Category Archives: Linux (Ubuntu)

2 awesome open source apps to share your terminal over the web

2 awesome open source apps to share your terminal over the web
Want to share your terminal over the web for demo, learning or collaboration purpose? Try these two applications to share your terminal as a web application.
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How to install xfs and create xfs file system on Debian/Ubuntu Linux

How to install xfs and create xfs file system on Debian/Ubuntu Linux

I recently switched to a Ubuntu/Debian Linux server from a CentOS/RHEL 7.x. How do I install mkfs.xfs command on a Debian/Ubuntu Linux server? How do I create and manage file XFS file system on a Ubuntu or Debian Linux LTS server?
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userdel: user vivek is currently used by process 749 error and fix on Linux

userdel: user vivek is currently used by process 749 error and fix on Linux

I am trying to delete a user named vivek using the userdel command as follows

userdel -r vivek
userdel: user vivek is currently used by process 749

How do I fix this problem and delete username vivek on a Debian Linux 9.x server?
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How to find bash shell function source code on Linux/Unix

How to find bash shell function source code on Linux/Unix

I am a new Linux server user. I cannot figure out how to find out the source code of a bash function named foo() which is defined. How to locate the file where a bash function is defined and how to view the source code of foo() from shell prompt itself?
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How to Install and Configure Askbot with Nginx on CentOS 7

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How to Install and Configure Askbot with Nginx on CentOS 7
Askbot is an open source software for creating Q&A forums based on Python Django Framework. It’s basically a Q&A system like StackOverflow, Yahoo Answers, and others. In this tutorial, we will show you how to install Askbot Python Django application using uWSGI and Nginx web server on CentOS 7 system.

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How to Install WebERP On Ubuntu 16.04

Zabihah Halal Vitamins
How to Install WebERP On Ubuntu 16.04
WebERP a complete web based accounting and business management tool that can be used for online shop or a retail management system released under an OpenSource license. In this tutorial, I will show you step by step how to install WebERP on Ubuntu 16.04 server.

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How to find and replace text/IP address with Ansible

How to find and replace text/IP address with Ansible
I need to find an IP address in the sshd_config file and replace with a fresh one for over 100+ VMs. How do I use Ansible to do so? Is it possible to search replace single string or IP address? Yes, you can use the following Ansible modules: replace – This module will replace all … Continue reading “How to find and replace text/IP address with Ansible”
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Linux Groups Command for Beginners (with Examples)

Zabihah Halal Vitamins
Linux Groups Command for Beginners (with Examples)
In Linux, there’s a concept of users (those who use the system), and then there’s the concept of groups, which is basically a logical mechanism to manage a collection of users. To give you a basic idea, groups make it easy to manage users with, say, same security and access privileges.

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How to Setup Automatic Security Updates on CentOS 7

Zabihah Halal Vitamins
How to Setup Automatic Security Updates on CentOS 7
Security updates, as most of you’d agree, are very important. On Linux, it’s always advisable to keep the installed packages up to date, especially when it comes to security. In general, users should apply security updates to their Linux systems within 30 days of being released. In this tutorial, we will discuss how you can configure a CentOS 7 server for automatic security updates.

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