You’ll find here answers to CERN specific linux questions such as: How to configure AFS client at CERN, How to use CERN time servers, How to print at CERN, etc
Please ask questions (and/or provide solutions) about using Linux at CERN.
For CentOS related questions you may find solutions at: http://linux.web.cern.ch/linux
Most recommendations for tele-working work straight forward on any Linux Distribution.