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 279 articles.
Changing your computer’s DNS system settings allows you to utilize something more secure and reliable than what your ISP provides. Built-in DNS, which are your ISP’s domain name servers, could be slower, unstable, and not very private. To optimize your online experience, you can always use various resolvers from third-party providers. This article will look…
Imagine your refrigerator without any shelves. Whoops! The same thing can happen to a hard disk without any partition. Everything on one single-giant volume; it’s like a toddler’s way of storing things. Disk partition is necessary for the effective use of your hard drive. And things could go wrong at any moment. It can get…
Have you ever experienced an Internet outage or disconnection, a complete local area network (LAN), or a wide area network (WAN) failure? The leading cause of such incidents is network device malfunction or latency in network bandwidth. Network failures or delays lead to massive loss of sales or loss of trust in the company, or…
Using a Linux-based operating system to hide your identity on the internet is quite simple, and you can do it all without paying for a VPN service like those available today. Kali Linux distributions are used to test the security of WiFi networks, websites, and servers, among other things. Operating systems like Debian and Ubuntu…
In this article, we will discuss everything you need to know about SNMP as a beginner. SNMP is a standardized network protocol used to collect and organize device information on a network. It does this over UDP port 161. It was initially developed in 1980 when the size and complexity of many IT organizations were…
In this article, we’ll describe storage datastore types that are used in VMware vSphere 7.0. Virtual Machine File System (VMFS) Virtual Machine File System (VMFS) is a datastore type that is deployed on block storage devices, and it is a special high-performance file system format that is optimized for storing virtual machines. You can create…
Network latency is the delay in transmitting requests or data from the source to destination in a network ecosystem. Let’s see how you can troubleshoot network latency. Any action requiring the usage of the network, like opening a web page, clicking a link, or opening an app and playing an online game, is called an…
Let’s look at a few VMware NSX interview questions to help job seekers and professionals who want to get certified in network virtualization. VMware acquired NSX from Nicira in July 2012, which was primarily used for network virtualization in a Xen-based hypervisor. NSX abstracts the physical layer (virtualize the network) so that software runs on…
Kubernetes and Red Hat OpenShift are two leading container orchestration tools in the market today. In this article, we will discuss these tools and what are the differences between them. Most production environments have started using containers as they are easily scalable, cost-effective, better than virtual machines, and faster deployable. Of course, it is easier…
tar is one of the popular file archiving formats available in Unix and Linux-based systems. The name itself is derived from Tape ARchive as it was developed for writing sequential data on tape devices. It is also referred to as tarball sometimes. By default, tar only archives the files without compression but using some portions….
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