Continue with my previous post on installing the Xymon, you can write your own monitor scripts. I wrote a script named v7000alerts to check whether there are active alerts in my IBM StorWize V7000. 1) Download the script v7000alerts to /home/xymon/server/ext, and run 'chmod a+x v7000alerts' and 'chown xymon:xymon v7000alerts'. 2) Add the following into /home/xymon/server/etc/tasks.cfg … Continue reading Monitor V7000 active alerts in Xymon
Tag: Linux
Setup Xymon monitor
Xymon is an easy and nice and systems and network monitor tool. It was inspired by the Big Brother system and was called Hobbit. I have set it up in my environment (CentOS 6.5) to monitor some critical web sites and services. Here are my how-to notes: 1) Install Xymon from source code. 2) Change … Continue reading Setup Xymon monitor
Setup GitHub in Linux
I should have done this earlier - to use GitHub to manage my scripts/configs/documentations. So I can have them managed and tracked. Later better than never, I got them setup Today in my Ubuntu box. Here is the how to:1) Go to the GitHub.com to create an account.2) Install git client.jchen@mylaptop:~$ sudo apt-get install git … Continue reading Setup GitHub in Linux
RecordRoutingInfo: Unable to collect IPv4 routing table
One of my VMware Linux virtual machine takes a long time to boot. And there are couple warnings on the screen complaining RecordRoutingInfo: Unable to collect IPv4 routing table. According to VMware KB2048572, this issue occurs when the Linux iputilis package causes a delay in the boot process. A warning message appears when the guestinfo … Continue reading RecordRoutingInfo: Unable to collect IPv4 routing table
Find out open files of a process
Some one asked me yesterday how to find out the open files of a process. I could not answer it. But I knew it has something to do with the /proc folder, as I restored the apache access log once from the /proc folder after a user deleted the access log in the /var folder … Continue reading Find out open files of a process
