Here’s how you install snmp on CentOs. I’m putting it up because I always forget the snmpconf command. yum install net-snmp yum install net-snmp-utils snmpconf -g basic_setup But… Don’t forget to chkconfig snmpd on and of course service snmpd start By the way , here’s the chkconfig parameters: chkconfig –list [name] chkconfig –add name chkconfig [...]
We have a lot of switches and the serverguys never know where they put their server when they need help with something. This is a common problem for most network techs I pressume. (At least almost everyone I have ever met). Now there’s quite a few switch portmappers out there you can buy but I [...]
You often gets device busy when you try to umount some filesystem that’s being used by some obscure process. # umount /var umount: /var: device is busy umount: /var: device is busy This is a way of finding out which processes that occupies your files.: # fuser -m /dev/xvdb /dev/xvdb: 1505 Now you have the [...]
I always forget how to check what directory gets filled up in my filesystem so I will put it here instead. du Is a great tool for this.