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There's lot of tips and recommendations of cruise trip preparation. As a tech person, I summarized some tips focusing on IT technology based on recent cruise trip which …

There's bunch of instruction talking about how to reset password on raspbian. But they all require physical access to the raspberry pi and take out the SD card and need …

The IT technologies are changing from closed on premise infrastructure to cloud platform. Security is no longer segregated trusted zone but more zero trust approach. Wha…

Leveraging Pi-Hole, you can force kids to redirect google search traffic to google safesearch, safe youtube and etc. Here's the script I use in Pi-Hole dnsmasq config…

There is a need to provide some level of parent control and kids safe Internet access at home. Using OpenDNS is a easy and cost free solution. To customize the web se…

Background: I have a spare Cisco Aironet 3702i but I do not have Cisco Wireless Controller to manage it. But I do like its wireless capability and I want it to replac…

Trust Is Tops Only use trusted apps or software.Download apps directly from trusted app stores such as iTunes and software from well-known sites. Be especially care…

SSL / TLS / HTTPS Is TLS fast yet – A great site debunking the myths of SSL/TLS speed cost Firesheep – A watershed moment for SSL by demonstrating the ease with …

According to this post at F-Secure’s site (http://www.f-secure.com/weblog/archives/00001569.html), at the 25th Chaos Communication Congress in Berlin, a presentation tit…

9月8日消息，据国外媒体报道，德国信息安全办公室（BSI）在对谷歌新推的Chrome浏览器进行测试后建议网民：除尝试外，尽量避免使用Chrome测试版。据悉，BSI对Chrome十分不满，认为Chr…