ntoledo319

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Joined on Jun 22, 2026

ntoledo319

Aug 17

"DeprecationWarning: datetime.datetime.utcnow() is deprecated" — fixing the Python 3.12 warning in AWS Lambda

#python #aws #lambda #serverless

3 min read

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ntoledo319

Aug 10

"401 from 169.254.169.254 — fixing EC2 instances after the IMDSv2 enforcement deadline"

#aws #ec2 #security #devops

4 min read

ntoledo319

Aug 3

"Error: The module was compiled against a different Node.js version using NODE_MODULE_VERSION — fixing native addon failures after a Lambda upgrade"

#aws #lambda #node #javascript

3 min read

ntoledo319

Aug 1

"Why did my AWS deploy break with zero code changes?"

#aws #lambda #devops #serverless

4 min read

ntoledo319

Jul 31

"The AWS runtime-upgrade error map: which errors you'll hit, in what order, for each migration path"

#aws #lambda #devops #python

5 min read

ntoledo319

Jul 30

"[DEP0040] DeprecationWarning: The `punycode` module is deprecated — what to do about it on Node.js 22 Lambda"

#aws #lambda #node #serverless

3 min read

ntoledo319

Jul 29

"amazon-linux-extras: command not found — it's gone on Amazon Linux 2023"

#aws #linux #devops #sysadmin

2 min read

ntoledo319

Jul 28

"Failed to start ntpd.service — Amazon Linux 2023 replaced it with chrony"

#aws #linux #devops #sysadmin

2 min read

ntoledo319

Jul 27

"/usr/bin/env: 'python2': No such file or directory — Amazon Linux 2023 has no Python 2"

#aws #python #linux #devops

2 min read

ntoledo319

Jul 27

"Node Sass does not yet support your current environment — what breaks when you upgrade to nodejs22.x"

#aws #lambda #node #javascript

4 min read

ntoledo319

Jul 26

"ModuleNotFoundError: No module named 'smtpd'" / "'asyncore'" — Python 3.12's PEP 594 stdlib cleanup

#python #aws #lambda #migration

3 min read

ntoledo319

Jul 25

"Failed to start iptables.service — Amazon Linux 2023 dropped it for nftables"

#aws #linux #devops #security

2 min read

ntoledo319

Jul 24

"Error: Unable to find a match — fixing dnf package lookups after migrating off Amazon Linux 2"

#aws #linux #devops #dnf

3 min read

ntoledo319

Jul 24

"Runtime.ImportModuleError: Cannot find module — a triage guide for Lambda runtime upgrades"

#aws #lambda #node #python

3 min read

ntoledo319

Jul 22

"error:1E08010C:DECODER routines::unsupported — why an old PEM key breaks after a Lambda Node.js upgrade"

#aws #lambda #node #security

3 min read

ntoledo319

Jul 21

"AttributeError: module 'asyncio' has no attribute 'coroutine'" — fixing the Python 3.11 removal

#python #aws #lambda #asyncio

3 min read

ntoledo319

Jul 20

"/lib64/libc.so.6: version `GLIBC_2.28' not found — fixing native Lambda dependency errors after a runtime upgrade"

#aws #lambda #python #node

3 min read

ntoledo319

Jul 20

"TypeError: crypto.createCipher is not a function — migrating to createCipheriv on Node.js 22 Lambda"

#aws #lambda #node #javascript

4 min read

ntoledo319

Jul 15

The AWS Lambda Node.js 20 deadline everyone gets wrong (it's not September 2026)

#aws #lambda #node #serverless

3 min read

ntoledo319

Jul 13

"error:0308010C:digital envelope routines::unsupported — why Lambda runtime upgrades break your webpack build"

#aws #lambda #node #javascript

3 min read

ntoledo319

Jul 6

"Error: Cannot find module 'aws-sdk'" on Lambda — migrating to @aws-sdk v3

#aws #lambda #node #javascript

3 min read

ntoledo319

Jun 29

Python 3.13 on AWS Lambda — cgi, telnetlib, crypt, lib2to3 removed (PEP 594)

#aws #python #lambda #serverless

3 min read

ntoledo319

Jun 23

Python 3.12 on AWS Lambda — distutils, imp, and collections are gone

#aws #lambda #python #serverless

2 min read

ntoledo319

Jun 22

Migrating AWS Lambda from Node.js 20 to 22 — every breaking change

#aws #lambda #node #serverless

2 min read

ntoledo319

Jun 22

Amazon Linux 2 is EOL on June 30, 2026 — here's everything that breaks

#aws #devops #linux #sre

2 min read

DEV Community

ntoledo319

Badges

Writing Debut

"DeprecationWarning: datetime.datetime.utcnow() is deprecated" — fixing the Python 3.12 warning in AWS Lambda

Want to connect with ntoledo319?

"401 from 169.254.169.254 — fixing EC2 instances after the IMDSv2 enforcement deadline"

"Error: The module was compiled against a different Node.js version using NODE_MODULE_VERSION — fixing native addon failures after a Lambda upgrade"

"Why did my AWS deploy break with zero code changes?"

"The AWS runtime-upgrade error map: which errors you'll hit, in what order, for each migration path"

"[DEP0040] DeprecationWarning: The `punycode` module is deprecated — what to do about it on Node.js 22 Lambda"

"amazon-linux-extras: command not found — it's gone on Amazon Linux 2023"

"Failed to start ntpd.service — Amazon Linux 2023 replaced it with chrony"

"/usr/bin/env: 'python2': No such file or directory — Amazon Linux 2023 has no Python 2"

"Node Sass does not yet support your current environment — what breaks when you upgrade to nodejs22.x"

"ModuleNotFoundError: No module named 'smtpd'" / "'asyncore'" — Python 3.12's PEP 594 stdlib cleanup

"Failed to start iptables.service — Amazon Linux 2023 dropped it for nftables"

"Error: Unable to find a match — fixing dnf package lookups after migrating off Amazon Linux 2"

"Runtime.ImportModuleError: Cannot find module — a triage guide for Lambda runtime upgrades"

"error:1E08010C:DECODER routines::unsupported — why an old PEM key breaks after a Lambda Node.js upgrade"

"AttributeError: module 'asyncio' has no attribute 'coroutine'" — fixing the Python 3.11 removal

"/lib64/libc.so.6: version `GLIBC_2.28' not found — fixing native Lambda dependency errors after a runtime upgrade"

"TypeError: crypto.createCipher is not a function — migrating to createCipheriv on Node.js 22 Lambda"

The AWS Lambda Node.js 20 deadline everyone gets wrong (it's not September 2026)

"error:0308010C:digital envelope routines::unsupported — why Lambda runtime upgrades break your webpack build"

"Error: Cannot find module 'aws-sdk'" on Lambda — migrating to @aws-sdk v3

Python 3.13 on AWS Lambda — cgi, telnetlib, crypt, lib2to3 removed (PEP 594)

Python 3.12 on AWS Lambda — distutils, imp, and collections are gone

Migrating AWS Lambda from Node.js 20 to 22 — every breaking change

Amazon Linux 2 is EOL on June 30, 2026 — here's everything that breaks