Category Archives: Linux (Ubuntu)

Linux tr Command Tutorial for Beginners (with Examples)

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Linux tr Command Tutorial for Beginners (with Examples)
Depending on the kind of work you do on the command line in Linux, you may want a utility that can act as a Swiss army knife for quick text editing. Gladly, there exists a tool dubbed tr, which qualifies for this role.

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Linux tcpdump Command Tutorial for Beginners (8 Examples)

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Linux tcpdump Command Tutorial for Beginners (8 Examples)
Everytime you open a webpage on your computer, data packets are sent and received on your network interface. Sometimes, analyzing these packets becomes important for many reasons. Thankfully, Linux offers a command line utility that dumps information related to these data packets in output.

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How to run Python Scripts with Apache and mod_wsgi on Ubuntu 18.04

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How to run Python Scripts with Apache and mod_wsgi on Ubuntu 18.04
mod_wsgi is an Apache module that can be used for serving Python scripts over HTTP via Apache web server like Django, Web.py, Werkzug, Chery.py, TurboGears, and Flask. In this tutorial, we will learn how to install and set up of mod_wsgi with the Apache server on Ubuntu 18.04 LTS (Bionic Beaver) server.

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How to install ownCloud with ONLYOFFICE using Univention App Appliance

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How to install ownCloud with ONLYOFFICE using Univention App Appliance
ONLYOFFICE is an open source office suite distributed under GNU AGPL v3.0. It incorporates online editors for text documents, spreadsheets and presentations. This tutorial shows how to install ownCloud with ONLYOFFICE using Univention App Appliance.

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How to Set up RabbitMQ Cluster on CentOS 7

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How to Set up RabbitMQ Cluster on CentOS 7
RabbitMQ is the message-queueing software that offers support for sending and receiving messages between distributed systems, applications, and services. In this tutorial, I will show you step-by-step how to set up the RabbitMQ Cluster on a CentOS 7 Server.

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CentOS 7 Run Script When Network Interface is Up (Network Manager)

CentOS 7 Run Script When Network Interface is Up (Network Manager)

I want to run a shell script or other program immediately after my network interface goes up on a CentOS 7 / RHEL 7 server. I created /sbin/ifup-local, but it is not working on a CentOS 7 box but works perfectly on CentOS 6. I am using NetworkManager with CentOS 7. How do I run ifup-post or ifup-pre scripts?

The post CentOS 7 Run Script When Network Interface is Up (Network Manager) appeared first on nixCraft.

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Ubuntu -bash: do-release-upgrade: command not found

Ubuntu -bash: do-release-upgrade: command not found

I am using Ubuntu Linux 16.04 LTS cloud server. I followed this page to upgrade Ubuntu 16.04 to 18.04 but, I am getting an error that read as ‘ -bash: do-release-upgrade: command not found.’ Why am I not getting the Ubuntu 18.04 upgrade using do-release-upgrade and how do I fix this problem?

The post Ubuntu -bash: do-release-upgrade: command not found appeared first on nixCraft.

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