oracle linux配置监听时报错端口占用

oracle linux配置监听时报错端口占用,第1张

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

[plain] view plain copy 在CODE上查看代码片派生到我的代码片

Active Internet connections (servers and established)

Proto Recv-Q Send-Q Local Address Foreign Address State

tcp 0 0 localhostlocaldomain:2208 : LISTEN

tcp 0 0 :sunrpc : LISTEN

tcp 0 0 :pftp : LISTEN

tcp 0 0 localhostlocaldomain:ipp : LISTEN

tcp 0 0 localhostlocaldomain:smtp : LISTEN

tcp 0 0 localhostlocaldomain:2207 : LISTEN

tcp 0 0 :ssh : LISTEN

getnameinfo failed

getnameinfo failed

tcp 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 Path

unix 2 [ ACC ] STREAM LISTENING 4226 @ISCSIADM_ABSTRACT_NAMESPACE

unix 2 [ ACC ] STREAM LISTENING 4938 /var/run/dbus/system_bus_socket

unix 2 [ ACC ] STREAM LISTENING 7578 @/tmp/fam-root-

unix 2 [ ACC ] STREAM LISTENING 5021 /var/run/sdp

unix 2 [ ACC ] STREAM LISTENING 5102 /var/run/pcscdcomm

unix 2 [ ACC ] STREAM LISTENING 5127 /var/run/acpidsocket

unix 2 [ ACC ] STREAM LISTENING 6197 /var/run/cups/cupssock

unix 2 [ ACC ] STREAM LISTENING 6633 /var/run/avahi-daemon/socket

unix 2 [ ACC ] STREAM LISTENING 6473 /dev/gpmctl

unix 2 [ ACC ] STREAM LISTENING 4212 @ISCSID_UIP_ABSTRACT_NAMESPACE

unix 2 [ ] DGRAM 1102 @/org/kernel/udev/udevd

unix 2 [ ACC ] STREAM LISTENING 6509 /tmp/font-unix/fs7100

unix 2 [ ACC ] STREAM LISTENING 7135 /tmp/gdm_socket

unix 2 [ ACC ] STREAM LISTENING 7165 /tmp/X11-unix/X0

unix 2 [ ] DGRAM 5161 @/org/freedesktop/hal/udev_event

unix 17 [ ] DGRAM 4527 /dev/log

unix 2 [ ACC ] STREAM LISTENING 5152 @/var/run/hald/dbus-R5ibTGYpjn

unix 2 [ ACC ] STREAM LISTENING 5153 @/var/run/hald/dbus-1m4p21ErfG

unix 2 [ ACC ] STREAM LISTENING 4482 /var/run/audispd_events

unix 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_socket

unix 3 [ ] STREAM CONNECTED 7570

unix 3 [ ] STREAM CONNECTED 7448 /tmp/X11-unix/X0

unix 3 [ ] STREAM CONNECTED 7447

unix 3 [ ] STREAM CONNECTED 7364 /tmp/X11-unix/X0

unix 3 [ ] STREAM CONNECTED 7363

unix 3 [ ] STREAM CONNECTED 7261 /tmp/font-unix/fs7100

unix 3 [ ] STREAM CONNECTED 7260

unix 3 [ ] STREAM CONNECTED 7217 /var/run/pcscdcomm

unix 3 [ ] STREAM CONNECTED 7216

unix 3 [ ] STREAM CONNECTED 7264 /tmp/X11-unix/X0

unix 3 [ ] STREAM CONNECTED 7190

unix 3 [ ] STREAM CONNECTED 7177 /var/run/acpidsocket

unix 3 [ ] STREAM CONNECTED 7176

unix 2 [ ] DGRAM 7163

unix 3 [ ] STREAM CONNECTED 6636 /var/run/dbus/system_bus_socket

unix 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_socket

unix 3 [ ] STREAM CONNECTED 5929

unix 3 [ ] STREAM CONNECTED 5903 @/var/run/hald/dbus-R5ibTGYpjn

unix 3 [ ] STREAM CONNECTED 5902

unix 3 [ ] STREAM CONNECTED 5896 @/var/run/hald/dbus-R5ibTGYpjn

unix 3 [ ] STREAM CONNECTED 5893

unix 3 [ ] STREAM CONNECTED 5738 @/var/run/hald/dbus-R5ibTGYpjn

unix 3 [ ] STREAM CONNECTED 5737

unix 3 [ ] STREAM CONNECTED 5714 /var/run/acpidsocket

unix 3 [ ] STREAM CONNECTED 5713

unix 3 [ ] STREAM CONNECTED 5708 @/var/run/hald/dbus-R5ibTGYpjn

unix 3 [ ] STREAM CONNECTED 5707

unix 3 [ ] STREAM CONNECTED 5156 @/var/run/hald/dbus-1m4p21ErfG

unix 3 [ ] STREAM CONNECTED 5155

unix 2 [ ] DGRAM 5101

unix 3 [ ] STREAM CONNECTED 5016 /var/run/dbus/system_bus_socket

unix 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

127001 hyldb localhostlocaldomain localhost

::1 localhost6localdomain6 localhost6

19216856101 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

127001 localhostlocaldomain localhost

::1 localhost6localdomain6 localhost6

19216856101 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

[plain] view plain copy 在CODE上查看代码片派生到我的代码片

补充:关闭ipv6方法

1) # vim /etc/modprobeconf

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=no

IPV6INIT=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。

一般分为以下几个步骤:

1、建立系统账户:oracle,用户组:oinstall,dba;

2、安装依赖包;

3、修改系统内核参数文件:sysctlconf;

4、修改用户资源限制文件:limitsconf;

5、创建安装目录(CentOS下测试发现不需要)、配置系统变量(可以安装完成后配置);

6、安装Oracle软件;

首先确认一点,你实体机和虚拟机链接方式和IP配置方式。

实体机和虚拟机胡同是必须的,还有一点虚拟机建议采用是固定IP,如果是自动获取IP可能会有问题!

确认后 在安装Oracle。另外,Linux中安装Oracle需要准备的东西很多,不知道你配置的是否有问题。

*** 作方法如下:

1将secureCRT连接到数据库所在的linux机器,然后切换到oracle用户模式下;

2接下来用sqlplus登录到数据库,然后再关闭数据库;

3然后起动监听;

4最后客户端连接。

工具和原料:linux安装,oracle数据库,SecureCRT,任意ssh连接工具都可以。

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