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Free Command in Linux Explained With Examples
If you would like to know the detailed information about the memory usage on Linux system, the free command is a simple utility that makes it easy to find real time results for a variety of use cases....
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7 Practical Examples of cd Command in Linux
Learn to use cd command in Linux with these useful and practical examples. What is cd command in Linux? Command cd is used to navigate between directories in Linux. In fact, cd stands for ‘change...
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12 Things to do After Installing a Linux Server
Cloud computing has changed the server scenario drastically. Many platforms are providing free Linux cloud servers and you can deploy your Linux servers in minutes though these cloud platforms.When you...
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How to Install Ansible on Ubuntu and Other Linux Distributions
These days, Ansible is a big buzzword in the IT industry. It is a radical automation DevOps tool for IT orchestration.Ansible is an open-source tool by Red Hat. It helps to configure, provision, deploy...
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Getting Started With Buildah for Managing Linux Containers
“Docker, Docker, Docker” that is what we used until recently.Docker is still very popular, no doubt. But as we know in the IT industry, evolution happens rapidly. So now we will hear Buildah, Podman,...
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Configuring Graylog Server to Manage Logs on Linux
Have you ever wondered about managing big amount of logs? At some point everyone sysadmin has, I believe. The solution is very simple: ‘Configure a Graylog Server.’In the previous tutorial, I showed...
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Check Linux Server Vulnerabilities with OpenVAS
Everyday, new vulnerabilities are “born” in the digital world. System admins are often busy in managing the servers and they overlook obvious security issues.Scanning a Linux server for security issues...
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How to Install and Configure Grafana
Grafana is one of the most famous open source tools for monitoring and get information from several data sources. It’s well known for its beautiful and clean dashboards, where it can be easily set and...
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Install and Configure Webmin to Manage Linux Servers Remotely and Graphically
Webmin is an open-source web-based control panel for system administration primarily for Unix-like systems.Being a sysadmin means that you should have a good knowledge of Linux commands. But not...
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Getting Started with Tmux [Beginner's Guide]
With tmux, you can create multiple terminal sessions that can be opened (attached) and closed (detached) or displayed simultaneously all from one window. Multiple panes using tmux Learning how to use...
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Setup Visual Monitoring of InfluxDB Time Series Data in Grafana
In an earlier article about monitoring, I described how install and configure Grafana. In this tutorial, I’ll show you how to install and use one of the most famous open source time series databases in...
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Special File Permissions in Linux: SUID, GUID and Sticky Bit
File permissions and ownership are the basic and yet essential security concept in Linux. You probably are already familiar with these terms already. It typically looks like this:Regular file...
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12 Things to do After Installing a Linux Server
Cloud computing has changed the server scenario drastically. Many platforms are providing free Linux cloud servers and you can deploy your Linux servers in minutes though these cloud platforms.When you...
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How to Clone a Git Repository with Ansible
When configuring remote servers with Ansible, you may encounter instances where you need to get files from a Git repository. This could be a software package from public repositories or configuration...
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4 Ways to Check CentOS Version in Linux Command Line
CentOS is a great OS when comes to server software because they have longer support cycle and great stable software in the repositories and a larger community. To know more about why CentOS is better,...
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How to Change the Partition Scheme on Your Linux Server?
Once you get a VPS at a hosting provider like DigitalOcean or OVH, you might want to customize the partition layout. However, often you have no choice: you select the desired OS and then it gets...
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Installing Alpine (or other Linux) on VPS or Bare Metal Server
When you get a VPS or a dedicated (bare metal) server, the hosting provider lets you choose the operating system you want to install.Typically, you can choose from a list of about ten systems. What if...
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What is Zsh? Should You Use it?
You probably already know that there are various shells available in Linux/Unix. Bash is the most popular and the default shell on most Linux distributions.Another popular shell is Zsh. It is powerful...
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How to Store Helm Charts in Azure Container Registry
One of the great advantages of understanding how the container ecosystem works is that you can use the same pattern for several specifications.It has not been long since, Helm announced that it would...
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How to Monitor SSL/TLS Certificates with Checkmk
It doesn't matter if you run an online shop, a company website, or a travel blog: You need to trust that a website is safe to use and visit. Thus, HTTPS has become a standard for the world wide web and...
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