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WiFi Standards

Technical Notebook Pages

WiFi Standards Comparison WiFi 4 WiFi 5 WiFi 6 WiFi 6e WiFi 7 Launch date ...

Updated 2 weeks ago by bluecrow76

ipsets-dynamic script with systemd

Linux iptables / ipsets

This page shows how to use a BASH script executed on an interval by a SystemD Timer for the purpo...

Updated 2 weeks ago by bluecrow76

ipsets fqdn resolving

Linux iptables / ipsets

Concept Use a Sqlite3 database to store the list of entries that need to be updated. A sc...

Updated 2 weeks ago by bluecrow76

CEPH

Proxmox VE

Adding CEPH Manager Dashboard Source # run this on all service manager nodes apt install cep...

Updated 3 weeks ago by bluecrow76

Troubleshooting

Proxmox VE

Various notes for random troubleshooting List all block devices with model lsblk -o NAME,MODE...

Updated 4 weeks ago by bluecrow76

FreeRADIUS

Linux

--- freeradius-original-no-comments/3.0/radiusd.conf # correct_escapes = true may or may not be ...

Updated 1 month ago by bluecrow76

Container

Mikrotik

Howto Prepping the base configuration { /system logging action :foreach actionName in...

Updated 1 month ago by bluecrow76

Arrays

Mikrotik Scripting

Basics Arrays in RouterOS can be normal indexed arrays or associative (key/value pair arrays). ...

Updated 1 month ago by bluecrow76

Sway

Linux

Ubuntu Sway Remix Recording changes I make to the default configuration in Ubuntu Sway Remix bi...

Updated 1 month ago by bluecrow76

Useful additions

Proxmox VE

Packages to add apt install lldpd snmpd snmpd.conf Minimal configuration for /etc/snmpd/snmp...

Updated 2 months ago by bluecrow76

Wireshark

Networking

If you need to do a quick tcpdump like capture from the command line in Windows, don't forget pkt...

Updated 2 months ago by bluecrow76

Useful PowerShell Commands

Microsoft PowerShell

Placeholder Select-String is the Grep equivalent Examples: # Searching for multiple patterns...

Updated 2 months ago by bluecrow76

Querying Event Logs

Microsoft PowerShell

I noticed that there is a huge speed difference between using an XML Query and PowerShell Get-Eve...

Updated 2 months ago by bluecrow76

Flashfig and Netinstall

Mikrotik

  Microsoft Hyper-V Flashfig will not work properly on a Windows computer running Microsoft Hyp...

Updated 2 months ago by bluecrow76

Snippets

Microsoft PowerShell

Logged in users $loggedInUsers = (query user) -split "\n" -replace '\s\s+', ';' | convertfrom-...

Updated 2 months ago by bluecrow76

Code Signing

EasyRSA

Creating the certificate Below are the steps to create a code signing certificate using OpenSSL ...

Updated 2 months ago by bluecrow76

Ubuntu unattended upgrades

Linux

# enable unattended upgrades dpkg-reconfigure --priority=low unattended-upgrades # edit una...

Updated 2 months ago by bluecrow76

SystemD

Minecraft

The two files below are the merger of other Minecraft SystemD service files I came across on the ...

Updated 3 months ago by bluecrow76

DHCP Server Lease last-seen comparison

Mikrotik Snippets

/ip dhcp-server lease print where last-seen > "30d" /ip dhcp-server lease print where last-see...

Updated 3 months ago by bluecrow76

Windows Network Management from the command line

Microsoft PowerShell

PowerShell Show relevant settings # IPv4 and IPv6 - Display interfaces sorted by name, index,...

Updated 3 months ago by bluecrow76