Linux - Serial Ports Under Linux

Check serial devices
# dmesg | grep tty
or
# setserial -g /dev/ttyS[0123]


minicom Common features / usage
=> Setting up a remote serial console
=> Access a computer / server if the LAN is down
=> Connect to embedded Linux / BSD device via null modem cable
=> Connect to Cisco routers for configuration
=> Connect to dump device i.e. device w/o keyboard and mouse
=> Dialing directory with auto-redial
=> Support for UUCP-style lock files on serial devices
=> Separate script language interpreter
=> Capture to file
=> Multiple users with individual configurations

Setup minicom
# minicom -s
or
# minicom -s -c on

Start minicom
# minicom

minicom keyboard short cut keys
Use the following keys:
1. UP arrow-up or k
2. DOWN arrow-down or j
3. LEFT arrow-left or h
4. RIGHT arrow-right or l
5. CHOOSE (select menu) Enter
6. CANCEL ESCape