$ cat post/netstat-minus-tulpn-/-i-watched-the-memory-climb-slow-/-root-remembers-all.md
netstat minus tulpn / I watched the memory climb slow / root remembers all
Title: The Y2K Echoes and Linux on My Desk
September 4th, 2000. It’s hard to believe it’s been over a decade since the millenium, but we’re still feeling those echoes of that strange little event. I was working as an operations engineer at the time, dealing with servers, networks, and databases—basically everything that kept our e-commerce platform up and running.
One evening, around 20:30, my pager buzzed like it did almost every night. This wasn’t a usual call though; my manager said it was critical, something I needed to look into immediately. We had just finished a major upgrade on one of our servers, and now it seemed that there were issues cropping up everywhere.
I grabbed the server logs and started digging in. The error messages were vague, but pointed towards some kind of configuration issue or maybe even a permissions problem. The server was running Linux, which was still pretty new to me, having come from a Windows background. I spent an hour trying to figure out what had gone wrong, but it felt like the whole system was against me.
Finally, just as I was about to call it quits and go home, something caught my eye—a message in the logs that hinted at a permissions issue with a critical file. It turned out we hadn’t properly set the ownership on one of our log directories, which had caused all sorts of downstream issues. After fixing that, the system stabilized.
Reflecting on this experience, I couldn’t help but think about how much has changed since 1999. The Y2K scare was a big deal back then, and while it passed without a single incident, it left us with a heightened sense of preparedness and awareness. Now we’re dealing with new challenges—IPv6 is starting to gain traction, VMware is making waves in virtualization, and Linux on the desktop is finally getting serious.
The tools I had at my disposal were primitive compared to today’s standards. We didn’t have fancy monitoring tools like Grafana or Prometheus; we used a combination of custom scripts, SNMP, and our own metrics server running Perl scripts. The network was still mostly TCP/IP with plenty of IPX/SPX hanging around, and Apache and Sendmail were the go-to for web servers and mail, respectively.
One thing that really struck me as I was working through this issue was how much manual configuration and troubleshooting there still was. With tools like Docker and Kubernetes available now, it’s almost unfathomable to think about managing a server farm with just a few simple scripts and a lot of patience. Back then, every line in your config file could be the difference between life and death.
As I packed up my stuff for the night, I couldn’t help but wonder what the next wave of technology would bring. Would we see more consolidation with cloud services, or would there be a resurgence in self-hosted solutions? Only time would tell, but one thing was certain: the tech landscape was constantly evolving, and you had to stay on your toes.
That’s where I left it that night, just another day in ops, but full of lessons learned. Who knew what challenges awaited us in the future? One thing is for sure—nothing stays the same in this industry.