Monthly Archives: January 2018

Recent technical articles.

Virtualization: Container Images and Hosts: Selecting the Right Components, Buildah Blocks – OCI Shell Game, OpenShift: What OpenShift Online and Dedicated customers should know about Meltdown and Spectre, Prometheus Alerts on OpenShift, Secure your Kubernetes production cluster, APB Development Tutorial –

Posted in RHEL7

Latest technical articles.

Meltdown / Spectre: Reading privileged memory with a side-channel, Kernel Side-Channel Attacks – CVE-2017-5754 CVE-2017-5753 CVE-2017-5715, KPTI — the new kernel feature to mitigate “meltdown”, What are Meltdown and Spectre? Here’s what you need to know, Controlling the Performance Impact

Posted in RHEL7

RHCSA7: Task of the day

Allowed time: 5 minutes.
Create a new user account called "bob" with password "redhat" and set expiration in one week.

RHCE7: Task of the day

Allowed time: 10 minutes.
Set up a default secure MariaDB database called maria and create a table named people with two columns respectively name varchar(20) and age int(10) unsigned.

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Poll for favorite RHEL 7 book

What is your favorite RHEL 7 book to prepare RHCSA & RHCE exams?

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Poll for most difficult RHCSA 7 topic

What do you think is the most difficult RHCSA 7 topic?

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Poll for most difficult RHCE 7 topic

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