配置监听_1521端口占用问题

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声明:原创作品,出自 “深蓝的blog” 博客,欢迎转载,转载时请务必注明出处,否则追究版权法律责任。

深蓝的blog:http://blog.csdn.net/huangyanlong/article/details/43935361

前提回现

修改了主机名,由hyldb修改为hyl。

问题现象

配置监听,警告提示,如下所示:

解决方法

1、检查1521端口

[root@hyl ~]# netstat -a

--查看端口占用情况,查明1521端口并未被占用

Active Internet connections (servers and established)Proto Recv-Q Send-Q Local Address               Foreign Address             State      tcp        0      0 localhost.localdomain:2208  *:*                         LISTEN      tcp        0      0 *:sunrpc                    *:*                         LISTEN      tcp        0      0 *:pftp                      *:*                         LISTEN      tcp        0      0 localhost.localdomain:ipp   *:*                         LISTEN      tcp        0      0 localhost.localdomain:smtp  *:*                         LISTEN      tcp        0      0 localhost.localdomain:2207  *:*                         LISTEN      tcp        0      0 *:ssh                       *:*                         LISTEN      getnameinfo failedgetnameinfo failedtcp        0    132 [UNKNOWN]:ssh               [UNKNOWN]:51492             ESTABLISHED udp        0      0 *:spmp                      *:*                                     udp        0      0 *:659                       *:*                                     udp        0      0 *:37437                     *:*                                     udp        0      0 *:mdns                      *:*                                     udp        0      0 *:sunrpc                    *:*                                     udp        0      0 *:ipp                       *:*                                     udp        0      0 *:mdns                      *:*                                     udp        0      0 *:32372                     *:*                                     Active UNIX domain sockets (servers and established)Proto RefCnt Flags       Type       State         I-Node Pathunix  2      [ ACC ]     STREAM     LISTENING     4226   @ISCSIADM_ABSTRACT_NAMESPACEunix  2      [ ACC ]     STREAM     LISTENING     4938   /var/run/dbus/system_bus_socketunix  2      [ ACC ]     STREAM     LISTENING     7578   @/tmp/fam-root-unix  2      [ ACC ]     STREAM     LISTENING     5021   /var/run/sdpunix  2      [ ACC ]     STREAM     LISTENING     5102   /var/run/pcscd.communix  2      [ ACC ]     STREAM     LISTENING     5127   /var/run/acpid.socketunix  2      [ ACC ]     STREAM     LISTENING     6197   /var/run/cups/cups.sockunix  2      [ ACC ]     STREAM     LISTENING     6633   /var/run/avahi-daemon/socketunix  2      [ ACC ]     STREAM     LISTENING     6473   /dev/gpmctlunix  2      [ ACC ]     STREAM     LISTENING     4212   @ISCSID_UIP_ABSTRACT_NAMESPACEunix  2      [ ]         DGRAM                    1102   @/org/kernel/udev/udevdunix  2      [ ACC ]     STREAM     LISTENING     6509   /tmp/.font-unix/fs7100unix  2      [ ACC ]     STREAM     LISTENING     7135   /tmp/.gdm_socketunix  2      [ ACC ]     STREAM     LISTENING     7165   /tmp/.X11-unix/X0unix  2      [ ]         DGRAM                    5161   @/org/freedesktop/hal/udev_eventunix  17     [ ]         DGRAM                    4527   /dev/logunix  2      [ ACC ]     STREAM     LISTENING     5152   @/var/run/hald/dbus-R5ibTGYpjnunix  2      [ ACC ]     STREAM     LISTENING     5153   @/var/run/hald/dbus-1m4p21ErfGunix  2      [ ACC ]     STREAM     LISTENING     4482   /var/run/audispd_eventsunix  2      [ ]         DGRAM                    7618   unix  3      [ ]         STREAM     CONNECTED     7581   @/tmp/fam-root-unix  3      [ ]         STREAM     CONNECTED     7580   unix  3      [ ]         STREAM     CONNECTED     7571   /var/run/dbus/system_bus_socketunix  3      [ ]         STREAM     CONNECTED     7570   unix  3      [ ]         STREAM     CONNECTED     7448   /tmp/.X11-unix/X0unix  3      [ ]         STREAM     CONNECTED     7447   unix  3      [ ]         STREAM     CONNECTED     7364   /tmp/.X11-unix/X0unix  3      [ ]         STREAM     CONNECTED     7363   unix  3      [ ]         STREAM     CONNECTED     7261   /tmp/.font-unix/fs7100unix  3      [ ]         STREAM     CONNECTED     7260   unix  3      [ ]         STREAM     CONNECTED     7217   /var/run/pcscd.communix  3      [ ]         STREAM     CONNECTED     7216   unix  3      [ ]         STREAM     CONNECTED     7264   /tmp/.X11-unix/X0unix  3      [ ]         STREAM     CONNECTED     7190   unix  3      [ ]         STREAM     CONNECTED     7177   /var/run/acpid.socketunix  3      [ ]         STREAM     CONNECTED     7176   unix  2      [ ]         DGRAM                    7163   unix  3      [ ]         STREAM     CONNECTED     6636   /var/run/dbus/system_bus_socketunix  3      [ ]         STREAM     CONNECTED     6635   unix  3      [ ]         STREAM     CONNECTED     6630   unix  3      [ ]         STREAM     CONNECTED     6629   unix  2      [ ]         DGRAM                    6627   unix  2      [ ]         DGRAM                    6467   unix  2      [ ]         DGRAM                    6426   unix  2      [ ]         DGRAM                    6379   unix  2      [ ]         DGRAM                    6324   unix  2      [ ]         DGRAM                    6109   unix  2      [ ]         DGRAM                    6068   unix  2      [ ]         DGRAM                    5958   unix  3      [ ]         STREAM     CONNECTED     5930   /var/run/dbus/system_bus_socketunix  3      [ ]         STREAM     CONNECTED     5929   unix  3      [ ]         STREAM     CONNECTED     5903   @/var/run/hald/dbus-R5ibTGYpjnunix  3      [ ]         STREAM     CONNECTED     5902   unix  3      [ ]         STREAM     CONNECTED     5896   @/var/run/hald/dbus-R5ibTGYpjnunix  3      [ ]         STREAM     CONNECTED     5893   unix  3      [ ]         STREAM     CONNECTED     5738   @/var/run/hald/dbus-R5ibTGYpjnunix  3      [ ]         STREAM     CONNECTED     5737   unix  3      [ ]         STREAM     CONNECTED     5714   /var/run/acpid.socketunix  3      [ ]         STREAM     CONNECTED     5713   unix  3      [ ]         STREAM     CONNECTED     5708   @/var/run/hald/dbus-R5ibTGYpjnunix  3      [ ]         STREAM     CONNECTED     5707   unix  3      [ ]         STREAM     CONNECTED     5156   @/var/run/hald/dbus-1m4p21ErfGunix  3      [ ]         STREAM     CONNECTED     5155   unix  2      [ ]         DGRAM                    5101   unix  3      [ ]         STREAM     CONNECTED     5016   /var/run/dbus/system_bus_socketunix  3      [ ]         STREAM     CONNECTED     5015   unix  2      [ ]         DGRAM                    4987   unix  2      [ ]         DGRAM                    4977   unix  3      [ ]         STREAM     CONNECTED     4942   unix  3      [ ]         STREAM     CONNECTED     4941   unix  3      [ ]         STREAM     CONNECTED     4900   unix  3      [ ]         STREAM     CONNECTED     4899   unix  2      [ ]         DGRAM                    4798   unix  2      [ ]         DGRAM                    4543   unix  3      [ ]         STREAM     CONNECTED     4473   unix  3      [ ]         STREAM     CONNECTED     4472   <span style="font-size:14px;"> </span>

2、检查hosts

[root@hyl ~]# vi /etc/hosts

修改前:

# Do not remove the following line, or various programs

# that require network functionality will fail.

127.0.0.1       hyldb localhost.localdomain localhost

::1             localhost6.localdomain6 localhost6

192.168.56.101  hyl

~

~

~

--由于修改了主机名(hyldb修改为hyl),将之前配置中hyldb内容删除

修改为:

# Do not remove the following line, or various programs

# that require network functionality will fail.

127.0.0.1       localhost.localdomain localhost

::1             localhost6.localdomain6 localhost6

192.168.56.101  hyl

~

~

~

~

 

3、检查network

# vi /etc/sysconfig/network

--确认添加了如下信息

NETWORKING=yes

HOSTNAME=hyl

 

4、检查ipv6是否关闭

 

查看ipv6状态,查看其是否被关闭

[root@hyl ~]# lsmod |grep ipv6

ipv6                  435105  17 cnic

xfrm_nalgo             43333  1 ipv6

 

补充:关闭ipv6方法1) # vim /etc/modprobe.conf在其中加入下面这一行,install ipv6 /bin/true保存并退出。2)# vim /etc/sysconfig/network在其中加入下面配置项:NETWORKING_IPV6=noIPV6INIT=no


 

重启后查询:

[root@hyl ~]# lsmod |grep ipv6

--没有显示ipv6相关信息,表示ipv6已经关闭

 

5、重启系统后,查看hostname

[root@hyl ~]# hostname

--查询主机名

hyl

 

6、再次执行netca

配置监听、dbca建库成功。

 

声明:原创作品,出自 “深蓝的blog” 博客,欢迎转载,转载时请务必注明出处,否则追究版权法律责任。

深蓝的blog:http://blog.csdn.net/huangyanlong/article/details/43935361

 

系列链接_20150523:

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蓝的成长记——追逐DBA(13):协调硬件厂商,六个故事:所见所感的“服务器、存储、交换机......”

蓝的成长记——追逐DBA(14):难忘的“云”端,起步的hadoop部署 

蓝的成长记——追逐DBA(15):以为FTP很“简单”,谁成想一波三折

蓝的成长记——追逐DBA(16):DBA也喝酒,被捭阖了

 

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