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How to use Secure Boot to validate startup software
Secure Boot uses digital key pairs to check that SystemTap and other startup code hasn't been altered by a rootkit or similar mechanism.
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10 tutorials to teach you something new about Java
How well do you know Java? Discover something new about one of the great platforms of modern computing.
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My DEI Journey
This article originally appeared on the Open Mainframe Project’s blog. It is written by Earl Dixon, Principal Client Services Management at Broadcom.
After watching the...
How I got started with RHEL
Red Hat Enterprise Linux (RHEL) celebrated its 20th anniversary days before RHEL 9 was released. See how some of our top authors evolved from...
Linux network services: How to start, stop, and check their status
Learn how to use the systemd command to manage your network services.
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In Memory of Shubhra Kar
This past week, we lost our dear friend, colleague, and a true champion of the open source community. Our CTO, Shubhra Kar, passed away...
How to troubleshoot network connectivity problems
Intermittent network connectivity errors can be hard to diagnose, especially if they happen between monitoring checks.
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Create Impact Change with the 2022 Call for Code
I am always amazed at the impact we all have coming together, using our collective talents for good. Combining our collective brain power, skills,...
How to configure your system to preserve system logs after a reboot
Edit your systemd-journald configuration to store journal entries for as long as you need them.
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How to find and interpret system log files on Linux
Learn how to use rsyslog and systemd-journald to get information about what's happening on your system.
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