The IoT (internet of things) is one of the new craze around. There are so many interesting devices but also many useless devices that are part of the IoT universe that it can be confusing. To try to list bellow my IoT collection of devices and say some words about them. House Alarm: IoT: House… Read More: My IoT setup »
I keep track on the blockchain related news and the following are some new topics. A new trend of discussions started everywhere and is trying to find useful applications for blockchain to new domains. The following article tackles the topic of: IoT and Blockchain Convergence: Benefits and Challenges An interesting discussion thread on Quora about… Read More: Blog Links: Blockchain news »
There are various tools that I use to spot issues and investigate an enterprise environment. One of my favourite tools is IBM Performance Analysis Suite. Capabilities described by IBM: Import all kinds of performance data for analysis. Some examples: DB2 snapshot, Java verbose GC output, Java thread dumps. Import software/middle-ware configuration for compliance checking. Some… Read More: Debug tools for enterprise environments »
Everybody knows that backup is important and having a backup setup on an external resource as remote server or tape drive is even better. I wanted to set up an automatic backup that does not require a lot of intervention, to safeguard the most important data hosted on my servers: the owncloud storage space and… Read More: Backup: Scheduled backup with #Yosemite Server Backup »
I always missed some nice Linux tools when I work on Windows. I know that is nice to have a fancy GUI but sometimes you cannot do even simple things without paying a lot for some bloated application. There is the simple problem of optimizing pdf files, especially big manuals, pdf files containing images or… Read More: A free and new way to shrink pdf files in… »
Some interesting blockchain related resources from the internet: The Chain API (a very easy to use) blockchain infrastructure. One of the easiest to use library and with a nice written tutorial. So spin your blockchain network in minutes with it. See Chain tutorial and the API JavaDoc A nice article putting blockchain in the context… Read More: Blog links: Blockchain news »
There is a new tool from Google available to all that want to keep a backup of their Google data. I know that Google means “free” mail and “free” cloud space for lots of you but for the faint hearted a backup is always welcome. If we look at the Yahoo issue (due to bad… Read More: Back-up your Google data »
Starting with build 1607 finally Windows 10 has a Linux in it. To enable the Linux user space (basically an Ubuntu) the following has to be done: STEP 1: Update Windows to 1607 Make sure you update Windows 10 to a build at least 1607. STEP 2: Activate developer mode Settings -> Updates & security… Read More: Windows finally has an OS in it »
GlassFish MQ is a very powerful messaging server solution if correctly configured. By default the MQ server is defined to store the content of queues on files on disk, is accessible through insecure connections and has lots of limitations for message size or number of consumers/producers associated with a queue. This default setup is OK… Read More: Glassfish MQ: Secure, database backed GlassFish MQ for high volume… »
Everybody knows the importance of a daily back-up. There are a lot of tools with fancy GUIs and useless information but sometimes the best is to keep it simple. Linux offers some very powerful build-in ways of creating a perfect backup. The scope is to create a secure incremental automatic daily backup without using fancy… Read More: Backup: Daily back-up on external encrypted disk with rsync and… »