September 2010 - Systems Administration Problem Solvers

ssh: Illegal -o parameter “PermitLocalCommand no”

Your box has been hacked. Refer to my previous post: HERE You need to reinstall the SSH client: yum reinstall openssh-clients

September 29, 2010

Unknown HZ value! (##) Assume 100

You’ve been hacked. How to clean a Hacked CentOS / LINUX Machine yum install chkrootkit Run chkrootkit to find INFECTED files You will need to delete, manually, each of these files. The permissions will be modified to stump the average user. You will need to use: chattr This command will free most files: chattr -suSadAc […]

September 23, 2010

Tar specific file types / extensions

find . -name ‘*.abc’ | pax -wdx ustar | gzip > Files.tgz

September 23, 2010

spamass-milter + FreeBSD

exit 255 at /usr/local/bin/spamd line 2588. /usr/local/etc/rc.d/sa-spamd: WARNING: failed to start spamd The above error can be resolved by typing: sa-update

September 22, 2010

Month: September 2010

ssh: Illegal -o parameter “PermitLocalCommand no”

Unknown HZ value! (##) Assume 100

Tar specific file types / extensions

spamass-milter + FreeBSD