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Linux

  • How to open .uif files in Linux
    2:27 PM

    The .uif files is created by Magic ISO, which is a windows application to create, edit, and extract CD/DVD image files. For windows there is a freeware tool called MaginDisk that can open UIF images. But in Linux, you have to convert it to an ISO image file to open it. The fastest method to

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  • Complete installation steps for ‘OpenFire’
    2:20 PM

    “Openfire is a real time collaboration (RTC) server licensed under the Open Source GPL. It uses the only widely adopted open protocol for instant messaging, XMPP (also called Jabber). Openfire is incredibly easy to setup and administer, but offers rock-solid security and performance.” Installation of openfire is easy enough if you haven’t come across with

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  • SpeedCrunch : fast and usable calculator for Linux
    4:37 PM

    User-friendly GUI unlimited variable storage history and results on a scrollable display up to 50 decimal precisions intelligent automatic completion fully usable from the keyboard more than 50 built-in math functions optional virtual keypad to be used with a mouse on-the-fly and selection calculation customizable appearance syntax highlighting and parentheses matching Keyboard-friendly Smart correction History

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  • lvreduce and lvextent a Linux partition, a quick “howto”!
    4:37 PM

    Scenario : Yeah Disk space issues!! /var and /var/log are seperate partitions and /var/log is getting filled-up with the current logrotation settings which we dont want to change. /var is allocated with 50G and has got lot of free space left in it. So we decided to go-ahead with the decision to re-size the partitions

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  • Fix Toshiba battery issue for Linux
    4:37 PM

    Its been a year since I made my last post and have been thinking about what I could write  to start posting again. I have finally found a perfect one. Yepieeee, Its about vexing Toshiba battery conflict with the kernel.  I have got my battery issue fixed after a long wait. First of all let

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  • How to enable DKIM in cPanel server.
    4:37 PM

    DomainKeys Identified Mail (DKIM) lets an organization take responsibility for a message while it is in transit and one can use this to prevent from getting blacklisted by the free email providers like Yahoo, MSN and Google. DKIM can increase the mail authenticity. cPanel does not have an interface to enable DKIM like we have for

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  • Exim: remove mails in queue from a particular sender.E
    5:15 PM

    “spams”, its one of the major issue that a sys admin has to deal with throughout his job.  First you need to find the user who is generating it. You can get it from the mail headers.  Once you find the user, disable the script that was responsible for spams, but it may have already

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  • OpenVZ network down SIOCADDRT: Network is unreachable
    5:15 PM

    Have you ever come across in a situation where the VPS is running, but network is unreachable?  OpenVZ VPS may be up and running, but network service will be down resulting downtime for websites hosted in it. If you try to restart the network, you will get the below error: ==================================== [root@pers ~]# /etc/init.d/network restart

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  • How to configure NAT with iptables on a VPS.
    5:15 PM

    NAT ( network-address-translation ) with iptables  helps us in how to select the packets we want to mangle. We can easily configure NAT on a OpenVZ VPS by following the below steps. Lets first consider a VPS in which NAT is not enabled. Trying to POSTROUTE from VPS throws you errors. iptables -t nat -A

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  • How to disable gzip output on lightspeed server accounts
    5:15 PM

    You can use .htaccess to disable gzip output if your website is running under a lightspeed server. Open .htacess file and append following lines. php_flag zlib.output_compression Off RewriteEngine On RewriteRule . – [E=no-gzip:1] RewriteRule ^(.*)$ $1 [E=no-gzip:1]

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