Commands by fraktil (4)

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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

show the date every rpm was installed
the newest rpms are at the top; individual packages can also be queried this way: rpm --last -q package

Scan all open ports without any required program

Find processes stuck in dreaded "D" state aka IO Wait
Lots of fun to run on nfs clients when the server or network connection is having issues

list files recursively by size

Checks apache's access_log file, strips the search queries and shoves them up your e-mail
as unixmonkey7109 pointed out, first awk parse replaces three steps.

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

First file editor for newbies
This command should be the first file-editing command for a newbie. It clears file.txt (cat), and asks for input until EOF is entered on its own line (not written to file.txt).

Make ISO image of a folder
Create ISO image of a folder in Linux. You can assign label to ISO image and mount correctly with -allow-lowercase option.

Compress excutable files in place.
The gzexe utility allows you to compress executables in place and have them automatically uncompress and execute when you run them. FYI: You can compress any executable sha-bang scripts as well (py, pl, sh, tcl, etc.).

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