Qemu+kvm is an excellent free virtualisation solution for linux host systems. It can run any gui operating system pretty much like virtualbox or vmware. KVM provides virtualised access to cpu and memory whereas qemu emulates other hardware components like disk drives. Together they provide a complete solution to launch a virtual machine that a user… Read More »
Wget Command ‘Wget’ is developed as a part of the GNU Project. You can use it to download/extract data and content from web servers. Its name is a combination of the “www” and the word get. It supports downloading over multiple protocols like FTP, SFTP, HTTP and HTTPS. Wget is written in c and can… Read More »
Inside your computer there is something called a USB Controller which is an IC chip that enables the system to use usb technology and transfer data across compatible devices. What are Internal HUBs and Internal Ports Now a USB Controller (inside the computer) is connected to an “INTERNAL HUB” (again somekind of ic chip) which… Read More »
Have you ever tried using Linux in Windows? If you do, then you need to use virtualization. Alternatively, you can do a dual-boot, which lets you use only one operating system at a time. Meet Windows Subsystem for Linux. This new Windows feature lets you access Linux directly from Windows. In this article, we’ll go… Read More »
So in this post we shall be doing some benchmark tests on a crucial internal ssd using an external usb enclosure. Enclosures are a great option to turn an internal ssd into and external portable ssd, or just connect an internal ssd on a different machine for data transfer. The ssd model used is: CT1000MX500SSD1… Read More »
I recently got a Asus TUF A17 Gaming laptop and started playing games like Fortnite and Forza Horizon on it. Using MSI Afterburner to monitor the performance, the thermals were not performing very well. The CPU temps stayed at peak levels of 94-95 C when playing fortnite with clock speeds at 4025+ Mhz. Though Ryzen… Read More »
So i recently got a seage one touch 5tb hdd to store my gameplay recordings. The exact model is this: STKZ5000401 In this post we shall be doing some speed tests on this drive to see how it performs. This is a usb connected external hdd, and uses USB 3.0 interface (which is also usb… Read More »
rsync (remote synchronization) is a command-line tool for transferring and synchronizing files and directories locally and remotely in Linux. In other words, rsync is used for transferring files and directories, creating backups, mirroring files, and transferring large files between two locations. rsync identifies the differences between the source and destination files and directories using its… Read More »
There are a lot of technical terms and specifications around wifi technology that affect the performance of your wifi device. You would encounter these commonly on the specs of a wifi router, laptop wifi specs, and smartphone wifi specs. Most of the time people only look at the broad branding terms like Wifi4 or Wifi5… Read More »
Curl (acronym for “Client for url”) is a powerful command line tool and library for transferring files between two hosts. It supports a variety of protocols, including HTTP, SMTP, FTP, and POP3. A few things we can do with the curl command include: download files upload files testing services and APIs setting up custom headers… Read More »
Surfshark is a popular vpn service provider that works natively on windows, macos and linux with a gui client app, and also has browser extensions for chrome and firefox. In this article we take a look at how the browser extensions of Surfshark vpn (and similar vpn providers) work under the hood. With the native… Read More »
Scanning for wifi networks will show you the ssids of all the wifi networks in your neighbourhood that your wifi adapter can detect or connect to. By default the gui network manager apps do this in kde and gnome desktop environments. However you can also scan the wifi networks from the command prompt. In this… Read More »
Aptitude Aptitude is the another command that can be used to manage packages from the commandline just like and apt-get. Aptitude is considered better and superior to apt-get for a number of reasons. One benefit of aptitude is that when removing a certain package, aptitude will remove all dependencies of that package as well, so… Read More »
DNF (Dandified Yum) is an RPM-based package manager capable of managing packages in Linux. Today, we’ll go through 20 DNF command examples. These examples will teach you how to manage packages with ease. You can use DNF to install and update packages. It is a popular package manager and comes pre-installed as the default package… Read More »
fdisk (fixed disk or format disk) is a command-line utility for creating and managing disk partitions in Linux and other Unix-based systems. In other words, fdisk is a command used to create, view, modify, and delete partitions on a hard drive. fdisk works by making changes to the disk’s partition table. The partition table stores… Read More »
What are Linux logs? Linux logs are a critical component of the OS that gives a snapshot of everything that has been happening in the system. It helps in tracking events within the system such as process initiation/failure, errors in running applications, login failures, boot-up process etc. They are essential for debugging running applications, tracking… Read More »
Lets say you have a wifi adapter on your linux machine whether a laptop or desktop and wanted to check what wifi standards (4/5/6) that are supported on it. One simple way is to check the model of the wifi adapter and lookup the specs online and get all technical details about. The other way… Read More »
Sometimes, we want to run Ubuntu in live mode and test a few programs or commands that need to be installed first. Ubuntu supports installing packages in a live session in the same way as in a fully installed setup. However, when trying to install package in a live session, often times the following error… Read More »
Performance metrics are numbers that measure different aspects of the working state of a cpu and reveal useful diagnostic information. These include cpu usage, clock speed, power consumption, temperature etc. There are many more but for simplicity we shall be focusing on these ones in this article. The metrics can be monitored using tools like… Read More »
1% Low FPS and why it matters 1% Low FPS indicates the worst frame generation times that can cause stuttering if they are way lower than the average fps. Low 1% FPS can arise out of a number of reasons like hardware bottlenecks or some kind of poor configuration that holds back the system from… Read More »