fix to system requirements link broken & use LTS nodejs

Author: AdamG100

docs/getting-started/system-requirements.mdx

@@ -61,7 +61,7 @@ System requirements for optimal performance:
 
 <br />
 
-## [Check out the automated installer](/getting-started/installation/linux-installation) <br />
+## [Check out the automated installer](/getting-started/installation/linux-installation)
 
 ## Manual Installation Dependancies
 

docs/using-tcadmin/common-errors.mdx

@@ -47,7 +47,7 @@ This is usually caused by having uPnP support enabled and the server is not behi
 
 If you get this error while accessing a game server located on the master this usually means there is an error when verifying your license. Go to `System` > `About`. If there was an error updating your license you will see the error message there.
 
-If you get this error while accessing a game server located on a remote this usually means the remote can't connect to the master. Make sure you can view [https://masterip:secureport/Monitor](https://masterip:secureport/Monitor) using the server's browser. On Linux you can use wget. It is normal to get a security warning when doing this.
+If you get this error while accessing a game server located on a remote this usually means the remote can't connect to the master. Make sure you can view `https://masterip:secureport/Monitor` using the server's browser. On Linux you can use wget. It is normal to get a security warning when doing this.
 
 ### Error - Cannot find central directory