Basic Bash monitoring tools

# Check active connections and socket states
ss -ant
ss -s
netstat -tapn | wc -l

# Monitor network bandwidth
iftop -i eth0

# Capture packets for inspection
tcpdump -i eth0 -n -c 100

# View kernel logs for network errors
dmesg | grep TCP

# View connection and error metrics
cat /proc/net/snmp
cat /proc/net/netstat