various setups

added python setup for pytorch and cuda

added guide to generate ssh key

wiki/linux/ssh.md

@@ -2,6 +2,11 @@
 
 SSH is a network protocoll to securely connect to a computer.
 
+## Generate new keys
+
+To generate new ssh keys simply run `ssh-keygen -t ed25519` or
+`ssh-keygen -t rsa -b 4096`.
+
 ## Enable root login via SSH
 
 Edit the `/etc/ssh/sshd_config` and change the line containing `PermitRootLogin`

wiki/programming-languages/python.md

@@ -46,3 +46,29 @@ to it and run `pipreqs` (install it if not already done).
 
 The steps to make Vim a python IDE are described in
 [the vim section of this wiki](../linux/vim/python.md).
+
+## Modules
+
+There are various modules and package managers to install these for python like
+`pip`.
+
+## Pytorch
+
+### Setup Pytorch with Cuda for GPU usage
+
+If you are on Arch Linux or a distribution based on it install
+`python-pytorch-cuda` via `pacman -S python-pytorch-cuda`.
+
+After that visit
+[the official pytorch website](https://pytorch.org/get-started/locally/) and
+install pytorch for your custom configuration.
+
+After that try to run the following python script:
+
+```python
+import torch
+
+torch.cuda.is_available()
+```
+
+This should give back `True`.