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Rui F Ribeiro's user avatar
Rui F Ribeiro's user avatar
Rui F Ribeiro's user avatar
Rui F Ribeiro
  • Member for 9 years, 2 months
  • Last seen this week
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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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Top posts
View all questions and answers
answer
168
If Linux is only a kernel, then how were its first versions used (without distribution)?
Aug 7, 2018
answer
157
Why are true and false so large?
Jan 25, 2018
answer
143
Chrome: DNS requests with random DNS names: malware?
May 7, 2017
question
104
Chrome: DNS requests with random DNS names: malware?
May 7, 2017
answer
103
Understanding what a Linux binary is doing
Jan 19, 2018
answer
100
"WannaCry" on Linux systems: How do you protect yourself?
May 25, 2017
answer
95
Way to instantly fill up/use up lots of disk space?
Jun 29, 2016
question
95
No sha256sum in MacOS
Feb 27, 2018
answer
84
Unable to add gpg key with apt-key behind a proxy
Apr 25, 2017
answer
66
How to get the IPV4 address for an interface from /proc
May 15, 2017
Top Meta posts
2
9
56
Why is Kali Linux so hard to set up? Why won't people help me?
27
Unauthorised web scraping of Unix & Linux?
16
What should we do about Kali Linux questions?
11
Users deleting their questions after receiving answer as comment (stop answering in comments)
9
Getting to know you: who are you and why do spend time on unix.se?
Top network posts
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75
How were the first ZX Spectrum games written?
63
Special meals on long-haul flights
58
My company committed to having me 4 months overseas without asking. How do I approach this?
36
Is it polite to ask the company to mention the future raise -which we had discussed in interview -in their written offer?
30
Am I experiencing a brute force attack?