
Friday, November 23rd, 2007
First, in order to run traceroute on the Windows box you need to launch a command prompt or DOS console.
Type ‘cmd’ and hit enter in Start->Run
To run Traceroute under the Windows you must use traceroute’s command line utility
tracert
traceroute help:
C:\Documents and Settings\Administrator>tracert
Usage: tracert [-d] [-h maximum_hops] [-j host-list] [-w timeout] target_name
Options:
-d Do not resolve addresses to hostnames.
-h maximum_hops Maximum number of hops to search for target.
-j host-list Loose source route along host-list.
-w timeout Wait timeout milliseconds for each reply.
for example to trace the network path to host host.net you should enter
tracert host.net
and hit enter. Voila
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Posted by Linux in Guides 

Thursday, November 22nd, 2007
If you are installing Mailscanner and Spamassassin from source or some RPMs it’s been know to use Bayesian statistics engine with it’s database kept forever. This fills up /var/spool/MailScanner/spamassassin folder pretty quickly if you have a moderate load SMTP incoming server. To fix this problem and rebuild Bayesian filters you need to change the following value in /etc/MailScanner/MailScanner.conf file
find the following setting:
Rebuild Bayes Every = 0
and replace it with
Rebuild Bayes Every = 12000
This will rebuild Bayesian spamassassin database/files every 200 minutes. You can of course aim for a higher value if you have enough disk space.
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Posted by Linux in Linux tips 