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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

How to tune the postfix in your server? The probably the best thing you could do is to write the logs to another syslog server as is done in this syslog.conf snippet. mail.* @xxx.xxx.xxx.xxx or if you can’t spare a machine for that, put dash in front of the filename.… Continue Reading Postfix Tuning and steps to tune the postfix in server

How to upload your files via FTP FileZilla in cPanel? You can upload the file via FTP. Kindly download the FTP client to your local machine and install it. Kindly follow the link below to download the FTP client. ====== http://filezilla-project.org/download.php ====== Then you can upload the files via FTP… Continue Reading Upload file in your account via FTP filezilla in cPanel

Testing Dovecot in Postfix or Verify Dovecot in Postfix One thing that you can do is run this command to verify it is listening on the correct port numbers: netstat -aunt This should show that Dovecot is listening on ports 143 and 110 for IMAP and POP3. Check if Dovecot… Continue Reading Testing Dovecot in Postfix or Verify Dovecot in Postfix

Linux settings for high load systems There are a few basic settings you have to adjust for high load systems to make sure the server have enough resources to handle big number of network connections. The main parameter is a maximum number of opened files allowed for the process to… Continue Reading Linux server settings for high load systems

How to configure email account in Outlook?There are many of us who do not use Outlook for send/receive email. But it is the better option to use Outlook to send and receive emails. Configuring email account in Outlook is easier. Just follow the link below to configure Outlook in your… Continue Reading Configure email account in Outlook or MS Outlook

How to configure email account in MAC machiane?Configuring the email account in MAC machine is quite easier. Just follow the instructions below to configure the email account in the MAC machine. 1. Open Mac Mail and then click File, Add Account…. 2. Enter the POP3 server assigned to you within… Continue Reading Configure email account in MAC machine

1. Install prerequisites=========== yum install sendmail-devel openssl-devel ===========2. Install OpenDKIM Download then extract OpenDKIM. Change to the extracted directory and run configure, make and then, as root, make install. =========== wget http://downloads.sourceforge.net/project/opendkim/opendkim-2.4.2.tar.gz tar -zxf opendkim-2.4.2.tar.gz cd opendkim* ./configure make && make install =========== 3. Post install steps Create a Linux… Continue Reading Install DKIM in Postfix using openDKIM

For detailed troubleshooting on Spamming issue in cPanel servers, refer the following link.http://linux-bloggers.blogspot.in/2011/12/exim-message-transfer-agent-mta.html In this post, we have provided the script to identify accounts that is senting more mails in a day. ============== awk -v dt=$(date +”%Y-%m-%d” –date “$(date +”%F %T”) 1 days ago”) ‘$1~dt && $0~/ [UA]=/ &&  $0!~/U=(mailnull)/… Continue Reading Identfy spamming accounts in cPanel servers

Here, is the script that we used to take backup of all the MSSQL database present in the windows server. You would need to get the “Sa” password from any website web.config file.=============================== @ECHO OFF SETLOCAL REM Created By Dhanasekaran for /F “tokens=2-4 delims=/ ” %%A in (‘Date /T’) DO… Continue Reading Bacth script to take backup of all the database MSSQL