Fix dead link

Signed-off-by: wj25czxj47bu6q <[email protected]>

README.md

@@ -1,7 +1,7 @@
 # Synapse-Ubuntu-ZFS
 Server configurations for Ubuntu 22.04 running Synapse
 
-This configuration does not include some hardening configurations, as those are maintained [here](https://github.com/tommytran732/Linux-Setup-Scripts/blob/main/Ubuntu-22.04-Server.sh).
+This configuration does not include some hardening configurations, as those ~~are~~ were maintained [here](https://github.com/TommyTran732/Linux-Setup-Scripts/blob/2f5a5ab10a13035ab467bfcb6d95984d3050b27a/Ubuntu-22.04-Server.sh).
 
 **Notes**:
 - snap ufw blocks Docker by default. ArcticFoxes's Matrix server uses .deb ufw instead.
@@ -12,4 +12,4 @@ This configuration does not include some hardening configurations, as those are
 - You need to create a `matrix-synapse-socket` and add the `matrix-synapse` and `nginx` user to it.
 - Systemd overrides for NGINX and SSHD services are based on [GrapheneOS's configurations](https://github.com/GrapheneOS/infrastructure/tree/main/systemd/system).
 - Systemd override for Synapse is based on Arch Linux's [matrix-synapse](https://gitlab.archlinux.org/archlinux/packaging/packages/matrix-synapse/-/blob/main/override-hardened.conf?ref_type=heads) package.
-- The repolists of PostgreSQL and Docker have been modified so that they read GPG keys from `/usr/share/keyring` by default. Make sure that when you follow upstream's documentation on adding their GPG keys, you adjust the location. For PostgreSQL's GPG key, run `curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor | sudo tee /usr/share/keyrings/postgresql-debian-repo.gpg >/dev/null`
+- The repolists of PostgreSQL and Docker have been modified so that they read GPG keys from `/usr/share/keyring` by default. Make sure that when you follow upstream's documentation on adding their GPG keys, you adjust the location. For PostgreSQL's GPG key, run `curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor | sudo tee /usr/share/keyrings/postgresql-debian-repo.gpg >/dev/null`