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 ...
Read Article
Linux & Unix 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.
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 ...
Read Article
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 ...
Read Article
systemctl start/stop service: How to Setup Upstart Script and Respawn Process in Ubuntu, CentOS, Redhat Linux
How to write startup script for systemd?
systemd is the latest service management utility in all latest version of Linux distribution such as Ubuntu OS, Redhat OS, CentOS.
That's why ...
Read Article
How to change Default Java /JDK Version and ClassPath in Linux using .bash_profile?
When you install Java with default apt install command on Ubuntu or CentOS Linux OS then it will install Java under default folder /usr/bin/java.
First thing first. How to install or ...
Read Article
My Favorite Linux Commands – List of Top 25+ Basic Linux Commands and Cheat Sheet
I've been working on Linux environment since very long time and recently explored a lot more commands. In this tutorial we will go over some most commonly used Linux Commands for your handy ...
Read Article
Log File Tailer (tail -f) implementation in Java – Best way to tail any file programmatically
File operations using Java are my favorite part. There are number of tutorials you may have seen on Crunchify like append data to file, read data from file, read and parse JSON file, read ...
Read Article
How to SSH-Login to your Shared Hosting Account using ‘SSH Access’ Utility in cPanel?
I tried setting up SSH Access from cPanel first time last week and it worked seamlessly without any issue. I was able to login and execute some commands to check higher CPU usage and memory ...
Read Article
What is uptime in Linux & How to Parse Result in Java using Regular Expression (RegEx)?
What is uptime in Linux? Sometimes you have to get load averages from uptime result via Java Program to perform certain operations. Like nuke, restart app, etc based on high load ...
Read Article