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Linux is a very popular free and open source OS with a very large user and support community. Linux runs on a lot of devices, like PC hardware, (ARM) embedded devices like switches/routers, TVs and set top boxes. Connect with Linux experts here and get your questions answered.

Dear experts,

I have no idea where to begin checking in Nagios to troubleshoot for this wave of NTP erros coming from the stores tand the nagios server.

Screen-shot attached.

It says:

77 views

The purpose of this article is to demonstrate how we can upgrade Python from version 2.7.6 to Python 2.7.10 on the Linux Mint operating system. I am using an Oracle Virtual Box where I have installed …

232 views
Connect to Amazon EC2 Instance Using PuTTY

Connecting to an Amazon Linux EC2 Instance from Windows Using PuTTY.

744 views

Hi experts,
I worked with the SED command and i want to replace a URL with the SED command in a configuration file.
In the configuration file i have this line:     /owa https://example.de/owa
And w…

3

The purpose of this article is to fix the unknown display problem in Linux Mint operating system. After installing the OS if you see Display monitor is not recognized then we can install "MESA" utilit…

121 views
Linux/ Unix Bash Shell: Navigating the File Tree

Learn how to navigate the file tree with the shell.
Use pwd to print the current working directory: Use ls to list a directory's contents: Use cd to change to a new directory: Use wildcards instead of…

119 views

I set up Postfix on the VPS.  I can send mail using "Usermin" however it will not receive messages.  I receive the following error message back from the server:

<default-langsystems.net@langsystems

2420 views

The purpose of this article is to show how we can create Linux Mint virtual machine using Oracle Virtual Box. To install Linux Mint we have to download the ISO file from its website i.e. http://www.li…

71 views
Linux/ Unix Bash Shell: Finding Files

Learn how to find files with the shell using the find and locate commands.
Use locate to find a needle in a haystack.: With locate, check if the file still exists.: Use find to get the actual location…

144 views

Centos7

I have a server which is already set up, being used as a web server mainly.
The original plan was to set it up as a KVM host but I didn't have time so simply set up the web sites and off …

529 views

My Situation:
In 2013 I was asked by a friend of mine who is a web developer to help him set up a cloud based Linux Server that could be used for developing his ongoing web projects. I spent a fair a…

3256 views
Linux/ Unix Bash Shell: Getting Help

Learn how to get help with Linux/Unix bash shell commands.
Use help to read help documents for built in bash shell commands.: Use man to interface with the online reference manuals for shell commands.…

76 views

I am sure it is something like

docker-machine create --driver --vmwar****????!!!.......................................

what is the exact systax for docker machine to provision to vcenter?????…

335 views



In this article, I'll explain how to setup a Plex Media Server (https://plex.tv/) on a Redhat (Centos) 7 based NAS with screenshots to help those looking for assistance.
 What is Plex?

If you …

238 views
Linux/ Unix Bash Shell: Working with Files

Learn several ways to interact with files and get file information from the bash shell.
ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the out…

271 views

We have rackspace linux server folder that needs to be mirrored to our local network shared windows folder reliably. What are my options ? The source folder has files from over the years that need to …

134 views

Recently, an awarded photographer, Selina De Maeyer (http://www.selinademaeyer.com/), completed a photo shoot of a beautiful event (http://www.sintjacobantwerpen.be/verslag-en-fotoreportage-van-de-sac…

1224 views

Hello,
  I have a java restful web service  that reads some information from a file  store it in a DB.. I like to schedule this job run on a specific interval.. How do I call a restful service from a…

313 views

Linux containers are abbreviated as LXC. They are the forms of lightweight operating system level virtualization for computers that are running Linux. Containers do not provide the virtual machine but…

2400 views

Hi everybody,

I had to do a mass update of dns records in our bind (on debian lenny).
I have no room for error and in my experience i know that bind is very sensitive syntax.
I specify you : i ha…

420 views

Virtual Machine and Containers are both techniques for virtualization and in many scenario either can be used. Though Virtual Machine and Container are similar in many ways, they both have there own s…

628 views

I found this method to execute a php script within a php page without making the user wait until it completes executing.

(CODE)

What's going on in this command?  

1. Do I need to have the ful…

1114 views

From Coral's  "So You Want To Play With Computers" Series

A bit of background first, so this story will make a little sense.

One day, probably because he needed a good laugh, Finagle hooked me u…

1638 views

no real problem here I am just wondering why it says this in the dolphin gui about docker??

343 views

Introduction
Automating work can be done on Linux / Unix by creating what is called a cronjob that is periodically running a program or script (job) on a schedule you specify. Jobs are specified in a…

526 views
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