Optimized Grub

This commit is contained in:
Kevin Veen-Birkenbach 2020-04-17 21:47:18 +02:00
parent f67cfb7309
commit 02f5ad572f

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@ -17,14 +17,11 @@ Total capacity 5589 GiB with 2 Disks
```
## Legend
The following symbols show you where to execute the code:
### Environment
The following symbols show in which environment the code is executed:
* :computer: Client
* :ambulance: Rescue System
* :ghost: Chroot from Rescue System into Arch
* :minidisc: Arch Os
### Miscellaneous
* :warning: Warning
## Guide
### 1. Configure and Install Image
@ -198,10 +195,8 @@ mount /dev/vg0/root /mnt
#### 4.12 Copy "system"
:ambulance: :
```bash
# Resync unterbrechen
echo 0 >/proc/sys/dev/raid/speed_limit_max
cp -av /oldroot/. /mnt/.
# Resync fortsetzen
echo 200000 >/proc/sys/dev/raid/speed_limit_max
```
@ -240,8 +235,10 @@ pacman -S grub
Edit /etc/default/grub and tell the Kernel about the cryptdevice and the mdraid, and netconf that we want dhcp:
```bash
GRUB_CMDLINE_LINUX="cryptdevice=/dev/md0:root ip=dhcp"
GRUB_CMDLINE_LINUX="cryptdevice=/dev/md1:root ip=dhcp"
GRUB_ENABLE_CRYPTODISK=y # Not secure if necessary
```
:information_source: Further [information](https://wiki.archlinux.org/index.php/Dm-crypt/Encrypting_an_entire_system#Configuring_GRUB).
#### 5.3 Make and Install on Hard-drives
:ghost: :
```bash
@ -273,8 +270,8 @@ exit
ssh-keygen -f "$HOME/.ssh/known_hosts" -R your_server_ip
ssh root@your_server_ip
```
## 7.1. Debugging
### 7.2 Login to System from Rescue System
## 7. Debugging
### 7.1 Login to System from Rescue System
:ambulance: :
```bash
cryptsetup luksOpen /dev/md1 cryptroot
@ -285,6 +282,14 @@ mount --bind /sys /mnt/sys
mount --bind /proc /mnt/proc
chroot /mnt
```
### 7.2 Logout from chroot environment
```bash
exit
umount /mnt/boot /mnt/proc /mnt/sys /mnt/dev
umount /mnt
sync
reboot
```
## Sources
The code is adapted from the following guides: