【资料整理】获取tcp状态
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1）ss
[root@test234 ~]
# ss state all |awk '{++a[$1]} END {for(b in a) {printf"%11-s%s\n", b, a[b]}}'
ESTAB 3
State 1
TIME-WAIT 55
LISTEN 10
2）
netstat
[root@test234 ~]
# netstat -an |awk '/^tcp/ {++a[$NF]} END {for(b in a) {printf"%11-s%s\n", b, a[b]}}'
TIME_WAIT 51
ESTABLISHED3
LISTEN 10
3）
/proc/net/tcp
[root@test234 ~]
# cat /proc/net/tcp
sl local_address rem_address st tx_queue rx_queue
tr
tm->when retrnsmt uid timeout inode
0: 00000000:0050 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 175759 1 ffff88007b19a7c0 99 0 0 10 -1
1: 00000000:2756 00000000:0000 0A 00000000:00000000 00:00000000 00000000 500 0 10647 1 ffff88007c8f1400 99 0 0 10 -1
2: 00000000:0016 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 9995 1 ffff880037c553c0 99 0 0 10 -1
3: 00000000:2757 00000000:0000 0A 00000000:00000000 00:00000000 00000000 500 0 10843 1 ffff88007c8f0080 99 0 0 10 -1
00 ERROR_STATUS
01 TCP_ESTABLISHED
02 TCP_SYN_SENT
03 TCP_SYN_RECV
04 TCP_FIN_WAIT1
05 TCP_FIN_WAIT2
06 TCP_TIME_WAIT
07 TCP_CLOSE
08 TCP_CLOSE_WAIT
09 TCP_LAST_ACK
0A TCP_LISTEN
0B TCP_CLOSING
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本文转自 pcnk 51CTO博客，原文链接：http://blog.51cto.com/nosmoking/1595654，如需转载请自行联系原作者
