Commands using vi (21)

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Remove invalid key from the known_hosts file for the IP address of a host
Quick shortcut if you know the hostname and want to save yourself one step for looking up the IP address separately.

Get AWS temporary credentials ready to export based on a MFA virtual appliance
You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token. This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use: `awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'` You must adapt the command line to include: * $MFA_IDis ARN of the virtual MFA or serial number of the physical one * TTL for the credentials

Select rectangular screen area
Hold 'Ctrl' + 'Alt' key while selecting rectangular text area of the screen with left mouse button. Should work in any terminal screen (xterm, konsole, ...) under X, if not then try with 'Ctrl' + 'Shift' + 'Alt' or two-combination of these.

Get your commandlinefu points (upvotes - downvotes)
Like command #4845, prints score, number of entries, and average score.

Edit Camera Model in metadata:

Installing debian on fedora (chrooted)

Stop Flash from tracking everything you do.
Brute force way to block all LSO cookies on a Linux system with the non-free Flash browser plugin. Works just fine for my needs. Enjoy.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

for x in `psql -e\l | awk '{print $1}'| egrep -v "(^List|^Name|\-\-\-\-\-|^\()"`; do pg_dump -C $x | gzip > /backups/$x-back.gz
Ran as the postgres user, dumps each database individually. It dumps with the create statements as well, so you can just 'zcat $x-nightly.dmp.gz | psql' to reimport/recreate a database from a backup.

Extract extention of a file


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