Popular Ports used for WWW

ftp 21/tcp # File Transfer [Control] (XAMPP: FTP Default Port) smtp 25/tcp mail # Simple Mail Transfer (XAMPP: SMTP Default Port) http 80/tcp # World Wide Web HTTP (XAMPP: Apache Default Port) pop3 110/tcp # Post Office Protocol – Version 3 (XAMPP: POP3 Default Port) imap 143/tcp # Internet Message Access Protocol (XAMPP: IMAP Default Port) https 443/tcp # http protocol over TLS/SSL (XAMPP: Apache SSL Port) mysql 3306/tcp # MySQL (XAMPP: MySQL Default Port) AJP/1.3 8009 # AJP/1.3 (XAMPP: Tomcat AJP/1.3 Port) http-alt 8080/tcp…

Continue reading »

How to solve Apache server installation issue

If you install Apache on Windows and you’ve got the message: No installed service named “Apache2”, disable all your firewalls like Norton and Windows Firewall, SKYPE (this application and/or other appsĀ  are using the same port 80 as your localhost). Go to window command and type netstat -na to look for all ports used on your PC. When Skype is running, it blocks your Apache installation process and it won’t register Apache to Window Services. Restart your PC. Uninstall Apache, then reinstall Apache while all…

Continue reading »

How to move cronjob from one server to another

Today I’m moving the entire physical server to a Virtual Server. When it comes to the cronjob that I have set up in the past, I have no idea how I start with since I have hundreds of cronjobs are running periodically on the current server. Some run every hour, some run every Monday morning for marketing and financial reports, some run every night to do the Credit Card batch processing on all subscriptions. Now if I move the server and I don’t carry the…

Continue reading »

Linux Set Date and Time From a Shell Command Prompt

Q. The time on my server set back 1 hour and all my cron jobs are running 1 hour off. How can I set the server date and time from the shell command prompt? I can only login over ssh session using Putty. Please advice? A. You will use date command to display the current date and time or set the system date / time over ssh session. This is useful if the Linux server date and/or time is wrong, you need to set it…

Continue reading »