Validate Email is Working Properly

Posted on November 23, 2017 by admin under General
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This post is a procedure for testing the email services at quantumleaps.com. The same process should work for your system, just change the domain name as needed.

Validate DNS is Working Properly

Posted on November 22, 2017 by admin under General
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This post is a procedure for testing the DNS services at quantumleaps.com. The same process should work for your system, just change the domain name as needed.

Disable Firewall

Posted on November 12, 2017 by admin under General
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To disable the system firewall, systemctl stop firewalld.service systemctl disable firewalld.service Conversely, to enable the system firewall, systemctl enable firewalld.service systemctl start firewalld.service  

Disable SELinux

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SELinux is a security extension for the linux operating system. With it, you can provide a more robust security policy allowing for granular access to system resources. Here, I will show you how to disable this wonderful feature, which, i bet, is done by most linux admins, for better or worse. Logon to your system […]

Guest Book

Posted on September 17, 2017 by admin under General
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Hello, and thanks for stopping by. Please sign the guestbook by posting a comment, just to let us know you stopped by. Read our About Us page to find out what we are all about.