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dd command to migrate VPS on linux platform

dd command to migrate VPS on linux platform. First create new vps with same configuration on another node. It doesn’t matter new vps is having os or not or you can choose any OS. Once same configuration VPS setup done then use below command to migrate VPS. dd if=/dev/guestos/kvm2351_img | ssh 10.10.10.10 “dd of=/dev/guestos/kvm2520_img” Once migration is …

Installation, Uncategorized

Idera backup agent configuration

How to configure Idera backup agent   Installing Agent Using YUM First, create a YUM .repo file with the R1Soft repository information. Open the new file with a text editor such as vi or nano: # cd /etc/yum.repos.d vi r1soft.repo Insert the following text into the file and save the file: [r1soft] name=R1Soft Repository Server baseurl=http://repo.r1soft.com/yum/stable/$basearch/ …

Installation, Uncategorized

How to install ioping in linux server

How to install ioping in linux server This tool lets you monitor I/O latency in real time. It shows disk latency in the same way as ping shows network latency. Login to SSH. Go to the folder where you want to download it. cd /usr/local/src Download the installation file. https://ioping.googlecode.com/files/ioping-0.6.tar.gz Extract that file using below …

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: …

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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/domain.com | awk ‘{print $1}’ | sort …

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vi and vim cheat sheet for Linux

vi and vim cheat sheet for Linux   Cursor movement h – move left j – move down k – move up l – move right w – jump by start of words (punctuation considered words) W – jump by words (spaces separate words) e – jump to end of words (punctuation considered words) E …

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Change Theme Without Login To WordPress Admin Area

Change Theme Without Login To WordPress Admin Area Check the database name from wp-config.php file. Backup the database using the following command from shell. Cpanel  mysqldump database_name > database_name.sql Plesk mysqldump –opt -uadmin -p`cat /etc/psa/.psa.shadow` database_name > database_name.sql Now, login to phpmyadmin and select the database_name. In the database click on table wp_options . In …

CPanel / WHM, Installation, Uncategorized

How To: Find Symlink under UNIX / Linux

How To: Find Symlink under UNIX / Linux Now, a days sym/root hacking is famous and hacker can create a sym/root folder by using script. How do I find symlink(s) under UNIX and Linux operating systems? Use the below command to find symlink directory find /path/to/dir -lname /path/to/file OR If you want to search sym/root …

CPanel / WHM, Uncategorized

Log folder contents deleted getting error mails

Log folder contents deleted getting cron mails and getting below error. Cannot open /var/log/sa/sa03: No such file or directory   Login to server via SSH Go inside /var/log/ folder cd /var/log/ Check for sa folder, if it is not present then create it manually using below command. Files will be generated automatically inside that folder mkdir …