Posts

OSX - iCloud accounts broken after update to Catalina

Yay - that was happen to me. Magically I had two iCloud accounts, both not working - and no way to delete one of them via Settings -> Internet Accounts. After a few hours of googling, debugging I got it working again. And as usual I'd like to share that solution, I think I'm not the only one with that problem ;)
Be aware, that's a bomb solution, means it will reset all internet accounts - but also unfreeze all the broken stuff:

sudo -v ; killall -9 accountsd com.apple.iCloudHelper ; defaults delete MobileMeAccounts ; mkdir ~/Library/Accounts/Backup ; mv ~/Library/Accounts/*.sqlite* ~/Library/Accounts/Backup/ ; killall -9 accountsd com.apple.iCloudHelper ; sudo reboot

So, why does that happen? Apple uses sqlite as backend for storing the informations, and sometimes this single instance get corrupted. Have fun!

Enabling IoT to establish a sustainable value chain

I wrote an article for CIO Applications, here's archive of it:
IoT devices are getting more and more intelligent and can now create meshed networks by itself, switching from a sensor into an actor and transferring informations only for the meshed neighbors. For example a connected car could tell the future home that the homeowner will be at home in 5 minutes and the garage door and the door need to be unlocked in time, the lights need to be switched on and the grid operator needs to be informed that the wallbox now charges with 22KW. In near future this will happen over direct meshed information cells, operated by always connected devices, wearables, sensors, actors, mobile devices - short: everything. And all cloud provider offer dozens of solution to master the challenges, on the one, other or complete different way.

Self-organizing mesh networking and communication comes with a permanent flow of information, massive IoT data streams even classic Big Data frameworks like Hadoop…

Infinimesh IoT / IIoT platform is starting up!

Today is a day we will never forget - infinimesh (https://www.infinimesh.io/) is starting and lifting off! Our Kubernetes, Apache Kafka ® and graph based Industrial IoT platform is entering the alpha stage! We have been working like maniacs over the past 14 months to bring a fully flexible, independent, patent and vendor lock-in free IoT platform to you! Soon it’s your chance to test and try it out, our closed alpha will be open for public on March 30, 2019 - Mark this date in your calendar!
An incredible platform comes to life We believe smart and connected devices bring our society forward. Smart technology uses resources only when they are really necessary and thus prevents waste. On the other hand, when really required, smart things act and hence prevent accidents or simply enable a great user experience. We have started infinimesh 100% Open Source, without patents or closed software. Any software components we have developed, and to this we commit going forward, will be open - fo…

Next Internet comes with IoT

The Internet we know is a great space for collaboration, social media and gaming. But when it comes to business or transactions, the power belongs to few big ones. Remember the S3 outage and half of the north-american services where offline? Or the Dny hack which kicked out half of the internet for hours? The next internet could be a blockchain based independent network, using as many protocols as available and there is no one person in control of it and it is run on the Internet.

In a nutshell, Blockchain is a decentralized system in which every transaction gets mathematically approved by the members of the system, therefore every member of that transaction knows about it. The information of the transaction is stored in the distributed servers of the blockchain. That makes manipulations highly impossible, and the transaction is also highly available at every time.

IoT devices are getting more and more intelligent and can now create meshed networks by itself, switching from a sensor in…

The Machine and BigData

HP’s „The Machine“ (1) project is in my eyes the most advanced in the IT world with the simple goal to rethink the entire computer design. And the plan is ambitious – the first edge devices shall be ready in 2018, industrialized series in 2020.

Will “The Machine” really revolutionize an entire industry mostly influenced by IBM? Let’s say it could and probably will with a high percentage of success.
Based on the idea of Memristor (2) the project uses memory based technology to store data. Nothing new here. New is the non-volatile usage. Data, stored in an Memristor, persists unless the storing bit gets cleaned and new aligned. Now, NVRRAM (non-volatile resistive RAM) it’s faster as volatile DDR4 modules (which they use at the moment until Western Digital can deliver NVRRAM modules) and factor 100x faster than current state-of-the-art SSD based technologies. The newest prototype has 40 nodes with approx. 160 TB DDR4-RAM and 1,280 Cores connected with X1 PM’s (Photonic Modules). Means…

The next stage of BigData

Right now, the terms BigData and Hadoop are used as one and the same - often like the buzzword of buzzwords. And they sound mostly as a last time call, often made by agencies to convince people to start the Hadoop journey before the train leaves the station. Don’t fall into that trap.

Hadoop was made by people who worked in the early internet industry, namely Yahoo. They crawled millions of millions web pages every day, but had no system to really get benefit from this information. Dug Cutting created Hadoop, a Map/Reduce framework written in Java and blueprinted by Google in 2004 (1). The main purpose was to work effectively with an ultra-large set of data and group them by topics (just to simplify).
Hadoop is now 10 years old. And in these 10 years the gravity of data management, wrangling and analyzing runs faster and faster. New approaches, tools and techniques emerging every day in the brain centered areas called Something-Valley. All of those targeting the way we work and think …