https://rickhoekstra.com/Recent content on Rick HoekstraHugoenThu, 12 Nov 2026 00:00:00 +0000https://rickhoekstra.com/posts/connect-microsoft-graph-powershell/Thu, 12 Nov 2026 00:00:00 +0000https://rickhoekstra.com/posts/connect-microsoft-graph-powershell/<div class="alert alert-note"> <p class="alert-title">Note</p> <p>This is a sample post that shows what an article looks like. Replace or delete it when you publish your own.</p> </div><p>Most Microsoft 365 administration that goes beyond the admin portals ends up in Microsoft Graph. This post walks through the first steps: installing the module, signing in and reading some data.</p> <h2 id="install-the-module">Install the module</h2> <p>Open PowerShell and install the module for your own user account:</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-powershell" data-lang="powershell"><span class="line"><span class="cl"><span class="nb">Install-Module</span> <span class="n">Microsoft</span><span class="p">.</span><span class="py">Graph</span> <span class="n">-Scope</span> <span class="n">CurrentUser</span> </span></span></code></pre></div><h2 id="sign-in-with-the-right-scopes">Sign in with the right scopes</h2> <p>Graph works with permission scopes. Ask only for what you need for the task at hand:</p>https://rickhoekstra.com/posts/unifi-vlan-plan-small-office/Sun, 08 Nov 2026 00:00:00 +0000https://rickhoekstra.com/posts/unifi-vlan-plan-small-office/<div class="alert alert-note"> <p class="alert-title">Note</p> <p>This is a sample post that shows what an article looks like. Replace or delete it when you publish your own.</p> </div><p>One flat network is easy to set up and hard to live with. Splitting it into a few VLANs keeps guests away from company data and gives phones their own quiet lane.</p> <h2 id="the-plan">The plan</h2> <table> <thead> <tr> <th>VLAN</th> <th>Name</th> <th>Purpose</th> <th>Example subnet</th> </tr> </thead> <tbody> <tr> <td>1</td> <td>Management</td> <td>Gateway, switches, access points</td> <td>10.10.1.0/24</td> </tr> <tr> <td>10</td> <td>Staff</td> <td>Laptops and desktops</td> <td>10.10.10.0/24</td> </tr> <tr> <td>20</td> <td>Voice</td> <td>Desk phones and the PBX</td> <td>10.10.20.0/24</td> </tr> <tr> <td>30</td> <td>IoT</td> <td>Printers, displays, sensors</td> <td>10.10.30.0/24</td> </tr> <tr> <td>40</td> <td>Guest</td> <td>Visitors, internet only</td> <td>10.10.40.0/24</td> </tr> </tbody> </table> <h2 id="rules-of-thumb">Rules of thumb</h2> <ul> <li>Keep the numbering consistent across every site you manage.</li> <li>Give each VLAN its own Wi-Fi network only when devices really need wireless.</li> <li>Block traffic between VLANs by default and open only what is needed.</li> </ul> <div class="alert alert-warning"> <p class="alert-title">Warning</p> <p>Test firewall changes while you are on site or have a second way in. Locking yourself out of the management network is easier than it sounds.</p> </div>https://rickhoekstra.com/posts/3cx-sip-trunk-go-live-checklist/Tue, 03 Nov 2026 00:00:00 +0000https://rickhoekstra.com/posts/3cx-sip-trunk-go-live-checklist/<div class="alert alert-note"> <p class="alert-title">Note</p> <p>This is a sample post that shows what an article looks like. Replace or delete it when you publish your own.</p> </div><p>Moving phone numbers is the one change where every user notices a mistake straight away. A short checklist takes most of the stress out of it.</p> <h2 id="before-the-porting-date">Before the porting date</h2> <ol> <li>Confirm the full list of numbers with the customer, including fax and alarm lines.</li> <li>Set up the trunk in advance and test outbound calls with a temporary number.</li> <li>Build the inbound rules for every number, even though nothing arrives on them yet.</li> <li>Agree on who calls whom if something goes wrong.</li> </ol> <h2 id="on-the-day">On the day</h2> <ol> <li>Call each main number from a mobile phone and from a landline.</li> <li>Check the caller ID that is shown on outbound calls.</li> <li>Test the paths outside office hours: voicemail, holiday schedule, queues.</li> </ol> <h2 id="afterwards">Afterwards</h2> <p>Keep an eye on the event log for the first few days and ask the customer about missed calls. Problems with a single number often show up only when that number is first used.</p>https://rickhoekstra.com/about/Mon, 01 Jan 0001 00:00:00 +0000https://rickhoekstra.com/about/<p>Hi, I&rsquo;m Rick. I work in IT and spend most of my days with Microsoft 365, UniFi networks and 3CX phone systems.</p> <p>This blog is where I write down what I learn along the way: how-tos, fixes for problems that cost me an evening, and notes I want to be able to find again.</p> <h2 id="what-you-can-expect">What you can expect</h2> <ul> <li><strong>Microsoft 365</strong>: tenant management, security and automation</li> <li><strong>UniFi</strong>: network design, Wi-Fi and firewalling</li> <li><strong>3CX</strong>: installation, SIP trunks and day-to-day management</li> </ul> <p><em>This is placeholder text. Edit <code>content/about.md</code> to tell your own story.</em></p>https://rickhoekstra.com/contact/Mon, 01 Jan 0001 00:00:00 +0000https://rickhoekstra.com/contact/<p>Found a mistake in an article, or have a question about something I wrote? I&rsquo;d like to hear it.</p> <ul> <li><strong>LinkedIn</strong>: <a href="https://www.linkedin.com/in/YOUR-PROFILE">connect or send me a message</a></li> <li><strong>GitHub</strong>: <a href="https://github.com/YOUR-USERNAME">YOUR-USERNAME</a></li> </ul> <p><em>Edit <code>content/contact.md</code> to change these links.</em></p>https://rickhoekstra.com/search/Mon, 01 Jan 0001 00:00:00 +0000https://rickhoekstra.com/search/https://rickhoekstra.com/tools/Mon, 01 Jan 0001 00:00:00 +0000https://rickhoekstra.com/tools/<p>Scripts and templates that I use myself and share for others to build on. The list below is filled from <code>data/tools.yaml</code>.</p>