What is SSH? An Entry Guide To SSH
If you ever wondered what is SSH and what is it used for? Secure Shell Hostname system is a method of connecting to the remote server. Regular, Cloud or Local (ie. RaspberryPi) - all the servers need a way to connect. Usually it is used by SSH client connecting to a...
How to add a new user in Linux (and what are the user groups)?
How to Add a New User in Linux (and What are the User Groups)? Adding new users in Linux is a fundamental task for system administrators, ensuring proper access control and resource allocation. This article will guide you through the steps to add a new user and...
What Linux directories mean?
When you install your first Linux operating system and you open your new, magic terminal and put the first command "cd /" in order to go to default base "/" directory. After you type "ls" or "ll" and you find out the basic foler structure of the Linux system. At the...
What are Production, Stage and Other Environments?
You probably already heard about "Production", "Stage" or other "environment names" before and probably wondered what does that actually mean. What are the differences, similarities, and what role do they play in describing IT infrastructure? Let's start with defining...
What Is CI/CD in DevOps?
What Is CI/CD in DevOps? Continuous Integration (CI) and Continuous Deployment/Delivery (CD) are fundamental practices in DevOps that have transformed the way software development and delivery processes are managed. They bring together development and operations teams...
10 Tips On How To Become DevOps or SysOps
10 Tips on How to Become a DevOps or SysOps Professional The roles of DevOps and SysOps professionals are pivotal in modern IT environments. Both positions focus on streamlining processes, ensuring system reliability, and enhancing the development lifecycle. If you're...
Linux Commands System
List of system related commands: Show name of system: uname -a --- Kernel release information: uname -r --- Release os information: cat /etc/os-release --- Release all etc information: cat /etc/*release --- Check who is currently logged in: last |grep "logged...
Linux Commands Memory
Memory Swaps: [See swap info in system] swapon -s or cat /proc/swaps ------ [To see all partitions (including swap memory partition)] lsblk -o TYPE,NAME,KNAME,UUID,MOUNTPOINT,SIZE ------ [To see used and free swap memory] free -h ------ [To free swap memory] swapoff...
Linux Commands Disk
Here is a Linux Commands list that are Disk related. Ejoy! Check disk usage in human readible format: df -h Uses du to find and sort the biggest files: du -d 1 -h | sort -h Uses du to search folder /usr and sort the biggest files in there: du -a /usr | sort -n -r |...