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Linux iotop: Check What’s Stressing And Increasing Load On Your Hard Disks
The iotop command is top like utility for disk I/O. It watches I/O usage information output by the Linux kernel (requires v2.6.20 or later) and displays a table of current I/O usage by processes or...
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Why Valve Wants to Port 2500 Games on Linux?
Gabe Newell is the co-founder and managing director of the video game development and online distribution company called Valve Corporation. He want to port 2500 game titles on Linux. But, why? First,...
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ls* Commands Are Even More Useful Than You May Have Thought
Everything is a file under Linux and ls* and friends can help you to dig out more information from the system than you originally thought.Read more: "ls* Commands Are Even More Useful Than You May Have...
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Shutter: The Ultimate Linux Screenshot Program
Shutter is a free, open-source, and feature-rich screenshot tool for GNU/Linux distributions. I use this tool frequently when I am creating resources for this site or for our youtube channel and it has...
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Top 30 Nmap Command Examples For Sys/Network Admins
Nmap is short for Network Mapper. It is an open source security tool for network exploration, security scanning and auditing. However, nmap command comes with lots of options that can make the utility...
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Goldendict: A Feature-rich Dictionary Lookup Linux Program
Goldendict is a cross-platform (Linux/Unix/MS-Windows/Apple OS X) and dictionary lookup app written in QT. This application support of multiple dictionary file formats. The program can search...
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Amazon Cloudfront Dynamic Content Delivery With A WordPress Blog
A typical Wordpress blog contains a mix of static stuff such as images, javascript, style sheets and dynamic content such as posts, pages and comments posted by users. You can speed up your blog by...
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Solaris / Linux: nicstat Command Show Network Interface Card Statistics
The nicstat command is top like utility for network interface card (NIC). It displays information and statistics about all your network card such as packets, kilobytes per second, average packet sizes...
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Download of the day: Half-Life 2 For Steam on Linux
The first-person shooter Half-Life 2 released for Steam on Linux. I truly enjoyed Counter Strike, and I am going to install Half-Life 2 this weekend.Read more: "Download of the day: Half-Life 2 For...
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Linux and Unix nload App: Monitor Network Traffic and Bandwidth Usage In Real...
If you want to monitor network throughput on the command line interface, use nload application. It is a console application which monitors network traffic and bandwidth usage in real time. It...
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Download of the day: Ubuntu Linux 14.04 LTS CD / DVD ISO
Ubuntu Linux version 14.04 LTS (code named "Trusty Tahr") has been released and available for download. Ubuntu Linux is a community-based Linux distribution. The latest release of Ubuntu brings the...
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Linux Tutorial: Install Ansible Configuration Management And IT Automation Tool
Today I will be talking about ansible, a powerful configuration management solution written in python. There are many configuration management solutions available, all with pros and cons, ansible...
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Collecting Ubuntu Linux System Information
For new computer or Laptop or server, I need to collect the information about its hardware. This is also useful when you need to replace a disk or memory with a vendor. In order to replace hardware you...
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Display Awesome Linux Logo With Basic Hardware Info Using screenfetch and...
Do you want to display a super cool logo of your Linux distribution along with basic hardware information? Look no further try awesome screenfetch and linux_logo utilities.
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Rollback an apt-get upgrade if something goes wrong on Debian / Ubuntu Linux
Rolling back to the previous version may solve the problem or free the disk space. Both CentOS/RHEL support rollback feature, but I learned hard way both Debian and Ubuntu does not support rollback...
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Accessing Internet from cloud VM when you have only private network enabled
We have a couple of virtual servers hosted with Softlayer for processing data and backup purpose. The public interface is completely turned off i.e. no Internet access. We can only access VMs using a...
View ArticleHow to speed up OpenSSL/GnuPG Entropy For Random Number Generation On Linux
Entropy is nothing but the measure of "randomness" in a sequence of bits. The PRNG ( pseudorandom number generator ) is a special device (e.g. /dev/random on Linux) to create randomness from server...
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System76 brings 4K display Ubuntu Linux laptop for Pro users
Finally, some good news for Apple fans who crashed System76 website a few days back. Apple makes a good laptop. However, they lack the option to add additional RAM or ports or graphics card. The new...
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Talos Secure POWER8 Linux Workstation With Fully Open Source Firmware
Raptor Engineering is working and crowdfunding a high-end power8 based desktop computer with zero proprietary firmware blobs in the Talos Secure Workstation. Traditionally IBM, Oracle(Sun), Intel/AMD...
View ArticleTip: How to start OpenVPN server when systemd based service start to refuse...
For some weird reason, I can not get my OpenVPN server to come up at boot time using systemd on an Ubuntu Linux 16.04 LTS server. I have tried a few settings but failed so far.
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