Mission Statement
Linux was made to be free and open. Linux was made to be free and open. The idea is, an individual working with a piece of software should be allowed to view, edit, and share its source code without legal consequence. The free software Movement was largely the brainchild of Richard Stallman. Having been a […]
Check if system (RHEL/CENTOS )is UEFI or BIOS
Please run the following script to find out if your system is UEFI or BIOS #!/bin/bash [ -d /sys/firmware/efi ] && fw=”UEFI” || fw=”BIOS” echo -e “$fw” if [ “$fw” == “UEFI” ] ; then mygrub=’/boot/efi/EFI/redhat/grub.cfg’ echo -e “\n\tUEFI detected, this is a ($fw) system., and the boot config is located at ($mygrub)” else […]
Yum Update hung or ssh disconnected during yum update
Yum gives error: “There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them” Environment: Red hat / CentOS 5-6-7 Issue While updating the system using yum it throws an error: “There are unfinished transactions remaining. You might consider running yum-complete-transaction first to finish them”. yum update interrupted and yum-complete-transaction […]
How to use yum to install RPMs required, for offline use?
Here is an example using “ffmpeg” as the package to download. I have tested the process on both Red Hat and CentOS 6.? Install all the required package for the download process. # yum install yum-plugin-downloadonly yum-utils createrepo # mkdir /var/tmp/ffmpeg # mkdir /var/tmp/ffmpeg-installroot Note: The installroot is for the metada that will allow the […]
What is Cloud Computing and Why Should You Care?
What Is Cloud Computing? Cloud computing is a computing model that lets you access software, server, and storage resources over the Internet, in a self-service manner. Instead of having to buy, install, maintain and manage these resources on your own computer or device, you access and use them through a Web browser. Sometimes you might need […]
Linux Interview! what to know
Common administrative commands in Red Hat Enterprise Linux 5, 6, and 7 System basics Task RHEL5 RHEL6 RHEL7 View subscription information /etc/sysconfig/rhn/systemid /etc/sysconfig/rhn/systemid subscription-manager identity subscription-manager identity Configure subscription rhn_register subscription-manager 1 rhn_register rhnreg_ks subscription-manager subscription-manager2 rhn_register 3 View RHEL version information /etc/redhat-release View system profile sosreport dmidecode hwbrowser sosreport dmidecode lstopo lscpu Basic configuration Task RHEL5 […]
Beginner Linux Users: Don’t Be Scared of the Terminal
The Terminal Is Optional Whether you want to install software, configure your network, or tweak other system settings, you can do it from the terminal – but you can also do it from the graphical interface. Most settings you would want to change are easily accessible in the standard graphical control panels. If you have […]
Open Source AI Tools
In open source, no matter how original your own idea seems, it is always wise to see if someone else has already executed the concept. For organizations and individuals interested in leveraging the growing power of artificial intelligence (AI), many of the best tools are not only free and open source but, in many cases, […]
The way Entrepreneur Elon Musk Is Changing the World
The super-fast “Hyperloop” travel concept is just the latest in a series of big, bold dreams by billionaire entrepreneur Elon Musk. Musk unveiled his proposed Hyperloop transportation system Monday (Aug. 12), claiming that it could blast passenger-packed pods through long tubes at about 760 mph (1,220 km/h) using energy derived from the sun. The Hyperloop is potentially […]
20 Practical Ruby Loop Command Examples – For, Each, While, Until
Some operations in computer programming are best served with a loop. A loop is the repetitive execution of a piece of code for a given amount of repetitions or until a certain condition is met. We will cover while loops, do/while loops, and for loops. In Ruby programming language, on a very high-level, the following […]
What are Quantum computers and how do they work? WIRED explains
Google, IBM and a handful of startups are racing to create the next generation of supercomputers. Quantum computers, if they ever get started, will help us solve problems, like modeling complex chemical processes, that our existing computers can’t even scratch the surface of. But the quantum future isn’t going to come easily, and there’s no […]