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linux helpfull commands
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| # number of ssh connections | |
| netstat -tnpa | grep 'ESTABLISHED.*sshd' | |
| # network interfaces with their max speed | |
| for i in $(netstat -i|cut -f1 -d" "|tail -n+3);do echo "$i: $(ethtool "$i"|grep Speed|sed 's/Speed://g')";done |
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