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Change Listening Port of MySQL or MariaDB Server

Get Social!The MySQL and MariaDB server both use a file called my.cnf for parameters that are used to configure the server. This is where the port number and, if you use it, the local socket can be...

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GlusterFS Mount failed. Please check the log file for more details.

Get Social!You may get the following error when trying to mount a GlusterFS volume locally. The error displayed gives no indication why the volume failed to mount, but it does hint at where you can get...

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GlusterFS Error volume add-brick: failed: Pre Validation failed on BRICK is...

Get Social!I received the below error today after I tried to add a ‘new’ brick to a GlusterFS volume. I’ve put the word ‘new’ into quotes because although the brick was new to the GlusterFS volume, the...

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GlusterFS Error cannot open /dev/fuse

Get Social!After installing glusterfs-client I received the below error when trying to mount a remote GlusterFS volume. The error indicates that the device at /dev/fuse cannot be found, however ls...

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Proxmox 4.2 is now available

Get Social!A new version of Proxmox has been released building on the solid foundations laid down with the version 4 branch of Proxmox VE. The latest version 4.2 brings a new GUI, integration with...

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A New Version Of Ceph Has Been Released, Ceph Jewel

Get Social!The latest version of Ceph has been released codenamed Jewel with version number 10.2.0. Ceph Jewel has been released as a long term support (LTS) version and will be retired in November...

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Train SpamAssassin Spam Email Message Detection in Zentyal

Get Social! SpamAssassin does a great job at identifying SPAM emails and is probably one of the most popular in it’s class. An important part of fighting SPAM email is keeping up with the changes in...

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Where to Run Ceph Processes For High Availability

Get Social!In this blog post we’re going to take a detailed look at the Ceph server processes within a Ceph cluster of multiple server nodes. Ceph is a highly available network storage layer that uses...

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Install Oracle Java In Debian/ Ubuntu using apt-get

Get Social! Oracle Java, due to Oracle’s license conditions, it quite a pain to install. The problem is that anyone who isn’t Oracle isn’t allowed to distribute the JDK binaries – they have to be...

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Use DD to Quickly Benchmark Your CPU

Get Social!Let me start by saying… this is a quick and dirty method and shouldn’t be used for precise comparisons of CPU performance. That said, it’s perfectly adequate for approximating CPU...

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MongoDB 3.2 Bash Install Script

Get Social!The below script installs MongoDB 3.2.x on Debian. Copy and paste the script into a file called install_mongo.sh and execute it as root. [crayon-576580c6b81f4747454030/] Then connect to the...

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Automated Bash MongoDB 3.2 Install Script for Debian/ Ubuntu

Get Social!MongoDB is one of the leading noSQL breeds of database that’s been growing in popularity in recent years. The database is available in a ‘community edition’ that’s available for all to use...

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DataStax Cassandra 3.2 Bash Install Script

Get Social!The below script installs the DataStax distribution of Cassandra 3.2.x and the latest Oracle Java 8 on Debian. Copy and paste the script into a file called install_cassandra.sh and execute...

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Install DataStax Cassandra 3 on Debain/ Ubuntu

Get Social!The following process will install the DataStax distribution of Cassandra on any Debian based system, such as Debian or Ubuntu. We’ll use the official DataStax apt repositories to install...

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Cassandra Firewall Ports

Get Social!Cassandra uses various ports for communication, either server to server communication or client to server communication. If you’re using Cassandra in a firewalled environment you may need to...

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Create a Simple Cassandra Cluster With 3 Nodes

Get Social!Apache Cassandra™ is a massively scalable open source NoSQL database. Cassandra is built from day 1 to be clustered to tick the usual clustering boxes; no single point of failure, and...

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Manually downloading Java For Use With Webupd8’s apt-get Package

Get Social!Oracle Java is one of the biggest problems in life. That’s just a fact. Half of it is the fact that you have to download it directly from Oracle each time, quarter of it is the almost daily...

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Oracle Database INTERVAL Partitioning Date Error With 31-12-9999

Get Social!You may have seen the below error when using dates at the extremes with an Oracle Database. This post focuses on the scenario where you’re inserting a high date, such as 31-12-9999 into an...

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Oracle Database Interval Partition Set Up Script

Get Social!This script is used to set up the test table for the following blog posts: Oracle Database INTERVAL Partitioning Date Error With 31-12-9999 Oracle Database INTERVAL Partitioning and Virtual...

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Oracle Database INTERVAL Partitioning and Virtual Columns

Get Social!I bumped into this issue recently which prevents you INSERTING a date of 31-12-9999 into an INTERVAL partitioned table due to the fact that the LESS THAN partition value would be larger than...

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