Sometimes disks stop responding and cause system slowness because the kernel is waiting for a response that never comes. The disk appears 100% utilise[……]
Tag: Hard Disk
Find sdx device/ATAx mappings
When dealing with hardware, you often see log messages like:
ata9: hard resetting link
ata9: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
To map[……]
How to shred/wipe disks/partitions
When you delete a file normally, the data stays on the disk — the filesystem just marks the space as available. The data can be recovered with the rig[……]
Formatting a partition from command line
When you need to format a partition from the command line, a few commands are all you need. Here’s the typical workflow.
First, create the files[……]
Logical Volume Management basics
I have explained how to activate an LVM logical volume before, but never talked much about LVM itself. Here is a brief introduction.
I have been playi[……]
How to fix GRUB 2 with Ubuntu live cd
When GRUB fails and your system won’t boot, the errors can be intimidating. But fixing it with a live CD is straightforward.
Boot from an Ubunt[……]
Mount Windows share on Linux
Sometimes I still have to deal with Windows. :-/ This time it’s an office shared disk. I was able to mount it automatically but only root could[……]
Linux: what is partition UUID and how to use it
If you have worked with Linux disks, you have seen device names like /dev/sda1. They work fine until you add or remove a disk — then the names can shi[……]
Load LVM partition manually
Sometimes you have to load a logical volume that is not part of the main filesystem. Other times you might have to mount a volume from a live CD, perh[……]
How to install “as many Operating Systems as you want” in one machine
Do you often have the need, or want the pleasure, to try a new operating system?
Do you prefer using a “real machine” rather than creating a virtual[……]