Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base


[$] Huge pages in the ext4 filesystem

When the transparent huge page feature was added to the kernel, it only supported anonymous (non-file-backed) memory. In 2016, support for huge pages in the page cache was added, but only the tmpfs filesystem was supported. There is interest i… Continue Reading — [$] Huge...


Security updates for Tuesday

Security updates have been issued by Debian (eject, gst-plugins-bad1.0, gst-plugins-base1.0, gst-plugins-good1.0, gst-plugins-ugly1.0, gstreamer1.0, php5, and tiff), Fedora (kernel), Gentoo (curl, deluge, libtasn1, and xen-tools), Mageia (mbedtl… Continue Reading — Security updates for Tuesday


Watch: Testing at the Edges

On March 1st, I presented a live webinar titled “Testing at the Edges”. Watch the recording below to hear me explain how to test resource guards that execute system commands or require specific system files. I also demonstrate enabling test coverage and working around recipes that rely on...


Introducing Amazon Connect

Amazon Connect is a simple to use, cloud-based contact center service that makes it easy for you to deliver better customer service at lower cost. This new service from Amazon Web Services is based on the same contact center technology used by Amazon c… Continue...


AWS Administration – Associate – Assessment 5

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