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 upgrade JVM in Linux OS? Please make sure to upgrade to Latest JDK. Today I installed JDK 15. (Oct 2020)
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 reference. Let’s get started. 1. How to Get Linux OS version and System Info? root@crunchify:~# lsb_release -a
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 issue. Last week at Crunchify, LLC we were debugging higher CPU issue and wanted to have
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 average. I’m talking about Linux uptime Command result. There are multiple Java Management APIs available under RuntimeMXBean class but
What is a simple way to run simple Linux Loop? How to read file line by line? There are many-many way to read file in bash script, look at the first section where I used while loop along with pipe (|) (cat $FILE | while read line; do … ) and also
Here is a simple script which will perform Automatic Disk Log Cleanup for any Linux Environment. You just have to provide correct CRUNCHIFY_TMP_DIRS . When a disk has no free space left, all kinds of trouble can occur. But before that let’s have some basic understanding of some important commands. Step-1) Check df
Last week I was working on an Eclipse project which requires me to create one executable .sh (shell script) file. Here is a content of Crunchify.sh file. #!/bin/bash echo ——————————- echo Starting up Crunchify Project echo ——————————- CLASSPATH=$CLASSPATH:"./lib":"." export CLASSPATH cd /crunchify/project java -jar Crunchify.jar I was working on Windows
