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Retrocomputing
Rui F Ribeiro's user avatar
Rui F Ribeiro's user avatar
Rui F Ribeiro's user avatar
Rui F Ribeiro
  • Member for 8 years, 2 months
  • Last seen more than a week ago
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About

Longtime net/Unix sysadmin, ISP background, Unix and network security consultant. *BSD fan. First ZX Spectrum emulator for Windows. FreeRadius / EDUROAM / DNS / DHCP / Anycast specialist. Specialized in Debian and cloud migration. Was an expat 6 years in Africa. Worked for Academia twice. Internacional corporate consultant for a couple of years. Worked for a couple of ISPs. Nowadays working for the local biggest ISP provider as Linux Cloud specialist.

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33
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96
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11
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Top posts
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75
How were the first ZX Spectrum games written?
Jul 18, 2017
22
Copying tapes "back in the day"
Dec 5, 2018
19
First computer emulator in Windows
Mar 29, 2017
19
Why did the IBM PC need a sound card?
Mar 1, 2018
12
Did the Timex Sinclair 2068 and the Sinclair ZX Interface 2 use totally different hardware and software techniques?
Apr 27, 2020
12
How can I reverse-engineer the game Wizardry (1981) for PC, based on UCSD Pascal?
Feb 10
11
Zilog Z80 estimated time discrepancy
Feb 11, 2020
11
Origin of copy-protection dongles
Apr 8, 2018
10
What caused the demise of BASIC/BASICA in the late 1980's?
Jun 2, 2018
9
Fire button of Timex TC/TS 2068 Joystick
Oct 16, 2022
Top network posts
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168
If Linux is only a kernel, then how were its first versions used (without distribution)?
156
Why are true and false so large?
146
Chrome: DNS requests with random DNS names: malware?
105
Chrome: DNS requests with random DNS names: malware?
105
"WannaCry" on Linux systems: How do you protect yourself?