My hoster updated the Linux kernel on my Debian system to 2.6.18-028stab070.5. After the update it wasn't possible to connect by ssh anymore.
Booted the system in recovery mode. /var/log/auth.log showed the following errors:
error writing /proc/self/oom_adj: Operation not permitted
error: Bind to port 22 on a.b.c.d failed: Cannot assign requested address.
fatal: Cannot bind any address.
The following changes fixed the problem:
Here's a nice comparison of hex editors:
Nice post about the Zeus C&C server:
Reboot. On the console do a fix-vesa. That's it.
See also: http://www.backtrack-linux.org/forums/backtrack-fixes/8-cant-get-resolution-go-beyond-1024×768-backtrack-vm-image.html
Nice post about network device discovery:
Nice post about OsExec:
Nice post about limiting the number of processes an executable might spawn:
Top 24 replies by programmers when their programs don’t work:
Nice blog post about gathering information using SNMP: