Nahum Litvin

I run the multi-region Kubernetes platform that sandboxes untrusted code for 2.5% of websites at Wix. I write up production incidents and fix them upstream: gVisor, containerd, soci.

Dublin, Ireland Joined on Jun 3, 2024 https://www.catchkill9.dev

Education

B.Sc. Computer Science, The Open University of Israel

Work

Technical Lead - DevOps Engineering at Wix

Nahum Litvin

Oct 16

STPA-inspired questions tied a plain checklist in my coding agent. Their one win: Claude asking about timing.

#ai #sre #devops #testing

5 min read

Nahum Litvin

Oct 12

I built it for my terminal. A week later, strangers were fixing it for each other

#opensource #claude #github #productivity

6 min read

Nahum Litvin

Oct 2

Claude Code mod: themes engine, charts, graphs, colors. All you ever wanted.

#ai

1 min read

Nahum Litvin

Oct 9

A zero timeout in Go is not no timeout

#containerd #go

1 min read

Nahum Litvin

Oct 1

One lost signal, five days stuck, 45,000 frozen threads: fixing a gVisor hang upstream

#kubernetes #devops #go #opensource

7 min read

Nahum Litvin

Oct 8

containerd part 3: the fix got reverted

#kubernetes #containers #opensource #devops

1 min read

Nahum Litvin

Oct 5

containerd part 2: 17 lines, 40 days, 30 reviews

#kubernetes #containers #opensource #go

1 min read

Nahum Litvin

Oct 2

A node that reported Ready and started nothing: four parts, one containerd fix

#kubernetes #containers #aws #devops

6 min read

Nahum Litvin

Oct 16

Running kubectl commands on multiple clusters

#kubernetes #kubectl #bash #devops

1 min read

Nahum Litvin

Oct 13

Fixing EKS overprivileged cluster settings

#aws #kubernetes #security #devops

1 min read

Nahum Litvin

Oct 12

My first open source PR was 3 lines

#opensource #kubernetes #security #beginners

2 min read

Nahum Litvin

Oct 15

Effortless Git: Introducing compush, a One-Stop Git Command

#git #bash #productivity #cli

2 min read

Nahum Litvin

Oct 14

Git Takes Sha Instead Of Remote Branch

#todayilearned #git #devops #cli

2 min read

DEV Community

Nahum Litvin

Badges

Writing Debut

Two Year Club

One Year Club

Skills/Languages

Currently learning

Currently hacking on

Available for

STPA-inspired questions tied a plain checklist in my coding agent. Their one win: Claude asking about timing.

I built it for my terminal. A week later, strangers were fixing it for each other

Claude Code mod: themes engine, charts, graphs, colors. All you ever wanted.

A zero timeout in Go is not no timeout

One lost signal, five days stuck, 45,000 frozen threads: fixing a gVisor hang upstream

containerd part 3: the fix got reverted

containerd part 2: 17 lines, 40 days, 30 reviews

A node that reported Ready and started nothing: four parts, one containerd fix

Running kubectl commands on multiple clusters

Fixing EKS overprivileged cluster settings

My first open source PR was 3 lines

Effortless Git: Introducing compush, a One-Stop Git Command

Git Takes Sha Instead Of Remote Branch