Fixed: Obelisk not working in Ableton Live

So when using the Frozen Plains Obelisk plugin in Ableton live 10 (I’m running10.1.15) following Frozen Plains instructions doesn’t work.
If you change the 2nd drop down on the synth/instrument track to Obelisk64 instead of Pre FX then it will work.

Additionally, if you don’t want record a whole extra midi track for the Obelisk track then instead of arming both track, just set to Obelisk track to In on the monitoring and then arm the instrument you want to record. This has the added benefit of being able to easily have multiple instruments using Obelisk and switch to record on whichever one you want to play

Ideal Obelisk and instrument settings.
Obelisk midi track set to monitor In.
Two different mini instrument tracks set to Obelisk64 instrument In and Obelisk64 instead of Pre FX or Post FX. One instrument track armed.

Checking an Certificate Chain

Use the following one liner to check the a certificate chain in detail:

openssl crl2pkcs7 -nocrl -certfile chained.crt | openssl pkcs7 -print_certs -text -noout | less

Use this command to produce a simple list of the chain in order:

echo "" | openssl s_client -connect www.google.com:443 2>&1 | grep -A 6 "Certificate chain"

#If your testing a local server which is listening on the same port for different headers use this:
echo "" | openssl s_client -connect 172.217.169.4:443 -servername www.google.com 2>&1 | grep -A 6 "Certificate chain"

Solved: RKHunter Useful information in emails

I was trying to get this working by configuring the MAIL_CMD like so: echo -e “Subject: [rkhunter] Warnings found for ${HOST_NAME}\n\n” $(egrep -x “^\[.*\] Warning:.*” /var/log/rkhunter.log) | sendmail
It works but included a little extra part of the egrep command for some reason.

I couldn’t get around this but then I remembered we were going to be calling this using cronic ( https://habilis.net/cronic/ )
So I just changed my crontab to: cronic rkhunter –check –rwo –no-mail-on-warning
Now I get the warnings in a beautiful emails like so: ============================================

Cronic detected failure or error output for the command:
rkhunter –check –rwo –no-mail-on-warning

RESULT CODE: 1

ERROR OUTPUT:

STANDARD OUTPUT:
Warning: The file properties have changed:
         File: /usr/bin/mail
         Current inode: 18331    Stored inode: 18308
         Current file modification time: 1574699160 (25-Nov-2019 16:26:00)
         Stored file modification time : 1574686593 (25-Nov-2019 12:56:33)
Warning: The file properties have changed:
         File: /usr/bin/mail.mailutils
         Current inode: 18320    Stored inode: 18297

START TIME: Mon Nov 25 16:28:01 UTC 2019
END TIME:   Mon Nov 25 16:28:34 UTC 2019

=========================================

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Running Byobu by Default on Zsh

To make Byobu default on your local machine

Byobu-enable only currently modifies your .bashrc and .bash_profile, to get byobu launching by default with Zsh you need to follow these instruction

Add the following line to the bottom of your ~/.zshrc
_byobu_sourced=1 . /usr/bin/byobu-launch 2>/dev/null || true

To make Byobu default when SSH’ing into a machine

Add the same line to the bottom of ~/.zprofile

Update: I’ve not been able to get this working on AWS. I’m using Ubuntu… anyone got any additional tips

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Favourite Linux CLI Tools

This will be a continually updated list of my favourite Linux CLI tools

  • ZSH with OhMyZsh installed
  • Disk Usage
    • NCurses Disk Usage – CLI graphical and browseable disk space explorer.
    • sudo apt install ncdu
    • Can also write output to a file to explore at a different time to scanning the disk
  • Text Editor
  • Shell Management
    • Byobu
    • Absolutely love how easy this makes running a complex multi-pane, multi-window set up. Makes my life a lot easier and more productive