file/etc/hosts for a stand-alone database
Dear Experts,I'm installingOracle 10g R2 on RHEL-5 EE on a VMWare environment for learning purposes. I have configured my file "/ etc/hosts" as:
[oracle@dbhost oui]$ cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain dbhost.mydom.com localhost dbhost
192.168.1.101 dbhost.mydom.com dbhost
192.168.1.100 dbhost2pc.mydom.com dbhost2
[oracle@dbhost oui]$
and the output of "ifconfig" is:[root@dbhost ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:22:AE:4A
inet addr:192.168.1.101 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20c:29ff:fe22:ae4a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:354 errors:0 dropped:0 overruns:0 frame:0
TX packets:9 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:47459 (46.3 KiB) TX bytes:546 (546.0 b)
Interrupt:10 Base address:0x2024
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:2392 errors:0 dropped:0 overruns:0 frame:0
TX packets:2392 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:3039139 (2.8 MiB) TX bytes:3039139 (2.8 MiB)
[root@dbhost ~]#
What's my configuration "/ etc/hosts" correct?Is it mandatory to have the first line with "127.0.0.1..."?
Thank you for taking the time to answer a very basic question.
Good bye
Prem Kumar says:
Dear Experts,I'm installingOracle 10g R2 on RHEL-5 EE on a VMWare environment for learning purposes. I have configured my file "/ etc/hosts" as:
[oracle@dbhost oui]$ cat /etc/hosts # Do not remove the following line, or various programs # that require network functionality will fail. 127.0.0.1 localhost.localdomain dbhost.mydom.com localhost dbhost 192.168.1.101 dbhost.mydom.com dbhost 192.168.1.100 dbhost2pc.mydom.com dbhost2 [oracle@dbhost oui]$
and the output of "ifconfig" is:
[root@dbhost ~]# ifconfig eth0 Link encap:Ethernet HWaddr 00:0C:29:22:AE:4A inet addr:192.168.1.101 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::20c:29ff:fe22:ae4a/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:354 errors:0 dropped:0 overruns:0 frame:0 TX packets:9 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:47459 (46.3 KiB) TX bytes:546 (546.0 b) Interrupt:10 Base address:0x2024 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:2392 errors:0 dropped:0 overruns:0 frame:0 TX packets:2392 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:3039139 (2.8 MiB) TX bytes:3039139 (2.8 MiB) [root@dbhost ~]#
What's my configuration "/ etc/hosts" correct?
That's if you want all references of this machine 'dbhost' or 'dbhost.mydom.com' to resolve to address IP 192.168.1.101 and all references of this machine to 'dbhost2' or 'dbhost2pc.mydom.com' to resolve the IP 192.168.1.100.
Is it mandatory to have the first line with "127.0.0.1..."?
No, it can be anywhere in the hosts file. Strictly speaking, it is not yet mandatory to have at all, but as the poster said, if you delete it, some features may be lost.
All net communications should go down to an IP address. The hosts file is nothing else that a mechanism to map a name to IP address. This allows you to return a destination by name, and really, this name can be anything you want. Resolving to 127.0.0.1 ' localhost' is a universal standard which depend on some process.
>
Thank you for taking the time to answer a very basic question.
Good bye
Tags: Database
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Under the Options deprecated for Oracle RAC 11 g Release 2:
"Installation of files on raw devices is no longer an option available during installation. You must use a shared file system, or using Oracle Automatic Storage Management. »
Here's how to configure RAC on my laptop with Virtual Box: http://www.peasland.net/2015/04/23/oracle-rac-on-my-laptop-with-virtual-box/
HTH,
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Hello people
I installed 11.2.0.1 on oracle linux version 5 update 7 and works great
I opened a session in the real system where I installed and checked that sqlplus "virtue sysdba" works and I can connect to the database
my company has all its computers connected by a lan cable which provides both the sharing of files and internet connection...
So what is dhcp means?
because I think that Yes, so here's what looks like my file/etc/hosts
127.0.0.1 unknown485b39d0b515.local.lan unknown485b39d0b515
127.0.0.1 localhost.localdomain localhost
Yes, it has only two lines (my bad, I did some adjustments)
My ifconfig output looks like this
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INET addr:192.168.1.3 Bcast:192.168.1.255 mask: 255.255.255.0
RUNNING BROADCAST MULTICAST MTU:1500 metric: 1
Fall of RX packets: 21980 errors: 0:0 overruns: 0 frame: 0
Dropped packets: 14479 TX errors: 0:0 overruns: 0 carrier: 0
collisions: 0 txqueuelen:1000
RX bytes: 17251832 (16.4 MiB) TX bytes: 1814446 (1.7 MiB)
Basis of interruption: 27 address: 0x8000
Lo encap:Local Loopback link
INET addr:127.0.0.1 mask: 255.0.0.0
RACE of LOOPING 16436 Metric: 1
Fall of RX packets: 4439 errors: 0:0 overruns: 0 frame: 0
Dropped packets: 4439 TX errors: 0:0 overruns: 0 carrier: 0
collisions: 0 txqueuelen:0
RX bytes: 2788171 (2.6 MiB) TX bytes: 2788171 (2.6 MiB)
virbr0 Link encap HWaddr 2E:12:83:50:CA:6 has
INET addr:192.168.122.1 Bcast:192.168.122.255 mask: 255.255.255.0
RUNNING BROADCAST MULTICAST MTU:1500 metric: 1
Fall of RX packets: 0 errors: 0:0 overruns: 0 frame: 0
Dropped packets TX: 23 errors: 0:0 overruns: 0 carrier: 0
collisions: 0 txqueuelen:0
RX bytes: 0 (0.0 b) TX bytes: 4190 (4,0 KiB)
:
:
and the error I have right now is the following
[oracle@unknown485b39d0b515 ~] $ sqlplus "virtue sysdba".
SQL * more: Production release 11.2.0.1.0 Wed Aug 8 12:03:27 2012
Copyright (c) 1982, 2009, Oracle. All rights reserved.
ERROR:
ORA-12547: TNS: lost contact
Tell me if I need to explain anything
Thanks in advance946207 wrote:
Hello people
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So what is dhcp means?Not even close. Did you google 'dhcp '?
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You want your servers to have a fixed IP address.
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Must VIPs be in the file/etc/hosts?
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Must VIPs be in the file/etc/hosts?
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(1) once the connection in the operating system (Linux) as a user, like st01, host geust OS start automaticlly.
(2) after the BONE, disconnection of the user of the operating system host automaticlly invited shutdown.
In this case, students could make close examination on the guest OS without any knowledge on the host operating system and also unable to read something on the host operating system.
Thank you in advance.
Hello
Welcome to VMare forums!
Yes, you can do it.
The trick is to use a window manager alternative such as icewm to which you connect and have a session that begins vmplayer or you.
So instead of connecting to gnome or kde, you log in vmware player (which is the only application that you start at this session.
Create a new user. Example: vmplayer
Next, create a file in this /home/vmplayer/.xsession home directory
nano /home/vmplayer/.xsession
Add this information in the file.
#!/usr/bin/env bash /usr/bin/icewm & sleep 3 exec /usr/bin/vmplayer -X /home/vmplayer/VirtualMachine/vm.vmx
Now make it executable
chmod + x .xsession
Make sure that it is owned by vmplayer
chown vmplayer.vmplayer /home/vmplayer/.xsession
This has been discussed in the Format of Linux magazine.
--
Wil
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