IT Infrastructure Management
Default Gateway
AI Synthesis & Market Narrative
The articles detail ongoing challenges in fundamental IT infrastructure management, including mastering Git, server configuration, and firewall rule implementation. While "Default Gateway" is not explicitly mentioned, these topics underscore the complexities of network and system administration.
Correlated Linguistic Patterns
["Google Gemini"
"Git"
"Vultr"
"OS changes"
"ipfw"
"firewall rules"
"FreeBSD 15"
"local web server"]
Driving Media Context
More ipfw strangenesses
Yesterday I discovered that ipfw can “forget” rules with high numbers: I
couldn't modify rule 66635 (2¹⁶ - 1), and when I added rules 65534 and 65000, they
d...
Vultr wakes up
Still no response from Vultr about
the OS changes that had allowed lax.lemis.com to boot again, though I had asked
twice. Tried again for a third time, and t...
Git: breakthrough
So how do I proceed with my understanding of git? Ask Google Gemini. And sure enough, I got reasonable answers. After cloning the src repository yesterday (r...
Learning git
Before setting up the new National Broadband
Network link, I should bring my local web server up to date. That means getting a
source tree for FreeBSD 15.
...
Sleeping vultures
I was quite impressed by the speed with which Vultr brought lax.lemis.com up again
on Monday. But the follow-up was not so good. They wrote “We were able to ...
More tidying up
So: do I dare try again with ipfw? After all, it always worked in the past. So I
tried not one, but two levels of caution on hydra. On a vty, of course:
...
Why external web servers?
I've been running an external web server for over 20 years. Why?
In those days, the answer was obvious: my connection to the Internet was slow and
unr...
Recovering after disaster
After yesterday's disaster, I was worried about further problems with hydra this
morning. Why did it crash in the first place? All I did was run nmap—if, ind...
System down, won't come up, customer screaming for blood
At Tandem, we had three categories of support requests (“User perceived severity”): 1 was
the least serious, 3 the most. Internally we had descriptions, most...
Replacing named
Once again problems with named on lax.lemis.com. Why do I have so much
trouble? I got it working again, but in the meantime there were significant delays. Sh...
SaaS Metrics