答:关于第一个问题,我查了一下,没有你说的ttyp0和ptyp0,而其它没有问题的服务器也同样没有你说的这两个文件。目录列表如下:
crw------- 1 root root 36, 8 May 7 21:42 arpd
lrwxrwxrwx 1 root root 3 May 7 21:42 cdrom -> hda
crw------- 1 root root 5, 1 May 7 13:43 console
lrwxrwxrwx 1 root root 11 May 7 21:42 core -> /proc/kcore
drwxr-xr-x 3 root root 60 May 7 13:42 cpu
lrwxrwxrwx 1 root root 9 May 7 21:42 cpu0 -> cpu/0/cpu
crw------- 1 root root 36, 14 May 7 21:42 dnrtmsg
lrwxrwxrwx 1 root root 3 May 7 21:42 dvd -> hda
lrwxrwxrwx 1 root root 13 May 7 21:42 fd -> /proc/self/fd
crw-rw-rw- 1 root root 1, 7 May 7 21:42 full
crw------- 1 root root 36, 3 May 7 21:42 fwmonitor
brw------- 1 bea disk 3, 0 May 7 21:42 hda
prw------- 1 root root 0 May 7 21:42 initctl
drwxr-xr-x 2 root root 120 May 7 13:42 input
crw------- 1 root root 36, 13 May 7 21:42 ip6_fw
crw------- 1 root root 1, 11 May 7 21:42 kmsg
srw-rw-rw- 1 root root 0 May 7 13:42 log
brw-r----- 1 root disk 7, 0 May 7 21:42 loop0
brw-r----- 1 root disk 7, 1 May 7 21:42 loop1
brw-r----- 1 root disk 7, 2 May 7 21:42 loop2
brw-r----- 1 root disk 7, 3 May 7 21:42 loop3
brw-r----- 1 root disk 7, 4 May 7 21:42 loop4
brw-r----- 1 root disk 7, 5 May 7 21:42 loop5
brw-r----- 1 root disk 7, 6 May 7 21:42 loop6
brw-r----- 1 root disk 7, 7 May 7 21:42 loop7
crw-rw---- 1 root lp 6, 0 May 7 21:42 lp0
crw-rw---- 1 root lp 6, 1 May 7 21:42 lp1
crw-rw---- 1 root lp 6, 2 May 7 21:42 lp2
crw-rw---- 1 root lp 6, 3 May 7 21:42 lp3
lrwxrwxrwx 1 root root 13 May 7 21:42 MAKEDEV -> /sbin/MAKEDEV
drwxr-xr-x 2 root root 60 May 7 13:42 mapper
crw------- 1 root root 10, 227 May 7 21:42 mcelog
brw-rw---- 1 root disk 9, 0 May 7 21:42 md0
brw-r----- 1 root disk 9, 1 May 7 21:42 md1
brw-r----- 1 root disk 9, 10 May 7 21:42 md10
brw-r----- 1 root disk 9, 11 May 7 21:42 md11
brw-r----- 1 root disk 9, 12 May 7 21:42 md12
brw-r----- 1 root disk 9, 13 May 7 21:42 md13
brw-r----- 1 root disk 9, 14 May 7 21:42 md14
brw-r----- 1 root disk 9, 15 May 7 21:42 md15
brw-r----- 1 root disk 9, 16 May 7 21:42 md16
brw-r----- 1 root disk 9, 17 May 7 21:42 md17
brw-r----- 1 root disk 9, 18 May 7 21:42 md18
brw-r----- 1 root disk 9, 19 May 7 21:42 md19
brw-r----- 1 root disk 9, 2 May 7 21:42 md2
brw-r----- 1 root disk 9, 20 May 7 21:42 md20
brw-r----- 1 root disk 9, 21 May 7 21:42 md21
brw-r----- 1 root disk 9, 22 May 7 21:42 md22
brw-r----- 1 root disk 9, 23 May 7 21:42 md23
brw-r----- 1 root disk 9, 24 May 7 21:42 md24
brw-r----- 1 root disk 9, 25 May 7 21:42 md25
brw-r----- 1 root disk 9, 26 May 7 21:42 md26
brw-r----- 1 root disk 9, 27 May 7 21:42 md27
brw-r----- 1 root disk 9, 28 May 7 21:42 md28
brw-r----- 1 root disk 9, 29 May 7 21:42 md29
brw-r----- 1 root disk 9, 3 May 7 21:42 md3
brw-r----- 1 root disk 9, 30 May 7 21:42 md30
brw-r----- 1 root disk 9, 31 May 7 21:42 md31
brw-r----- 1 root disk 9, 4 May 7 21:42 md4
brw-r----- 1 root disk 9, 5 May 7 21:42 md5
brw-r----- 1 root disk 9, 6 May 7 21:42 md6
brw-r----- 1 root disk 9, 7 May 7 21:42 md7
brw-r----- 1 root disk 9, 8 May 7 21:42 md8
brw-r----- 1 root disk 9, 9 May 7 21:42 md9
crw-r----- 1 root kmem 1, 1 May 7 21:42 mem
crw------- 1 root root 13, 63 May 7 21:42 mice
drwxr-xr-x 2 root root 60 May 7 21:42 net
crw------- 1 root root 36, 5 May 7 21:42 nflog
crw-rw-rw- 1 root root 1, 3 May 7 21:42 null
crw-rw---- 1 root lp 99, 0 May 7 21:42 parport0
crw-rw---- 1 root lp 99, 1 May 7 21:42 parport1
crw-rw---- 1 root lp 99, 2 May 7 21:42 parport2
crw-rw---- 1 root lp 99, 3 May 7 21:42 parport3
crw-r----- 1 root kmem 1, 4 May 7 21:42 port
crw------- 1 root root 108, 0 May 7 21:42 ppp
crw-rw-rw- 1 root tty 5, 2 May 7 21:42 ptmx
drwxrwxrwt 2 root root 40 May 7 21:42 pts
lrwxrwxrwx 1 root root 4 May 7 21:42 ram -> ram1
brw-rw---- 1 root disk 1, 0 May 7 21:42 ram0
brw-rw---- 1 root disk 1, 1 May 7 21:42 ram1
brw-rw---- 1 root disk 1, 10 May 7 21:42 ram10
brw-rw---- 1 root disk 1, 11 May 7 21:42 ram11
brw-rw---- 1 root disk 1, 12 May 7 21:42 ram12
brw-rw---- 1 root disk 1, 13 May 7 21:42 ram13
brw-rw---- 1 root disk 1, 14 May 7 21:42 ram14
brw-rw---- 1 root disk 1, 15 May 7 21:42 ram15
brw-rw---- 1 root disk 1, 2 May 7 21:42 ram2
brw-rw---- 1 root disk 1, 3 May 7 21:42 ram3
brw-rw---- 1 root disk 1, 4 May 7 21:42 ram4
brw-rw---- 1 root disk 1, 5 May 7 21:42 ram5
brw-rw---- 1 root disk 1, 6 May 7 21:42 ram6
brw-rw---- 1 root disk 1, 7 May 7 21:42 ram7
brw-rw---- 1 root disk 1, 8 May 7 21:42 ram8
brw-rw---- 1 root disk 1, 9 May 7 21:42 ram9
lrwxrwxrwx 1 root root 4 May 7 21:42 ramdisk -> ram0
crw-rw-rw- 1 root root 1, 8 Jul 8 15:07 random
crw------- 1 root root 162, 0 May 7 21:42 rawctl
brw------- 1 root root 8, 3 May 7 21:42 root
crw------- 1 root root 36, 0 May 7 21:42 route
crw------- 1 root root 36, 11 May 7 21:42 route6
crw-r--r-- 1 root root 10, 135 May 7 21:42 rtc
brw-rw---- 1 root disk 8, 0 May 7 21:42 sda
brw-rw---- 1 root disk 8, 1 May 7 21:42 sda1
brw-rw---- 1 root disk 8, 2 May 7 21:42 sda2
brw-rw---- 1 root disk 8, 3 May 7 21:42 sda3
brw-rw---- 1 root disk 8, 4 May 7 21:42 sda4
brw-rw---- 1 root disk 8, 5 May 7 21:42 sda5
drwxr-xr-x 2 root root 40 May 7 21:42 shm
crw------- 1 root root 36, 1 May 7 21:42 skip
lrwxrwxrwx 1 root root 15 May 7 21:42 stderr -> /proc/self/fd/2
lrwxrwxrwx 1 root root 15 May 7 21:42 stdin -> /proc/self/fd/0
lrwxrwxrwx 1 root root 15 May 7 21:42 stdout -> /proc/self/fd/1
lrwxrwxrwx 1 root root 4 May 7 21:42 systty -> tty0
crw------- 1 root root 36, 16 May 7 21:42 tap0
crw------- 1 root root 36, 17 May 7 21:42 tap1
crw------- 1 root root 36, 26 May 7 21:42 tap10
crw------- 1 root root 36, 27 May 7 21:42 tap11
crw------- 1 root root 36, 28 May 7 21:42 tap12
crw------- 1 root root 36, 29 May 7 21:42 tap13
crw------- 1 root root 36, 30 May 7 21:42 tap14
crw------- 1 root root 36, 31 May 7 21:42 tap15
crw------- 1 root root 36, 18 May 7 21:42 tap2
crw------- 1 root root 36, 19 May 7 21:42 tap3
crw------- 1 root root 36, 20 May 7 21:42 tap4
crw------- 1 root root 36, 21 May 7 21:42 tap5
crw------- 1 root root 36, 22 May 7 21:42 tap6
crw------- 1 root root 36, 23 May 7 21:42 tap7
crw------- 1 root root 36, 24 May 7 21:42 tap8
crw------- 1 root root 36, 25 May 7 21:42 tap9
crw------- 1 root root 36, 4 May 7 21:42 tcpdiag
crw-rw-rw- 1 root root 5, 0 May 7 21:42 tty
crw-rw---- 1 root tty 4, 0 May 7 21:42 tty0
crw--w---- 1 bea tty 4, 1 Jun 22 14:25 tty1
crw-rw---- 1 root tty 4, 10 May 7 21:42 tty10
crw-rw---- 1 root tty 4, 11 May 7 21:42 tty11
crw-rw---- 1 root tty 4, 12 May 7 21:42 tty12
crw-rw---- 1 root tty 4, 13 May 7 21:42 tty13
crw-rw---- 1 root tty 4, 14 May 7 21:42 tty14
crw-rw---- 1 root tty 4, 15 May 7 21:42 tty15
crw-rw---- 1 root tty 4, 16 May 7 21:42 tty16
crw-rw---- 1 root tty 4, 17 May 7 21:42 tty17
crw-rw---- 1 root tty 4, 18 May 7 21:42 tty18
crw-rw---- 1 root tty 4, 19 May 7 21:42 tty19
crw--w---- 1 root tty 4, 2 Jul 8 15:18 tty2
crw-rw---- 1 root tty 4, 20 May 7 21:42 tty20
crw-rw---- 1 root tty 4, 21 May 7 21:42 tty21
crw-rw---- 1 root tty 4, 22 May 7 21:42 tty22
crw-rw---- 1 root tty 4, 23 May 7 21:42 tty23
crw-rw---- 1 root tty 4, 24 May 7 21:42 tty24
crw-rw---- 1 root tty 4, 25 May 7 21:42 tty25
crw-rw---- 1 root tty 4, 26 May 7 21:42 tty26
crw-rw---- 1 root tty 4, 27 May 7 21:42 tty27
crw-rw---- 1 root tty 4, 28 May 7 21:42 tty28
crw-rw---- 1 root tty 4, 29 May 7 21:42 tty29
crw------- 1 root root 4, 3 Jun 2 15:58 tty3
crw-rw---- 1 root tty 4, 30 May 7 21:42 tty30
crw-rw---- 1 root tty 4, 31 May 7 21:42 tty31
crw-rw---- 1 root tty 4, 32 May 7 21:42 tty32
crw-rw---- 1 root tty 4, 33 May 7 21:42 tty33
crw-rw---- 1 root tty 4, 34 May 7 21:42 tty34
crw-rw---- 1 root tty 4, 35 May 7 21:42 tty35
crw-rw---- 1 root tty 4, 36 May 7 21:42 tty36
crw-rw---- 1 root tty 4, 37 May 7 21:42 tty37
crw-rw---- 1 root tty 4, 38 May 7 21:42 tty38
crw-rw---- 1 root tty 4, 39 May 7 21:42 tty39
crw------- 1 root root 4, 4 May 7 13:43 tty4
crw-rw---- 1 root tty 4, 40 May 7 21:42 tty40
crw-rw---- 1 root tty 4, 41 May 7 21:42 tty41
crw-rw---- 1 root tty 4, 42 May 7 21:42 tty42
crw-rw---- 1 root tty 4, 43 May 7 21:42 tty43
crw-rw---- 1 root tty 4, 44 May 7 21:42 tty44
crw-rw---- 1 root tty 4, 45 May 7 21:42 tty45
crw-rw---- 1 root tty 4, 46 May 7 21:42 tty46
crw-rw---- 1 root tty 4, 47 May 7 21:42 tty47
crw-rw---- 1 root tty 4, 48 May 7 21:42 tty48
crw-rw---- 1 root tty 4, 49 May 7 21:42 tty49
crw------- 1 root root 4, 5 May 7 13:43 tty5
crw-rw---- 1 root tty 4, 50 May 7 21:42 tty50
crw-rw---- 1 root tty 4, 51 May 7 21:42 tty51
crw-rw---- 1 root tty 4, 52 May 7 21:42 tty52
crw-rw---- 1 root tty 4, 53 May 7 21:42 tty53
crw-rw---- 1 root tty 4, 54 May 7 21:42 tty54
crw-rw---- 1 root tty 4, 55 May 7 21:42 tty55
crw-rw---- 1 root tty 4, 56 May 7 21:42 tty56
crw-rw---- 1 root tty 4, 57 May 7 21:42 tty57
crw-rw---- 1 root tty 4, 58 May 7 21:42 tty58
crw-rw---- 1 root tty 4, 59 May 7 21:42 tty59
crw------- 1 root root 4, 6 May 7 13:43 tty6
crw-rw---- 1 root tty 4, 60 May 7 21:42 tty60
crw-rw---- 1 root tty 4, 61 May 7 21:42 tty61
crw-rw---- 1 root tty 4, 62 May 7 21:42 tty62
crw-rw---- 1 root tty 4, 63 May 7 21:42 tty63
crw-rw---- 1 root tty 4, 7 May 7 21:42 tty7
crw-rw---- 1 root tty 4, 8 May 7 21:42 tty8
crw-rw---- 1 root tty 4, 9 May 7 21:42 tty9
crw-rw---- 1 root uucp 4, 64 May 7 13:42 ttyS0
crw-rw---- 1 root uucp 4, 65 May 7 13:42 ttyS1
crw-rw---- 1 root uucp 4, 66 May 7 21:42 ttyS2
crw-rw---- 1 root uucp 4, 67 May 7 21:42 ttyS3
crw-rw---- 1 root uucp 4, 68 May 7 21:42 ttyS4
crw-rw---- 1 root uucp 4, 69 May 7 21:42 ttyS5
crw-rw---- 1 root uucp 4, 70 May 7 21:42 ttyS6
crw-rw---- 1 root uucp 4, 71 May 7 21:42 ttyS7
cr--r--r-- 1 root root 1, 9 May 7 13:42 urandom
crw------- 1 root root 36, 2 May 7 21:42 usersock
crw------- 1 vcsa tty 7, 0 May 7 21:42 vcs
crw------- 1 vcsa tty 7, 1 May 7 13:42 vcs1
crw------- 1 vcsa tty 7, 2 Jul 8 09:04 vcs2
crw------- 1 vcsa tty 7, 3 Jun 2 15:58 vcs3
crw------- 1 vcsa tty 7, 4 May 7 13:43 vcs4
crw------- 1 vcsa tty 7, 5 May 7 13:43 vcs5
crw------- 1 vcsa tty 7, 6 May 7 13:43 vcs6
crw------- 1 vcsa tty 7, 128 May 7 21:42 vcsa
crw------- 1 vcsa tty 7, 129 May 7 13:42 vcsa1
crw------- 1 vcsa tty 7, 130 Jul 8 09:04 vcsa2
crw------- 1 vcsa tty 7, 131 Jun 2 15:58 vcsa3
crw------- 1 vcsa tty 7, 132 May 7 13:43 vcsa4
crw------- 1 vcsa tty 7, 133 May 7 13:43 vcsa5
crw------- 1 vcsa tty 7, 134 May 7 13:43 vcsa6
crw------- 1 root root 36, 6 May 7 21:42 xfrm
lrwxrwxrwx 1 root root 4 May 7 21:42 XOR -> null
crw-rw-rw- 1 root root 1, 5 May 7 21:42 zero
第二个问题:telnet localhost也是报同样的错误:telnetd: all network ports in use.