Monday, November 29, 2021

Port Forwarding Tester

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  https://www.yougetsignal.com/tools/open-ports/

List of TCP and UDP port numbers

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  https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers
Thursday, November 25, 2021

Error: Unable to load CA certificates on Mosquitto Broker Server

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1637245173: Error: Unable to load CA certificates. Check cafile "/etc/letsencrypt/live/10.0.36.50/chain.pem". 1637245173: Error: U...

Mosquitto man page

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 https://mosquitto.org/man/mosquitto -8.html
Wednesday, November 24, 2021

MQTT broker

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 1.  https://www.emqx.io/ 2.  https://www.hivemq.com/ 3,  https://mosquitto.org/

Node-RED

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 https://nodered.org/

The open port checker is a tool you can use to check your external IP address and detect open ports on your connection

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  https://www.yougetsignal.com/tools/open-ports/
Tuesday, November 23, 2021

Install Mosquitto MQTT Broker On Ubuntu 20.04 Server

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 https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-the-mosquitto-mqtt-messaging-broker-on-ubuntu-16-04

Explain Shell

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 https://explainshell.com/explain/8/netstat

How To Install Nginx on Ubuntu 20.04

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 https://www.digitalocean.com/community/tutorials/how-to-install-nginx-on-ubuntu-20-04
Sunday, November 21, 2021

Ubuntu Nginx SSL: How to install an SSL certificate on Ubuntu for Nginx

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 https://www.godaddy.com/garage/how-to-install-an-ssl-certificate-on-ubuntu-for-nginx/

SSL on Nginx throws error (SSL: error:0908F066:PEM routines:get_header_and_data:bad end line)

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 https://stackoverflow.com/questions/62514704/ssl-on-nginx-throws-error-ssl-error0908f066pem-routinesget-header-and-data

nginx.service failed because the control process exited

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 https://stackoverflow.com/questions/35868976/nginx-service-failed-because-the-control-process-exited/58332311#58332311

Extracting the certificate and keys from a .pfx file

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 https://www.ibm.com/docs/en/arl/9.7?topic=certification-extracting-certificate-keys-from-pfx-file

COMODO SSL Certificate Installation: Nginx

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 https://techglimpse.com/comodo-ssl-certificate-installation-nginx/
Saturday, November 20, 2021

Secure Nginx with Let's Encrypt on Ubuntu 20.04

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 https://linuxize.com/post/secure-nginx-with-let-s-encrypt-on-ubuntu-20-04/ https://www.webfoobar.com/node/146
Friday, March 5, 2021

Peter Lynch's 25 Golden Rules for Investing

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 Rule 1: Investing is fun and exciting, but dangerous if you don't do any work. Rule 2: Your investor's edge is not something you ge...
Thursday, March 4, 2021

Gann's 28 Trading Rules

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 The Rules given below are based upon W. D. Gann's experience : 1. Amount of capital to use: Divide your capital into 10 equal parts and...
Tuesday, March 2, 2021

Money Flow Index Trading Indicator

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The Money Flow Index (MFI) is a momentum indicator that measures the strength of money flowing in and out of a market. Look for divergence b...
Monday, March 1, 2021

On Balance Volume indicator(OBV) for Trading

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 Overview of OBV Indicator On Balance Volume (OBV) measures buying and selling pressure as a cumulative indicator that adds volume on up day...