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Category Archives: Linux cPanel

Error: lookuphost defer (-1): lowest numbered MX record points to local host.

Posted on: November 22, 2014

You may have gone through the issue of not receiving mails on the server while the mail sending part functioning normally. In such cases the mail log (/var/log/exim_mainlog) will suggest you the exact reason for the error. ========================================= # mail -v test@server.com Subject: test test . Cc: LOG: MAIN <= root@server.server8.com U=root P=local S=391 root@server8 [~]# […]

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How to secure WordPress ?

Posted on: November 4, 2014

The wordpress is known for its security flaws. A security issue (or security vulnerability) is a type of bug that affects the security of WordPress installations.  1. Strong passwords: The passwords should be minimum of 8 characters. It must have both the cases and combination of digits and special characters. eg: poZ#hupsZ2M4!Z Please note that weak passwords are […]

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How to optimize your website?

Posted on: November 1, 2014

This lesson will teach you on how to optimize your website contents. To optimize the contents first we need to enable necessary modules on the server. 1) Mod_deflate(provides the DEFLATE output filter that allows output from the Webserver to be compressed before being sent to the client) 2) GZIP(webserver to send the GZIP compressed header to […]

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