,3,4,5 - Start runlevelX.target unit

View Detailed Laptop Battery Report

upower -i `upower -e | grep 'BAT'`

upower -i $(upower -e | grep BAT) | grep --color=never -E "state|to\ full|to\ empty|percentage"

cat /proc/driver/rtc | grep batt

How do I identify which Linux distro is running, and other information

cat /etc/issue
hostnamectl
lsb_release -a

Disable UTC and use Local Time in Ubuntu

timedatectl set-local-rtc 1 --adjust-system-clock

Server Message Block is a network communication protocol for providing shared access to files, printers, and serial ports between nodes on a network.

smb://server

List, install and remove Snaps

SNAP TIPS from Popey
https://popey.com/blog/2020/12/snap-tips/

sudo snapd
snap list
sudo snap install bluemail
sudo snap remove bluemail

Linux Mint does not make snapd available out of the box. Mint will not allow snapd to be installed. To get around this limitation run the following command.

sudo rm /etc/apt/preferences.d/nosnap.pref

How to get rid of the system crash popup in Ubuntu Linux

ls -l /var/crash/
sudo rm /var/crash/*

How to Clear Apt Cache and Reclaim Precious Disk Space

sudo du -sh /var/cache/apt/archives
sudo apt clean

How long does your Linux system take to boot?

 systemd-analyze
sudo systemd-analyze blame
sudo systemd-analyze blame | head
systemd-analyze critical-chain

Linux History Command

history
history -c
history -w

How to Mount and Use an exFAT Drive on Linux

sudo apt update
sudo apt install exfat-fuse exfat-utils

Install Microsoft Core Fonts in Ubuntu

sudo apt install ttf-mscorefonts-installer

How do I find the running GUI environment from the terminal?

echo $XDG_CURRENT_DESKTOP

Resetting Grub Bootloader using a Live USB drive

Boot Ubuntu Live USB
CTRL+ALT+T
sudo fdisk -l
sudo blkid
sudo mount /dev/sda1 /mnt
sudo grub-install --boot-directory=/mnt/boot /dev/sda