Finally one that looks at a process and tells you what ports its listening to. WPCM450 /tmp]$ ps |grep ssh  1263 root       4532 S   /sbin/sshd -g 60  9730 root       9412 S   sshd: root@pts/0     10571 root       3556 R   grep ssh [WPCM450 /tmp]$…

Here’s one that looks up processes that have a file open… well, actually, more like a file expression; “foo” would match “/bar/foo” and “/foo/bar” (by intent), so use full paths if you’re not feeling frisky. And yes… busybox really does have that many duplicate processes with that file open…. [WPCM450 /tmp]$ ./lsof-pid-on-file.sh NVRAM_PrivateStorage00.dat /bin/fullfw  …

After beating on some really anemic linux installations that had… well, just about nothing installed (one didn’t have “tr”, one didn’t have “df”, etc… come on, that’s pretty sad ;)), I decided to start writing some shell scripts in very, very basic shell (you can do a lot with shell, awk, and sed!) Here’s one…