Update crontab hint

diff --git a/Installation.md b/Installation.md
index 5c637f850bba5edb77ac7243a4ecd0bef0b257e6..0ecc113c0fca3fae679f79241d575d18bfc34d4c 100644 (file)
--- a/Installation.md
+++ b/Installation.md
@@ -39,10 +39,9 @@ This will create the repo checkout in the directory *~/code/*.
 16. If you enabled the documentation building process in the *build-farm.conf*, then you can try to build it with `./run_build --test --verbose=2 --only-steps=configure,make-doc`.  For documentation generation to succeed, it will require extra packages to be installed to support xml, xslt, pdf, and a few other things. Please see the comments on the [Building Documentation](./BuildingDocs.html) page.
 17. If you can get past each of these steps, then your build farm system meets the minimum requirements.
 18. The official process can be kicked off by running `/home/farm/code/run_cron --run-all`.  This will run the default build configuration, keep track of the git repository status, and upload the build results to the server.
-19. Once that command runs with no complaints, add it to the **farm** user crontab.  You can run it at whatever frequency you choose, I suggest 2 hours.  If a previous instantiation is still running, the script will detect the lockfile and exit so as not to step on each other.  I had a problem running the *run_cron* script in that cron gives a highly sanitized path to the script when it runs it.  I made a second script to call the first one so I could insert path elements in that were needed:
+19. Once that command runs with no complaints, add it to the **farm** user crontab.  You can run it at whatever frequency you choose, I suggest 2 hours.  If a previous instantiation is still running, the script will detect the lockfile and exit so as not to step on each other. *Caution* Cron provides a highly sanitized environment to the run_cron script. Depending on your cron version you may supply a `PATH=…` line in your crontab, or you need to call a wrapper script around `run_cron`:
 
     ````
-    $ more /home/farm/bin/build_farm.sh
     #!/bin/bash
     export PATH="/usr/local/bin:/sbin:/usr/sbin:$PATH"
     $HOME/code/run_cron.sh --run-all $@