nixCraft Linux / UNIX Newsletter

How to update LXD container Ubuntu image from 16.04 to 18.04

Posted: 15 Dec 2018 04:14 AM PST

I run my app inside Ubuntu Linux 16.04 LTS lxd Linux container. To upgrade Ubuntu 16.04 to 18.04 LTS container, I run do-release-upgrade command, but I am getting the error message that read as "Must be connected to a terminal." How do I fix this problem to upgrade from Ubuntu Linux 16.04 to 18.04 image?

The post How to update LXD container Ubuntu image from 16.04 to 18.04 appeared first on nixCraft.

5 Tips To Speed Up Linux Software Raid Rebuilding And Re-syncing

Posted: 15 Dec 2018 02:59 AM PST

It is no secret that I am a pretty big fan of excellent Linux Software RAID. Creating, assembling and rebuilding small array is fine. But, things started to get nasty when you try to rebuild or re-sync large size array. You may get frustrated when you see it is going to take 22 hours to rebuild the array. You can always increase the speed of Linux Software RAID 0/1/5/6 reconstruction using the following five tips.

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