Author Archives: George Valentin Voina

IoT: House Alarm

By | February 9, 2017

An IoT house alarm is just great. You get all the control and monitoring from a mobile device you always carry around. I have chosen as a solution: iSmartAlarm ISA3G Home Security Alarm System Features: – has a build in node station with siren – supports contact sensors: iSmartAlarm Accessories – Contact Sensor – supports… Read More: IoT: House Alarm »

Blog Links: Another nice post about Blockchain

By | February 8, 2017

The blockchain hype starts to get noticed also by the mainstream IT press. A very nice and detailed article about the current state and the possible future applications of blockchain in PC Magazine. Blockchain: The Invisible Technology That’s Changing the World Also related to this topic is the following article about The Meaning of Decentralization… Read More: Blog Links: Another nice post about Blockchain »

Debug tools for enterprise environments

By | February 8, 2017

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 »

Backup: Scheduled backup with #Yosemite Server Backup

By | May 29, 2017

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 »