IT Infrastrucutre

For mission-critical systems no matter what task you need to perform (migration, troubleshooting, configuration or just a simple reboot), especially for the systems you are not dealing deeply on a day-to-day basis, it’s always good to capture current run-time parameters - this step alone can save you hours of troubleshooting... [Read More]

I was in need to compare 2 text files the other day with over 2k lines in each. I knew those should differ in just a couple of lines, but I had to be 100% sure that nothing is changed apart from those. The challenge though is that code blocks... [Read More]

Here’s list of criteria (prioritized) we use to evaluate solutions/services to assess them from operational operational perspective. For this to make sense in your environment you should select only those that apply, add missing items and review priorities. [Read More]

IT is about delivering solutions. Every company in today’s world have it’s own IT landscape. Small business can rely on just a few systems (perhaps outsourced or SaaS), large companies usually employ hundreds of systems with complex interdependencies. Technology, on the other hand, is developing at such a rapid pace,... [Read More]

Cost calculation those days is a mandatory skill for Sysadmins, as no IT project comes without cost. Here I will try to briefly explain what are main cost composition factors as well as less obvious ones. This should help you to discuss your next IT project with your shareholders and/or... [Read More]

Whether you’re responsible for a handful or a few hundreds of servers - you should use Configuration Management tool. Introduction Configuration Management tools are no-news for more than two decades now. CFengine pioneered the field in 1993 with Puppet and Chef following in 2005 and 2009 respectively with more solutions... [Read More]

Market for Network Monitoring solutions is over-crowded with offerings from multitude of vendors (both Open-source and Commercial). Solutions comes in different shapes and sizes but there’s still no ‘one size fits all’. As its hard to navigate this space for beginner (and in some cases even seasoned) Sysadmin in this... [Read More]