Linux

Linux is a family of open-source Unix-like operating systems based on the Linux kernel. Some of the most popular Linux distributions include Debian, Fedora, and Ubuntu.

www.linux.org

exiwhat - Exim log 🐧

Exim log 🐧

exiwhat displays what each instance of exim is currently involved with:

exiwhat

To monitor the exim log in realtime, use the tail command:

tail -f /var/log/exim_mainlog

linux - 🐧 Simple Network Troubleshooting

🐧 Simple Network Troubleshooting

You will eventually find yourself trying to fix a network related problem which usually appears in one of two forms. The first is slow response times from the remote server, and the second is a complete lack of connectivity. These symptoms can be...

perc - How to install PERC/LSI MegaCLI on Dell

How to install PERC/LSI MegaCLI on Dell

Here is how to install PERCS (LSI) MegaCLI utility on a Dell machine: Step 1: Download the latest version of MegaCLI here or use this alternative link. Step 2: Copy the file to your Linux machine. In this case, I will use /var/tmp/ Step 3:...

image 1 - Generate a random number 🔢 in Unix Shell Script

Generate a random number 🔢 in Unix Shell Script

Here is how to generate a random number in a bash shell script. In the bash shell we have environmental variable $RANDOM that can generate a unique random number each time it is referenced. echo $RANDOM And to assign this value to a variable :...

nodejs - Install NODE.JS on CentOS

Install NODE.JS on CentOS

To install Node.js on CentOS perform (as root):

curl -sL | bash -
yum install -y nodejs

It will output each step as it moves along, prompting you to manually install any 3rd party dependencies.

Verify the install with:

node -v