In this article we take a quick look at testing wifi throughput over lan using a simple tool called iperf. Wifi lan speed matters when you are transferring large files across devices. For example transferring a big video or zip file from ipad or smartphone to desktop pc connected on ethernet. Wifi speed is not… Read More »
After you install Ubuntu inside VirtualBox its necessary to install guest additions in order to enable enhanced features like native screen resolution, seamless windows, shared clipboard, shared folders and few others. Without it, you would probably have to work with a standard resolution like 1024×768 as the default virtual machine does not support every possible… Read More »
OpenVPN OpenVPN is open source, secure and robust. It is readily available for most platforms and can be setup quickly. The SurfShark native client also uses OpenVPN underneath. It supports both tcp and udp based wrappers for vpn traffic over internet. UDP is significantly faster than tcp and works really well. There are multiple ways… Read More »
DNS Leak DNS Leak is commonly seen in vpn connections, when all the http traffic goes through the vpn tunnel, however the dns queries go directly to system/isp dns servers bypassing the vpn tunnel, which breaks the privacy protection offered by the vpn. Unless dns leaks are fixed, you are not fully privacy guarded in… Read More »
The 7z LZMA benchmark runs dummy compression and decompression tasks to measure the overall performance of the system. It reports measurements in MIPS (million instructions per second) which give an idea of the computer’s raw processing power counting all factors. 7z LZMA compression is a multi-threaded work-load. This means that it can utilise multiple cores… Read More »
Sysbench is a command-line tool that is designed to test and benchmark database performance, but with certain options it can also be used to run tests to measure the raw performance of cpu, ram and storage devices as well. These tests can give a brief and fairly accurate assessment of the system’s performance. In this… Read More »
What are UEFI and BIOS These are specifications that describe and define how the system firmware should work to initialize the hardware and load the OS. In old systems we had the IBM PC “derived” BIOS implementations. Its the blue screen interface that you enter by pressing the Del/F2 keys just AFTER system power has… Read More »
In a pervious article we discussed about the important cpu performance metrics like usage, temperature, power and clock frequency. In this article we shall take a look at various methods of monitoring the same on Ubuntu or similar linux distros. There are quite a few commands on linux for monitoring cpu metrics. If you just… Read More »
So recently I was looking for a command to check the live power consumption of cpu in watts. I tried different commands like powertop, powerstat, lm-sensors but none of them worked properly. lm-sensors did show the temperatures of individual cores of the cpu, but could not display the watts being consumed in realtime. Other commands… Read More »
So I recently bought the Acer Aspire A515-45 Ryzen 5 5500U laptop. This laptop will be used for regular tasks, like web browsing, watching youtube videos, editing documents, blogging, taking notes etc. I checked quite a few laptops from other brands as well including Lenovo, MSI and Asus. Finally settled for this one for some… Read More »
A good pair of headphones is a must-have for any gamer who desires an immersive gaming experience either on their laptop, smartphone, or game console. Now, finding the perfect headphones for you depends on several factors, including your lifestyle, preferences, and budget. However, some things you must consider before you get a pair of headphones… Read More »
Most standard laptops for office and professional use are equipped with displays with 60/75 Hz refresh rates. However when it comes to gaming, 60-75 Hz refresh rate is just not enough specially for first person fast shooting games like Fortnite, Valorant etc. So gaming laptops started providing higher refresh rates like 120Hz, 144Hz, and 165Hz…. Read More »
Laptops with 4K displays are among the latest trends in the portable tech industry in 2021. Compared to its predecessor, the 1080p or Full High Definition, 4K display is exactly four times the pixel count. Backed with powerful CPUs like 10th/11th gen i7 and GPUs, these new laptops can support resolutions of 3840×2160 pixels also… Read More »
A gaming laptop with a 6GB graphics card will not only enable you play AAA+ game titles like Fornite, Battlefield 5, Forza Horizon 5, Call of Duty with highest graphics settings, but will also allow you to stream or record your game play if you wish to. The latest gpus that come with 6GB or… Read More »
Sometimes users have tasks that require running a whole new OS on their current machine’s operating system. This is where virtualization comes in, and with various programs, you can do just that. If you are using Oracle VirtualBox, VMWare or any other virtualization application run other operating systems on your existing system, then you need… Read More »
So this is my second laptop this year, and I was specifically looking for a gaming laptop with moderately high-end specs. There are many options available from brands like Acer, Asus, HP, Dell, Lenovo. The Asus TUF and Acer Nitro series caught my attention. I decided to go with the Asus TUF A17, as it… Read More »
The RTX 3080 series of gpus from nvidia are amongst the most powerful ones based on the new Ampere architecture and with advanced features like Ray Tracing, DLSS. With the RTX 3080 gpu on a laptop you are sure to get high fps in games, and be able to run heavy tasks like 3d modelling… Read More »
Fortnite is an online action battle royale-style RPG where players compete for survival to win matches. It is one of the most popular games in the world, with a huge following and lots of players. The best thing about it is that it does not have huge system requirements to play. According to the publisher,… Read More »
A few months back I was looking for a new laptop to use for blogging and writing tasks. I was looking for very specific hardware requirements. The laptop should be LIGHTWEIGHT, but with powerful hardware and LONG battery running time. For the monitor size I decided to go for 14″ since 15.6″ would be full… Read More »
Encrypting a usb drive is an excellent idea for ensure that your data is safe and secure. If you are storing business data or any kind of personal sensitive information in a usb drive, its important to keep it safe it from hackers and snoopers. Or if you accidentally loose your usb drive then you… Read More »