Commands by 9810riya (0)

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Create a bunch of dummy text files
Avoiding a for loop brought this time down to less than 3 seconds on my old machine. And just to be clear, 33554432 = 8192 * 4086.

Return threads count of a process
Source: http://superuser.com/questions/49408/how-do-i-monitor-or-view-the-thread-count-of-a-certain-process-on-aix

Convert a file from ISO-8859-1 (or whatever) to UTF-8 (or whatever)
I use it sometimes when I work on a french file transferred from a windows XP to a Debian-UTF8 system. Those are not correctly displayed: ? ? ? and so on $man tcs # for all charsets

Verbosely delete files matching specific name pattern, older than 15 days.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Number of open connections per ip.
Here is a command line to run on your server if you think your server is under attack. It prints our a list of open connections to your server and sorts them by amount. BSD Version: $ netstat -na |awk '{print $5}' |cut -d "." -f1,2,3,4 |sort |uniq -c |sort -nr

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

Show IP Address in prompt --> PS1 var
when working with many machines in a computer lab need to know the IP addr is very large, this is a simplistic solution to make things easier

rename all images in folder with prefix of date and time from exif data
imagemagick is required

Check reverse DNS
The +short option should make dig less chatty.


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