https://old.andunix.net/ 2026-06-03T20:29:05+00:00 https://old.andunix.net/ https://old.andunix.net/_media/favicon.ico text/html 2014-02-02T12:02:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/p/dmx/program Program The controller (Arduino) can be programmed to animate the value on a DMX channel from one value to another. The contoller has an program counter which is counted up by one every iteration. The iterations will be 5ms (200Hz), 10ms (100 Hz) or 20ms (50 Hz) long. The value of the program counter ist exchanged between the host an the controller with the command text/html 2014-02-02T11:19:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/p/dmx/protocol Serial Protocol For the communication between the host (PC) and the controller (Arduino), there is a serial protocol over USB. The protocol is line by line, with carriage return (“\n”) as end. The first character denotes the type of command or information. The following commands have been defined: text/html 2017-04-13T20:11:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/sysadmin/list_open_ports List Open Ports To list the open ports together with the listening processes: netstat -tulpn Here is an example output: Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 695/sshd tcp6 0 0 :::22 :::* LISTEN 695/sshd udp 0 0 0.0.0.0:55872 … text/html 2014-04-28T08:07:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/debug_server_certificate_from_client Debug Server Certificate from Client Credit for this example goes to “ Checking A Remote Certificate Chain With OpenSSL” from langui.sh. openssl s_client -showcerts -connect www.andunix.net:443 Informations about the used arguments from the OpenSSL man page: * s_client: SSL/TLS client program * -showcerts: display the whole server certificate chain: normally only the server certificate itself is displayed. text/html 2014-02-22T13:16:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/virtualbox/cli VBoxManage (The VirtualBox CLI) This is a online reference of the output of VBoxManage without options. Oracle VM VirtualBox Command Line Management Interface Version 4.2.16 (C) 2005-2013 Oracle Corporation All rights reserved. Usage: VBoxManage [<general option>] <command>