Bash shortcuts!

Find all files that smells like xxx and copy to thumb

find /search/root -type f -name '*partial*' -exec cp --parents -t /media/user/thumb {} + 

Getting a specific app version
apt update
#LIst all available versions
apt-cache policy <package_name>
#install the specific version
sudo apt install <package_name>=<package_version>

Cryptsetup!
cryptsetup luksFormat /dev/sss
cryptsetup luksOpen /dev/sss lala
sudo mkfs.ext4 /dev/mapper/lala
sudo mkdir /mnt/encrypted
sudo mount /dev/mapper/lala /mnt/encrypted

sudo umount /mnt/encrypted
sudo cryptsetup luksClose encrypted_drive 

* https://codelucky.com/cryptsetup-command-linux/ 

Reverse SSH
ssh -N -L 18789:127.0.0.1:18789 user@somewhere