Sysadmins of the North is just a technical blog, like so many others out there. Here I write about IT stuff that I find interesting, problems I encountered and solved. Topics include computers, servers, web, sysadmin, database, virtualization, optimization and security.
For the most part, I write as it comes; posts may seem incoherently written sometimes (my apologies). Drop me a comment somewhere to say hi, or discuss about any of the topics. I always love the interaction!
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If you need to verify files are untampered with, you have to create a file checksum -or file hash- that you can use to verify. PowerShell offers this functionality with Get-FileHash cmdlet. Or use certutil.exe.
Sometimes you need to convert a Windows SID (security identifier) to an username, or vice versa (an username to an SID). In this post I show you a couple of methods to translate the one into the other. One is using VBScript and one is using PowerShell.
Use PowerShell to install SSL certificate in Windows Server and change its FriendlyName property. As a bonus, I show you how to verify a certificate’s Common Name (Subject) and Subject Alternative Name (SAN) using certutil.exe and PowerShell Get-PfxCertificate.
In this post I show you how you can use PowerShell to install Windows Updates. Quickly and silently. This makes the use of PSWindowsUpdate module perfect for your day to day automation. The module even supports scheduling (on remote computers too!), it has the ability to search WSUS and Windows Update for updates, scheduling and performing the download and installation of updates.
In this post I provide you with a small PowerShell function you can use to send email over a TLS secured SMTP connection with SMTP authentication. As a framework you can use in your own scripting and extend it. You can even create a PowerShell module of it.
Monitor Microsoft SQL Server, databases and performance with Zabbix, PowerShell, Performance Counters and WMI. Keep SQL Server and databases in top shape and performance up! In this post I show you how you can use Zabbix to monitor those important aspects for database administrators (DBA).
Currently I work as an application manager / administrator at Embrace – The Human Cloud in Groningen (the Netherlands). At Embrace we develop and manage software to automate processes and unlock knowledge, social intranets, and so forth. Smart technology helps your organization move forward.
Before Embrace, I was over 20 years at Vevida.com as a systems- and applications manager/administrator.
My experience and specialties include Windows Server, IIS, WSL & Linux (CentOS, Debian), PHP, WordPress, websites, MySQL, optimization and security. Vevida is now part of TWS, Total Webhosting Solutions, and incorporated into Yourhosting.nl. My SysOps department went to the company cldin.eu, Cldin.eu’s mission is to build the best-in-class digital infrastructures that scale.