In this blog Oracle Linux Kernel engineers Steve Sistare and Mark Kanda present QEMU live update. The ability to update software with critical bug fixes and security mitigations while minimizing downtime is extremely important to customers and cloud service providers. In this blog post, we present QEMU Live Update, a new method for updating a running QEMU instance to a new…
Click to Read More at Oracle Linux Kernel Development
QEMU Live Update
QEMU Live Update
In this blog Oracle Linux Kernel engineers Steve Sistare and Mark Kanda present QEMU live update.The ability to update software with critical bug fixes and security mitigations while minimizing downtime is extremely important to customers and cloud service providers. In this blog post, we presentQEMU Live Update, a new method for updating a runningQEMUinstance to a new version while minimizing the impact to the…
Click to Read More at Oracle Linux Kernel Development
QEMU Live Update
In this blog Oracle Linux Kernel engineers Steve Sistare and Mark Kanda present QEMU live update. The ability to update software with critical bug fixes and security mitigations while minimizing downtime is extremely important to customers and cloud service providers. In this blog post, we present QEMU Live Update, a new method for updating a running QEMU instance to a new…
Click to Read More at Oracle Linux Kernel Development
What to do in case of a Linux kernel panic
Here’s how to avoid panicking when you see a Linux kernel panic.
Read More at Enable Sysadmin
How to handle a Linux kernel panic
How to handle a Linux kernel panic
Here is a collection of resources to help you deal with kernel panic events.
Peter Gervase
Wed, 11/11/2020 at 4:26am
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A kernel panic often lives up to its name, causing panic for the admin. But the good news is that all is not lost; there are steps you can take.
So, first off, what is a kernel panic? As defined in the Computer Security Resource Center (CSRC) Glossary, a kernel panic is “a system error that cannot be recovered from, and requires the system to be restarted.” As we all know, a forced restart is never good.
Topics:
Linux
Linux Administration
Read More at Enable Sysadmin
Looking forward to Linux network configuration in the initial ramdisk (initrd)
One of the tasks that the initrd might be responsible for is network configuration.
Read More at Enable Sysadmin
Linux patch management: How to back out a failed patch
Linux patch management: How to back out a failed patch
A good patch management plan always includes a good patch backout plan.
Sreejith Anujan
Tue, 11/10/2020 at 5:57pm
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Photo by Nathan Hilton from Pexels
Keeping servers up to date is one of a system administrator’s primary responsibilities. However, updates do not always work the way you expect, so it’s equally important that you know how to a) revert a patch to get the server back to the previous state and b) apply patches in subsets to get more flexibility.
Topics:
Linux
Linux Administration
Backups
Patch management
Read More at Enable Sysadmin
CNCF Releases Free Training Course Covering Basics of Service Mesh with Linkerd
Introduction to Service Mesh with Linkerd is the newest training course from CNCF and The Linux Foundation. This course, offered on the non-profit edX learning platform, can be audited by anyone at no cost. The course is designed for site reliability engineers, DevOps professionals, cluster administrators, and developers who want to learn more about service mesh and Linkerd, the open source service mesh hosted by CNCF and focused on simplicity, speed, and low resource usage.
Read more: Linux Foundation Training
How to query files, packages, and repositories in Linux
How to find the information you need about Linux software packages, commands, and utilities.
Read More at Enable Sysadmin
Renewing my thrill at work with Ansible
Renewing my thrill at work with Ansible
Ansible empowered me to utilize my own technical strengths and passion to improve processes and enjoy my time.
Joseph Tejal
Mon, 11/9/2020 at 9:08pm
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Image by Michal Jarmoluk from Pixabay
Sitting on my work-from-home desk, sipping black coffee, and watching the cool demos at AnsibleFest 2020 on demand—it all flashed back to me: The challenges of a few years ago when I was a Linux systems admin at another company. Back then, you strove to reduce the number of incidents, stabilized customer systems, put standard maintenance procedures in place, scripted the mundane tasks, documented everything well, and finally, ensured others could do your job, etc.
Topics:
Linux
Automation
Ansible
Read More at Enable Sysadmin