Learn the trending tools, troubleshooting guides, and how-to to become a better Sysadmin. You’ll find articles covering Linux, Windows, Docker, Kubernetes, Ansible, Web & Application servers, and many more.
Total 212 articles.
Let’s find out some of the famous scripting languages often used by system administrators and developers. Scripting languages are most popular in automating specific tasks. Also, scripting languages are less code-intensive as compared to traditional programming languages. They do not require the step of compilation and are instead interpreted. For example, a Java program needs…
Getting a new PC comes with this peculiar feeling like your whole tech life has got a fresh new start, and you want to preserve this forever. You’ll promise never to let the dust come near it, probably planning to get a screen protector too, and you swear you’ll shutdown it properly every night, unlike…
Running commands inside a docker container is easier than you think. A docker container is an isolated environment that usually contains a single application with all required dependencies. Many times we need to run some commands inside a docker container. There are several ways in which we can execute a command inside a container and…
Windows command prompt can perform many unique tasks that usually can’t be done by other Windows components. Best of all, it works even when other Windows components break, making it the best tool for system admins to master. As a system administrator, the Windows command prompt can help you get more information about computers and…
View and manage network connections established by a Docker container. Often while working with a Docker container, we need to look at the network connections being used by the container for initial debugging or troubleshooting purposes. You may want to see which IP is listening on a port or how many connections are currently active…
As a Sysadmin, one of the frequent activities is to reboot or power off servers. This could be due to regular maintenance activity like OS patching or due to some hardware failure that requires a system to be powered down for maintenance. A Linux system offers several different ways to reboot or shut down the…
Windows has its fair share of problems like other operating systems. However, with the introduction of Windows 10 and its new features; many new problems have surfaced as well. I upgraded directly to Windows 10 from Windows 7, so I was quite surprised when I had to deal with a bunch of new problems that…
Kubernetes, also known as K8S, is a popular container orchestration tool for managing and scaling containerized infrastructure. kubectl is the common CLI tool that we use to query and manage a Kubernetes cluster. kubectl uses the API interface of Kubernetes to view, control, and manage the cluster. It is supported across different platforms and can…
grep, originally developed for Unix-based systems, is one of the most widely used command-line utility in Linux boxes. Its name comes from another similar command in ed tool, i.e., g/re/p which stands for globally search for a regular expression and print matching lines. grep basically searches for a given pattern or regular expression from standard…
It often happens that we find a Linux system has rebooted in an unplanned way or due to unknown apparent reasons. Finding and resolving the root cause can help in preventing the recurrence of such issues and avoid unplanned downtime. There are several ways we can find out what triggered a reboot. In this article,…
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