Show random art image from public key

ssh-keygen -lvf ~/.ssh/<id_whatever_name>

stackoverflow

How to make several directories in a folder

mkdir week{1,2,3,4}

Day of infamy - use of bots

To add a Mod, go to Mod/View in Steam Browser/Offensive.

Use ~ to open the console and then type "map tobruk" for instance.

To add bots to the game, you should type in the console: ins_bot_add 10

How To Get Thunderbird To Open Web Links In Default Browser

Go to Thunderbird Menu: Edit-->Preferences
Click Config Editor

Search for the following 3 entries:
network.protocol-handler.warn-external.http
network.protocol-handler.warn-external.https
network.protocol-handler.warn-external.ftp

and double click to true.

ssh login

ssh -i /path/my-key-pair.pem ec2-user@public-dns-hostname

To count the number of files and folders in a directory

$ echo $(($(ls -l | wc -l) - 1)) (count files AND folders in folder)

$ echo $(($(ls -lA | wc -l) - 1)) (including hidden files)

$ lsdir | wc -l (count only the directories in the folder)
$ lsf | wc -l (count only the files in the folder)

csvtools

csvtools