Azure VM Offline Recovery Using an Azure Repair VM
If an Azure VM no longer boots sufficiently to access it through SSH or the Azure Serial Console, the OS…
Troubleshooting a Btrfs Root Filesystem Forced Read-Only by ENOSPC During a Balance Operation
In this article, we will troubleshoot a Btrfs root filesystem that suddenly became read-only, even though df still reported several…
How to Shrink a Linux VMware vSphere Virtual Disk (VMDK) and Its Associated Logical Volume
Allocating additional storage to a virtual machine in VMware vSphere is straightforward, you simply increase the size of the virtual…
resize2fs Superblock Checksum Error – What It Means and How to Fix It
After extending a logical volume (e.g., using LVM), it’s common to resize the filesystem to make use of the newly…
Mastering Expert Partitioning on SUSE Linux Enterprise Server 15
When installing SUSE Linux Enterprise Server (SLES), the installer usually suggests an automatic partitioning layout. While this works for most…
How to extend LVM Logical Volumes stored on extended Disk Partitions instead on whole initialized Disks by using Growpart
You can create physical volumes (PVs) out of whole disks or disk partitions by using LVM. Red Hat recommends that you…
Linux LVM – Remove Volume Groups and Logical Volumes
In this post I want to show how we can remove LVM Volume Groups (VGs) and Logical Volumes (LVs) in Linux. Remove Logical Volumes In order…
Linux LVM – Rename Logical Volumes
We can rename LVM logical volumes by using the lvrename command. Below I will rename the logical volume named data1…
Linux LVM – Create a new Volume Group and Logical Volumes
In this post I want to show how we can create a new LVM Volume Group (VG) and Logical Volumes…
Cheat Sheet – File System Commands in Linux
In this post I want to list some useful commands to determine specific file system information you sometimes need to…
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