#mkfs

Logical Volume Manager – LVM no Linux

O LVM é útil para gerir os discos de forma inteligente através de volumes. Conheça essa tecnologia usada em muitas distribuições

O LVM é um gerenciador de discos do Kernel do Linux. Ele permite que discos sejam trocados sem interrupção do serviço (hotswap), alterar o tamanho dos volumes, criar backup de imagens dos volumes, criar um volume único a partir de vários discos (similar ao RAID 0) ou…

How-to: Which "features" of ext4 existing ext4 partition uses? #dev #programming #development

Which "features" of ext4 existing ext4 partition uses?

When I create ext4 filesystem, there are many “features”, which I can enable and disable – like has_journal, extent, huge_file and so on. Is there any way to know, which options were used while creating ext4 filesystem (after it been created, I mean)?

I have existed ext4 partition (created by somebody), but even don’t know, did it use…

Connect to AWS EC2 Instance

use `lsblk` to show drives

$ lsblk

NAME    MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda1  202:1     0   8G  0 part / xvdf     202:80   0   8G  0 disk

Find the one without a mount point

$ subo mkfs /dev/xvdf

Now make a mounting point

$ sudo mkdir /data

$ sudo chmod 777 /data

Now lets mount it

$ sudo mount /dev/xvdf /data

Now lets confirm it

$ lsblk