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Update commands.md

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John-Paul Bader
2016-03-23 11:11:22 +01:00
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@ -115,6 +115,7 @@ netstat -an # display all connections
netstat -m # display buffer usage netstat -m # display buffer usage
netstat -Lan # display status of listen queues netstat -Lan # display status of listen queues
netstat -s # display extensive statistics per protocol (use -p tcp to only show tcp) netstat -s # display extensive statistics per protocol (use -p tcp to only show tcp)
sockstat -l # display listening sockets, process names and pids
sysctl kern.ipc.numopensockets # display number of open sockets sysctl kern.ipc.numopensockets # display number of open sockets
vmstat -z | egrep "ITEM|tcpcb" # number of hash table buckets to handle incoming tcp connections vmstat -z | egrep "ITEM|tcpcb" # number of hash table buckets to handle incoming tcp connections
increase net.inet.tcp.tcbhashsize if hitting the limit increase net.inet.tcp.tcbhashsize if hitting the limit