Knowing how to find out a manufacture date of a Windows computer (laptop or desktop) can be useful in many ways. For example, if you are purchasing a second-hand computer you may want to know how old is it to determine the warranty status or to negotiate the price. This note shows 3 different ways […]
How To Find Windows Product Key using CMD
A Windows product key is a 25-character code used to activate Windows, that looks like: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX When Windows is getting installed on a computer, it stores its product key in a registry from where anyone can view it. This short note shows how to find your Windows product key using a Windows command prompt (CMD).
Check Windows License Type – Volume | OEM | Retail
There are three types of Windows licenses: Retail, OEM (Original Equipment Manufacturer) and Volume. If you wonder which of these licenses is applied to your system, you can easily find this out using a Windows command prompt (CMD) or PowerShell.
ArgoCD: FATA context deadline exceeded [SOLVED]
While trying to log in to the ArgoCD server from a command-line interface (CLI), the connection attempt may hang for some time and then fail with the error as follows: “FATA context deadline exceeded“. This error usually occurs when the ArgoCD instance is setup behind a load balancer or reverse proxy which doesn’t support HTTP2. […]
ArgoCD: Get Default (Initial) Admin Password
The first time you deploy an ArgoCD application to a Kubernetes cluster, it creates an initial default administrator account, that can be used to access the ArgoCD using a user interface (UI) or over a command-line interface (CLI). The ArgoCD stores the initial password for the default admin account in a Kubernetes Secret resource, named […]
MikroTik: Safe Mode – CLI, WinBox & WebFig
When setting up a network device, there is always a chance to lose a communication with it due to applying an incorrect configuration. If you are far away from the device, this can be especially bad 😱. Lucky owners of MikroTik routers can minimize such risks by using a safe mode feature. From this note […]
IPv6 Ping – How to Ping an IPv6 Address in Windows
An IPv6 is a preferred protocol over IPv4 in modern Windows and Linux systems. In Windows, you can ping IPv6 addresses using a standard ping command. If the ping command fails to ping the IPv6 address, it could be that the IPv6 protocol is disabled or it is not supported by your computer or the […]
IPv6 Ping – How to Ping an IPv6 Address in Linux
An IPv6 is a preferred protocol over IPv4 in modern Windows and Linux systems. In Linux, you can ping IPv6 addresses using a standard ping command as well as a special ping6 command. This short note shows how to ping the IPv6 addresses in Linux.
MikroTik: Firewall – Default Config & Basics For Dummies
MikroTik RouterOS has a very powerful firewall implementation and for ones who are not very familiar with networking it may be complex to figure out how to configure it properly. In this note you will find a basic information that can help you to understand better how MikroTik firewall works. Also, on the example of […]
Nslookup: Specify DNS Server – Windows, Linux & macOS
The nslookup (Name Server Lookup) – is a command-line tool for querying DNS (Domain Name System) servers, that is usually can be found on Windows, Linux and macOS systems out of the box. This tool is used for resolving domain names, IP addresses and other specific DNS records. By default, the nslookup command is using […]