Diff for "VirtualExam"

Differences between revisions 1 and 2

Virtual Exam

Please read the documentation of virtual exam

$/!\$ The way the virtual exam white listed software (etc/vx.conf) will be rewritten early in Term 1 to better cope with software changes on CSE computers.

Useful scripts

~give/stable/bin/prac_install_vx <prac_name>
- set up a standard virtual exam environment
priv chown <path_wildcard>
- change work directories ownership from 90<uid> to the exam account
~give/stable/bin/vx-conf-product.pl
- strace the command
- feed the output of strace to this script
- add vx.conf files as arguments
The script will output the files that are missing from the config files

Tips

when the exam crashes after you authenticated with your zid, check the stderr.log file in <exam_account>/var directory. Look at the latest directory.

marimba % ls -lt ~/var | head -5
total 988
drwxr-xr-x 2 cs9024exam cs9024exam 4096 Feb 13 06:59 marimba-25528
drwxr-xr-x 2 cs9024exam cs9024exam 4096 Feb 12 20:49 wagner-7800
drwxr-xr-x 2 cs9024exam cs9024exam 4096 Feb 12 20:33 vx4-45795
drwxr-xr-x 2 cs9024exam cs9024exam 4096 Feb 12 18:39 vx4-34624

after chown-ing the work directories to the exam account, you can't start up the exam with the same work directories.

-  ⇤ ← Revision 1 as of 2019-02-13 06:48:16 → 
  Size: 715
  Editor: MeichengWhale
  Comment:
+   ← Revision 2 as of 2019-02-13 06:55:46 → ⇥
  Size: 1320
  Editor: MeichengWhale
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 17:
-   The script will output the files that are missing from the config files
+ . The script will output the files that are missing from the config files

Tips
 * when the exam crashes after you authenticated with your zid, check the stderr.log file in <exam_account>/var directory. Look at the latest directory.
 {{{
marimba % ls -lt ~/var | head -5
total 988
drwxr-xr-x 2 cs9024exam cs9024exam 4096 Feb 13 06:59 marimba-25528
drwxr-xr-x 2 cs9024exam cs9024exam 4096 Feb 12 20:49 wagner-7800
drwxr-xr-x 2 cs9024exam cs9024exam 4096 Feb 12 20:33 vx4-45795
drwxr-xr-x 2 cs9024exam cs9024exam 4096 Feb 12 18:39 vx4-34624
 }}}

 * after chown-ing the work directories to the exam account, you can't start up the exam with the same work directories.