Technical support interview questions shared by candidates
Usual questions - work ethics are a big part of their concerns. They don't want people who turn over jobs a lot and move around. This isn't a place you go to step your career up and use them. They'll invest in you as an employee and train you and get you certified, but they don't want employees going out the door once they get the certifications.
Q: C++ debugger: how to troubleshoot segfault? How to view stack information? A: Use back-traces and frames : bt, frames. Q: Crashed process - how to start troubleshooting? A: System log - syslog. Application logs are not that helpful due to abrupt exit. Q: how to check files opened by process? A: iostat and lsof Q: how to check netowrk ports being used? A: netstat Q: difference between stripped and non-stripped binary? A: non-stripped binary has debugging info built-in. Stripped does not. Q: How would you install new programs on Unix? A: RPM commands Q: How to detect frozen/stuck process, and how to debug it? Q: What are UNC paths in windows