Author: Sachin Y.P. Sharma

[SOLVED] No Wi-FI Adaptor Found Ubuntu 18.04 19.04 19.10

Sachin Y.P. Sharma

Keywords: Realtek, RTL823, WiFI, Ubuntu 18.04, Ubuntu 19.04, Ubuntu 19.10, DKMS, HP, rtl8192ce, rtl8192cu, rtl8192se, rtl8192de, rtl8188ee, rtl8192ee, rtl8723ae, rtl8723be, rtl8821ae, rtl8822be, rtl8723de If you are having a HP laptop and facing issue regarding WiFi adaptor not found, then it might be due to absence of Realtek WiFi driver. If you have installed Realtek WiFi driver in past and it’s gone now after kernel update or upgrade, then you have to reinstall them using DKMS method. DKMS stands for Dynamic Kernel Module Support support. And it will work in each kernel on your system. You need to manually download…

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Install and Configure dnsmasq in Ubuntu 18.04

Sachin Y.P. Sharma

Keywords: Install dnsmasq, Ubuntu 18.04, DNS, DHCP Follow the steps mentioned in this post to install dnsmasq in Ubuntu 18.04 LTS.  Step 1. Free port 53 to use with dnsmasq Ubuntu 18.04 uses systemd-resolve service that is bind with port 53. Execute following commands to disable and stop this service.

Remove the symlinked file and remove old /etc/resolv.conf file. Before removing old file, make a backup copy in case something goes wrong.

Step 2. Create a new “resolv.conf” file Execute following command to create the file with required…

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Install OpenCV C C++ in Ubuntu 18.04 LTS : Step by Step Guide

Sachin Y.P. Sharma
Install OpenCV in Ubuntu 18.04

Keywords: OpenCV, Ubuntu OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning software library. OpenCV can be used to detect and recognize faces, identify objects, classify human actions in videos, track camera movements, track moving objects etc. To know more about OpenCV visit OpenCV.org Please follow steps mentioned in this post to install OpenCV in Ubuntu 18.04 (LTS). All the terminal commands are summarized in the end of the post and you can access the same by clicking  here. Step 1. Update the Ubuntu…

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Install STM32Cube IDE in Ubuntu/Linux Mint : Step by Step Guide

Sachin Y.P. Sharma

Keywords: Install STM32Cube IDE, Ubuntu/Linux Mint Installing popular latest STM32Cube IDE in Ubuntu/Linux Mint is very easy. Please follow the steps to install STM32Cube IDE in Ubuntu/Linux Mint. I have performed these steps to install STM32Cube IDE version 1.3 on Ubuntu 18.04(LTS). Step 1. Download the STM32Cube installer package from STM32Cube IDE Download.   Step 2. Go to Download directory and extract the installer package. Open the terminal and run the command: $unzip st-stm32cubeide_1.3.0_5720_20200220_1053_amd64.deb_bundle.sh.zip If you encounter the error regarding “unzip” command not found, then install it by using below command.…

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Install Java 9 in Ubuntu 16.04 / Linux Mint using PPA

Sachin Y.P. Sharma

Keywords: Install Java 8/9, Ubuntu/Linux Mint, PPA, Java Version Installing Java 8/9 in Ubuntu/Linux Mint through PPA is very easy. Please follow the steps to install Java 8/9 in Ubuntu/Linux Mint. I have performed these steps to install Java 9 64-bit version on Ubuntu 16.04(LTS).  You can install Java 8 also following same steps. The PPA used in this post is being maintained by webupd8team. Step 1:  Add the PPA from webupd8team  Open the terminal and run the command: sudo add-apt-repository ppa:webupd8team/java Step 2: Update the Ubuntu System Package Run…

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Install TeamViewer in Ubuntu 16.04 using command line/terminal

Sachin Y.P. Sharma

Keywords: TeamViewer, Ubuntu, command line, dpkg command, terminal Recently I needed to install the TeamViewer in my Ubuntu 16.04 machine.  I downloaded the latest 64-bit version of TeamViewer from TeamViewer web-site. I tried to install TeamViewer using Ubuntu’s graphical installer “Ubuntu Software Center” many times but it keep getting failed without displaying any error. If you are facing the same problem then you can install the TeamViewer through command line. Please follow the below steps to install it. Open terminal (command line) window and run the following command. sudo dpkg…

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Startup Disk Creator : Create Bootable USB Disk in Ubuntu From Ubuntu

Sachin Y.P. Sharma

Keywords: Startup Disk Creator, Download Ubuntu, Bootable USB Disk, Ubuntu ISO, Make Startup Disk, Pen Drive, Flash Disk, Install Ubuntu, Upgrade Ubuntu, UNetbootin Making a bootable USB disk / pen drive/ flash disk is not a difficult task. If you have a Linux distro pre-installed like Ubuntu you can do it easily using “Startup Disk Creator”. This comes pre-installed with Ubuntu. Advantages of having Ubuntu USB disk handy: Windows not working then you can take backup of your data Install or upgrade Ubuntu Enjoy or test Ubuntu experience without installing…

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How to Move WordPress.com Blog to WordPress.org Blog or Self-Hosted Domain

Sachin Y.P. Sharma

Keywords: WordPress.com,WordPress.org,Blog How to move WordPress.com blog to WordPress.org blog or self-hosted blog- Well this was my very first concern when I decided to host Techawarey on its own domain. Initially I thought it will be very difficult but eventually find out that it’s not. Now after moving my WordPress.com blog to my current domain I thought I should share the same information with follow bloggers. The checklist before we start: You have purchased a domain You have installed the WordPress If you have not yet purchased a domain and…

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How to install Apache OpenOffice in Ubuntu/Linuxmint/Debian derivatives

Sachin Y.P. Sharma

 Keywords: Apache OpenOffice, Ubuntu, Linuxmint OpenOffice is one of the most popular, open-source, cross-platform, Office Suite, available for Linux, Windows and Mac OS X systems. Nowadays Ubuntu/Linuxmint comes with Libreoffice pre-installed. So if you need to use Openoffice you have to install it manually. Appache OpenOffice is not available via any repository or PPA, we have to download the. deb packages from sourceforge and install it using  dpkg command. Please follow the below steps to download and install the Apache OpenOffice. Steps to install Apache OpenOffice on 64-bit Ubuntu, Linuxmint and…

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How to install Microsoft fonts in Ubuntu/Linuxmint

Sachin Y.P. Sharma

Keywords: Microsoft fonts, Ubuntu ,Linuxmint A fresh installed Ubuntu/Linuxmint system does not have Microsoft fonts installed. If you need Microsoft fonts for your documentation you have to install them. Follow given steps to install Microsoft core fonts in Ubuntu and Linuxmint. Below method has been tested with Ubuntu 12.04, Ubuntu 14.04 and Linuxmint 17 and Linuxmint 17.01. I hope this will work with other Linux distributions also. Step: 1 Open a terminal and type following command and enter. $ sudo apt-get install msttcorefonts After enter it will ask for your…

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