Phone call and SMS alerting for your monitoring systems | PagerDuty - Home
september 2011 by mcroydon
Monitoring the stuff that monitors your stuff.
monitoring
service
sms
support
sysadmin
september 2011 by mcroydon
logstash - open source log management
august 2011 by mcroydon
Log analysis software. Awesome mascot to boot.
log
logging
opensource
sysadmin
august 2011 by mcroydon
devstructure/blueprint - GitHub
march 2011 by mcroydon
Looks at differences between default installs and knows how to use various package managers. Pretty hot. Via Daniel.
chef
linux
server
sysadmin
march 2011 by mcroydon
Stack Exchange’s Architecture in Bullet Points - blog.serverfault.com
february 2011 by mcroydon
I'm actually a little shocked that their pageviews are as low as they are.
architecture
hardware
monitoring
stackoverflow
sysadmin
february 2011 by mcroydon
Multi-domain UCC SSL certificates on Nginx with 1 IP address | PlayNice.ly
january 2011 by mcroydon
Awesome and frightening.
http
nginx
security
ssl
sysadmin
january 2011 by mcroydon
mnot’s blog: Digging Deeper with htracr
november 2010 by mcroydon
"There’s a lot of current activity on the binding between HTTP and TCP; from pipelining to SPDY, the frontier of Web performance lives between these layers."
analysis
capture
cool
development
howto
http
innovation
node
networking
network
net
monitoring
javascript
monitor
node.js
performance
nodejs
protocol
svg
sysadmin
tool
tcp
tracking
visualization
webdev
htracr
pcap
raphael
sniffer
november 2010 by mcroydon
OpenTSDB - A Distributed, Scalable Monitoring System
november 2010 by mcroydon
OpenTSDB is a distributed, scalable Time Series Database (TSDB) written on top of HBase. OpenTSDB was written to address a common need: store, index and serve metrics collected from computer systems (network gear, operating systems, applications) at a large scale, and make this data easily accessible and graphable.
analysis
architecture
bigdata
cloud
data
database
db
java
lgpl
hbase
hadoop
development
graph
distributed
monitoring
nosql
opensource
operations
scalability
scale
time
sysadmin
software
storage
series
opentsdb
rrd
stumbleupon
time-series
timeseries
november 2010 by mcroydon
ImperialViolet - Overclocking SSL
november 2010 by mcroydon
How Google does it.
article
authentication
cost
crypto
network
cryptography
encryption
optimization
latency
internet
howto
google
http
performance
protocol
scalability
security
ssl
speed
server
web
toread
tcp
sysadmin
certificate
certificates
https
overclocking
tls
november 2010 by mcroydon
5 Minutes to Binary Replication
october 2010 by mcroydon
Postgres 9 the quick way.
database
databases
documentation
howto
infrastructure
sysadmin
replication
reference
postgresql
postgres
october 2010 by mcroydon
HAProxy - The Reliable, High Performance TCP/HTTP Load Balancer
october 2010 by mcroydon
It's easy to forget about HAProxy, but it's really good at quietly dishing up a ton of requests.
apache
architecture
balancer
cluster
clustering
ha
loadbalancing
load-balancing
load
linux
http
highavailability
network
networking
opensource
performance
proxy
web
tools
tcp
sysadmin
software
server
scaling
scalability
webserver
october 2010 by mcroydon
Terminator
september 2010 by mcroydon
Get to the control-c choppa!
apple
application
applications
console
bash
cli
emulator
opensource
osx
macosx
mac
linux
java
freeware
free
productivity
programming
ruby
software
shell
sysadmin
ssh
windows
utilities
tools
unix
tool
terminal
cygwin
terminator
september 2010 by mcroydon
Stashboard: The open source status dashboard
july 2010 by mcroydon
"Stashboard is designed to provide a generic status dashboard for any hosted service or API. The code can be downloaded, customized, and run on any Google App Engine account."
api
app
appengine
cloud
dashboard
cloudcomputing
googleappengine
google
gae
free
django
design
monitoring
open-source
opensource
python
saas
rest
twilio
tracking
tools
status
sysadmin
software
service
uptime
web
webdev
july 2010 by mcroydon
GrandPerspective
may 2010 by mcroydon
This appears to be faster than DiskInventoryX.
app
apple
application
applications
apps
computer
disk
file
mac
macosx
graphics
freeware
free
filesystem
files
opensource
software
osx
space
storage
sysadmin
system
visualization
utility
utilities
tools
tool
harddrive
treemap
usage
may 2010 by mcroydon
Cassandra Internals – Reading
march 2010 by mcroydon
The companion to his writing-oriented Cassandra tour.
architecture
cassandra
database
data
distributed
internals
java
nosql
sysadmin
march 2010 by mcroydon
Notes from a production MongoDB deployment « Boxed Ice Blog
march 2010 by mcroydon
This seems like an awful lot of work for a relatively small document set.
2read
architecture
couchdb
database
databases
datacenter
linux
experience
distributed
development
deployment
db
mongo
mongodb
mysql
notes
nosql
performance
production
software
sharding
server
scalability
replication
programming
sysadmin
to_read
tips
web
march 2010 by mcroydon
A Note on the Recent Outages - GitHub
february 2010 by mcroydon
A closer look at GitHub's recent outages.
network
sysadmin
infrastructure
startup
monitoring
github
february 2010 by mcroydon
Pollution in 1/8 | RIPE Labs
february 2010 by mcroydon
An interesting look at some potential affects of bringing previously unallocated IP ranges online.
internet
network
sysadmin
february 2010 by mcroydon
rsync like backup to Rackspace Cloud File with duplicity @ Chmouel Blog
december 2009 by mcroydon
This makes backing up from Cloud Servers to Cloud Files pretty painless.
cloud
sysadmin
backup
rackspace
cloud-servers
cloud-files
duplicity
december 2009 by mcroydon
The Data-Crunching Powerhouse Behind ‘Avatar’ « Data Center Knowledge
december 2009 by mcroydon
"The system now occupies spot 193 through 197 in the Top 500 list of the most powerful supercomputers."
data
graphics
sysadmin
computing
movie
movies
3d
cloud
film
it
rendering
datacenter
supercomputer
cinema
ops
hpc
avatar
datacenters
weta
december 2009 by mcroydon
Installing Etherpad | Pauleira!
december 2009 by mcroydon
An in-depth guide at getting Etherpad working locally.
google
code
tools
howto
sysadmin
java
web2.0
hacks
editor
collaboration
scripting
ide
install
collaborative
editing
installation
etherpad
scala
hackernews
december 2009 by mcroydon
round-robin django setup with nginx - small py
december 2009 by mcroydon
Interesting tactic where multiple backends can be tried before returning an error if you set the timeout low enough.
python
web
django
server
scalability
performance
sysadmin
scaling
coding
http
deployment
infrastructure
traffic
webserver
nginx
config
load_balancing
roundrobin
december 2009 by mcroydon
Installing Apache Tomcat 6 and Solr nightly on Ubuntu 8.04
november 2009 by mcroydon
I can't wait for 1.4 to drop for reals.
howto
ubuntu
sysadmin
installation
solr
tomcat
november 2009 by mcroydon
Lessons from Rackspace's downtime
november 2009 by mcroydon
What's your plan for when the power goes out? How quickly do your services come back online?
sysadmin
work
computers
hosting
power
it
datacenter
rackspace
november 2009 by mcroydon
Traffic Server is finally here | Ogre.com
october 2009 by mcroydon
Yahoo! open sourced tech originally acquired from Inktomi. It's a caching proxy with some pretty advanced features.
web
software
opensource
server
scalability
internet
performance
sysadmin
todo
http
apache
cache
yahoo
nginx
proxy
trafficserver
squid
october 2009 by mcroydon
memcache-top - Project Hosting on Google Code
october 2009 by mcroydon
Handy, particularly if you've got a bunch of memcached instances.
programming
software
webdev
tools
opensource
free
server
sysadmin
coding
unix
db
perl
tool
memcached
key-value
admin
license:bsd
monitor
monitoring
script
administration
debug
memcache
scripts
top
october 2009 by mcroydon
How We Made GitHub Fast - GitHub
october 2009 by mcroydon
A fantastic peek behind the curtain.
programming
design
web
development
webdev
ruby
toread
erlang
server
rails
scalability
sysadmin
performance
architecture
scaling
article
hosting
http
redis
deploy
github
rubyonrails
infrastructure
ssh
inspiration
git
optimization
deployment
bert
unicorn
october 2009 by mcroydon
Some perspective to this DIY storage server mentioned at Storagemojo - c0t0d0s0.org
september 2009 by mcroydon
This addresses several of the shortcomings of the Backblaze high density disk storage system. This analysis is in line with some of my grumps but at the same time the Backblaze system is a pretty impressive thing despite its shortcomings.
storage
sysadmin
september 2009 by mcroydon
Petabytes on a budget: How to build cheap cloud storage | Backblaze Blog
september 2009 by mcroydon
A pretty fantastic DIY solution to massive storage. I kinda wonder what the failure rate is on a configuration such as this.
design
linux
hardware
database
opensource
technology
amazon
server
diy
computer
storage
sysadmin
cool
s3
aws
debian
open
cloud
infrastructure
custom
cheap
backblaze
hard
drive
harddrives
september 2009 by mcroydon
JAMon - Documentation
june 2009 by mcroydon
Monitoring and performance tool with an awesome name.
programming
web
software
development
open-source
tools
library
api
free
opensource
java
statistics
sysadmin
framework
performance
management
application
testing
tool
monitor
profiling
logging
debug
monitoring
jdbc
profiler
tuning
jamon
j2ee
jmx
june 2009 by mcroydon
Vyatta Open Networking - The Open-Source Alternative to Cisco
may 2009 by mcroydon
Open source Cisco-a-like. Via Daniel.
web
software
linux
open-source
hardware
tools
business
free
computer
opensource
network
internet
sysadmin
networking
security
debian
freeware
open
source
vpn
oss
community
appliance
distro
routing
cisco
firewall
livecd
router
vyatta
may 2009 by mcroydon
YouTube - Google container data center tour
april 2009 by mcroydon
Yowza. And to think that this has been in operation since 2005.
data
google
video
server
technology
scalability
internet
sysadmin
computing
hosting
youtube
cloudcomputing
energy
gmail
power
videos
container
datacenter
center
cooling
tour
april 2009 by mcroydon
Chrooted SSH HowTo - Page 2 | HowtoForge - Linux Howtos and Tutorials
april 2009 by mcroydon
This includes a script similar to the process I went through to bootstrap a chroot.
projects
software
linux
python
howto
security
sysadmin
network
administration
ssh
chroot
april 2009 by mcroydon
Scaling Lucene and Solr | Lucid Imagination
march 2009 by mcroydon
Wow, I thought I had seen all of the goodies on the lucid imagination site. Nice find, Joseph.
programming
development
linux
java
search
sysadmin
scalability
scaling
article
performance
optimization
lucene
solr
oss
ir
information-retrieval
tomcat
tuning
march 2009 by mcroydon
ganeti - Google Code
march 2009 by mcroydon
Management infrastructure built on top of Xen.
linux
software
google
tools
code
server
network
sysadmin
opensource
tech
cluster
geek
management
debian
clustering
utilities
gui
virtualization
os
grid
virtual
tool
xen
infrastructure
admin
administration
ganeti
drbd
virtualisation
manager
march 2009 by mcroydon
Anatomy of ext4
february 2009 by mcroydon
I really love the ext family of filesystems. While rarely groundbreaking they're proven, mainstream, and honestly, I'm okay with a mundane workhorse filesystem.
linux
technology
sysadmin
opensource
filesystem
todo
os
article
to-read
system
ibm
filesystems
file
ext4
developerworks
internals
february 2009 by mcroydon
Caching Tutorial for Web Authors and Webmasters
programming design web development reference howto tutorial server webdev network internet ajax sysadmin webdesign architecture apache html http rest proxy caching tutorials article optimization tips cache performance php browser documentation
february 2009 by mcroydon
programming design web development reference howto tutorial server webdev network internet ajax sysadmin webdesign architecture apache html http rest proxy caching tutorials article optimization tips cache performance php browser documentation
february 2009 by mcroydon
Chef: Suck on my chocolate salty balls
january 2009 by mcroydon
Like puppet, but with more South Park references.
tools
ruby
server
sysadmin
rails
aws
management
ec2
deployment
couchdb
cloud
capistrano
administration
automation
configuration
merb
rubyonrails
deploy
chef
puppet
ohai
engineyard
ezra
configuration_management
january 2009 by mcroydon
Deploying Django with Fabric @ Irrational Exuberance
december 2008 by mcroydon
For when I revamp my personal Django stack.
python
programming
web
django
software
development
howto
webdev
tutorial
blog
dev
sysadmin
deployment
production
example
admin
capistrano
ant
fabric
deploy
december 2008 by mcroydon
Condor Project Homepage
november 2008 by mcroydon
"Condor is a specialized workload management system for compute-intensive jobs. Like other full-featured batch systems, Condor provides a job queueing mechanism, scheduling policy, priority scheme, resource monitoring, and resource management. Users submit their serial or parallel jobs to Condor, Condor places them into a queue, chooses when and where to run the jobs based upon a policy, carefully monitors their progress, and ultimately informs the user upon completion."
programming
linux
software
development
research
tools
network
sysadmin
work
scalability
unix
windows
architecture
cluster
computing
framework
distributed
batch
hpc
htc
clusters
cloud
parallel
concurrency
clustering
grid
performance
opensource
condor
gridcomputing
november 2008 by mcroydon
Schneier on Security: The Skein Hash Function
november 2008 by mcroydon
The paper on Skein was pretty readable. Either that or I know more about cryptography than I thought I did. I love that Skein performs insanely fast on 64 bit processors, acceptably fast on 32 bit processors and runs at all on 8-bit AVR chips.
programming
software
development
news
code
security
sysadmin
tech
algorithms
algorithm
cool
source
cryptography
crypto
article
hash
encryption
tips
nist
schneier
skein
function
sha
november 2008 by mcroydon
PostgreSQL Replication, PostgreSQL Support, PostgreSQL Consulting
october 2008 by mcroydon
Mammoth Replicator is now available under an open source license.
design
development
database
sysadmin
scalability
cluster
postgresql
distributed
performance
clustering
chart
databases
postgres
backup
sql
irc
high-availability
db
commercial
replication
distributed-computing
october 2008 by mcroydon
pytoss - Google Code
september 2008 by mcroydon
Capistrano-alike for Python.
python
django
tools
sysadmin
cluster
deployment
shell
remote
tool
build
automation
september 2008 by mcroydon
Persistent Django on Amazon EC2 and EBS - The easy way
august 2008 by mcroydon
Yeah, it's that simple.
python
programming
web
django
development
code
howto
business
webdev
tutorial
amazon
sysadmin
work
web2.0
aws
geek
postgresql
hosting
computers
ec2
postgres
cloud
cloudcomputing
admin
ebs
webservices
persistence
august 2008 by mcroydon
Amazon Web Services Developer Connection : Running MySQL on Amazon EC2 with Elastic Block Store
august 2008 by mcroydon
This applies pretty cleanly to other database engines too.
reference
database
howto
toread
tutorial
amazon
sysadmin
storage
s3
aws
scalability
computing
ec2
databases
mysql
webhosting
cloud
article
tutorials
cloudcomputing
ebs
xfs
webservices
august 2008 by mcroydon
Elektronkind » OpenSolaris 2008.11 - A Preview For The Storage Admin
august 2008 by mcroydon
OpenSolaris: I want to love you, but you're so... different.
sysadmin
work
storage
filesystem
cluster
management
sun
solaris
zfs
freebsd
opensolaris
file
it
ha
samba
iscsi
cifs
solaris10
preview
article
reviews
august 2008 by mcroydon
Tuning Your PostgreSQL Server - PostgreSQL Wiki
august 2008 by mcroydon
Malcolm and Jacob have been prodding at Postgres again and have come up with choice links.
database
server
sysadmin
postgresql
performance
postgres
tuning
administration
dba
august 2008 by mcroydon
mod_backhand: use your resources
august 2008 by mcroydon
Interesting approach.
programming
web
software
linux
server
networking
sysadmin
apache
architecture
scalability
scaling
cluster
distributed
documentation
performance
clustering
opensource
ha
mod
load-balancing
httpd
module
proxy
loadbalancing
load_balancing
balancing
load
mod_backhand
admin
balancer
august 2008 by mcroydon
Scalable Web Architectures: Common Patterns and Approaches
august 2008 by mcroydon
Nice deck, though less new information each time I read a similar deck.
sysadmin
architecture
scalability
scaling
flickr
mysql
performance
deployment
optimization
slides
patterns
pattern
slide
availability
arquitectura
scalable
slideshow
ha
august 2008 by mcroydon
Eucalyptus
june 2008 by mcroydon
Roll your own in-house EC2. Nice! It's good to see ROCKS in use still.
amazon
aws
cloud
cluster
clustering
clusters
computing
ec2
firewall
grid
hosting
linux
management
open
open-source
programming
scalability
software
sysadmin
to-read
trend
xen
virtualization
june 2008 by mcroydon
AVS & ZFS - The SNDR replication of ZFS : The "Availability Suite"
february 2008 by mcroydon
Looks compelling, I think, but I'm not sure,
replication
zfs
sysadmin
february 2008 by mcroydon
Election Night at NYTimes.com - Open - Code - New York Times Blog
february 2008 by mcroydon
We found the AP feeds to be pretty slow compared to grabbing information directly from the source, but when you're tracking the entire country you don't have that luxury. I'd love to comment on this further when I get a chance.
ap
data
elections
ftp
media
nyt
open
politics
ruby
statistics
sysadmin
voting
february 2008 by mcroydon
Poptop - Open Source PPTP Server
february 2008 by mcroydon
Open source PPTP server.
linux
network
software
sysadmin
vpn
february 2008 by mcroydon
pgFouine - a PostgreSQL log analyzer
february 2008 by mcroydon
This looks insanely useful. Hadn't seen it before.
analysis
analytics
apache
benchmark
database
databases
debian
development
monitor
optimization
performance
postgres
quality
postgresql
scalability
server
software
sysadmin
sql
system
tools
february 2008 by mcroydon
pyinotify - filesystem monitoring in Python with inotify
january 2008 by mcroydon
Very nice. If only there were a cross-platform wrapper that handled various OSes filesystem notification systems.
dev
event
events
filesystem
file
interface
library
linux
module
monitor
programming
python
security
shell
software
sysadmin
system
tagging
utility
unix
january 2008 by mcroydon
Nati Shalom's Blog: Architecture You Always Wondered About: Lessons Learned at Qcon
november 2007 by mcroydon
More on the architecture of the big boys.
scalability
scaling
sysadmin
november 2007 by mcroydon
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