Linux Console Merkzettel

Leider ist der Eintrag nur auf Amerikanisches Englisch verfügbar. Der Inhalt wird unten in einer verfügbaren Sprache angezeigt. Klicken Sie auf den Link, um die aktuelle Sprache zu ändern.

How to mount USB stick [source]

1. Find the drive identifier after plugging the USB stick in (something like /dev/sdc1) sudo fdisk -l
2. Create folder to mount the drive and mount it there sudo mkdir /media/usb-stick
sudo mount /dev/sdc1 /media/usb-stick

How to find files in packages

• .. How to find files in installed packages, e.g. if you are looking for a source file called xyz.h: dpkg --search xyz.h
• .. How to find files in available packages that might be not installed:sudo apt-get install apt-file
apt-file update
apt-file search xyz.h

Backup and restore GPG keys [source]

1. List public GPG keys: gpg --list-keysThe key_id is the part after something like „pub 1024D/“.
2. Export public GPG key: gpg -ao xyz-public.key --export key_id
3. List secret GPG keys: gpg --list-secret-keysThe key_id is the part after something like „sec 1024D/“.
4. Export secret GPG key: gpg -ao xyz-private.key --export-secret-keys key_id
5. Restore GPG keys: gpg --import xyz-public.key
gpg --import xyz-private.key

Backup and restore installed packages

1. Save installed packages as list in file:dpkg --get-selections > selections.txt
2. Install package list from file:
   dpkg --set-selections < selections.txt
sudo apt-get update
sudo apt-get dselect-upgrade
sudo apt-get dist-upgrade
sudo apt-get upgrade

Network usage

• Bandwidth usage by program How much bandwith is used by running programs:
  sudo nethogs wlan0
• Traffic in local network
  sudo iftop -i wlan0
• Port usage by program
  sudo netstat -taupen