sudo snap install snap-store - Snapstore sudo -s next passwd change a root passwordpasswd <user> - change a user password sudo apt install stacer - GUI ccleaner for Linux sudo apt install gufw - install firewall sudo apt install clamtk - Antyvirus opensource sudo chkrootkit - Rootkit checker

sudo apt-get update & sudo apt-get install gnupg Install gnupg

gpg --gen-key - Create a pair of key

gpg --list-key - Check a key

gpg -a --export our@email // or username, or id - create our public key.This key we can sent to other person

gpg -a --decrypt - Decrypt message

gpg --import - if you want sent message to other you use this command and then you import his public key or id.

gpg -a --encrypt -r jego@adres.mailowy - encrypting message to a friend.

gpg --import --allow-secret-key-import ~/file.asc - encrypting message to a friend + flag --ignote-time-conflict (if problem with import because clock problem)

sudo apt-get update && sudo apt-get install mat2 mat2 photo.jpg - How to use

sudo snap install telegram-desktop - Telegram sudo apt update && sudo apt install telegram - Telegram second option Discord - Click sudo apt update & sudo apt install pidgin - Pidgin sudo snap install --channel=candidate wickrme - Wickrme a - AAA a - AAA

sudo apt update & sudo snap install onionshare - OnionShare

a - AAA a - AAA

sudo apt-get update && sudo snap install mymonero - MyMoneroWallet Link → - Atomic Wallet a - AAA

a - KeePass VeraCrypt - KeePass

sh <(curl -sSf https://downloads.nordcdn.com/apps/linux/install.sh) - NordVPN

T0r-Br0wser sudo add-apt-repository ppa:micahflee/ppa - add repository sudo apt update & sudo apt install torbrowser-launcher - Install sudo apt remove torbrowser-launcher - Uninstall

apt purge kupa - Uninstall app with kupa name apt –purge remove - Remove package apt -f install - fix broken package dpkg -i paczka.deb - instal .deb apps /etc/apt/sources.list - Repo list sudo kill [PID] - Kill process

cp xyz /home/myfiles - copy plik cp xyz to /home/myfiles mkdir - create a directory rm delete file rm -r delete directory with contenttop - show process whatis <command> - show command function a