Welcome to ddpbsd’s notes!

There are no guarantees that any of this information is up to date or accurate. I just wanted a place where it would be less likely that I’d lose my silly notes. Use at your own risk.

Contents:

• databases
  • sql
  • MySQL
  • PostgreSQL
  • sqlite
• elastic stuff
  • Beats
  • elasticsearch
  • logstash
  • monitoring
  • agent
  • api
  • parsing
  • Setting up the whole thing
  • endpoint
  • read from elastic
  • docker commands
  • testing logstash
  • elastic-cloud
  • querying elasticsearch and kibana
• kubernetes
  • minikube
• OpenSSH
  • Command note
  • Print configuration
  • Automatically add ssh keys to ssh-agent
  • SSH keys
  • Hardware Keys
  • Forwarding
  • Disconnect from an SSH session
  • Disconnect from a nested SSH session
  • X11 forwarding not working
  • get a fingerprint from a public key in your known_hosts file
  • message too long
• Operating Systems
  • Linux
  • OpenBSD
  • Windows
• OSSEC
  • OSSEC and Elasticstack
  • OSSEC src
  • Required packages:
  • Monitor sysmon logs
  • mariadb
• rsyslogd
  • Log to /var/log/hostname/messages instead of /var/log/messages
  • Listen on a unix socket
  • Log to a file and stop (the newer way)
• ssl
  • Download a certificate
  • Auth with tls certificate
  • Adding a cert to the cert store
  • Create a self signed cert
  • Remove passphrase
  • Check to see if ssl3 works
  • Check to see if tls 1.2 works
  • Where I got this information
  • Look at certs!
  • certs
• Stupid Unix Tricks
  • Convert a string to lower case:
  • Find the last day of the month
  • Encrypt all files in one dir and save to another dir with ansible vault
  • Find the current dpi in X
  • Go to a specific line number in less
  • Go to a specific byte (offset?) in less
  • Show a specific line number in less
  • Extract a specific line using sed
  • Better ^w behavior
• Tools
  • ansible
  • certstrap
  • Output http code
  • dns
  • FreeRadius
  • git
  • gpg
  • grafana
  • helix
  • Java
  • jq
  • ldap
  • Messaging
  • Monitoring Tools
  • Tools
  • network tools
  • discovery-ignore-rst
  • opensmtpd
  • osquery
  • HashiCorp packer
  • Perl
  • prometheus
  • Python
  • snmp stuff
  • steampipe
  • su
  • tcpdump
  • tmux
  • vim
  • Virtualization
  • x11
  • Retired
  • postfix
  • headless on openbsd
  • Print to pdf
  • terraform/opentofu
  • wireguard
• Vendor Stuff
  • Cisco
  • Juniper
  • nessus
  • PaloAlto
  • splunk
  • VMWare
  • dynamic dns
  • Location of some useful logs (auth and stuff)
  • Banned password characters
  • Example login
  • Example logout
  • View all entries in an active list
  • Some stuff
• misc
  • arm
  • software defined radio
  • Hardware Tokens
  • Imagemagick
  • Building a custom kernel
  • ksh
  • Links
  • Stupid random stuff
  • Junk
  • glitch-soc
  • zfs

Indices and tables

• Index

• Module Index

• Search Page