proxmox: added instruction for setting up proxmox after initial installation

wiki/linux/dm-crypt.md

@@ -0,0 +1,8 @@
+# DM-Crypt
+
+`dm-crypt` can create and manage encrypted devices.
+
+## Creating an encrypted devices
+
+To create a encrypted device simply run:
+`cryptsetup -y -v luksFormat /dev/sda2`.

wiki/linux/lvm.md

@@ -0,0 +1,10 @@
+# LVM
+
+`lvm` is a utility to create logical volumes.
+
+## Create VG for proxmox
+
+Setup the disk for the physical volume with `sgdisk -N 1 /dev/sdb`.
+Then create the physical volume `pvcreate --metadatasize 250k -y -ff /dev/sdb1`.
+And finally create the volume group `vgcreate vmdata /dev/sdb1`.
+Then follow the guide in proxmox on how to connect a `vg` to proxmox.

wiki/linux/mdadm.md

@@ -0,0 +1,15 @@
+# MDADM
+
+`mdadm` is a utility to create and manage raid devices.
+
+## Raid 1
+
+Raid 1 creates a mirror with even amount of drives.
+
+### Create Raid 0 device
+
+You can create a Raid 0 device with
+`mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/sda /dev/sdb`
+where `sda` and `sdb` are the disks you want to include in your raid.
+You can increase the number of raid devices, but they have to be at least 2.
+If it is an uneven amount of disks in the raid, a disk will act as a spare disk.

wiki/linux/proxmox.md

@@ -4,6 +4,14 @@ Proxmox is an environment for virtual machines and containers.
 
 ## Disk Management
 
+### Adding a LVM to Proxmox
+
+Create a `pv` and `vg` according to [the LVM page](lvm.md) at subsection
+`Create VG for proxmox`.
+Then add the LVM via the web-interface.
+Select Datacenter and Storage. The `Add` and choose `LVM`.
+After that follow the instructions and fill in the fields to your liking.
+
 ### Enlarging disk of a VM
 
 SSH into Proxmox.