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121 total results found

Permissions / Grants

MySQL

Grants GRANT ALL ON *.* TO 'user'@'localhost' IDENTIFIED BY 'somepassword'; GRANT ALL ON database.* TO 'user'@'localhost' IDENTIFIED BY 'somepassword'; GRANT ALL ON database.table TO 'user'@'localhost' IDENTIFIED BY 'somepassword'; GRANT insert ON *.* TO...

MAC Addresses

Networking

MAC OUI   Reserved OUIs Addresses Usage Reference 00-00-00 to 00-00-FF Reserved [RFC7042] 00-01-00 to 00-01-FF VRRP (Virtual Router Redundancy Protocol) [RFC5798] 00-02-00 to 00-02-FF VRRP IPv6 (Virtual Router Redundancy Protocol...

Ruckus / Brocade

Networking

Links https://robrobstation.com/2017/07/17/ruckus-icx7150-c12p-initial-configuration/  

VBAN for Linux

Linux

https://github.com/quiniouben/vban I've used Voicemeeter Banana and Potato for a long time to do advanced audio management on my various computers, including streaming audio from various computers in the house to my laptop and vice versa. VBAN for Linux allo...

radsecproxy

Technical Notebook Pages

radsecproxy Github Project Page radsecproxy.conf man page Configuration Example Configuration Options # Note that some block option values may reference a block by name, in which case the block name must be previously defined. Hence the order of the blocks...

Network Policy Server / NPS

Microsoft

  Enable NTLMv2 support for MSCHAPv2 RADIUS requests Enables proxied radius requests when using things like radsecproxy, duoauthproxy, etc. Avoids the MS-CHAP-Error responses. $registryPath = "HKLM:\System\CurrentControlSet\Services\RemoteAccess\Policy" $p...

OpenVPN

Technical Notebook Pages

Integrating OpenVPN with RADIUS Below is the culmination of at least a month working with OpenVPN. I recently discovered a bug in the Mikrotik OpenVPN server implementation that prevents users from being informed that they entered invalid credentials. (This ...

Bandwidth monitoring

Linux

Useful console programs bwm-ng - Bandwidth Monitor NG (Next Generation), a live bandwidth monitor for network and disk io iftop - display bandwidth usage on an interface by host nethogs - Net top tool grouping bandwidth per process nload - displays the c...

Batteries

Technical Notebook Pages

Lithium Ion Voltage vs. Charge Status Original Source 4.2V – 100% 4.1V – 87% 4.0V – 75% 3.9V – 55% 3.8V – 30% 3.5V – 0% Somewhere in the 3.9V or slightly below area would be ideal for storage. Just don't overdo it. I believe AW batteries generally ship...

Useful system commands

Linux

Hardware related Memory # Show maximum capacity and number of RAM slots sudo dmidecode -t 16 # Show information on RAM in slots sudo dmidecode -t 17 # Shows all memory related information in the system. Slow as it polls all hardware first. sudo lshw -...

Flask

Python

  Reference code bases: https://github.com/miguelgrinberg/flasky  

Creating a CHR instance in AWS EC2

Mikrotik

RouterOS CHR instances in AWS EC2 I have experience with T2, T3, and T3a, primarily nano and micro, CHR instances. I prefer to use T3 instances as they provide two CPU cores for practically the same low price.  TL;DR If you want to use T3 or T3a instance, y...

Using cursors in stored procedures

MySQL Stored Procedures

The MySQL code below is from a stackoverflow answer. It provides a design pattern with detailed explanation of the behavior of a cursor inside the stored procedure. DELIMITER $$ DROP PROCEDURE IF EXISTS `my_proc` $$ CREATE PROCEDURE `my_proc`(arg1 INT) --...

Password recovery

MySQL

Reset lost root password /etc/init.d/mysqld stop mysqld_safe --skip-grant-tables --skip-networking & sleep 5 mysql -u root use mysql; update user set password=PASSWORD("toor") where User='root'; flush privileges; quit /etc/init.d/mysqld restart

Polycom

Technical Notebook Pages

Polycom SIP TLS with custom CA The config files below show how to add a custom CA certificate (customCaCert1) to a Polycom phone for use with SIP TLS registration. file: ca.cfg <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <!-- PlcmConversionCrea...

Axis camera packet capture

Technical Notebook Pages

Download network trace Source According to documentation this can be done via the URL below, as well as via the web interface in newer AXIS OS versions. pcapdump URL Source Open any browser and paste the following URL:http://CA.ME.RA.IP/axis-cgi/debug/d...

Failover for type=FWD entries in the RouterOS DNS proxy

Mikrotik

The Mikrotik DNS resolver supports static entries with type=FWD (forward). Combining this with the regex (and now the match-subdomain option since v7.6) allows you to forward queries for specific domains to a server. Unfortunately, the type=FWD resolver does n...

Ubiquiti UniFi

Technical Notebook Pages

List users in the UniFi Controller database # show list of users in the unifi mongodb database mongo --port 27117 ace --eval "db.admin.find().forEach(printjson);" Change password for a UniFi Controller user # change <UserName> to an actual user on the un...

WiFi Regulatory Notes

Technical Notebook Pages

More notes to come. For now, these are random useful illustrations from around the web.         -end

Learning Resources

Rust

rustup toolchain installer book: the rust programming language rust by example rustlings