We always use command lines like PING to get the IP address assigned to a specific domain DNS. For example, to get the IP address of google.com, we use: ping google.com As you can see, this only returns one of IP addresses assigned to google.com. To get the full list of IP addresses associated with google.com, you need to use […]
Other than open every single installed printer to print test pages, here is a much better way that you can do it all at once. Get-CimInstance Win32_Printer | Invoke-CimMethod -MethodName PrintTestPage If you only want to certain printers, use the -Filter switch. Get-CimInstance Win32_Printer -Filter “Name LIKE ‘*name*’ | Invoke-CimMethod -MethodName PrintTestPage You can even use Get-Printer cmdlet to pick […]
Instead of looking for a tool, there is a very quick and easy way that lets me ping a wild range of IPs to find out which IPs are free and which ones have been taken, using the PowerShell built-in cmdlet Test-Connection. And here is how: Copy the code over to PowerShell ISE console, change the IP info and hit […]
When querying a PowerShell object, it only returns a few essential properties by default. For example, querying the W32_ComputerSystem class with Get-WmiObject cmdlet only returns properties like Manufacturer, ComputerName, TotalPhysicalMemory, etc. To get the full list of the properties of Win32_ComputerSystem class, you can pipe the result to Format-List, like below. Get-WmiObject -Class “Win32_ComputerSystem” | Format-List * You can even […]
Have you ever seen the timestamp format like this and wondered how it’s equivalent to the normal DateTime format? It’s the date/time value stored in Active Directory as the number of 100-nanosecond intervals that have elapsed since the 0 hours on January 1, 1601, until the date/time that is being stored. It’s always in UTC (Coordinated Universal Time, aka. GMT) […]
The wildcard SSL certificate is expiring in a few weeks. It’s time to get it renewed for both website and the Gateway server for remote access. I renewed the certificate on Namecheap, regenerated the CSR file and got the digitally signed certificate file in a few minutes. Since the digital certificate was generated for the website hosted on Apache, I […]
When retrieving data from the event log, there is a set of data stored in a data field called ReplacementStrings that is very useful to the certain types of log entries. It’s structured as a string array, therefore, can be retrieved if you know the data structure. The problem is, every type of event ID has different string array structure. […]
If a user account gets locked out, I can follow these tips to find out why and when it happened. But how can I check and gather lockout info along with the bad password attempts info of all users across the entire AD domain? Asking help from PowerShell is my answer. There are two places where we can gather this […]