Theory
Public printers in the Physics Department are set up via print servers. All the public Sharp printer-copier-scanner devices are on their own print server called PCOUNTER2.physics.ox.ac.uk and all the other printers are via PRINTSERVERX64.physics.ox.ac.uk for 64 bit operating systems.
Categories: Astrophysics | Laptops | Printing | Theory | Windows
Categories: Theory
Rules when using Theoretical Physics systems
Use of the Theory Linux desktop system is subject to the following rules:
Note: Printing is NOT accessible via the eduroam wireless network. To print from a wireless device you will need to connect to Physics_S
To add a set of printers to your Mac, open self-service and click on the printers tab:
Categories: Apple | Astrophysics | Mac | Printing | Theory
Categories: Theory
Linux desktop system
Home directories
Files in one's home directory are stored on an NFS server. Quota is 75GB. This can be extended by request, but space on the server is limited for the time being. This space is mounted at /home/$USER and /network/home/theory/$USER and is backed up daily.
Client hard disks
Files for local processing are be stored at /local/home/$USER and /scratch on machines with an extra disk (/scratch/$USER is preferred, please make this directory yourself).
These are not backed up except by request.
What is back-up for?
It may seem obvious, but back-up is of critical importance to data security. From a simple mechanical defect in drive hardware, to a fire that burns down the entire Physics department, the range of possibilities for data loss is great. And without back-up, the cause is irrelevant because the result is the same: catastrophic and total loss of all of your data (and possibly your career).
Simply, back-up is a way of reducing the probability that an unlikely event will wipe out your data. It is about disaster mitigation.
Why jobs must be run nice'd
CPU cycles are a limited resource, and all modern operating systems permit multiple processes (i.e. programs) to run simultaneously. The operating system manages this by dividing CPU cycles into time slices and allocating these to programs according to a system of priority.
Categories: Theory
Generally, people's desktop systems are theirs to do with as they please, when it comes to using RAM and CPU cycles and scratch disk space. There are some caveats, however, and these are:
How to access your macOS computer via the command line
Categories: Apple | Astrophysics | Mac | Remote Access | Theory
