# User Guide

This guide contains tricks and recipies for end users using Red Hat Enterprise Linux 7 or 8 as provided by the Core Linux Research Services group.

- [Login Servers](login_servers)
- [Connect Evolution with Office365](evolution_for_o365)
- [Connect Thunderbird with Office365](thunderbird_for_o365)
- [Remote Access with RDP](xrdp)
- [RDP Access to winterm4(Windows)](https://psi.service-now.com/kb_view.do?sys_kb_id=c3fc386e8788dd10bc150d830cbb358a&sysparm_language=en&sysparm_nostack=true&sysparm_no_create_incident=&sysparm_no_rating=&sysparm_no_suggest=&sysparm_no_update=)
- SSH asks to accept key on unknown host -> [SSH Host Key Certificates](ssh_host_key_certificates)
- [SSH Client Configuration](ssh_client_config)
- Firefox refuses to start with home directory on the network drive -> [Per Host Default Profile for Firefox](firefox_profile_per_host) 
- [Kerberos for Long Running Programs/Simulations/Shell Sessions](kerberos_lifetime)
- [Start Long Running Programs/Simulations with mpirun](mpirun)
- AFS `permission denied` when using Putty -> [SSH Access from Windows using Putty](putty)