Author Archives

• Getting started with Let’s Encrypt & Certbot – LE Series Part 1

  By GrumpyTechie on August 23, 2019 • ( 1 )

  

  I’ve been enjoying myself immensely playing around with Let’s Encrypt these last few days, and discovered a couple solution to common problems and issues, so I thought I’d make a small guide mostly for my own reference on how to… Read More ›

• Configuring Ubuntu to Patch Itself

  By GrumpyTechie on April 28, 2019 • ( 0 )

  

  After a couple of years in the IT infrastructure world, you’ll be faced with the greatest task of all, updating servers every month or so. This has always been the most brain dead task imaginable, but now with virtualization, we… Read More ›

• Exporting Exchange Mailboxes to PST files

  By GrumpyTechie on November 10, 2018 • ( 0 )

  

  As any admin at any company will tell you, you can never really trust anybody that tells you it’s okay to delete something, ever. This holds especially true for email. If I had a euro for every time I was… Read More ›

• How to Configure SNMPv3 on Cisco iOS Switches – Cisco Networking Series Part 2

  By GrumpyTechie on October 5, 2018 • ( 0 )

  

  Configuring SNMPv3 can be a daunting task compared to earlier questions, just from the copious amount of authentication parameters compared to earlier SNMP versions. In this short primer I’ll walk you through the steps necessary to set it up to… Read More ›

• The Ultimate Trailer Plug Wiring Chart

  By GrumpyTechie on September 10, 2018 • ( 0 )

  

  I’ve been working on converting all my trailers and cars to 13-pin plugs and sockets lately, as I got fed up with corroded connectors and adapters. What I quite quickly ran into was the issue of finding a reliable chart… Read More ›

• How to Really Set Up NTP on HP ProCurve / Aruba Switches – HP Networking Series Part 7

  By GrumpyTechie on August 24, 2018 • ( 2 )

  

  This is a short guide on how to set up NTP time synchronisation properly on HP ProCurve / Aruba network devices. Astute readers of this blog might remember that I covered this topic back in 2015, and you’d be right,… Read More ›

• Wacom Tablet not working in Photoshop?

  By GrumpyTechie on May 17, 2018 • ( 0 )

  

  During the last month, people have been having issues with their Wacom drawing pads in Photoshop. This is due to a “bug” in the latest version of Windows 10 (as of April 2018) that from what I can tell changes… Read More ›

• Fixing SSL Labs Grade on F5 Big-IP – ECDH public server param reuse

  By GrumpyTechie on May 11, 2018 • ( 5 )

  

  As you might have noticed from the title, this is a bit of a weird one. In our last installment we managed to get our grade up to A from B finally, and while we’re not mounting our final assault… Read More ›

• Fixing SSL Labs Grade on F5 Big-IP – Weak Cipher Suites

  By GrumpyTechie on May 4, 2018 • ( 5 )

  

  Today we’ll take a look at fixing the error that kept us from getting a grade better than B last time. Last time we were left with this test result: “This server supports weak Diffie-Hellman (DH) key exchange parameters. Grade… Read More ›

• How to Configure SNMPv3 on HP/Aruba Switches – HP Networking Series Part 6

  By GrumpyTechie on April 25, 2018 • ( 0 )

  

  Configuring SNMPv3 can be a daunting task compared to earlier questions, just from the copious amount of authentication parameters compared to earlier SNMP versions. In this short primer I’ll walk you through the steps necessary to set it up to… Read More ›