PinnedInAWS TipbyNicolai Antiferov·Jan 2, 2025Karpenter v1 upgrade gotchasIn August 2024 Karpenter 1.0 was released, marking important milestone in project development.
PinnedNicolai Antiferov·Mar 27, 2022Fix ‘Objects have changed outside of Terraform’ with invoke wrapperNote: From v1.2 (not released yet), this issue probably shouldn’t be that bad, comment
PinnedNicolai Antiferov·Oct 6, 2019Random task execution in AnsibleIt might look very simple, but I haven’t found it anywhere already described.
PinnedNicolai Antiferov·Oct 14, 2019PromQL / How to return 0 instead of ‘no data’Another short article. I found the answer in the middle of issue on Grafana GitHub. And decided to make a note.A response icon6A response icon6
PinnedInAWS TipbyNicolai Antiferov·Jan 13, 2021Terraform v0.14 dependency lock file (.terraform.lock.hcl) gotchasIn December 2020 a new version of Terraform was released — v0.14. Along with many new things there was released a pretty nice feature —…A response icon1A response icon1
Nicolai Antiferov·Apr 5Redis ACL enforcement without downtimeDisclaimer: this article is not about ACL in general, Redis has very good documentation on that. Rather it summarises my experience on how…
Nicolai Antiferov·Apr 4Ansible, macOS and “A worker was found in a dead state” fixIf you’re using macOS as Ansible controller, you might’ve seen this issue even before, when ansible command run failed with ERROR! A worker…
InAWS TipbyNicolai Antiferov·Oct 22, 2025AWS quotas and their usage monitoringWhen you’re actively using AWS services, quite soon you will found that they have quotas — like limit how much EC2 instances, RDS…
Nicolai Antiferov·Jun 9, 2025Ansible / How to (almost) transparently switch from ssh to ssm-agentStart using Ansible is very simple — you just need ssh access to host you want to manage and control host from which you run…
Nicolai Antiferov·Jan 5, 2025Ansible / How to measure command durationFor some reasons, you might end up in a situation, when you need to measure the time some command spent on running. I had to do this some…