it Articles

  • 2024-07-15
  • it

Arranging a CTF - a Security Workshop

I organized a cybersecurity workshop during my last few days at IQM. The attendees included: Myself, taking on more of a coaching role and solving some challenges in advance to provide hints. Some participants who had attended my previous events. a few that had previously tried and solved security challenges …

  • 2024-05-05
  • it

Slow Startup?

Slow Startup Does this happen on your computer? After starting start menu / task bar might become unresponsive After opening browser it takes a while (lots of seconds) before pages starts to load Try these things It is often/always DNS. Is one of the DNS server your computer is set …

  • 2024-03-15
  • it

Four Years of Learning and Growth at IQM

It's hard to believe that it's already been four years since I first joined the team at IQM, completely new to the exciting world of Quantum Computing. It's been an incredible journey filled with learning, challenges, and a sense of accomplishment. Starting Fresh, Building Confidence The supportive environment at IQM …

  • 2024-01-29
  • it

Raspberry Pi 4 network disconnects

What was going on? The wired network connection lost connection every now and then. Most of the time this didn't bother because buffering but sometimes it did annoy. This was on Raspian 11 and a raspberry 4. This was visible in dmesg -T output: [Mon Jan 22 20:48:23 …

  • 2024-01-29
  • it

Raspberry Pi 4 verkkoyhteyden katkeaminen

Mitä tapahtui Langalla verkkoyhteys kotona katkkeili usein. Yleensä ei ollut ongelmä mutta pikkuhiljaa puskurointi ei auttanut enää. Tämä oli näkyvissä dmesg -T: [Mon Jan 22 20:48:23 2024] bcmgenet fd580000.ethernet eth0: Link is Down [Mon Jan 22 20:48:34 2024] bcmgenet fd580000.ethernet eth0: Link is Up …

  • 2023-11-27
  • it

Google AppEngine Exceeded hard memory limit of

Have you seen these error messages before? 10:22:23.481686Z Exceeded hard memory limit of 384 MiB with 400 MiB after servicing 3 requests total. Consider setting a larger instance class in app.yaml. 10:18:23.473577Z Exceeded hard memory limit of 384 MiB with 393 MiB after …

  • 2023-10-30
  • it

Linux World Cup - 2023

spoiler alert! Top 3 Position Competitor Alias Total Time to Solve 1 aretea 42 mins 13 secs 2 & 3 martbhell 47 mins 12 secs 2 & 3 mgubenko 47 mins 21 secs The challenges Recording from this event Chennai I was best! Took 21mins 28seconds Still 21 minutes was quite a …

  • 2023-08-13
  • it

fixing sad servers in challenges!

Have been trying these web based Linux servers challenges out for a little while. seems to be a young service. They have a Linux World Cup coming up soon. Today is the last day to register! After participating in CTF these challenges were not so hard but interesting with new …

  • 2023-06-13
  • it

Raspberry Pi 4 with external SSDs

Why This Exercise? Before this post I had an old mini-itx server with ssds at home. a 120GB, 4TB and a 2TB SSD all from Samsung, and one fourth 1TB now broken/missing one device that doesn't power on anymore :/. This really shouldn't have been an issue but I didn't …

  • 2023-04-20
  • it

Using Chat GPT or other LLM at for hobby projects

I find myself using chatGPT or similar like phind recently to help with some computer programming tasks. I'll probably post more about what I'm using it for at work too. It's a thing that's up-and-coming so seems like something useful I could learn! Some reasons why I used it during …