大家好， 我问一个小问题
我自己定制了buildroot， 只设置了链接器和安装了dropbear， 系统启动都正常，内网外网都可以ping的通， 我现在用dropbear开启监听，出现问题如下
# netstat -tln
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
netstat: /proc/net/tcp6: No such file or directory
#
#
# dropbear -p 2222
#
#
# netstat -tln
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State
netstat: /proc/net/tcp6: No such file or directory
#
# ping www.baidu.com
PING www.baidu.com (180.101.49.12): 56 data bytes
64 bytes from 180.101.49.12: seq=0 ttl=53 time=7.716 ms
64 bytes from 180.101.49.12: seq=1 ttl=53 time=7.628 ms
64 bytes from 180.101.49.12: seq=2 ttl=53 time=7.547 ms我感觉端口打不开啊， 还是我缺什么配置了？ 也不像缺配置了，按道理说系统刚启动时，我调用netstat -tln，怎么样也应该有点东西啊，我那个什么都没，昨天卡了一天了，请各位帮忙看看， 给点参考意见，谢谢了
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ps 显示所有进程， 看 dropbear 有没有在跑。
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好像没有啊，下面是我系统启动信息最后面的一部分， 我看Starting dropbear sshd: OK 已经OK啊， 这是什么情况
rtc-ds1307 0-0068: setting system clock to 2020-03-31 09:37:37 UTC (1585647457)
mmcblk0boot1: mmc0:0001 004G60 partition 2 2.00 MiB
mmcblk0: p1
mmcblk0boot1: unknown partition table
mmcblk0boot0: unknown partition table
EXT3-fs: barriers not enabled
kjournald starting. Commit interval 5 seconds
EXT3-fs (mmcblk0p1): warning: checktime reached, running e2fsck is recommended
EXT3-fs (mmcblk0p1): using internal journal
EXT3-fs (mmcblk0p1): mounted filesystem with writeback data mode
VFS: Mounted root (ext3 filesystem) on device 179:1.
Freeing init memory: 200K
devpts: called with bogus options
can't open /dev/null: No such file or directory
can't open /dev/null: No such file or directory
can't open /dev/null: No such file or directory
can't open /dev/null: No such file or directory
Starting syslogd: OK
Starting klogd: OK
Running sysctl: OK
Starting mdev... OK
modprobe: can't change directory to '/lib/modules': No such file or directory
Saving random seed: OK
Starting network: OK
Starting dropbear sshd: OK# ps
PID USER COMMAND
1 root init
2 root [kthreadd]
3 root [ksoftirqd/0]
4 root [kworker/0:0]
5 root [kworker/u:0]
6 root [migration/0]
7 root [migration/1]
8 root [kworker/1:0]
9 root [ksoftirqd/1]
10 root [khelper]
11 root [kworker/u:1]
341 root [sync_supers]
343 root [bdi-default]
345 root [kblockd]
376 root [ata_sff]
380 root [imx6q-ecspi.4]
391 root [khubd]
413 root [ipu1_task]
414 root [ipu1_task]
415 root [ipu2_task]
416 root [ipu2_task]
427 root [l2cap]
430 root [kworker/0:1]
432 root [cfg80211]
518 root [rpciod]
526 root [usb_wakeup thre]
528 root [otg_switch]
532 root [usb_wakeup thre]
543 root [kswapd0]
544 root [ksmd]
606 root [fsnotify_mark]
623 root [nfsiod]
636 root [crypto]
981 root [kworker/1:1]
1220 root [kapmd]
1257 root [mtdblock0]
1262 root [mtdblock1]
1318 root [irq/401-ads7846]
1324 root [2-0038]
1356 root [kworker/u:2]
1364 root [vpu_wq]
1369 root [galcore workque]
1370 root [Vivante Kernel ]
1371 root [galcore daemon ]
1372 root [galcore daemon ]
1373 root [galcore daemon ]
1410 root [krfcommd]
1414 root [mmcqd/0]
1415 root [mmcqd/0boot0]
1421 root [mmcqd/0boot1]
1429 root [kjournald]
1432 root [flush-179:0]
1445 root /sbin/syslogd -n
1449 root /sbin/klogd -n
1461 root /sbin/mdev -df
1493 root -sh
1494 root [kworker/0:2]
1508 root ps离线
这个日志 Starting dropbear sshd 应该是
/etc/init.d/XXX 开机初始化脚本里面显示出来的， 找到对应的dropbear 命令行修改一下。
dropbear 命令行我记得有后台运行的参数， 你找一下。
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我去找一下， 谢谢你啊
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