This article will help you to create swap space on your ubuntu system after installation. How to Add Swap in Ubuntu Follow the below steps to create and enable Swap memory on your Ubuntu system. 1. Check Current Swap Before working make sure that the system has already swap enabled. If there is no swap, you will get the output header only. 2. Create Swap File Let’s create a file to use for swapping in the system of the required size....
CentOS 8 is the latest available Linux operating system from the CentOS team. The desktop provides an attractive GUI for working with it. You can either use the command prompt to check the current IP address on your system or use a GUI option to view the local IP address on your system. Follow this tutorial to configure new IP on CentOS 8 desktop system. Method 1 – Check IP via Command (CentOS 8) Open a command terminal by pressing CTRL + ALT + T on your CentOS system....
Prerequisites Before you can install OpenVPN Client on Ubuntu, you’ll need to make sure you have the following: The latest version of Ubuntu is installed on your computer. A reliable internet connection. An OpenVPN configuration file, which you can get from your VPN provider. A working VPN account. Once you have all the prerequisites in place, you’re ready to start installing OpenVPN Client on Ubuntu. Step 1 – Installing OpenVPN Client on Ubuntu Installing OpenVPN Client on Ubuntu is relatively easy....
The server in NFS implements NFS daemon processes so that the files are shared with the clients and clients can access the shared data in their local machine as a local storage file. The server holds the rights and permissions over the shared file and can give full access or half access to the client depending on him/her. NFS server can be installed on almost all the major operating systems however In this article, we will install and configure an NFS server on Ubuntu 20....
This tutorial will help you to install ffmpeg on Ubuntu 20.04 LTS Linux system. Prerequisites You must have shell access with sudo privileged account access on your Ubuntu 20.04 system. It is an good idea to keep your system packages update ot date. So, login to your system and update current packages on your system. Install FFmpeg on Ubuntu 20.04 The Ubuntu 20.04 LTS contains ffmpeg debian packages under the default repositories....
Step 1 – Installing NRPE NRPE is available under default apt repositories of Ubuntu systems. Execute the following command to install it Step 2 – Configure NRPE In NRPE configuration, first we need to nrpe to which nagios servers it accepts requests, For example your nagios server ip is 192.168.1.100, then add this ip to allowed hosts list. Edit NRPE configuration file /etc/nagios/nrpe.cfg and make changes like we can add more Nagios servers in allowed hosts by comma separated list....
You can install multiple PHP versions on Ubuntu system and then switch PHP version as per your requirements. You can also configure Apache to run PHP web applciation’s with different-2 PHP versions. Prerequsities You must have sudo or root privileged account access on Ubuntu 20.04. First of all, open a terminal and update the current packages with the following commands: Installing PHP on Ubuntu 20.04 PHP installation on Ubuntu systems is pretty straightforward....
Step 1 – Prerequisites This Python installation required the GCC compiler on your system. Login to your server using ssh or shell access. Now, use the following command to install prerequisites for Python before installing it. Read: How to Use SSH to Connect Remote Linux Server Step 2 – Download Python 3.7 Download Python using the following command from the Python official site. You can also download the latest version in place of specified below....
The default yum repositories provides Python 3.6 packages to install on CentOS 8 systems. So this article will help you to install Python 3.7 by compiling source code on CentOS 8 and RHEL 8 Linux systems. Prerequisites Login to your CentOS 8 system with root or sudo privileged account. Desktop users open a terminal on your system. Then use the following command to install required development libraries for Python before installing it....
You may like: How to Import and Export Docker Containers? How to Create, List and Delte Docker Containers? Docker Remove Unused Objects Log in to the Docker host and open the command prompt. Then execute the following command to remove stopped container, dangling images, and all the unused networks. The default command will prompt for the confirmation. Press ‘y’ to continue. To ignore the confirmation prompt use the -f or –force flag like below To remove all unused images (not only daggling one) use –all or -a flag with prune command....
If you are on MySQL command prompt and need to execute all SQL queries contained in SQL file. You can simply do this by using source option to load any .sql file on your MySQL database. This executes all SQL queries available in a text file on selected database. For example, you have a database schema file schema.sql to load on the database. Now login to MySQL server and select database....
Change Username and Email for Single Repository Git command line utility allowed to us to configure identity for your Git repository. Git keeps all the repository specific configurations under the “.git” directory. The conflagration’s are keep under .git/config file. To configure git username and email address for the repository, first switch to the repository directory. Then configure Git username and email address with the following commands: Make sure to change name and email address with your details....
This tutorial will help you to install the LightDM display manager on the Ubuntu Desktop system. Installing Lightdm on Ubuntu LightDM packages are available under default apt repositories. You can install lightdm on Ubuntu by running the following commands. Configure Lightdm as Default Display Manager Once the lightdm is installed on your system. You need to run the following command to set lightdm as the default display manager on your Ubuntu system....
Convert String to Lower Case In the Python programming language you can use the lower() method to convert any string to lower case. Here is the sample Python code to convert string to lowercase. Suggested reading Some more examples of string conversions in Python. Convert String to Uppercase in Python Python Convert String to Lowercase
Python Script to Create CloudFront Invalidation Boto3 is the AWS SDK for the Python programming language. It allows Python developers to write programs that makes use of services like CloudFront, S3 and Ec2 etc. First, you need to install Boto3 Python library based on the Python version installed on your system. We recommened to use Python 3 to run below scripts. Next, create a Python script with the following content....
The default wget download files under the current working directory. In this tutorial, we will describe you to how to download files to a specific directory using wget. Using wget -O Option Use -O or –output-document=FILE option will truncate FILE immediately, and all downloaded content will be written to FILE. Here the wget -O FILE http://path is intended to work like wget -O - http://path > FILE; For example: The above command will download the remote ISO file with the Wget command and save it as /tmp/Ubuntu....
This how-to guide will help you to change the screen resolution of an Ubuntu VM in Hiper-V. This also allows you to run Ubuntu VM in full-screen mode in Hiper-V. Changing Screen Resolution in Hyper-V Ubuntu VM Follow the instructions to change the screen resolution of an Ubuntu VM in Hyper-V: Once the system is rebooted, log in to the Ubuntu desktop and change to full screen. You will see the Ubuntu desktop open in full screen....
This article explains different ways to compare strings in Bash and several related commands. String Comparison Operators We can use comparison operators with bash if statements to compare two strings. Here is the list of comparison operators to work with strings in the bash shell. Now, we will discuss the above comparison operator one by one with examples. Compare Two Strings in Bash (==) If you need to check if two strings are equal, use the == operator....
Download Manjaro Use the below download links to Manjaro ISO images from its official download page. You may also visit Manjaro Linux download page to check for latest available version. Manjaro XFCE – 64-bit Manjaro GENOME – 64-bit Manjaro KDE – 64-bit Manjaro Architect – 64-bit
In newer versions of hadoop command is deprecated. You can use hdfs command instead of hadoop. For example: You must run hadoop fsck so sort out any inconsistencies created in the hdfs due to above command.
