The "lsof" command will tell you what process is holding the port.
On Sat, Aug 20, 2022 at 5:20 PM Chuck Hast <wch...@gmail.com> wrote: > Folks, > I am trying to follow some instructions to load a file into a > device using dns masque. The command is this: > > sudo dnsmasq -i eth0 -u joe --log-dhcp --bootp-dynamic > --dhcp-range=192.168.1.100,192.168.1.200 -d -p0 -K --dhcp-boot=rb.elf > --enable-tftp --tftp-root=/tftp/ > > > Whe I try to execute it I get the following error message: > Dnsmasq: Failed to create listening socket for port 69: address > already in use. > > I used ss and saw that there was a tfpd server that I had installed > ages ago, it was still there, I removed it but I still get the same error > I see that port is still shown using the ss command but I do not see > what is using it. > > Any suggestions? > > -- > > Chuck Hast -- KP4DJT -- > I can do all things through Christ which strengtheneth me. > Ph 4:13 KJV > Todo lo puedo en Cristo que me fortalece. > Fil 4:13 RVR1960 >
