Empowering Filipinos with Linux and Open Source Technology
When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload. In this guide, I’ll be using two Ubuntu-14 instances on Amazon Web Services using free tier account with separate public and private networks and allotted 2 disks on each…
Whether your product is an open-source script, a Web application or a downloadable product, you will need to provide some form of technical support. This article explores the subject based on my long personal experience of of providing technical support, paid and free. Giving technical support at work and in user community has been my…
Linux kernel is also flexible, and you can even modify the way it works on the fly by dynamically changing some of its parameter using sysctl command. Changes will take effect immediately, or modify /etc/sysctl.conf to make the changes persistent during reboot. But beware of messing it up, for it may cause undesirable behavior or…
Install bind-chroot on both servers # yum install bind-chroot From Primary DNS # dnssec-keygen -a HMAC-MD5 -b 128 -n HOST master-slave Kmaster-slave.+157+50029 The output tells…
An ls (pronouced as el es) utility appeared in the original version of AT&T UNIX. Today, two popular versions of ls are the Free Software…
EXECUTIVE SUMMARY There are many reasons why an organization may want to implement on a Document Management System. Often these days, one company will not…