These books. https://www.amazon.com/UNIX-Linux-System-Administration-Handbook/dp/01314800... https://www.amazon.com/Practice-System-Network-Administration-Enterprise/dp/... https://www.amazon.com/Practice-Cloud-System-Administration-Practices/dp/032... https://www.amazon.com/Time-Management-System-Administrators-Working/dp/0596... Lots of SAGE workshops too, but these distil them quite well indeed. --srs On 09/01/18, 3:45 PM, "NANOG on behalf of Ramy Hashish" <nanog-bounces@nanog.org on behalf of ramy.ihashish@gmail.com> wrote: Hello there, I am looking for recommendations -preferably based on experience- for training/workshops for NOC engineers that have made significant difference in root cause analysis, analytical thinking, troubleshooting skills and problem solving skills. Thanks, Ramy