Tag: ubuntu

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 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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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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How to control brightness using function keys in Ubuntu / Linuxmint

Sachin Y.P. Sharma

Keywords: Brightness Control, Ubuntu ,Linuxmint My colleague was having issue with his HP laptop. He was not able to control the brightness of his laptop using function keys. Here are the steps to enable brightness control using function keys in Ubuntu and Linuxmint. To do that we need to edit GRUB configuration file. 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.…

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How to do URL Blocking / Content Filtering / Parental Lock

Sachin Y.P. Sharma

Keywords: URL Blocking ,Content Filtering, Parental Control Recently during some of my research work I came to know many times parents / individuals feel that some how they can do URL Blocking or Content Filtering for  some inappropriate data to be seen by children/users at home/office etc. Today’s routers are capable to fulfill this need. However I saw many queries how to do this. In my this post I will cover how to do URL Blocking or  Content Filtering. If you have an advanced router good.. 🙂 If no, don’t…

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Useful Linux/Ubuntu terminal commands with example

Sachin Y.P. Sharma

Keywords: Linux terminal commands, basic Linux commands   If you are a newbi, you’ll find following Linux commands useful. These commands will work with any Linux distro. 1. To list all files and directory -> Use ls a.) current location : ls b.) any other location: ls <location> $ ls $ ls /home/ 2. To change a directory -> Use cd Syntax: cd <location> $ cd /home/sachin/movies 3. To exit from a directory -> Use cd .. or cd \ $ cd .. $ cd \ 4. To remove a…

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Windows XP Troubleshooting

Sachin Y.P. Sharma

Keywords: Windows XP Troubleshooting, F8 is not working, CD/DVD is not working, Repair Windows XP 7 years back in 2005,When me and many of my friends bought the system when we were in 1st year of our engineering. From then till today I have helped my friends to troubleshoot their systems. My this post is dedicated to my all friends , who asked for my help and provided their systems for my experiments and having faith in me that their systems will be safe in my hand.. 😉 I hope this post…

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How to install tftp server in Ubuntu

Sachin Y.P. Sharma

In order to install a tftp server on Ubuntu, you have to download and install following packages: xinetd tftpd tftp Open a terminal window and type following command: $ sudo apt-get install xinetd tftpd tftp This will install tftp server in your system. Now we have to make some changes in order to use tftfp server. Create /etc/xinetd.d/tftp by giving the following command in terminal: $ sudo gedit /etc/xinetd.d/tftp This will open a file in gedit text editor, write following lines in this file: service tftp { protocol = udp…

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