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A couple days ago i received an alert that one of the disks on our linux production machines is filling up very quickly. It was the application server machine and the logging partition was running out of space rapidly. Logs filled up my disk How logs filled up my disk Gladly the log files are […]
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NFS is short for Network File System. NFS server allows you to share a filesystem from a computer on the network to other computers on the same network. NFS is a server/client oriented protocol so one computer acts as a server and other computers (clients) connect to it. We will install and configure Ubuntu NFS Server […]
Distributed Replicated Block Device is a great way to replicate filesystem over the network to another server or host. Distributed Replicated Block Device actually mirrors a whole block device over the network therefore it is often used for High Availability (HA) clusters. Distributed Replicated Block Device is actually a network based RAID 1. Distributed Replicated Block Device has […]
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If you are looking for network card redundancy you can start by confguring network bonding on your Ubuntu Server 12.04 machine. Network cards with network bonding can be joined in multiple configuration options (active/active, active/backup,…). We will configure our network cards in “active/backup” configuration. This is a network bonding fallback configuration which means if one […]
Read this Step-by-Step guide on how to Install Nagios Core 4.0.2 on Ubuntu Server 12.04 LTS. Download an automated Ubuntu Install Nagios Core bash script.
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Fix Ubuntu Nagios 4 Init Script. Read this post and learn how to fix init script to work properly on Ubuntu Linux installations.
This is how you fix Nagios Error: Could not open command file ‘/usr/local/nagios/var/rw/nagios.cmd’ for update on CentOS and Ubuntu Linux.
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This is a quick step-by-step with screenshots on how to install Ubuntu Linux on your machine. We will be installing Ubuntu Desktop edition version 12.10. This is the current version of Ubuntu at the time of my writing. First you need to make sure that you have backed up all your valuable data from the […]
