主动 ssh 连接:
# netstat -an | grep -E "\:22[ \t]+" | grep ESTABLISHED | wc -l
1
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活动 Samba 连接:
# netstat -an | grep -E "\:445[ \t]+" | grep ESTABLISHED | wc -l
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或使用 lsof:
SSHCONNECTION=`lsof -i :22 | grep ESTABLISHED | wc -l`
SAMBACONNECTION=`lsof -i :445 | grep ESTABLISHED | wc -l`
echo "SSH connection: ${SSHCONNECTION} Samba connection ${SAMBACONNECTION}"
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