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alexandermensa  Twitter Profile
Alex Williams
Alex Williams
Followers:   127
Following:   92
Updates:   1091
Montreal
http://www.alexwilliams.ca
Bio:
 IT Guru and R&D
   
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Alex Williams
alexandermensa "With My Bell, you can only change your programming lineup for another of equal or greater value". - #Bell #FAIL #WTF - What the hell?!*#
about 1 hour ago from Tweetie
Alex Williams
alexandermensa "Access to your account is currently unavailable from 23:00:00 to 07:00:00 due to daily system maintenance" - #Videotron #FAIL #WTF
about 1 hour ago from Tweetie
Alex Williams
alexandermensa @ianlandsman I think that merits a short blog post wouldn't you agree? ;)
about 10 hours ago from Tweetie in reply to ianlandsman
Alex Williams
alexandermensa "In order to redirect your letter, the sender must mail us a written authorization..."
7:40 AM Mar 10th from Tweetie
Alex Williams
alexandermensa @spiderik ahahaha I was just looking for that yesterday! coool thanks!
1:37 AM Mar 10th from Tweetie in reply to spiderik
Alex Williams
alexandermensa @linbit_drbd ok I figured it out. 128MB for each meta-disk, (32KB * partionsize) for flexible-meta-disk, crazy formula for internal
3:36 AM Mar 9th from Tweetie
Alex Williams
alexandermensa @linbit_drbd I'm confused about external metadata (meta-disk), Chapter 18 shows how to calculate the size, Appendix A says minimum 256MB..
3:16 AM Mar 9th from Tweetie
Alex Williams
alexandermensa No, it's true. RT @jfchevrette: Sometimes I wonder if amazon's shipping is gimmick. Free shipping and I get my items next day.
3:00 AM Mar 9th from Tweetie
Alex Williams
alexandermensa To the inventor of the killall5 command... thanks for creating the most useless command ever.
2:56 AM Mar 9th from Tweetie
Alex Williams
alexandermensa @DrGkill Sure! There's a good Keepalived load-balancing example here: http://bit.ly/cVItBU .You can also use (lb_kind DR) to avoid LB SPOF.
11:07 AM Mar 8th from Tweetie in reply to DrGkill
Alex Williams
alexandermensa RT @alexandermensa Nice formula #DRBD: ((C/2^18) * 8 + 72)/2048 - calculating exact meta data size (in MB), C being the number of sectors.
8:18 AM Mar 8th from web
Alex Williams
alexandermensa Every day I learn some new and useful GIT commands, and every day I love #GitHub even more.
7:28 AM Mar 8th from Tweetie
Alex Williams
alexandermensa @DrGkill Instead, you can load-balance the 'writes' directly using Keepalived virtual_server and real_server... no proxying.
6:51 AM Mar 8th from Tweetie in reply to DrGkill
Alex Williams
alexandermensa @DrGkill If you're using HAProxy for long/persistent connections, your (web) application also needs to ensure atomicity.
6:30 AM Mar 8th from Tweetie
Alex Williams
alexandermensa @DrGkill yes that is partially true. Are you load-balancing writes to multiple DBs? If not then you don't the DB behind HAProxy.
6:26 AM Mar 8th from Tweetie in reply to DrGkill
Alex Williams
alexandermensa @DrGkill Hi, I don't use conntrackd... only keepalived with LVS (IPVS) for failover.
5:55 AM Mar 8th from Tweetie in reply to DrGkill
Alex Williams
alexandermensa Won't be attending/speaking at Confoo or SXSW this year... but next year... just wait and see ;)
3:14 PM Mar 7th from Tweetie
Alex Williams
alexandermensa There's lots of info on how to "use" a #PubSubHubbub hub but not much on how to setup your own hub... still googling..
9:04 AM Mar 7th from Tweetie
Alex Williams
alexandermensa @superfeedr Hi. I'm trying to get my superfeedr updates on a Jabber client (Adium) but it doesn't work, any ideas?
6:55 AM Mar 6th from web
Alex Williams
alexandermensa @ctvmontreal technically it's still illegal to ride a motorcycle (in Quebec) - until March 15
4:34 AM Mar 6th from Tweetie in reply to ctvmontreal
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