Archives

Sat 07 December 2024: Exploding memory usage in Django/uWSGI containers
Fri 04 October 2024: Keynote-worthy talks (I think?)
Mon 27 May 2024: 3 places to eat: Florence
Fri 24 May 2024: Quit Simplifying (Config Management Camp & PyCon Italia 2024)
Sun 14 April 2024: Torrtija de las señoritas Tatin
Sun 25 February 2024: Lievito madre
Sat 10 February 2024: My talks are good (and suitable for a big audience)
Sat 18 November 2023: 3 places to eat: Vienna
Wed 15 November 2023: 3 places to eat: Stockholm
Sat 28 October 2023: Are you working in a remote office?
Thu 26 October 2023: Rootless Podman, systemd, and Docker Compose files
Wed 25 October 2023: On Responsibility
Sat 07 October 2023: Follow-up and follow-through
Thu 25 May 2023: Creativity (PyCon Italia 2023)
Sun 19 March 2023: The trouble with Key Results
Thu 23 February 2023: Making docs with MkDocs
Fri 10 February 2023: Brown M&Ms, UTC, and ISO 8601
Fri 06 January 2023: Handy Git aliases
Thu 29 December 2022: 3 places to eat: Berlin
Mon 19 December 2022: 3 places to eat: Tel Aviv
Sat 17 December 2022: Creativity (DevOpsDays Tel Aviv 2022)
Sun 11 December 2022: No, you won't get a PowerPoint from me!
Sat 12 November 2022: Bye, Birdsite
Sat 15 October 2022: Nebulous Percentage Shenanigans
Thu 29 September 2022: Uncertainty, industrious compliance, and the illusion of control
Sun 18 September 2022: Writing Professionally (DevOpsDays Berlin 2022)
Fri 19 August 2022: Jammy, don’t snap at me!
Sat 16 July 2022: Something interesting happened at work the other week...
Sun 26 June 2022: Python package dependency checking in a CI pipeline with pipdeptree
Mon 30 May 2022: Writing Professionally (C!Conf 2022)
Sun 15 May 2022: Batch-processing stereograms with StereoscoPy
Sat 14 May 2022: My experiment: an interim update
Sat 14 May 2022: Running a solar-powered laptop
Tue 10 May 2022: Drizzle: the most influential software project you’ve (probably) never heard of
Sun 08 May 2022: Sweet & savoury stir fry
Sat 07 May 2022: Entropy, management, and xkcd 927
Fri 06 May 2022: An experiment
Thu 05 May 2022: This site now lives on GitHub
Sat 29 January 2022: The Review Review
Sun 16 January 2022: Scaling the flat organization
Sun 05 December 2021: Voice messages
Sun 21 November 2021: Creativity: How we lost it, why that’s bad, and how we get it back
Sun 14 November 2021: Meaningless Metrics, Treacherous Targets
Sat 30 October 2021: Warnock’s Dilemma, Objections, and Acknowledgements
Wed 27 October 2021: This Meeting Should Have Been an Email
Sat 23 October 2021: Please, Make My Company Distributed!
Sat 23 October 2021: No, We Won’t Have a Video Call for That: The Companion Pieces
Sun 17 October 2021: Universal tox tests (from just about any CI)
Thu 07 October 2021: On Contravictions
Thu 07 October 2021: The Review Review
Sun 03 October 2021: Getting out of Meeting Hell: As a top-level executive
Sat 02 October 2021: Getting out of Meeting Hell: As a mid-level manager
Fri 01 October 2021: Getting out of Meeting Hell: As a regular employee
Thu 30 September 2021: Getting out of Meeting Hell: What this is about
Sun 26 September 2021: No, We Won’t Have a Video Call for That: Reader Feedback
Thu 16 September 2021: Rules are rules
Fri 27 August 2021: How to write a decent job ad
Tue 24 August 2021: Audience feedback on online conference platforms: a speaker's view
Sat 21 August 2021: Add Depth! Stereoscopic imagery for everyone
Sun 17 January 2021: Running (Almost) Anything in LXC: Applications Using Your Webcam
Sun 17 January 2021: Fixing powerline flicker on your webcam feed with a udev rule
Sat 16 January 2021: Running (Almost) Anything in LXC: Sound
Sat 09 January 2021: Running (Almost) Anything in LXC: X applications
Mon 28 December 2020: Running (Almost) Anything in LXC: The Basics
Fri 06 November 2020: Add depth! Stereoscopic imagery for everyone
Thu 22 October 2020: I Don’t Think This Means What You Think It Means: Red Herrings in OpenStack
Tue 08 September 2020: What I now know about HAproxied Django database connections, and wish I'd known sooner
Sat 22 August 2020: No, We Won’t Have a Video Call for That!
Sat 22 August 2020: No, We Won’t Have a Video Call for That: Slides and Recordings
Wed 06 May 2020: Celery to Chew On
Tue 04 February 2020: Paying People
Tue 04 February 2020: Why do they always lie?
Wed 01 January 2020: Salacious Salad and Omelette
Tue 31 December 2019: My 2010s
Mon 30 December 2019: Exceptional Pan Pizza
Fri 20 December 2019: DevOpsDays Tel Aviv 2019
Fri 13 December 2019: Slidecraft updates
Sat 30 November 2019: Ceph Erasure Code Overhead Mathematics
Tue 05 November 2019: The Little Bag Of Tricks: 10 Things You Might Not Know You Can Do With OpenStack
Wed 21 August 2019: Using ftrace to trace function calls from qemu-guest-agent
Mon 12 August 2019: Learn Complex Skills, From Anywhere: Combining Django, Ansible and OpenStack to teach any tech skill
Thu 06 June 2019: Team meetings
Sat 25 May 2019: Learn Ceph — For Fun, For Real, For Free!
Tue 21 May 2019: Geographical Redundancy with rbd-mirror
Wed 08 May 2019: I Don’t Think This Means What You Think It Means: Red Herrings in OpenStack
Tue 07 May 2019: One For All: Using Terraform to manage OpenStack and Kubernetes resources
Wed 01 May 2019: Configuring CLI output verbosity with logging and argparse
Sat 27 April 2019: Nonexisticon
Wed 24 April 2019: No, really, don't chuck everything in Slack: communications for distributed teams
Tue 23 April 2019: Talk submissions
Tue 23 April 2019: Writing for learners: best practices for creating, developing, and maintaining self-paced learning resources
Sun 21 April 2019: If you’re a leader in tech, “non-technical” is not a free pass
Mon 25 March 2019: Why upload filters don’t work (really simple math!)
Thu 21 March 2019: Article 17: The time to act is now.
Sun 10 March 2019: Using coverage with multiple parallel GitLab CI jobs
Sat 09 March 2019: Building a nested CLI parser from a dictionary
Wed 23 January 2019: Learn Complex Skills, From Anywhere: Combining Django, Ansible and OpenStack to teach any tech skill
Sat 08 December 2018: 1,000 routers per tenant? Think again!
Wed 10 October 2018: The Little Bag O’Tricks: 10 Things You Might Not Know You Can Do With OpenStack
Sun 18 February 2018: Working from home, with little kids in the house
Thu 03 August 2017: More recommendations for Ceph and OpenStack
Fri 17 February 2017: Importing an existing Ceph RBD image into Glance
Thu 02 February 2017: Replacing the built-in Open edX forum with a suitable alternative
Mon 28 November 2016: The Dos and Don'ts for Ceph for OpenStack
Mon 07 November 2016: High Availability and Disaster Recovery in OpenStack
Thu 27 October 2016: Heat and its Alternatives: Application Deployment in OpenStack
Thu 06 October 2016: CephFS and LXC: Container High Availability and Scalability, Redefined
Sat 20 August 2016: Fragile development: Why Scrum sucks, and what you should be doing instead (full talk)
Tue 05 July 2016: Fragile Development: Scrum is terrible, and you should ditch it
Tue 05 July 2016: Wiping and resetting your SUSE OpenStack Cloud Crowbar configuration
Wed 29 June 2016: Why Scrum sucks, and what you ought to be doing instead
Sun 21 February 2016: Containers: Just Because Everyone Else is Doing Them Wrong, Doesn't Mean You Have To
Fri 12 February 2016: Dogfooding Dogwood
Sat 30 January 2016: Pacemaker's best-kept secret: crm_report
Tue 26 January 2016: Hosting a web site in radosgw
Tue 05 January 2016: My first Open edX contribution
Wed 23 December 2015: Removing buckets in radosgw (and their contents)
Wed 23 December 2015: A minimal Ubuntu OpenStack Juju configuration in just four nodes
Thu 17 December 2015: A Python one-liner for pretty-printing radosgw utilization
Wed 18 November 2015: Understanding radosgw benchmarks
Tue 10 November 2015: OpenStack for Open edX: Inside and Out (SWITCH ICT-Focus 2015)
Wed 28 October 2015: Clusters, Routers, Agents and Networks: High Availability in Neutron
Tue 27 October 2015: Automated OpenStack deployment: A comparison
Mon 12 October 2015: Open edX
Wed 07 October 2015: Manageable Application Containers: Lightning Quick Updates, Scaleable Security, Easy High Availability
Mon 15 June 2015: OpenStack Orchestration and Automation
Wed 27 May 2015: Ceph Tech Talk: Placement Groups
Sat 15 November 2014: Have Data, Want Scale, Indefinitely: Exploring Ceph
Wed 22 October 2014: Ceph Performance Demystified: Benchmarks, Tools, and the Metrics that Matter
Tue 14 October 2014: OpenStack High Availability: Are We There Yet?
Thu 24 July 2014: Speak! How to talk in public and not wreck your voice
Thu 27 March 2014: Hands On Trove: Database as a Service in OpenStack
Mon 24 February 2014: Fun with extended attributes in Ceph Dumpling
Tue 28 January 2014: Unrecoverable unfound objects in Ceph 0.67 and earlier
Mon 20 January 2014: linux.conf.au 2014, or My Annual Journey To Awesome
Tue 10 December 2013: Greetings from Havana: A fresh perspective on globally distributed OpenStack
Fri 31 May 2013: Ceph: object storage, block storage, file system, replication, massive scalability and then some!
Tue 28 May 2013: Ceph: The Storage Stack for OpenStack
Tue 07 May 2013: Enter the cuttlefish!
Wed 17 April 2013: More Reliable, More Resilient, More Redundant
Thu 21 February 2013: High Availability Update: You can now vote our talk into the OpenStack summit!
Wed 20 February 2013: High Availability Update (Grizzly and Havana)
Mon 28 January 2013: My week at linux.conf.au 2013
Sun 13 January 2013: Solid-state drives and Ceph OSD journals
Sun 16 December 2012: Thoughts on "ecosystems"
Thu 06 December 2012: On the merits of working from home, in a distributed virtual team
Tue 04 December 2012: Adding MySQL/Galera resources to Pacemaker
Tue 04 December 2012: Bootstrapping the Galera cluster
Tue 04 December 2012: Configuring Corosync
Tue 04 December 2012: Dealing with node failure
Tue 04 December 2012: MySQL/Galera in Pacemaker High Availability Clusters
Tue 04 December 2012: Recovering from full cluster shutdown
Tue 04 December 2012: Setting Galera-specific MySQL options
Tue 04 December 2012: Starting Pacemaker
Tue 04 December 2012: Testing resource recovery
Mon 03 December 2012: MySQL High Availability Deep Dive
Thu 08 November 2012: GlusterFS in High Availability Clusters
Thu 08 November 2012: Hands-On With Ceph
Wed 24 October 2012: Talking Ceph and GlusterFS at LinuxCon Europe
Mon 22 October 2012: Migrating virtual machines from block-based storage to RADOS/Ceph
Wed 26 September 2012: Pacemaker and the recent GitHub service interruption
Mon 24 September 2012: Maintenance in active Pacemaker clusters
Thu 30 August 2012: High Availability in OpenStack
Mon 20 August 2012: Speaking and BoFing at CloudOpen in San Diego!
Tue 17 July 2012: Highly Available Cloud: Pacemaker integration with OpenStack
Mon 09 July 2012: Configuring radosgw to behave like Amazon S3
Fri 18 May 2012: Fencing in VMware virtualized Pacemaker nodes
Thu 03 May 2012: An exciting day for the Ceph community
Tue 24 April 2012: A look back at my first OpenStack Design Summit & Conference
Fri 20 April 2012: Reliable, Redundant, Resilient: High Availability in OpenStack
Tue 03 April 2012: Speaking at OSCON 2012
Wed 28 March 2012: Presentation accepted for OpenStack Spring 2012 Conference
Thu 22 March 2012: Mandatory and advisory ordering in Pacemaker
Wed 21 March 2012: High Availability in OpenStack
Tue 20 March 2012: On my (ex-)maintainership of the DRBD User's Guide
Mon 19 March 2012: Managing cron jobs with Pacemaker
Mon 19 March 2012: Storage Replication in High-Performance High-Availability Environments
Mon 19 March 2012: Roll Your Own Cloud
Thu 15 March 2012: What's a Totem "Retransmit List" all about in Corosync?
Tue 13 March 2012: The Zen of Pacemaker
Fri 09 March 2012: Finding out which OSDs currently store a specific RADOS object
Thu 08 March 2012: Ceph: tickling my geek genes
Tue 06 March 2012: Solve a DRBD split-brain in 4 steps
Sun 04 March 2012: Checking Corosync cluster membership
Wed 29 February 2012: Fencing in Libvirt/KVM virtualized cluster nodes
Mon 27 February 2012: Network connectivity check in Pacemaker
Mon 27 February 2012: Speaking at the 2012 Percona Live MySQL Conference
Sun 26 February 2012: GFS2 in Pacemaker (Debian/Ubuntu)
Sun 26 February 2012: Interleaving in Pacemaker clones
Fri 24 February 2012: OCFS2 in Pacemaker (Debian/Ubuntu)
Tue 01 November 2011: Fencing and Maintaining Sanity in High-Availability Clusters
Tue 01 November 2011: MySQL High Availability Sprint: Launch the Pacemaker!