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Configuring Software RAID1 after installation of Ubuntu 16

Matthew 8 Comments

Preamble

We all know how easy it is to set up software RAID1 during install… but what if you had to do it afterward?  Say for instance you only had one HDD at the time and decided later on you wanted to add a second drive and make it into a Mirror.  Well, this tutorial will show you how to add a second drive of the same size (very important that they be the same size!) and create a RAID on Ubuntu 16 after installation.

For this example, I used Ubuntu 16.04.1 without LVM and without custom partitioning.   And I have already added the second drive to the system.…

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Fun Linux Technology

The Wonderful World of Linux

Matthew 0 Comments

Its been a while since I made a post to my blog. I really should keep up with it. So in an attempt to do so, I decided to write about what I am currently engulfed in: The Wonderful World of Linux. In my life time I have used all major operating systems. In my younger years, before college, I was raised on Mac, up to OS 9… I never got into OS X as by the time it was released, I had already switched over to Windows. Throughout College I mainly worked on Windows and started to dabble in Linux, mind you back then they didn’t have the amount of flavours you have today.…

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Custom Linux Bash Prompt

Matthew 0 Comments

Ok, so I had some downtime at work.  By this I meant an evening shift where absolutely nothing was going on.  So I decided to play with one of my Virtual Machines.  My Setup at work consists of my Laptop, a USB Monitor, and a standard VGA Monitor, so 3 screen in total.  On one screen I usually have a full screen instance of Kali Linux going via VirtualBox.

I found two really cool sites called Bashrcgenerator.com and Ezprompt.net.  I used both of them to create my new user bash prompts:

PS1-rootPS1-mkoster
The reason for the two sites is they encode each part differently.  …

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Linux Personal Technology

Considered Normal? has moved to Vultr

Matthew 0 Comments

To the untrained eye, nothing has changed for the site. Only one small detail is missing. You will notice that the Links in the sidebar to my friends and family are gone… not by choice, seems the new versions of WordPress have removed this feature, and since I didn’t bring over the database, pre-existing links (only was to enable the links in newer versions) didn’t carry over. A minor issue.

What people may notice however is how blazing fast the site is. The move to Vultr was done for a few reasons. The first being that the database on the old site was having hichups.…

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Linux Personal

Configuring multiple IPs on Debian – The Easy Way

Matthew 0 Comments

I was recently tasked with adding 100+ ips to server at work. Normally we deal with smaller networks, like /28 or /29, but this guy had a /25 which is 128 IPs (125 usable) (Side Note: before you argue and tell me it should be 126 Usable, In our line of work, there are 3 unusable IPs instead of 2… Normally you have Network (first IP in range) and Broadcast (last IP in range), in our line, we add a Gateway (Second IP in range) which is not usable by a server) SO taking away all the unusable IPs, and of course the primary IP assigned to the NIC card, that results in 124 IPs needing to be assigned.…

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Linux Technology

Installing Ruby on Rails (On CentOS) – The EASY Way

Matthew 0 Comments

It seems every tutorial I find on the net has something wrong with it.  Its either out of date, or for the wrong operating system.  Many of the tutorials show you how to install Ruby on Windows or Mac, but no real instructions on how to install it in a production environment.  This strikes me as odd, I mean, whats the point of only having a development environment if you can’t eventually move it into production?

I found one tutorial that was on the right track, but sadly it was outdated, so here is an up-to-date version as of today, April 11, 2015.…

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Project: Load Balancing

Matthew 0 Comments

As most of you know about 4 months ago I switched jobs.  I went from being a Computer Centre Manager at a private library to being a L1 Support Agent/L2 Sysadmin for a server hosting company.  The learning curve has been immense. I went from working with 3 servers to over 1000 servers.

One of the first things I did was start a personal project.  I mean the more things you can do in the world of servers, the more valuable of an asset you are to the company.  I mean I don’t want to stay at L1/L2, I want to move up, become L3 and work on Complex Solutions.…

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Linux Personal

The Personal VPN Solution everyone must have…

Matthew 0 Comments

A few weeks ago I posted about how to make your own personal file cloud, using DigitalOcean and OwnCloud. I have since updates it with a new host called Vultr  which for the purposes of having a cloud is a bit better.  For the same $5 instead of 20GB of SSD storage, you can get 160GB of SATA storage. SATA of course is slower in speed, but you don’t need it for a cloud. The other difference is with DigitalOcean, they install it with Ubuntu 14.4 where Vultr uses CentOS 6.6.

I am now going to show you how to use the same server to install OpenVPN.  …

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Linux Personal Technology

The Personal Cloud Solution everyone must have…

Matthew 0 Comments

A short while ago I posted on Facebook about finding a personal cloud solution that gave me piece of mind.  Last year we saw Apple’s iCloud get compromised, showing us that using these kind of services to store our data might not be the best option.  How long till services like Google Drive and DropBox get compromised?  Both of which I have no quarrel with and have used for a very long time without issue… But at the same time I am putting the projection of my documents in someone else hands.

There are of course many solutions out there, like Western Digitals MyCloud which is definitely a better option, as it puts the cloud directly in your home.…

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