Tags: unix

07/29/13

  09:06:00 pm, by The Dreamer   , 729 words  
Categories: Operating Systems, FreeBSD, CFEngine

The risk of high uptimes....

There are Unix servers at work that have uptimes in the >1000 days, there are even servers with updates in the >2000 days, in fact there are servers that have now exceeded 2500 days (I'm looking at one with 2562+ days.)

On one hand there are SAs that see this as a badge of honor or something to have had a system stay up this long. OTOH, its a system of great dread.

A while back this system was having problems....its Solaris and somebody had filled up /tmp....fortunately, I was able to clean things up and recover before another SA resorted to hard rebooting it.

The problem with these long running servers, especially in a ever changing, multi-admin shop, is that you can't be sure that the system will come back up correctly after a reboot.

We've lost a few systems at work due to a reboot. Some significant ones as simple as replacing a root disks under vxvm and forgetting to update the sun partition table, or a zpool upgrade and forgetting to reinstall the boot. To more significant ones, where a former SA had temporarily changed the purpose of an existing system all by command line and running out of /tmp...so that after its been up for 3+ years and he's been gone over a year....patching and rebooting makes it disappear.... the hardware that the system was supposed to be on needed repair, but he had never gotten around to it.

It'll be interesting to see what happens should the system ever get rebooted.

:?: So, what brought this post one?

Full story »

08/26/09

  10:03:50 am, by The Dreamer   , 465 words  
Categories: Travel, Healthcare

I'm not going to #OhioLinuxFest, but I wish I was...

:..( I really wished I could be going to this years Ohio Linux Fest, some of the talks and the theme (40 Years of Unix) is interesting. Plus I wanted to see some of the past speakers again to see what a year has changed, and see meet the various fellow organizers that I've been working with online. Along with see some of the people that I won't be seeing since I'm not going to LISA this year.

Some of talks I probably wanted to see/hear include: Keynote Dr. Douglas McIlroy who developed UNIX pipes and UNIX tools such as spell, diff, sort, join, graph, speak and tr. Shawn Powers, who I used to watch in his video podcasts (I've fallen really behind....thinking of getting an iPod Nano or something?) Who I didn't get to meet at Penguicon due to standing in the beef line and other bad luck.

Though there was the conflict between "Shared Destiny: 40 Years of Unix, 40 Years of VM, and How They Came Together" and maco's talk "Sysadmins' Rosetta Stone", both of which I wanted to attend, though I probably would've gone with the first. Since I see going to OLF as 'vacation' rather than 'work'. Even though I'd probably end up doing some poking around at work by remote....though things this year...I might actually have less work to do while on vacation....

Thought it might be interesting to see what is covered at the DiOS (Diversity in Open Source) on Sunday. And, not because I think that someday I want to break back into contributing to Open Source projects, or something.

And, then there's the whole 'ex-IDIOT Doctor Who Fan Club'.

But, a few weeks ago I had a little accident on my bike....the kind where I stopped suddenly, and it happened in 3 stages.

First stage, the bike stopped instantly. Second stage, I went flying over the handle bars ... putting my right hand out in front of me to stop my head from hitting the pavement. Third stage, bike coming down on top of me...pulled over by my legs catching the handle bars.

My portion of the ER visit....that was the hotel room at OLF.

No broken bones, but had elbow and wrist contusions....in my right arm....loss of motion in both directions. Made it really hard to first few days to do basic things like bath, shave, dress, put on my CPAP mask....eventually inward motion returned (though painful)...but still can't straighten my arm, though it has improved a bit.

So the physical therapy cost will probably be at least the airplane ticket to OLF.

And, I wasn't entirely sure how I was going to pay for OLF as it was....was gonna tap my cruise fund to for part of it (with most of it going towards my later trip to Chicago TARDIS)....

Now instead of subjecting some poor random forum to a long rambling thought, I will try to consolidate those things into this blog where they can be more easily ignored profess to be collected thoughts from my mind.

Latest Poopli Updaters -- http://lkc.me/poop

bloglovin

There are 20 years 3 months 24 days 6 hours 38 minutes and 57 seconds until the end of time.
And, it has been 4 years 9 months 3 days 7 hours 23 minutes and 59 seconds since The Doctor saved us all from the end of the World!

Search

September 2017
Mon Tue Wed Thu Fri Sat Sun
 << <   > >>
        1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30  
Google

Linkblog

  XML Feeds

Who's Online?

  • Guest Users: 1
This seal is issued to lawrencechen.net by StopTheHacker Inc.
Social CMS software

hosted by
Green Web Hosting! This site hosted by DreamHost.

monitored by
Monitored by eXternalTest
SiteUptime Web Site Monitoring Service
website uptime