Dec 27 2009

WARNING: mismatch_cnt is not 0 on /dev/md0

Category: Articles,Linux administrationFractalizeR @ 12:37 pm

I’ve gotten cron log from one of my servers today which says:

 WARNING: mismatch_cnt is not 0 on /dev/md0

That worried me a little and I decided to investigate.

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Dec 20 2009

Script for securing server with IPTables

Category: Articles,Linux administrationFractalizeR @ 7:31 pm


Here is a script, which I use on my production servers to secure them a bit. I hope it will be useful to you. Script logs all dropped packets so that you can easily find out tye clutch should there be any. Additional FTP server setup will be necessary. For ProFTPD add the following line to /etc/proftpd.conf:

PassivePorts 65400 65534

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