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Technology

systemctl versus service in CentOS 7

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Well, traveling and working around the world, I did not keep up with any technology news.  Unfortunately for me, it meant I missed the change to systemctl to run daemon services with the newest release of CentOS 7.  Imagine last summer what I went through trying to get a server running after I upgraded it from CentOS 6 to 7.  Well, I have been looking for a good article to … [Read more...] about systemctl versus service in CentOS 7

Teaching Command Line in Shanghai 

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One of things I try to instill in my ICT and Computer Science students is the importance of the command line.  For most of us who learned how to use computers in the 1980s and 1990s, the command line was important.  I never used a graphical user interface until my father got the Amiga 500, a trusty ole computer that eventually pushed me to Linux.  Many of my students have … [Read more...] about Teaching Command Line in Shanghai 

Air Quality in Saigon 

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I brought my AQI monitor to Saigon. I was curious to see the air quality. Saigon's air is getting worse but I would argue it has always been bad. I still remember my black feet when moving to a villa in Thu Duc back in 2004. Anyway, here is a reading I got from the room I am staying in.  Not bad. With the air conditioner on, it drops below 50 which is healthy. I did a … [Read more...] about Air Quality in Saigon 

Waiting for the OnePlus Two

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Well, I am eagerly waiting for the replacement for my Samsung Note 4.  It seems that my replacement will be the OnePlus website Two which is set to be released on July 27th.  According to the OnePlus blog, there just be a final "teaser" of phone specs today.  So far I have not seen it.  As many users, I am anticipating the release of the phone but most likely I will not be able … [Read more...] about Waiting for the OnePlus Two