ddestroy – Write Zeros To Random Locations Across Drive
Read the source code and the comments to understand what this does. #!/bin/bash # — # this will write 0s across a drive at random locations (using dd) # you specify theRead More…
How to use Prolific RS232 USB to Serial Converter with Ubuntu
How to use Prolific RS232 USB to Serial Converter with Ubuntu ################################################### Using ubuntu 14.04 I didnt need to install any drives. Just plug and play. Also works with Ubuntu 11 (accordingRead More…
zcat/zgrep & lcat, rotated log read, Read thru the gzipped & ascii logs chronologically
Zcat and zgrep UPDATE 2016-04-26: thanks for article here http://unix.stackexchange.com/questions/77296/is-there-a-tool-that-combines-zcat-and-cat-transparently Forget my lcat function, just use the already provided zgrep and zcat commands. FORMAT: zcat -f — * # reads all files (normal andRead More…
RENAME: aka prename / rename.pl: Perl bulk file rename program
Bulk Terminal Rename for many files and folders. SIDENOTE: This is a common rename tool. Commonly I see it called as simply “rename”. In cygwin its called “prename” (other distros also call itRead More…
BTRFS – TOO MANY BALANCES – When to do balances
BTRFS – TOO MANY BALANCES – When to do balances ############################################# We (who is we, btrfs users) shouldn’t do em as much. They dont do much unless the systems allocation is full.Read More…
LINUX – Installed program but still cant run it – get this error “No such file or directory”
If you installed a program (with apt, yum, or compiled it and then installed – or whatever) and then you try to run it. # gem but you get the error (evenRead More…
Torrenting on COW filesystems – BTRFS & ZFS
Torrenting isn’t as big deal as it once used to be. Many vendors provide their big file downloads via Torrents. Why? I thought only pirates operate the Torrent seas? Not true. TorrentsRead More…
BTRFS – Mass Turning off COW – Uncow.py Copy Paste Script – Recursively Uncow.py everything
USE AT YOUR OWN RISK – HAVE A BACKUP PRIOR TO RUNNING Sometimes you dont want COW, because COW is copy on write and causes fragmentation where there are alot of readsRead More…
UNRAR123 – UNRAR Recursively – my unrar tools – good for downloads of rars (works with split volumes)
SCRIPTS TO EXTRACT AND ORGANIZE YOUR RAR FILES ############################################# ############################################# UPDATE 04-28-2015: latest scripts for unrar (and also unzip version) located over here: unrar123 & unzip scripts Good if you torrent. NotRead More…
Linux – RAM phases/states – Virtual and Commit as well – ATOP – SLAB/SLUB/SLOB
Intro Researching what is vmcom and vmlim from atop output, led me to research more interesting info on RAM and I learned alot. I want to include the interesting excerpts that IRead More…