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…
NOTE TO SELF: bash – shift & colors
Interesting way to use colors (an easy way) in bash. And a cool way to use shift. This is from a script that I found online that install GNS3 and vpcs andRead More…
BASH – awk & paste – joining lines – every other – join 3 lines repeat – every 4 lines repeat
UPDATE: I have another article on this topic called PASTE primer. Which covers the simplest way to join any number of lines without AWK or SED which is much easier. …Joining Lines… ImagineRead More…