Dennis Esternon

  • @djwisdom
  • Proud MCGI member. To GOD Be The Glory!
  • Philippines
Proud MCGI member. Thanks Be To GOD....  
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2021

Jul 24, 2021
Jul 24, 2021
Wrote an article
In one of my previous role, decades ago, I was part of a team that needs to support Applications running under NCR UNIX SVr4, I had to undergo company sponsored trainings of UNIX SVr4 End-User and Administration. That was my initial introduction to UNIX. And not having the immediate source code of UNIX available on the server opened my eyes to look elsewhere. Enter linux or GNU/Linux, depends on who you're talking to, and my view of Operating System and software in general was never the same since.

I immediately fell in love with 'Open source' and 'Free Software'. Linux pushed me to using most of what I learned from UNIX SVr4 trainings. The learning curve of switching from UNIX to Linux was almost painless. Back then, and still up to now, when you have a question about linux and its userspace applications, just 'go to the source'. This means reading the source code which can be installed on the host, if not yet already. In the succeeding years, I also learned about FreeBSD and the availability of its source codes. Learning is so much fun if you have both the running application and the source code from where it came from. In those days, tldp.org and slashdot.org were some of my favorite sites. Nowadays I pass some of my free time at github.com specifically on SerenityOS repo
Jul 22, 2021
Jul 22, 2021
Wrote an article
With the onset of the 'new normal', I had more time to reflect and think about my digital adventure. From the humble MS-DOS to Windows 3.11. Then up to the present Windows 10/11 and everything in between. In between refers to Solaris SVR4, Redhat, Mandrake/Mandriva, Solaris, SuSE, Ubuntu, Debian, CentOS, FreeBSD, NetBSD, OpenBSD, GhostBSD, LFS, Manjaro, ArchLinux, PopOS, RocketLinux, AlmaLinux, etc.

MS-DOS was my first introduction to computer software, or to computers for that matter. The screen was black and one had to use the keyboard in order to get the computer to 'do something'. It was new, it was terse, the learning curve was quite steep, this was coming from a total noob at that time.

Fast forward to today, there are more options to choose from. From the many linux distributions that suits your fancy, to the mainstream OS (Windows/Mac), to those that has community support like Haiku, ReactOS and SerenityOS.

The list is by no means complete, just head over to distrowatch.com to have an idea of the different Linux/BSD distributions in existence.

2020

Mar 02, 2020
Mar 02, 2020
Started a new role at Willis Towers Watson
Excited to join Willis Towers Watson as Lead Associate - Systems Development! 🎉
Lead Associate - Systems Development, Willis Towers Watson

2014

Mar 07, 2014
Mar 07, 2014
Started a new role at Asurion
Excited to join Asurion as Infrastructure Administrator II - Linux

2012

Feb 06, 2012
Feb 06, 2012
Started a new role at Pteris Global Ltd SG
Excited to join Pteris Global Ltd as Linux System Administrator

2008

Dec 15, 2008
Dec 15, 2008
Started a new role at ValueCommerce, Philippines
Excited to join ValueCommerce Co. Ltd. Philippines as Linux System Administrator
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