A good way to debug LocalSystem services?

Thu Apr 18 12:49:00 GMT 2002

> While trying to debug the following problem:
>> http://sources.redhat.com/ml/cygwin/2002-04/msg00677.html
>> I needed to run code (i.e., seteuid()) under the LocalSystem account.
> So, I used ssh to simulate su.
>> Specifically, I changed the SYSTEM entry in /etc/passwd to be as follows:
>> SYSTEM:*:18:18:Local
System,U-TISHLERJASON\LocalSystem,S-1-5-18:/home/system:/bin/bash
>> Then I created /home/system and copied my ssh keys to /home/system/.ssh.
>> After these steps, I could "su" to SYSTEM by simply executing the
> following:
>> $ ssh system@tishlerjason
>> Now I could run strace, gdb, etc. in the context of the LocalSystem
> account which really help me solve the above problem. Maybe this is a
> decent way of debugging LocalSystem services in general? Do others agree?
>> Note that I found one anomaly so far. With /etc/passwd as above, when
> cron runs jt's crontab it sets $HOME to /home/system instead of /home/jt.
A better way is:
AT <time> /interactive C:\Cygwin\Cygwin.bat
where <time> is 1 minute from now...
And for other users:
RUNAS /user:<username> C:\Cygwin\Cygwin.bat
Regards
Chris
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