This is a common issue in the new Linux kernels discussed on many forum threads. There is a long thread here about this problem. In short the issue is that when you run out of memory “kswapd0” a kernel process than manages virtual memory will start moving “old memory entries” to swap. The “run out… Read More: A solution for kswapd0 going haywire on #Linux »
The AIY project from Google or Create a voice kit with your Raspberry Pi is a wonderful gift from Google. I got it last year after a long preorder wait from ModMyPi. The kit is nice comes with a do it yourself cardboard case, that is nice but obviously not to be used as a… Read More: #RaspberryPi #AIY Project with #ModMyPi case »
Sometimes very annoying things can be removed with a simple SQL commands which nobody remembers because is used so rarely. For example when we have to update a database schema and remove a not null constraint on a column. There is a short one liner for it: ALTER TABLE my_table ALTER COLUMN name DROP not… Read More: Drop a not null constraint with #SQL »
The world smallest cluster has a new sleek case from ModMyPi the ModMyPi Cluster HAT Case The cluster is made of a Cluster HAT that creates the smallest cluster: 1 Raspberry Pi and 4 Raspberry Pi Zero for a total of 8 cores and 3GB of RAM. The case comes in a plain box: All… Read More: #RaspberryPi cluster with #ModMyPi case »
It looks like the Microsoft SQL Database Mirroring a feature I used a lot and for which posted a step by step tutorial that proved to be very popular was deprecated by Microsoft. In a news article on Microsoft site the alternative is presented “Basic Availability Groups (Always On Availability Groups)”. I will summarize in… Read More: #Microsoft SQL Server: Database #Replication (Mirroring) deprecated and replaced by… »
Running NetFlix on a Raspberry Pi is a fantastic way to carry your Netflix account with you in a light mode way without relying on a laptop or entering your credentials on unknown insecure terminals. You need: – a Raspberry PI – preferably with head radiators or better already equipped with a with a fan.… Read More: #RaspberryPI as portable #NetFlix media player »
I upgraded my personal network with another Ubiquiti device, this time a “UniFi AP-AC-Pro”. The sad part is that to get all the features, like extra control and statistics you need to install a Unifi Controller Software. I hate the idea of network software running on a Windows desktop so I tried to find a… Read More: Monitoring @ubnt based home network with @UNMS and @UnifiController with… »
This product Zifilink is so weird that I am doing free advertisement for it. This is what happens when there are lots of mobile providers in a market and all have shitty mobile data signal. I present you the “make your own mobile gigabit” with a dongle Frankenstein tree 🙂 Come on ! look at… Read More: Bad #mobile data #infrastructure generates Frankenstein solutions »
I hate when you go on Holiday outside EU and your internet sucks and data roaming charges would cover Mars roaming. Lucky for me this is what I noticed in my nice Mauritius Holiday, they discovered Ubiquity devices 🙂 I think I counted like 20 UBNT Wi-Fi repeaters throughout the resort, in the palm trees.… Read More: #ubnt made my Holiday better. »
I like to see random ideas that make boring stuff fun. I give you Frankfurt airport luggage roulette. So next time you get to Frankfurt and have to take your stuff from belt 2 you can place your bets there.