Linux – Null Byte

Simple monitoring of Linux services with zabbix

By Antti Hurme 19/10/2016 No Comments 1 Min Read

This little snippet and template allows you to monitor services on Linux. It’s really simple and might not work on all distributions. So far I’ve mainly used it on CentOS6. The required files can be downloaded from github here. To get things working, copy the files from github to /etc/zabbix. You need to change the owner of userscripts to zabbix and add the execute privileges to the .sh file. chmod…

vCloud Director upgrade fails: “cpio: chown failed – Operation not permitted”

Linux VMware

By Antti Hurme 25/11/2013 No Comments 1 Min Read

vCloud Director upgrade fails: “cpio: chown failed – Operation not permitted”

Encountered this while making an upgrade of VMware vCloud Director which ended up with an error message “cpio: chown failed – Operation not permitted” as the very beginning when starting the execution of the .bin file. The error has to do with vCloud Director using a NFS share for the transfer folder (/opt/vmware/cloud-director/data/transfer ) and as such doesn’t reside on the vCD Cell itself. In the NFS server share configuration you…

MySQL NDB Cluster setup on Ubuntu 12.04 LTS

Development Linux

By Antti Hurme 09/01/2013 23 Comments 9 Min Read

MySQL NDB Cluster setup on Ubuntu 12.04 LTS

This post is is a guide on how to create a MySQL cluster on Ubuntu 12.04 LTS server distribution. I will not go trough basic Ubuntu installation as that can be expected a pre-requisite when creating an MySQL cluster. I will try to cover every aspect of the installation process and touch some parts regarding testing. There is another excellent guide behind the following link which has pretty much the…