Bash script to split files using the dd command
Careful of the rm -f ${FILE} at the end … I’ve commented it out at first, but if you want to save space,
21
Jun
Bash script to take regular screenshots
UPDATE (06/22/11): Modified the below script to allow two arguments, start time and end time, so there aren’t useless
21
Jun
Bash script to gauge password strength
UPDATE: Modified for better formatting I googled around for this but didn’t find anything. Most replies to forum posts
10
Jun
TIL – IPTables “tar pit” option
Update: A little slow on the ball here, but I found out today that Fedora requires the xtables-addon package to be installed
03
Jun
Testing Maximo Products customer support
Earlier this year I jumped on a Groupon deal for what was basically $35 off at http://www.maximoproducts.com, makers of
02
Jun
TIL – easy blocking of brute force attempts using fail2ban
[root@webl001t log]# grep -i 'auth.*fail' secure | wc -l 30909 [root@webl001t log]# ls -la secure -rw------- 1 root root
01
Jun
TIL – Computer Science terms: idempotent and nullipotent
Idempotent – Related to web transactions, meaning an operation can (like a request for a dynamic page) be carried out 1
01
Jun
TIL – Figuring out which port in a switch you’re connected to with tcpdump
[root@yourbox ~] # sudo tcpdump -nn -v -i eth1 -s 1500 -c 1 ‘ether[20:2] == 0x2000’ tcpdump: listening on eth1,
24
May
TIL – multiple field separators with AWK
For the non redditors, TIL means “Today I Learned” … echo
20
May
Technological inspiration
We live in amazing technological times… When I can fit an entire library on a piece of plastic smaller than the nail on
05
May
