Limit CPU usage of Linux process

cpulimit is a small program written in C that allows to limit CPU usage by Linux process. Limit is specified in percentage so it’s possible to prevent high CPU load generated by scripts, programs or processes. I found cpulimit pretty useful for the scripts running from cron, for example I …

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Geolocation for Nagios

Some time ago I came across NagMap addon for Nagios and found it pretty helpful for monitoring multiple hosts around the world. For example, there are some production servers in Europe, US and others in India and New Zealand and it’s much better see their states on the map rather …

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Top 5 Password Managers for Linux

In this post you will find set of password managers for Linux which provides secure storage for your passwords for sensitive data. If you still keep the passwords in plain text then you must consider one of available password managers so this article is for you. KeePassX KeePassX has been …

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Grub Fallback: Boot good kernel if new one crashes

It’s hard to believe but I didn’t know about Grub fallback feature. So every time when I needed to reboot remote server into a new kernel I had to test it on local server to make sure it won’t panic on remote unit. And if kernel panic still happened I …

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Why Mosh is better than SSH?

Mosh (stands for Mobile Shell) is replacement of SSH for remote connections to Unix/Linux systems. It brings a few noticeable advantages over well known SSH connections. In brief, it’s faster and more responsive, especially on long delay and/or unreliable links. Key benefits of Mosh Stays connected if your IP is …

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Top 20 Best Free JavaScript Frameworks for Web Developers 2016

  JavaScript is growing fast, it’s becoming more native, but most importantly — it’s becoming more stable. The number of web development frameworks that have come into the JavaScript sphere in the last years has really boomed, and many of the frameworks have already established huge communities around them, Angular, …

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Reliance Jio 4G full services from 5th September: Here is all you need to know

Reliance Jio is set to roll out its full-fledged 4G services in India on September 5th. This means that Jio services will be open to all smartphone brands, which were not under its umbrella earlier. Though Reliance Industries Limited (RIL) opened its 4G service to most brands like Samsung, LG, …

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Amazon Unveiled Its Delivery Drone | Prime Air

Amazon unveiled a prototype drone that could one day deliver packages to online shoppers’ premise just minutes after they press the “buy” button. The new drone, or unmanned aerial vehicle (UAV), was created for Prime Air, a same-day delivery service that Amazon first announced in 2013. The company said that its …

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Google’s 360 Degree Virtual Reality Puts You in the Middle of Symphonies and Plays

On Tuesday, the Google Cultural Institute announced a new partnership with 60 performing arts institutes around the world to bring a 360-degree virtual, live performances to on-line audiences. Think of it as Street View, but instead of buildings or shopping complexes, you get to view performances from the American Ballet …

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50 Most Common CSS Problems

For those who are new to web development, here are some most common CSS problems answered. What are Cascading Style Sheets (CSS)? CSS is a style sheet language used to describe/style the design elements of a websites such as the layout, color, font style, font size, etc. It allows multiple pages …

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