Initially, Docker was used as a Linux containerization tool. Support for other environments such as Windows and MacOS was added later. In this post, let us take a look at how to install Docker in the Linux platform and how to create the Docker images. Installation of Docker at Linux (Ubuntu or similar) machine Installation …
In this post, we are continuing with the commands that are used for Linux system administration. How to change the hostname 1) [For RedHat and Centos] Using a text editor open the file /etc/sysconfig/network and Modify the HOSTNAME= value to match your server’s new name
|
1 |
# sudo gedit /etc/sysconfig/network |
Sample entry after editing:
|
1 2 3 4 |
$ cat /etc/sysconfig/network NETWORKING=yes NETWORKING_IPV6=no HOSTNAME=ibmppc1.example.com |
2) Run the below …
Astronomers have discovered a massive exoplanet, named KELT-9b, that is hotter than some of the stars. With a day-side temperature of more than 7,800 degrees F. (4,316 degrees C.), it is only about 2,000 degrees F. (about 1,000 degrees C.) cooler than our sun. This newly discovered planet is three times larger than Jupiter. It orbits a …
On June 5, 2017, the Indian Space Research Organisation (ISRO) launched its first Geosynchronous Satellite Launch Vehicle Mark III rocket from India’s Satish Dhawan Space Centre Sriharikota. It marked India’s heaviest and most powerful launch to date. The GSLV Mark III rocket was used for launching a massive communications satellite GSAT-19 into orbit. The rocket’s main …
India’s heaviest and most powerful rocket launched Read More »
Linux System Administration involves procedures and tasks that are required to keep a computer system up and running and in usable order. Usually, it includes : installing new programs creating / deleting user accounts ensuring file system is not corrupted taking backups and restoring the backup when required monitor system resources, users, status of critical …
Linux Commands for System Administration – Part 1 Read More »
Intel has officially released the new core i9 (Skylake-X) and Kaby Lake-X processors earlier this week as part of its Core-X family. Processors range from the “lowly” $242 Core i5-7640X to the monster Core i9-7980XE, which is priced at $1,999. The core i9 series provides huge performance gains, with Intel claiming up to 10 percent …
Intel’s New Flagship Core i9 Processors Launched Read More »
Linux Kernel 4.10, code-named Anniversary Edition, has been released by Linux Torvalds. This supports new hardware and also comes with many new features. The most significant improvement is the support for virtual GPU such as Intel GVT-g for KVM (KVMGT), which is a full GPU virtualization solution with mediated pass-through. As per Kernelnewbies, “The capability …
Docker has gained popularity among DevOps teams recently due to its efficient and straightforward usage of containerization technology. Let us take a brief look at Docker in this post. There will be few additional posts in continuation of this, where we will discuss few additional details. What is Docker ? Docker is a tool that automates …
Opera has released a new version, code named ‘Reborn’, with provision to launch WhatsApp, Telegram and Facebook Messenger from the sidebar. The Norwegian browser maker (acquired by a Chinese tech company in 2016), has announced that the latest version of its browser is adopting some messaging features from Neon, an experimental version of Opera. The new …
Opera’s new release has built-in sidebars for WhatsApp, Telegram and Messenger Read More »
Microsoft HoloLens, is a pair of mixed reality smartglasses developed and manufactured by Microsoft. HoloLens gained popularity for being one of the first computers running the Windows Mixed Reality platform under the Windows 10 operating system. Since the HoloLens was introduced, Microsoft has pitched it as both a gaming peripheral and a practical assistant in …
