shell script to delete /tmp files linux leaving eacclarator folder

by Siru // April 10, 2011 // No Comments

Hi, You can use this script to delete tmp files if the /tmp partition memory goes beyond 70 percent by leaving eacclarator folder alone, #/bin/bash #Script to delete tmp files except eacclarator s=df -h |grep tmp | cut... Continue reading →

script to notify high server load | linux script for monitoring server

by Siru // April 10, 2011 // No Comments

Hi, The following is the script which will send mail to admin if the server’s load is more than 15, please enable cron to execute it frequently. #!/bin/bash SUBJECT="`hostname`server load is high" TO=admin@yourdomain.com uptime > /tmp/load... Continue reading →

shell script to find linux memory process usage

by Siru // April 9, 2011 // 3 Comments

Hi, The following script will check for top 20 processes which uses maximum memory resource in the server and will store it in “overusage” file only if the free memory goes below 700MB. Set cron to execute this script whenever needed. ... Continue reading →

MySQL root password reset linux

by Siru // April 7, 2011 // No Comments

Hi, You can reset forgotten MySQL’s root password by following the below steps. First stop the running MySQL process by using the following command. [user@linux]# /etc/init.d/mysql stop Then start the mysql daemon by skipping the grant tables which stores the... Continue reading →

echo 0 proc sys kernel hung_task_timeout_secs disables this message

by Siru // April 6, 2011 // 5 Comments

If your server crashes frequently and if your log throws out the following error message, then you are probably running with buggy kernel version “2.6.18-194.32.1.el5“. This needs to be upgraded to “kernel-2.6.18-238” atleast. Mar 6 00:36:06 mytv kernel: “echo... Continue reading →

the ip address of a physical server cannot be used with its parallels power panel port number

by Siru // March 22, 2011 // 3 Comments

If you are getting the above error the possible reason is that your Container IP and you main node IP are same, you need to change the container IP and reinstall virtuozzo to fix this error. Or may be the... Continue reading →

FreeBSD knowledgebase

by Siru // March 19, 2011 // No Comments

Services location in FreeBSD ========================= /usr/local/etc/rc.d/services.sh Crontab useful paths ================== Root user crons are at /etc/crontab System user crons are at /var/cron/tabs For other cron jobs please check /var/cron/atjobs Alternative for yum command ======================= pkg_add Command In FreeBSD is the... Continue reading →

Apache server tokens

by Siru // February 25, 2011 // 7 Comments

Hi, Apache token is one of the options for securing your web server. Let me explain you the options here. Apache token is generally found in apache main configuration file httpd.conf if it is not present never mind, you can... Continue reading →

APF, BFD and DDOS installation steps

by Siru // February 22, 2011 // No Comments

======================================================= APF ======================================================= APF stands for Advanced policy firewall, is a software for unix based systems. Let me explain the steps to be followed in installing APF in your Linux system. #cd /usr/local/src/ [user@linux]#wget http://www.rfxn.com/downloads/apf-current.tar.gz [user@linux]#tar -xvzf apf-current.tar.gz [user@linux]#./install.sh [user@linux]#vi... Continue reading →

MySQL command help

by Siru // February 21, 2011 // 1 Comment

Command to create mysql user ============================ CREATE USER 'username'@'localhost' IDENTIFIED by 'password'; Command to grant all privileges to a user to databases starting with any name ============================================================================= GRANT ALL PRIVILEGES ON database_.* TO 'username'@'localhost' IDENTIFIED BY 'password'; flush privileges; The... Continue reading →

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