Month: November 2009

Alexa ranking improved by 1000%

I just checked my Alexa ranking and guess what, I have a 1000% change in last 7 days. Thanks to all my readers.

\"amit-agarwal.alexa\"

Using snmp trap receiver on Fedora (Linux)

First off install the net-snmp things:

sudo yum install net-snmp net-snmp-utils

After that it will run out of the box with the command:

sudo snmptrapd -A -d -n -Lf trap.log

Some interesting links:

http://net-snmp.sourceforge.net/wiki/index.php/TUT:snmptrap
http://net-snmp.sourceforge.net/wiki/index.php/TUT:Configuring_snmptrapd#Matching_SNMPv2_OIDs
http://www.net-snmp.org/tutorial/tutorial-5/commands/snmptrap.html

internal error from PackageKit — packagekit Error Type:

If you get the below error then there is a bug files here.

Error Type:
Error Value: \’NoneType\’ object is unsubscriptable
File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 2280, in

main()
File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 2277, in main
backend.dispatcher(sys.argv[1:])
File : /usr/lib/python2.5/site-packages/packagekit/backend.py, line 600, in
dispatcher
self.dispatch_command(args[0], args[1:])
File : /usr/lib/python2.5/site-packages/packagekit/backend.py, line 526, in
dispatch_command
self.refresh_cache()
File : /usr/share/PackageKit/helpers/yum/yumBackend.py, line 1130, in
refresh_cache
self.yumbase.repos.populateSack(which=[repo.id], mdtype=\’metadata\’,
cacheonly=1)
File : /usr/lib/python2.5/site-packages/yum/repos.py, line 223, in
populateSack
self.doSetup()
File : /usr/lib/python2.5/site-packages/yum/repos.py, line 71, in doSetup
self.ayum.plugins.run(\’postreposetup\’)
File : /usr/lib/python2.5/site-packages/yum/plugins.py, line 178, in run
func(conduitcls(self, self.base, conf, **kwargs))
File : /usr/lib/yum-plugins/rpm-warm-cache.py, line 31, in postreposetup_hook
if commands[0] in (\’upgrade\’, \’install\’, \’remove\’):

And the solution is simply to remove:

yum-rpm-warm-cache with command:

yum remove yum-rpm-warm-cache