Browse system RAM in a human readable form

sudo cat /proc/kcore | strings | awk 'length > 20' | less
This command lets you see and scroll through all of the strings that are stored in the RAM at any given time. Press space bar to scroll through to see more pages (or use the arrow keys etc). Sometimes if you don't save that file that you were working on or want to get back something you closed it can be found floating around in here! The awk command only shows lines that are longer than 20 characters (to avoid seeing lots of junk that probably isn't "human readable"). If you want to dump the whole thing to a file replace the final '| less' with '> memorydump'. This is great for searching through many times (and with the added bonus that it doesn't overwrite any memory...). Here's a neat example to show up conversations that were had in pidgin (will probably work after it has been closed)... sudo cat /proc/kcore | strings | grep '([0-9]\{2\}:[0-9]\{2\}:[0-9]\{2\})' (depending on sudo settings it might be best to run sudo su first to get to a # prompt)

15
By: nesquick
2009-03-09 02:19:47

What Others Think

don't you need to install kdump or something? this doesnt work at all for me on ubuntu 2.6.27-11-generic #1 SMP Thu Jan 29 19:28:32 UTC 2009 x86_64 GNU/Linux
linuxrawkstar · 717 weeks and 4 days ago
s/strings | awk 'length > 20'/strings -20/
Xate · 717 weeks and 4 days ago
Hey linuxrawkstar I'm on 2.6.27-11-generic too. Does running `sudo cat /proc/kcore` give any output at all?
nesquick · 717 weeks and 4 days ago
Try running "sudo su" fist
nesquick · 717 weeks and 4 days ago
this is sweet. thanks for sharing
foucault · 717 weeks and 3 days ago
Create a Bitcoin Price Index Watcher in HTML5, help! cookie clicker
galvined · 72 weeks ago
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Perfecthomepugs · 5 weeks and 2 days ago

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