Month: September 2010

Problems with sshd after kernel update (Debian)

gebhard 2010-09-30 Uncategorized ,

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:

/etc/defaults/ssh:

SNMP

gebhard 2010-09-07 Uncategorized

Nice blog post about gathering information using SNMP:
http://www.attackvector.org/compromising-hosts-with-snmp/

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