From b4828cb4f2e36eb78c34ecd9553fd4fd021b84be Mon Sep 17 00:00:00 2001 From: Weetile Date: Mon, 2 Oct 2023 17:47:03 +0100 Subject: [PATCH] Create README.md --- README.md | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 README.md diff --git a/README.md b/README.md new file mode 100644 index 0000000..faf5528 --- /dev/null +++ b/README.md @@ -0,0 +1,31 @@ +# Weetile's RHUL resources +## Linux CIM +### SSH Alias +You can easily create an SSH alias to make it **easier** and **more convenient** to connect to the Linux servers. +👎 Normally, you'd authenticate to the Linux servers as such: + + ssh USERNAME@linux.cim.rhul.ac.uk +👍🌟 By creating an SSH alias, all you have to type in is this: + + ssh rhul + To do this, you'll need to modify your ssh config. (`~/./ssh/config`) Make sure to create it doesn't exist, then append the following to the file, replacing USERNAME with your RHUL username (e.g: ZLAT262 or similar) +``` +Host rhul + User zlac218 + HostName linux.cim.rhul.ac.uk +``` +That's it! You can now access the Linux server by just typing in `ssh rhul` ✨ +Want to be able to login without typing in your password everytime? See the next section 😜 + +### SSH Authentication +Using SSH public key authentication is more secure and more importantly -- means you don't have to type in your password everytime you authenticate to the CIM servers! +To generate a new SSH keypair, you can run the following command on Linux: +` +ssh-keygen +` +Once you have your keypair saved, you can upload it to the Linux servers using the following command, replacing `USERNAME` with your username: + + ssh-copy-id USERNAME@linux.cim.rhul.ac.uk +You can confirm the SSH key has been added by authenticating to the server. If it doesn't ask you for your password, it's all set! +### Accessing Linux server off-campus in the evening +The RHUL Linux machines aren't able to be accessed off-campus in the evening due to security reasons. To circumvent this, you can connect to the RHUL VPN by following [this guide](https://intranet.royalholloway.ac.uk/students/help-support/it-services/access-off-campus/vpn/vpn.aspx).