Linux Curl command is very amazing. It's very simple command which is use to send or get data from and to any server. Server would be any server like end point URL, ftp endpoint, etc. In this …
Linux and Unix Tutorials Archives...
Beginners guide to the UNIX / Linux operating system. I do work on Linux console terminal every day. Some of my favorite tips and tutorials which includes Shell script and Bash programming.
How to Execute tcpdump Linux Command using Java Process Class and Capture TCP/IP Packets
Let's take a look at a problem in which you may want to capture Tcpdump output in your Java Program. You may need TCPDump data with N number of possibilities. This is a tcpdump Tutorial and Tcpdump …
Shell Script: How to append TimeStamp to file name?
I need to create a shell script that appends a timestamp to existing file. I mainly use Mac OS X for development. Wanted to create the same on Mac Terminal. Here are some basics on date …
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How to Install and Configure Prometheus on Linux? (Ubuntu and CentOS)
What is Prometheus? Prometheus is world class Monitoring System comes with Time Series Database as default. It's an open-source systems originally built in year 2012. World's top 500 companies …
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How to Install Docker Container on Linux? (Ubuntu and CentOS)
Docker no doubt is the Best Container Management Platform for your Enterprise and/or Personal project need. Why we need Docker? Consider this simple scenario for your project. You have a …
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What is Ansible pre_tasks? How to Update OS, Install Python and Install JRE on Remote Host [Linux]?
What is pre_tasks in Ansible? pre_tasks is a task which Ansible executes before executing any tasks mentioned in .yml file. Consider this scenario. You provisioned a new instance on Amazon EC2 …
How to fix “java.lang.RuntimeException: can not run elasticsearch as root” Exception?
Are you getting below exception while running ElasticSearch? [crayon-628c22d5d3993782301674/] Why is it ElasticSearch is not allowed to run as root? Elasticsearch is a process, which I believe …
Ansible: How to copy File, Directory or Script from localhost to Remote host?
As a part of IT management department, folks deal with lots of scripts and command line tools. I'm sure you face day to day situation in which you have copy files or scripts to thousands of remote …
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Linux: How to Generate TimeoutException for a specific IP using TC qdisk and netem command?
TC is a linux command using which you could manipulate traffic control settings. In Linux, TC command is used to Show or Manipulate traffic control settings. Why do you need to add small …