Commands tagged syntax (6)

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Get My Public IP Address

Create passwords and store safely with gpg
Adjust the $ head -c part for password length. I use filenames like "hans@commandlinefu.com.gpg" and a vim which automatically decrypts files with .gpg suffixes.

decoding Active Directory date format
When Ldapsearch queries an Active directory server, all the dates are shown using a timestamp of 18 digits. This perl regexp decodes them in a more human friendly notation. 11644473600 corresponds to some microsoft epoch.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

use vi key bindings at the command line

Convert Squid unixtime logs in human-readable ones
On-the-fly conversion of Unix Time to human-readable in Squid's access.log

find text in a file
this will find text in the directory you specify and give you line where it appears.

Tail a log file with long lines truncated
This truncates any lines longer than 80 characters. Also useful for looking at different parts of the line, e.g. cut -b 50-100 shows columns 50 through 100.

List only directories, one per line

Copy structure
Clone directory structure without the files


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