Commands by fibo

Commands by fibo (3)

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find which lines in a file are longer than N characters

Note that in the command N is, for instance, 37. Show Sample Output
This is sample output - yours may be different.
```
This line has more than 37 characters.
```
0

perl -nle 'print length,"\t",$_ if length > 37' < /path/to/input/file

fibo · 2014-03-20 09:44:41 0
Read source of some installed Perl module
This is sample output - yours may be different.
0

perldoc -m Some::Module

fibo · 2014-03-03 16:00:03 0
Loop over the days of a month, in $YYYY$MM$DD format

Edit YYYY and MM at the beginning of the command with the year and month you want. Note that `DD=$(printf "%02d" $d)` will pad single digit integers with a leading zero. Substitute `echo $YYYY$MM$DD` at the end of the line with the command you want to launch, for instance script.pl --yyyymmdd $YYYY$MM$DD Also available on GitHub as bash util: https://github.com/fibo/yyyymmdd Show Sample Output
This is sample output - yours may be different.
```
20140201
20140202
...
20140228
```
1

YYYY=2014; MM=02; for d in $(cal -h $MM $YYYY | grep "^ *[0-9]"); do DD=$(printf "%02d" $d); echo $YYYY$MM$DD; done

fibo · 2014-02-06 11:31:57 3

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SSH Copy ed25519 key into your host

Detect illegal access to kernel space, potentially useful for Meltdown detection

Based on capsule8 agent examples, not rigorously tested

force a rescan on a host of scsi devices (useful for adding partitions to vmware on the fly)

histogram of file size

dd with progress bar and statistics

Uses the pv utility to show progress of data transfer and an ETA until completion. You can install pv via Homebrew on macOS

A fun thing to do with ram is actually open it up and take a peek. This command will show you all the string (plain text) values in ram

cat? dd? RTFM

Replaces a color in a PDF document, useful for removing a dark background before printing.

The pdf is first converted to a bitmap, so change "-density" to match your printer resolution. Also be careful about the RAM required. In this example rgb(0,0,0) is replaced by rgb(255,255,255), change to suit your needs.

lsof - cleaned up for just open listening ports, the process, and the owner of the process

another formatting/oneliner for lsof User - Process - Port

(DEBIAN-BASED DISTROS) Find total installed size of packages given a search term

Replace \-dev with whatever you wanna search for

unrar all part1 files in a directory

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Commands by fibo (3)

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