The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Hardware’ Category

Packet Sender is a good tool when debugging protocols: free utility to send & receive network packets. TCP, UDP, SSL

Posted by jpluimers on 2018/03/07

It was fitting to bump into [WayBack] Packet Sender is a good tool when debugging protocols…” Written by Dan Nagle… – Lars Fosdal – Google+ on the day presenting [WayBack] Conferences/Network-Protocol-Security.rst at master · jpluimers/Conferences · GitHub

It also means that libssh2-delphi is getting a bit more love soon and will move to github as well after a conversion from mercurial.

Some of the things I learned or got confirmed teaching the session (I love learning by teaching):

Here is some more info:

–jeroen

Read the rest of this entry »

Posted in Communications Development, Delphi, Development, Encryption, Hardware, Harman Kardon, Home Audio/Video, HTTP, https, HTTPS/TLS security, Internet protocol suite, Let's Encrypt (letsencrypt/certbot), OpenSSL, Power User, Security, Software Development, TCP, TLS | Leave a Comment »

mikrotik CRUD examples for all APIs · danikf/tik4net Wiki

Posted by jpluimers on 2018/01/25

tik4net – Connect from .NET C# application to mikrotik router via ADO.NET like API or enjoy O/R mapper like highlevel api.

Source: CRUD examples for all APIs · danikf/tik4net Wiki

[Archive.isC# API – tik4net on GitHub – Page 2 – MikroTik RouterOS

–jeroen

 

 

Posted in .NET, C#, Development, MikroTik, RouterOS, routers, Scripting, Software Development | Leave a Comment »

Best SSDs: Holiday 2017

Posted by jpluimers on 2018/01/15

Not just a great overview for the season, but also a good overview on what the state of the art in various SSD products is: [WayBackBest SSDs: Holiday 2017.

Recommended reading when you are looking for SSDs

–jeroen

Posted in Hardware, Power User, SSD | Leave a Comment »

hardware rec – When to stop using a hard drive? What rules/software apply? – Super User

Posted by jpluimers on 2017/12/22

A kind of repeat of a 6 year old post, as by now this has much more information: [WayBackhardware rec – When to stop using a hard drive? What rules/software apply? – Super User.

It is a continuation for another drive of my 2011 post hard drive – When to stop using a HDD? What rules/software apply?.

Basically I was unlucky receiving a brand new drive that appeared exceptionally slow and doing some ticking.

So I ran these on it:

–jeroen

Sorry for the “missed schedule”, but WordPress.com is acting up again:

Since I ran this machine on Windows and I didn’t have time to run locally, these are the tools I used:

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Posted in Hardware, LifeHacker, Missed Schedule, Power User, SocialMedia, WordPress | Leave a Comment »

CPU FAN header is called FANA on SuperMicro X10SRI-F and X10SL7-F – Onboard LSI

Posted by jpluimers on 2017/12/22

The SuperMicro X10SRI-F and X10SL7-F boards are very similar, so I was happy that [WayBackSuperMicro X10SL7-F – Onboard LSI pointed out where the CPU fan was: it’s header FANA which isn’t exactly clear form the X10SRI-F motherboard PDF manual [WayBack]:

FANA is the CPU fan connector

 I never realized that. What is this based on? The manual seemed to be silent about this.

(I connected my CPU fan to the closest fan connector and everything works like a charm, but I’m still curious).

 The manual is indeed pretty much silent, although it does IMPLY that FanA is for the CPU.   It shows “FAN1-FAN4,FANA” and then says “System/CPU fan headers”.   You can read this as 5 fan headers that are the system and CPU fan headers; or as 4 headers and one more that are the system fan headers and the CPU fan header.

–jeroen

 

Posted in Hardware, Mainboards, Power User | Leave a Comment »

OpenBSD on PC Engines APU2 | Hacker News

Posted by jpluimers on 2017/11/21

Via [WayBackOpenBSD on PC Engines APU2 | Hacker News and [WayBackIlya S – Google+ commenting at [WayBack] I am thinking about moving to BSD as my main OS – Joe C. Hecht – Google+:

Just in case I want to build my own router on PC Engines APU2 hardware: installation instructions at [Wayback/Archive] elad/openbsd-apu2: OpenBSD on the APU2

–jeroen

Posted in APU, Development, Hardware, Hardware Development, Internet, Network-and-equipment, Power User, routers | Leave a Comment »

Some links on isolating parts of networks with Mikrotik

Posted by jpluimers on 2017/11/10

On my research list so I can do proper LoT.

–jeroen

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Posted in Development, Internet, MikroTik, Power User, RouterOS, routers, Scripting, Software Development | Leave a Comment »

How to connect S+DA0003 using SFP between MikroTikCRS226 and MikroTikCCR1009

Posted by jpluimers on 2017/10/30

Mikrotik and SFP versus SFTP+ is always confusing especially as the text on their equipment and their documentation doesn’t show well which situations work.

Equipment text is further on, this is their text searchable documentation:

As usually, a long search in the forums reveals the background information:

[WayBackSFP in SFP+ slot – MikroTik RouterOS: 10Gb SFP+ sockets are usually backward compatible with SFP, but this is not guaranteed.

There are two tricks involved to get an SFP connection between these devices working:

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Posted in Internet, MikroTik, Power User, routers | Leave a Comment »

Need to give this some thought: multi-LAN on Mikrotik

Posted by jpluimers on 2017/10/27

Maybe for my LoT (LAN of Things): having multiple (even many) local LANs some each with their section of LoT equipment nicely separated and partially being able to talk to some of the other LANs or part of the outside world.

Some links that might help me getting this set up:

The basic plan:

  1. Configure each port or grouped (with ethernet master-port or maybe bridged) of ports having their own address pool and DHCP server so each of them are in a separate private network
  2. Routes between the networks so they can be accessed
  3. NAT mangling so the networks can reach the other networks or outside world without exposing their private network addresses
  4. Firewall rules to permit/limit which networks can see each other or the outside world

WinBox displays routes in various colors [WayBack]:

  • Black – active
  • Blue – inactive
    • interface not up or disconnected
    • other route with higher precedence already covers this route
  • Red – invalid
    • interface does not exist
    • interface is disabled
    • IP address not on that interface any more

Sometimes they show as blue while still being legitimate. Not sure why yet.

–jeroen

Posted in Development, MikroTik, RouterOS, routers, Scripting, Software Development | Leave a Comment »

OS X Mountain Lion and up: Zoom content on the screen

Posted by jpluimers on 2017/10/27

"Preferences

Accessibiity -> Zoom -> enable checkbox” class=”size-medium” /> Preferences -> Accessibiity -> Zoom -> enable checkbox

I didn’t know this was built-in since Mountain Lion and up, but it is, is startable from the keyboard and it’s tremendously convenient when presenting: [WayBack]: OS X Mountain Lion: Zoom content on the screen.

TL;DR:

  1. System Prefrecences
  2. Accesibility
  3. Zoom
  4. Checkbox

–jeroen

Posted in Apple, iMac, Keyboards and Keyboard Shortcuts, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, MacMini, macOS 10.12 Sierra, OS X 10.10 Yosemite, OS X 10.11 El Capitan, OS X 10.8 Mountain Lion, OS X 10.9 Mavericks, Power User | Leave a Comment »