Finding references to lazily unmounted filesystems
Just because a file system is lazily unmounted (or so claims the mount command and /proc/mounts), doesn't mean it is no longer in use. Here's...
OCaml for the Sysadmins
I sent a link to Yaron Minsky’s article OCaml for the Masses to some long time buddies of mine and one of them said that...
By: John Kilburg
S-Expressions in ruby
We use a lot of S-Expressions at Jane Street. Almost every system written at Jane Street in OCaml uses sexps for config files, and we...
By: Ralph Douglass
Linux disk crypto, now with ease
Imagine that you want to host a Linux machine outside of your own physical control. Imagine that it can get resold later to people who...
By: Pavel May
ML workshop
The upcoming ML workshop is September 13th in Copenhagen. The goal is to bring together users and researchers, with users particularly welcome to propose a...
By: Stephen Weeks
Do you solve real problems with FP? Then come talk about it at CUFP!
The 2012 CUFP call for presentations is out. CUFP is the Commerical Users of Functional Programming workshop, and it’s a great place to interact with...
By: Yaron Minsky
The adventures in NIC bonding
So. Had an interesting problem happen. On a CentOS 5.5 system (2.6.18-194.26.1.el5), an attempt was made to establish a 3-way LACP-style (aka 802.3ad) bonded NIC...
By: Pavel May
OpenLDAP, DBD, and you.
So, today we’ve had us a wee bit of an issue with our OpenLDAP servers – to LDAP clients, the server, on attempts to do...
By: Pavel May
Iterative email problem solving with python, Part 2
Once we’d fixed up all our message IDs (see part 1) we let imapsync loose on the first few beta testers who noticed that the...
By: Patrick Hahn
Iterative email problem solving with python.
One of the little joys of being a sysadmin is being able to solve a problem by composing a highly specific tool out of a...
By: Patrick Hahn
Making staging explicit
We just had an interesting discussion around the office about staging and curried functions. I was reading over a new string-escaping routine, which had the...
By: Yaron Minsky
Fork Core!
We’ve now put our collection of open-source libraries out on bitbucket. You can find and browse the code here.
By: Yaron Minsky
Moving files via rsync
One of my favorite features in rsync is using it to ‘move’ files between boxes.
By: Ralph Douglass
OCaml, the ultimate refactoring tool
This is why I love OCaml.
By: Yaron Minsky
Announcing Async
We just released a new monadic concurrency library called Async.
By: Yaron Minsky
+'a and -'a
If you’ve ever wondered what it means in OCaml when there is a + or - in front of a type variable, read on.
By: Stephen Weeks
A mailing list for Core
After giving a tutorial on the Core libraries at CUFP, it’s become clear that we need to provide a more open forum for people to...
By: Yaron Minsky
Coming to ICFP/CUFP? Propose a BOF!
CUFP will again be having Bird-of-a-Feather sessions to discuss a variety of FP topics. Last year’s BOFs were a lot of fun, with topics ranging...
By: Yaron Minsky
