Monitoring a FreeBSD server from command line
netstat
systat
iftop and nload
Install nload to see your used bandwidth.
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(/usr/ports/net/nload)
Usage:
#nload -i 1024 -o 1024 fxp0
where: -i 1024, incoming traffic, -o 1024 outgoing traffic, fxp0, your network interface. Change to your values.
Install iftop to see your server traffic.
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(/usr/ports/net-mgmt/iftop)
Usage:
#iftop -i fxp0
where: fxp0 is your network interface.
Netstat
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Use netstat to find a lot of information regarding your server/network connections, routes.
#netstat -r # display your routing table
#netstat -a # display your active sockets for each network
protocol
for detalied informations please read man page: netstat(1).
Systat
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Use systat to display different statistics. Please read man page: systat(1).
