timothyham

A Short IPv6 Guide for Home IPv4 Admins

This guide is for homelab admins who understand IPv4s well but find setting up IPv6 hard or annoying because things work differently. In some ways, managing an IPv6 network can be simpler than IPv4, one just needs to learn some new concepts and discard some old ones.

Let’s begin.

First of all, there are some concepts that one must unlearn from ipv4:

Concept 1

thesamesam

FAQ on the xz-utils backdoor (CVE-2024-3094)

This is a living document. Everything in this document is made in good faith of being accurate, but like I just said; we don't yet know everything about what's going on.

Background

On March 29th, 2024, a backdoor was discovered in xz-utils, a suite of software that

Softwave

Fib

Simple fibonacci number calculator.

Usage: fib nth Fibonacci number

cpursley

PostgreSQL is Enough

• Simplify: move code into database functions
• Just Use Postgres for Everything
• PostgreSQL is the worlds’ best database
• Postgres is eating the database world
• Hacker News discussion

Background and Cron Jobs

dxdxdt

What to do when Gmail marks all the mails from your server as spam

If you're self-hosting your services and having trouble getting your emails through Gmail and infuriated by Google's non-existent support, you're not the only one. I'd like to share my experiences trying to get it sorted out.

• https://support.google.com/mail/thread/171517615?hl=en&msgid=172576102

I'm the author of the post above. You can tell how arrogant Google employees are from all the previous posts he made in the past.

markerikson

Questions

Company

• company location / remote?
• what project management method?
• good and bad company culture?
• performance reviews?
• what's the path to profitability?

Neo23x0

log4j RCE Exploitation Detection

You can use these commands and rules to search for exploitation attempts against log4j RCE vulnerability CVE-2021-44228

Grep / Zgrep

This command searches for exploitation attempts in uncompressed files in folder /var/log and all sub folders

sudo egrep -I -i -r '\$(\{|%7B)jndi:(ldap[s]?|rmi|dns|nis|iiop|corba|nds|http):/[^\n]+' /var/log

abraithwaite

#!/usr/bin/bash -xe

cat <<EOF > "${HOME}/.config/systemd/user/zoom.slice"
[Slice]
AllowedCPUs=0-4
MemoryHigh=6G
EOF

cat /usr/share/applications/Zoom.desktop | sed -E 's#^(Exec=).*$#Exec=/usr/bin/systemd-run --user --slice=zoom.slice /opt/zoom/ZoomLauncher#' > "${HOME}/.local/share/applications/Zoom.desktop"

RaminNietzsche

lst = [
    {"current_time":1618861512,"success":True,"data":[{"id":590,"company":{"name":"افسران جنگ نرم","name_en":"Afsaran","company_slug":"afsaran","logo":"/company/afsaran/9f7d4c70-403a-11e9-ae0e-273fe94d6d59.png"},"job":{"job_slug":"full-stack","name":"Full Stack"},"title":"شرکت افسران جنگ نرم درخواست رسمی خود را مبنی بر عدم به اشتراک گذاری این اطلاعات بر روی پلتفرم جابگای ابلاغ کرده و به این منظور جابگای مجبور به حذف این اطلاعات میباشد.","description":"شرکت افسران جنگ نرم درخواست رسمی خود را مبنی بر عدم به اشتراک گذاری این اطلاعات بر روی پلتفرم جابگای ابلاغ کرده و به این منظور جابگای مجبور به حذف این اطلاعات میباشد.","vote_count":0,"down_vote_count":2,"vote_state":"NONE","view_count":61,"over_all_rate":0,"created":"2020-06-10 18:37","my_review":False,"state":"FULL","approved":True,"has_legal_issue":True}],"message":None,"total":1,"show_type":"TOAST","index":0},
    {"current_time":1618861554,"success":True,"data":[{"id":60,"company":{"name":"آپاسای داده سیستم","name_en":"Apasai Dade System","company_sl

prologic

Learn Go in ~5mins

This is inspired by A half-hour to learn Rust and Zig in 30 minutes.

Basics

Your first Go program as a classical "Hello World" is pretty simple:

First we create a workspace for our project: