How to Check a Link in Linux
- 1). Log in to the computer. Start a command shell by launching a Terminal from the graphical windowing environment.
- 2). Examine the status of all network interfaces currently known to Linux by typing the following command into the shell:
ifconfig
Press "Enter." Linux will list the network interfaces together with their status. - 3). Examine the output of "ifconfig" to find the link you want to check. Each network interface has its name on column 1 of the output; the status and address information starts at the same line, on column 10. If the link is listed as "UP" and "RUNNING" on line 4, then the link is usable; otherwise, some problem with the underlying network or with the interface's configuration is preventing it from transporting network packets.
