common ports used by services

Here are common ports used by various software and services. 21 FTP Server 25 SMTP SERVER, EXIM, MAIL ENABLE, HMAILSERVER, etc 53 DNS SERVER 80 WEB SERVER (iis, apache) 110 POP3 135 Windows RPC, Remote Procedure Calls 139 NetBIOS Session (TCP), Windows File and Printer Sharing 143 IMAP 445 Windows Server Message Block, NetBIOS, File […]

Read More…

Maildev – Fake SMTP server for development

maildev fake smtp server

maildev is a fake SMTP server + interface to read the mail. It is useful for web developers during development stage where they don’t want email sents to read email address. To run maildev using docker, run

Now you will be able to access web interface to read emails on port 1080

Fake […]

Read More…

Customer Relationship Management

Customer Relationship Management (CRM) allow you to manage customers. HubSpot Fre plan allow unlimited users, unlimited contacts, shared inbox and ticket system. Look like a good system to use as shared inbox/helpdesk. They have google chrome extension, that integrate with gmail/google workspace so all emails get tracked in CRM with read notifications. Agile CRM […]

Read More… cannot open shared object file

When starting RuneScape client on Ubuntu 20.04, i get folloiwng error

To fix this, run


Read More…

Moodle 3.2 PostgreSQL 12 Error reading from database

Moodle 3.2 PostgreSQL error

Moodle 3.2 site started showing error “Error reading from database”. I checked config.php, the database credentials are correct, i was able to login to Amazon AWS RDS PostgreSQL database with the credentaials and able to see the database tables with command \dt.

I enabled debug in DB with following SQL commands

But for […]

Read More…