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Recently, we have upgraded MSSQL version from Evaluation version to Web Edition. We would like to post the step in this article which will help someone to upgrade MSSQL.   There are few things which we need to consider while upgrading. +  Lets take a backup of all the database.… Continue Reading Upgrade MS Sql Server from Evaluation version to Web Edition

We would like to post few random switch commands that we used in our  day to day life. To get the switch port of a MAC address, use the following command. # show mac address-table address xx:xx:xx:xx:xx:xx Aging time is 300 sec Vlan Mac Address Port Type ——– ——————— ———-… Continue Reading Random useful switch Commands

The following step by step guideline helps to install red5 on Centos Server.   1. Install Java. ======== yum -y install java-1.6.0-openjdk java-1.6.0-openjdk-devel ======== 2. Install ant. ======== yum list | grep ant  // check whether ant is available in yum yum install ant —- Otherwise cd /root/tmp wget http://apache.mirrors.pair.com/ant/binaries/apache-ant-1.8.2-bin.tar.gz… Continue Reading Red5 Installation on Centos

How do I flush a computer DNS cache?To flush DNS cache in your computer or PCFlush dns to get a new nameserver resolution for a domain. Flushing DNS cache might also helps you to check new redistered domain is accessable in the browser or not. You can simply flush your… Continue Reading How do I flush a computer DNS cache?

At  times, you will find the following error message in the “/var/log/messages” ======= FAIL: ftp per_source_limit from=xxx.xxx.xxx.xxx ======= You can resolve the issue by adding the following line in the file ‘/etc/xinet.d/ftp_psa’ ======= per_source            = UNLIMITED  ======= After saving the file, restart xinet.d by using the following command. /sbin/service xinetd… Continue Reading FAIL: ftp per_source_limit

At times, you may get many emails notifying about the Dr.Web service. You may disable it by following the steps mentioned below: It differs from one Plesk version to that of the other. For Plesk 8: Edit the file ‘/etc/drweb/drweb32.ini‘ and set UpdateNotify = no For plesk 9: Edit the… Continue Reading Disable Dr.Web email notifications

1. Create a user: useradd testpasswd test 2. Add this user in wheel group. usermod -a -G wheel test 3. Now, Edit PAM configuration file for su. (/etc/pam.d/su) —-  vi /etc/pam.d/su uncomment below line auth sufficient /lib/security/$ISA/pam_wheel.so trust use_uid This will allow users in wheel group as a trusted users.… Continue Reading Wheel user to become as root (su -) without password

unable to enter into VPS You may get an error while entering to a openvz vps. You cant also ssh to the vps from outside. Error: vzctl enter xxxx enter into VE xxxx failed Unable to open pty: No such file or directory 1. If it is a redhat based… Continue Reading Error : Unable to open pty: No such file or directory