Category Archives: Linux

How to Install VirtualBox Guest Additions on Ubuntu 22.10

By | January 15, 2023

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 »

How to fix OpenVPN DNS Leak on Ubuntu

By | January 12, 2023

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 »

How to Benchmark Hardware on Linux with 7z LZMA Compression

By | November 28, 2022

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 »

How to monitor cpu power consumption in watts on Ubuntu

By | November 19, 2022

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 »