The help command is a special command that is used to provide more information on another commands. In Windows PowerShell the help command can be called at any time to learn more about a command’s usage and syntax, like the available options and how to structure the command to use these options. However, at first, […]
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Synology NAS: First Time Installation & Setup Guide
A fist time installation and initial setup of a Synology NAS is actually a quite easy process. After unboxing your Synology NAS, ensure that it comes with one AC power cord + adapter and, at least, one RJ-45 LAN cable. The basic Synology NAS configuration implies installation of hard drives, Synology’s operating system and creation […]
cmd.EXE Keeps Popping Up [SOLVED]
Many Windows users are encountering a problem of a command prompt cmd.EXE window that opens randomly and closes so quickly, that there is no time to do anything with it. If you are also facing the black cmd.EXE window that keeps popping up and disappearing, most of all it is triggered by some automatic task […]
MikroTik: Simple Guest WiFi Setup on hAP ax³ (WifiWave2)
MikroTik routers with WiFi, like hAP ax³ with wifiwave2 package, can be used to create a “guest WiFi network”. The guest WiFi gives clients access to the Internet, but isolates them from your main network, so they can’t see and don’t have ability to access any of your devices on it. For example, to improve […]
MikroTik: Block Internet Access by IP/MAC
More and more smart devices with an Internet connectivity are appearing in our homes. If you don’t want your smart socket, robot vacuum cleaner or IP camera to leak your personal data, you can block these devices from accessing the Internet by their IP/MAC addresses. In this post I will show you how to block […]
MikroTik: Get Default Configuration
There can be many reasons why you need to get the default configuration of your MikroTik router. One of them is to compare the current settings with the default ones, while troubleshooting some issues. This short post shows how to print the default MikroTik configuration.
Kubectl: Delete All Pods in Namespace
Pods in Kubernetes (K8s) can be deleted by using a simple kubectl delete pod command. If there are multiple Pods in a namespace and you want to delete them all, this also can be done using the appropriate kubectl command. This short post shows how to delete all Pods in a specific namespace using the […]
Windows: Measure Command Execution Time in PowerShell
The time command in Linux and Unix-like operating systems is used to determine how long a specific command or script will take to run. In Windows PowerShell there is a built-in Measure-Command, that can be considered as the Linux time command equivalent. This short post shows how to use the Measure-Command in PowerShell to evaluate […]
Dig Without Cache
dig can return cached responses because it caches the results of previous queries to improve performance. For the same reason the cache responses can come from the configured name servers. This is useful when you are querying the same domain multiple times, but it can be problematic when you need to check if a change […]
Kubectl: Port-Forward to Service – Kubernetes
kubectl port-forward is a Kubernetes command that allows to access internal cluster resources from outside the cluster. It tunnels a traffic from a specified port on a localhost to the specified port on the specified Pod. The kubectl port-forward command is useful for troubleshooting issues, setting up services locally without exposing them, and debugging applications […]