Monday, October 25, 2021
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How to enable write cache for 3ware Raid controller

You can check the current cache status and then enable or disable it using the 3ware command line utility tw_cli. First lets see how...

Converting between image formats

qemu-img convert: raw, qcow2, qed, vdi, vmdk, vhd The qemu-img convert command can do conversion between multiple formats, including qcow2, qed, raw, vdi, vhd, and vmdk.

Configure Disk Quota on Ubuntu Server

Scenario: Disk quotas can be used to limit the amount of disk space or the number of files allocated...

Cannot access disk on zfs, Don’t Panic!!

I was having an issue with one of my Proxmox 5.0 version. When I was trying to start my VM it states...
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MySQL – Restore a Single Table from a FULL mysqldump file

Use the sed command on your bash shell to separate the data of the table that you want to restore. For example, if we want...

Physical Volume is using an old PV header

Situation When running the pvs command the following warning is displayed: 

MegaCLI CheatSheet (2)

Get raid controller log MegaCli64 -adpeventlog -getevents -f lsi-events.log -a0 -nolog Raid Controller and Drive Status

SSH Issue no kex alg

So what is happened? What’s causing it? Well, a modern operating system like Debian Jessie is packaged with OpenSSH 6.7 or newer ...