# Extra Repos

```sh
dnf update
dnf install epel-release
dnf install elrepo-release
dnf install rpmfusion-free-release
```

# System tools

```sh
dnf groupinstall "Development tools"
dnf install vim git zip htop iftop btop hdparm stress
curl -fsSL https://rpm.nodesource.com/setup_18.x | sudo bash -
dnf install nodejs
```

# System test

```sh
btop
stress -c 4 -i 2 -d 1
```

# Encrypted Partition

```sh
# Create encrypted partition
dnf install cryptsetup
cryptsetup -y -v --type luks2 luksFormat /dev/nvme0n1p6
lsblk -f

# Mount luks
cryptsetup luksOpen /dev/nvme0n1p6 data
ls -l /dev/mapper/data
cryptsetup -v status data
cryptsetup luksDump /dev/nvme0n1p6

# Format ext4
dd if=/dev/zero of=/dev/mapper/data status=progress
mkfs.ext4 /dev/mapper/data

# Mount ext4
mkdir /data
mount /dev/mapper/data /data
df -h
ls -l /data

# Umount all
umount /data
cryptsetup luksClose data
```

# Change docker data Directory

```sh
docker info -f '{{ .DockerRootDir }}' # /var/lib/docker
systemctl stop docker.socket
systemctl stop docker
echo '{"data-root": "/data/docker"}' >  /etc/docker/daemon.json
systemctl start docker
systemctl start docker.socket
docker info -f '{{ .DockerRootDir }}' # /data/docker
mv /var/lib/docker /var/lib/docker.old
```