ITTavern.com
- Notice Board 003: Progress is Progressittavern.com Notice Board 003: Progress is Progress - ITTAVERN.COM
SysAdmin Stuff | Linux | Network | Security
A bunch of updates!
- New service - pad.ittavern.com - Rustpadpad.ittavern.com Rustpad: Collaborative Code Editor
An efficient and minimal open-source collaborative text editor based on the operational transformation algorithm.
For real-time collab - been in use daily ever since
- New service - tools.ittavern.comtools.ittavern.com IT Tools - Handy online tools for developers
Collection of handy online tools for developers, with great UX. IT Tools is a free and open-source collection of handy online tools for developers & people working in IT.
Aggregates useful tools for developer and people working in IT. Alternative to CyberChef.
- ssh-audit Primer - Audit your SSH Server
Feedback is welcome - as always
#ssh #linux #hardening #security
- My Personal Backup Strategy
New article: My Personal Backup Strategy
Feedback is welcome!
#backup #borg #syncthing
- iperf3 - User Authentication with Password and RSA Public Keypair
I've been a little bit inactive. Trying to change it again. Most recent article.
- read.brrl.net - New FreshRSS Service
Set up new #FreshRSS instance for now. I want to read more and stay up to date on certain topics and I figured I could give RSS another chance. Stays invite-only for now, but feel free to hit me up if you want to have an account.
- TryHackMe - Crack the hash - Write Up
Not gonna lie, wasn't that fun. Learned a lot, but felt lost multiple times. Probably gets better over time.
- TryHackMe - Net Sec Challenge - Write Up - ITTavern Forum
Doing some rooms on TryHackMe. Decided to create a write up of one room. Have to work on the format, but it should be fine for now.
Feedback is welcome!
- Visual guide to SSH tunneling and port forwarding
I think I've never share one of my favorite articles with you.
Creating this was great and it has been a great resource ever since. I use SSH tunnel a lot in troubleshooting sessions and security demonstrations.
- forum.ittavern.com is online and you are welcome!
I am pleased to announce the launch of: forum.ittavern.com
More information can be found in this thread, but in short I miss the forum culture and want to create an open-minded and sustainable community.
I welcome you and look forward to great discussions.
- New logo, new design, lower loading time
I am happy to share with you the new design of my blog.
New logo, new thumbnails, lots of CSS changes and everything is now hosted in a German DC.
The goal was to create a clean design and reduce the loading time even further.
Feedback is welcome.
- New service - send.brrl.netsend.brrl.net Send
Encrypt and send files with a link that automatically expires to ensure your important documents don’t stay online forever.
Sending files over the internet. Been a pain in the past and I finally decided to host my own instance. It should be 'production' ready, but let me know if you encounter any problems.
- Bandwidth Measurement using netcat on Linux
A quick & dirty solution that is available on most Linux hosts.
- ntfy.brrl.net - Device Push Notificationsntfy.brrl.net ntfy web
ntfy lets you send push notifications via scripts from any computer or phone. Made with ❤ by Philipp C. Heckel, Apache License 2.0, source at https://heckel.io/ntfy.
I've decided to self-host yet another service. This time it is NTFY. Simple HTTP based push notifications for your devices.
https://ntfy.brrl.net/
Feel free to use it. Feedback is welcome.
I use it to notify me about successful logins on one of my servers, failed backups, results of cron jobs and so on. One simple HTTP request is all you need.
- board.brrl.net — Collaborative whiteboardboard.brrl.net board.brrl.net — Collaborative whiteboard
A free and open-source online collaborative drawing tool. Sketch new ideas together on WBO!
Sometimes I just need a simple whiteboard for troubleshooting or brainstorming sessions. I've decided to self-host a whiteboard with collaboration function. I am going to give whitebophir a try.
Feel free to use it too!
- free
- no ads
- no tracking
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Disclaimer: the data is not encrypted and I - as provider - could look into them.
Not optimal for permanent boards as I plan to reset it once a month (not sure yet).
- Getting started with rsync - Comprehensive Guide
Rsync is one of my most used tools and I am happy to share this guide with you. I've learned a lot doing the research and I hope to share some tipps with you.
- ITTavern Services monitoring
I've added a status page with #uptimekuma. I want to get used to it for now. It is currently running on the same server as the rest of the services, which is not optimal. Additionally adding some more sensors at some point.
- ITTavern Mail Newsletter
I've decided to add an email newsletter to my blog. It is still 'work in progress', but I make progress and the first 'issue' will be sent next Monday.
GDPR-compliant, no tracking, lightweight, and nothing special.
Feel free to check out the following link for additional information.
https://ittavern.com/newsletter/
- SSH Server Hardening Guide v2
I am happy to share my revised SSH server hardening guide.
Feedback is very welcome.
- Port Knocking with knockd and Linux - Server Hardening
I've created a new article about Port Knocking in preparation of my rework of the SSH Hardening guide.
I'd like to hear your opinion about port knocking.
- Backup Guide - how to secure crucial data
haven't shared my backup guide here yet - your feedback would be greatly appreciated
- Getting started with dig - DNS troubleshooting
Not sure if there is any activity on Lemmy. Let's find out.
- IT Tavern Changelog Week 27
ITTavern Changelog Week 31
General
Added a SEARCH function:
- only for the titles, fulltext search follows
- added it to the menu
Changed the design sligthly:
- headers are having a light grey background
Notes Update
Update ITTavern.com:
- reworked the beginning and removed some things that might not needed
Blog Updates
Update Getting started with iperf3 - Network Troubleshooting:
- fixed an error:
-P
instead of-p
for parallel streams
Update ICMP echo requests on Linux and Windows - Reference Guide:
- added more tags to make it easier to find
Update SSH - How to use public key authentication on Linux:
- added a new and prefered way to stop the ssh-agent with
eval "$(ssh-agent)"
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Feedback is welcome!
- IT Tavern Changelog Week 27
General
- I deleted my Mastodon account and removed the links from the blog
- remove 'Projects' from the menu and move content to 'Notes'
Notes Update
Update ITTavern.com:
- added a Cyberchef quick access list for various tasks
Blog Updates
Update URL explained - The Fundamentals :
- formatting + spelling mistakes
- domains must not start with a dash (
-
) - subdomains CAN contain an underscore (
_
), but shouldn't
Update Getting started with nmap:
- added the option to check the results every x seconds/minutes with
--stats-every 1m / 10s
Update Getting started with tmux:
- add a way to kill the whole session with
:kill-session
Project/ Service Updates
Switching secondary domain from itt.sh to brrl.net. The reason for the change is the .sh TLD. Not a big fan and I recommend to block it.
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Thank you for the feedback! - The goal is to keep all posts up-to-date and add more content over time.
- URL explained - The Fundamentals
A deep-dive into the world of URLs. I'll explain the syntax, the functions, some information about domains, and the difference between URL, URI, URN and URC.
Feedback is welcome