课程第1次

botang · 发表于 2019-12-16 21:00:44

[root@instructor ~]# date +%s
1576415246

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[root@instructor ~]# bc
bc 1.06.95
Copyright 1991-1994, 1997, 1998, 2000, 2004, 2006 Free Software Foundation, Inc.
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty'.
scale=5
5/3
1.66666

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[root@instructor ~]# service dhcpd status
dhcpd (pid 2447) is running...
[root@instructor ~]# service xinetd status
xinetd (pid 2418) is running...
[root@instructor ~]# service named status
rndc: neither /etc/rndc.conf nor /etc/rndc.key was found
named (pid 1750) is running...
[root@instructor ~]# service nfs status
rpc.svcgssd is stopped
rpc.mountd (pid 2134) is running...
nfsd (pid 2131 2130 2129 2128 2127 2126 2125 2124) is running...
rpc.rquotad (pid 2118) is running...
[root@instructor ~]# service rpcbind status
rpcbind (pid 1773) is running...
[root@instructor ~]# service httpd status
httpd (pid 2550) is running...
[root@instructor ~]# service vsftpd status
vsftpd (pid 2437) is running...

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[root@instructor dhcp]# service dhcpd restart
Shutting down dhcpd: [ OK ]
Starting dhcpd: [ OK ]
[root@instructor dhcp]# tail -f /var/log/messages
Dec 15 21:48:42 instructor dhcpd: For info, please visit https://www.isc.org/software/dhcp/
Dec 15 21:48:42 instructor dhcpd: WARNING: Host declarations are global. They are not limited to the scope you declared them in.
Dec 15 21:48:42 instructor dhcpd: Not searching LDAP since ldap-server, ldap-port and ldap-base-dn were not specified in the config file
Dec 15 21:48:42 instructor dhcpd: Wrote 0 class decls to leases file.
Dec 15 21:48:42 instructor dhcpd: Wrote 0 deleted host decls to leases file.
Dec 15 21:48:42 instructor dhcpd: Wrote 0 new dynamic host decls to leases file.
Dec 15 21:48:42 instructor dhcpd: Wrote 13 leases to leases file.
Dec 15 21:48:42 instructor dhcpd: Listening on LPF/br0/00:0c:29:e6:58:98/192.168.0.0/24
Dec 15 21:48:42 instructor dhcpd: Sending on LPF/br0/00:0c:29:e6:58:98/192.168.0.0/24
Dec 15 21:48:42 instructor dhcpd: Sending on Socket/fallback/fallback-net
^[[B^C
[root@instructor dhcp]# tail -n 30 -f /var/log/messages

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/var/lib/tftpboot/pxelinux.cfg
[root@instructor pxelinux.cfg]#

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/var/www/html
[root@instructor html]# ls
course kick lab multiks.php rhce vremote.cfg workstation.cfg
courses ksupload.html leaser printers rhsurvey vremote.php
ipa ksupload.php metadestroy.cfg pub small.cfg vserver.php
[root@instructor html]# vim workstation.cfg

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Rassss · 发表于 2019-12-16 22:05:11

先来占个楼

wertopq13 · 发表于 2019-12-16 23:14:38

怎么感觉好像少了点代码

蘑菇 · 发表于 2019-12-16 23:36:28

1111111111

765686189 · 发表于 2019-12-17 01:48:10

请问一下，halt，init，shutdown哪种关机办法比较好，instructor采用shutdown now后，提示telling init to go to single user mode，百度之后用halt -p解决，但是为什么呢

Rassss · 发表于 2019-12-17 14:28:00

      host server3 {
            hardware ethernet 00:50:56:29:3B:84;
            fixed-address 192.168.0.103;
      }
      host desktop3 {
            hardware ethernet 00:50:56:21:26:C2;
            fixed-address 192.168.0.3;
      }

#    The following lines are examples of kickstart
#    directives.
      filename "/kickstart/workstation.cfg";
[root@instructor dhcp]# service dhcpd restart
Shutting down dhcpd:                                     [  OK  ]
Starting dhcpd:                                           [FAILED]
[root@instructor dhcp]# tail -f /var/log/messages
Dec 17 03:34:04 instructor dhcpd:
Dec 17 03:34:04 instructor dhcpd: This version of ISC DHCP is based on the release available
Dec 17 03:34:04 instructor dhcpd: on ftp.isc.org.  Features have been added and other changes
Dec 17 03:34:04 instructor dhcpd: have been made to the base software release in order to make
Dec 17 03:34:04 instructor dhcpd: it work better with this distribution.
Dec 17 03:34:04 instructor dhcpd:
Dec 17 03:34:04 instructor dhcpd: Please report for this software via the Red Hat Bugzilla site:
Dec 17 03:34:04 instructor dhcpd:    http://bugzilla.redhat.com
Dec 17 03:34:04 instructor dhcpd:
Dec 17 03:34:04 instructor dhcpd: exiting.

修改完之后重启报错了看不懂出错在哪里了，麻烦老师指导下

botang · 发表于 2019-12-17 15:25:13

765686189 发表于 2019-12-17 01:48
请问一下，halt，init，shutdown哪种关机办法比较好，instructor采用shutdown now后，提示telling init to ...

poweroff 这个命令最好，只要ATX的电源，相当于halt +按电源键。

botang · 发表于 2019-12-17 15:29:46

Rassss 发表于 2019-12-17 14:28
host server3 {
hardware ethernet 00:50:56:29:3B:84;
fixed- ...

tail -n 40 /var/log/message多显示几行，可能会告诉你重复写了host 项，检查一下dhcpd-vserver.conf里有没有重复项。修改之前，最好保存原配置文件。再有最后一种可能，如果是在win上修改再上传到Linux上，上传之前请用ultraedit之类的工具，把文件转成UNIX格式。

Rassss · 发表于 2019-12-17 16:43:39

botang 发表于 2019-12-17 15:29
tail -n 40 /var/log/message多显示几行，可能会告诉你重复写了host 项，检查一下dhcpd-vserver.conf里 ...

最后发现多写了2个括号 { }多了2个这个删掉之后可以了

Rassss · 发表于 2019-12-17 22:51:44

[root@instructor dhcp]# tail -n 40 -f /var/log/messages
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/A/IN': 192.203.230.10#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/AAAA/IN': 192.203.230.10#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/A/IN': 192.112.36.4#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/AAAA/IN': 192.36.148.17#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/A/IN': 128.63.2.53#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/AAAA/IN': 192.33.4.12#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/A/IN': 192.58.128.30#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/AAAA/IN': 2001:dc3::35#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/A/IN': 2001:dc3::35#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/AAAA/IN': 2001:503:ba3e::2:30#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/A/IN': 2001:500:2f::f#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/AAAA/IN': 192.58.128.30#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/A/IN': 198.41.0.4#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/AAAA/IN': 2001:500:1::803f:235#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/A/IN': 2001:7fd::1#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/AAAA/IN': 2001:7fd::1#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/A/IN': 2001:500:1::803f:235#53
Dec 18 02:36:55 instructor named[1903]: error (network unreachable) resolving '3.rhel.pool.ntp.org/AAAA/IN': 192.5.5.241#53
Dec 18 02:41:11 instructor dhcpd: Internet Systems Consortium DHCP Server 4.1.1-P1
Dec 18 02:41:11 instructor dhcpd: Copyright 2004-2010 Internet Systems Consortium.
Dec 18 02:41:11 instructor dhcpd: All rights reserved.

唐老师这个是什么错误