When setting up https on an existing server, you need to provide a redirect for all those visitors arriving via http backlinks. Here is how to do this.
A quick guide to a solid DNS configuration using AWS Route 53 (and how to configure DNS using any other DNS service)
The most difficult thing about configuring the DNS settings for a domain is designing a plan of action: making up one’s mind about what kind of services you envision and how you want to route the traffic. Here’s a primer on how to configure DNS using Route 53 or any other service.
How to use rsync to transfer files and directories between hosts
The rsync utility can backup files, synchronize directory trees, and much much more, both on the local machine and between two different hosts—via push and pull. Here is how to tame it.
How to upgrade the Linux kernel in Fedora 28/29 quickly and easily
As zero-day exploits become increasingly common, keeping the kernel up to date is a top priority.
In CentOS 6.x/7.x and RHEL 6x./7.x, upgrading the Linux Kernel is a painful procedure which requires about a dozen steps. On Fedora, all it takes is a time-saving two-liner. You don’t need to concern yourself with the configuration of the grub boot manager, which is a frequent source of trouble on CentOS and RHEL.
The U.S. is back to #1! – Summit, the fastest supercomputer in the world was engineered with smarts… here is why
The world’s fastest supercomputer is American again. President Donald Trump’s dedication to #MAGA (Making America Great Again) is showing results big time. Chief among them are the Tax Cut and Jobs Act (2017-2018), a booming economy and a growing stock market.
But economic prosperity also needs military might and IT technology that’s worthy of a superpower.
During the sad 8 years of the Obama presidency, the U.S. has ceded the #1 and #2 titles in the TOP500 super computers list to China.
That’s over.
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