Tech geek. Life geek.
I followed the instruction on my old post to disable IPv6 on my Ubuntu 22.04 box. But it is not enough to make it permanently. Every time I reboot the machine, the IPv6 comes again. Here is the solution...
I have the NAS. Transmission is running on it. I like setting port rules on my router to make the BT service visible from the public network. This post is about how to disable IPv6 on Ubuntu. You can also...
It is a general command to check which program is using port 80. And also known the PID of this process. Then to force stop it and release the port 80 to other program. To get more details of...
I read the PC Magazine sometimes. One term is coming often and often. It is Thunderbolt. It is a new standard for I/O device of computer. Thunderbolt (codenamed Light Peak) is a hardware interface that allows for the connection of...
I enabled IIS 7 on one of my Windows 7 box. When I click start the default site, it always give me error. Said something wrong of the setting. Only when I change the binding port to other than 80,...
The following IP Ports and Protocols are excerpted from Networking Fundamentals. Port number – Protocols name 20 – File Transfer Protocol (FTP) data 21 – File Transfer Protocol (FTP) control 23 – Telnet 25 – Simple Mail Transfer Protocol (SMTP)...