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Category: Everyday Computer Problem

CentOS 7 – dracut-initqueue timeout

January 2, 2019 Derrick 2 Comments

I received a Christmas gift from the RHEL 7 / CentOS 7 / Linux kernel team today. After my system…

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Posted in: Computer Problems, Everyday Computer Problem, Technology, Troubleshooting Filed under: Linux

“ZFS on Linux”: The ZFS modules are not loaded. Try running ‘/sbin/modprobe zfs’ as root to load them.

April 10, 2018 Derrick 9 Comments

Last Updated: Oct 3, 2019 This article is based on my experience with CentOS 7. If you are running other…

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Posted in: Computer Problems, Everyday Computer Problem, Server Problems, Technology, Troubleshooting, ZFS Filed under: Linux, ZFS

ZFS Cluster: A Network-Based ZFS Implementation

June 5, 2017 Derrick Leave a comment

I always like to experimenting the idea of building a ZFS cluster, i.e., it has the robust of the ZFS…

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Posted in: Everyday Computer Problem, Server Problems, Technology, ZFS Filed under: ZFS

How to install ZFS on RHEL / CentOS 7

January 4, 2017 Derrick 5 Comments

A friend of mine likes to try ZFS on CentOS 7, therefore I decide to make a guide for him.…

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Posted in: Everyday Computer Problem, Server Problems, Technology, ZFS Filed under: Linux, ZFS

CentOS/RHEL 7 – No ZFS After Updating the Kernel

December 12, 2016 Derrick 10 Comments

Let’s all agree with this fact: ZFS is foreign to Linux. It is not native. You can’t expect that ZFS…

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Posted in: Computer Problems, Everyday Computer Problem, Server Problems, Technology, Troubleshooting, ZFS Filed under: Linux, ZFS

[Linux]/dev/sdb1: more filesystems detected. This should not happen,

September 12, 2016 Derrick Leave a comment

I had a hard drive sitting around, and I decided to format it such that I could use it in…

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Posted in: Computer Problems, Everyday Computer Problem, Server Problems, Technology, Troubleshooting Filed under: CentOS, Harddrive, Linux

modprobe: ERROR: could not insert ‘zfs’: Required key not available

June 10, 2016 Derrick Leave a comment

Today I was trying to install ZFS on a CentOS 7 box. Typically rebooting the computer, the ZFS mododule will…

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Posted in: Computer Problems, Everyday Computer Problem, Technology, Troubleshooting, ZFS Filed under: Linux, ZFS

Dropbox on FreeBSD

June 6, 2016 Derrick Leave a comment

I put my personal websites on a FreeBSD server. One of my websites is a photo album, which I want…

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Posted in: Computer Problems, Everyday Computer Problem, FreeBSD, Server Problems, Technology, Troubleshooting Filed under: Dropbox, FreeBSD

Running ZFS on Linux: Things you should know and be aware of

February 29, 2016 Derrick 4 Comments

ZFS is the next generation file system. Unfortunately, it won’t be shipped with Linux because of legal/licensing issues. Fortunately, it…

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Posted in: Computer Problems, Everyday Computer Problem, Product Comparison, Technology, ZFS Filed under: Linux, ZFS

CentOS 6: No Networking Connections After Upgrade

August 10, 2015 Derrick Leave a comment

Today I reboot my CentOS 6 server, and I realized that the network connection was lost after the upgrade. To…

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Posted in: Computer Problems, Everyday Computer Problem, Server Problems, Technology, Troubleshooting Filed under: CentOS

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I 'm Derrick, a software engineer, an award-winning dad, an adventurist, a photographer and a chief, living in beautiful Madison, Wisconsin.

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  • ZFS – errors: Permanent errors have been detected in the following files:
  • CentOS 7 – dracut-initqueue timeout
  • “ZFS on Linux”: The ZFS modules are not loaded. Try running ‘/sbin/modprobe zfs’ as root to load them.
  • ZFS Cluster: A Network-Based ZFS Implementation
  • How to install ZFS on RHEL / CentOS 7
  • CentOS/RHEL 7 – No ZFS After Updating the Kernel
  • [Linux]/dev/sdb1: more filesystems detected. This should not happen,
  • modprobe: ERROR: could not insert ‘zfs’: Required key not available
  • Dropbox on FreeBSD
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