Month: August 2013


How to recover directadmin server from crash drive.

How to recover direct admin server from crash drive. First of all mount the crash disk. In my case I am mounting it in /mnt Now, you have to copy the data from old disk to new disk using below commands cp -avprf /mnt/etc/passwd /etc/ cp -avprf /mnt/etc/group /etc/ cp -avprf /mnt/etc/shadow /etc/ cp -avprf /mnt/etc/gshadow /etc/ …

Tweaks, Uncategorized

How to tweak linux server harddisk using hdparm

Tune your hard disk for high performance Using hdparm First of all you have to install hdparm in linux. apt-get install hdparm #hdparm /dev/sda /dev/sda: readonly = 0 (off) readahead = 120 (on) geometry = 8850/255/63, sectors = 142182912, start = 0   Hard disk Performance Information # hdparm -tT /dev/hda /dev/hdd: Timing cached reads: …


DDOS attack check

DDOS attack Whenever the load in the server increases due to a particular user in the server. Check the following: You can check the user in top. Find the domain owned by the user: grep username /etc/userdomains use the following command after you get the domain name: less /usr/local/apache/domlogs/ | awk ‘{print $1}’ | sort …