How to save etc/hosts

Hi all,
Please help sorting my terminal, I'm having problem with my iTune everytime I want to update or restore my ipad or iphone, it keep saying "this device isn't eligible for the requested build"
Now I tried to edit the etc/hosts using the Terminal, but suddenly all the script
# Host Database
# localhost is used to configure the loopback interface
# when the system is booting. Do not change this entry.
127.0.0.1          localhost
255.255.255.255          broadcasthost
::1             localhost
fe80::1%lo0          localhost
#74.208.10.249 gs.apple.com
#127.0.0.1 gs.apple.com
are all gone i think i accidentally deleted it. so what I did was I copy this from forum and paste it to terminal.
But i'm having problem how to save it, when I press ^O it goes like this:
# Host Database
# localhost is used to configure the loopback interface
# when the system is booting. Do not change this entry.
127.0.0.1          localhost
255.255.255.255          broadcasthost
::1             localhost
fe80::1%lo0          localhost
#74.208.10.249 gs.apple.com
#127.0.0.1 gs.apple.com
File Name to Write: etc/hosts
^G Get Help         ^T To Files         M-M Mac Format      M-P Prepend
^C Cancel           M-D DOS Format      M-A Append          M-B Backup File
and I dont know how to save it. when I press ^X doesn't save at all.
Please Help me.
Thank you in advance.

Well lets make things easier, get out of Terminal by just Quiting it or Force Quit.
Download the free TextWrangler here
http://www.barebones.com/products/textwrangler/download.html
Now under the File Menu >Open File by Name
/etc/hosts
It should look like this, if not then just copy and paste it in.
# Host Database
# localhost is used to configure the loopback interface
# when the system is booting. Do not change this entry.
127.0.0.1       localhost
255.255.255.255 broadcasthost
::1             localhost
fe80::1%lo0     localhost
Now save it and give it your admin password and that's it. Easy as pie.
Terminal's pico and vi editing programs have a lot to be desired, but serve the basic puposes.
With Terminal you need to enter
sudo pico /etc/hosts
then enter your admin password to access a system file.
It can only be done via a Admin account, however with TextWrangler not only is it much easier, you can also access system files from a Standard user account.
the two lines
#74.208.10.249 gs.apple.com
#127.0.0.1 gs.apple.com
You have there are "commented out" with the "#" symbol, basically your telling the computer to "ignore this line"
Why you think messing with your /etc/hosts file is going to solve your primary issue with iTunes/iPad/iPhone is beyond me.
Did you ever think that perhaps your two devices are too old for the "requested build"?

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/etc/hosts, /etc/hostname.bgeN configuration

I am writing this to get help.
I have a Solaris 10 box.
bash-3.00$ uname -a
SunOS soft19 5.10 Generic_125100-10 sun4u sparc SUNW,Netra-240
I have the following stuff on this box,
bash-3.00$ cat /etc/hosts
# Internet host table
127.0.0.1 localhost
10.9.48.244 soft19-bge1 Secondary
10.9.16.121 soft19 loghost
#10.9.48.244 soft19 Secondary
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soft19
bash-3.00$ cat /etc/hostname.bge1
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bash-3.00$ ifconfig -a
lo0: flags=2001000849 mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
bge0: flags=1000843 mtu 1500 index 2
inet 10.9.16.121 netmask ffffff00 broadcast X.X.X.255
bge1: flags=1000843 mtu 1500 index 3
inet 10.9.48.244 netmask ffffff00 broadcast X.X.X.255
In our code base, we have the following,
struct hostent *hp;
hp = ACE_OS::gethostbyname(myhostname); // myhostname is soft19
hp->h_addr_list[0] will give 10.9.16.121
Everything is correct here!!
Now I change the configuration a bit,
bash-3.00$ cat /etc/hosts
# Internet host table
127.0.0.1 localhost
#10.9.48.244 soft19-bge1 Secondary
10.9.16.121 soft19 loghost
10.9.48.244 soft19 Secondary
and now
hp->h_addr_list[0] will give 10.9.16.121
hp->h_addr_list[1] will give 10.9.48.244
but when I reboot the system, I get the following,
bash-3.00$ ifconfig -a
lo0: flags=2001000849 mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
bge0: flags=1000843 mtu 1500 index 2
inet 10.9.16.121 netmask ffffff00 broadcast X.X.X.255
bge1: flags=1000843 mtu 1500 index 3
inet 0.0.0.0 netmask ffffff00 broadcast X.X.X.255
And I know this is because
bash-3.00$ cat /etc/hostname.bge1
soft19-bge1
Now I change /etc/hostname.bge1 to have just soft19
and I reboot the system and what I see is this
bash-3.00$ ifconfig -a
lo0: flags=2001000849 mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
bge0: flags=1000843 mtu 1500 index 2
inet 10.9.16.121 netmask ffffff00 broadcast X.X.X.255
bge1: flags=1000843 mtu 1500 index 3
inet 10.9.16.121 netmask ffffff00 broadcast X.X.X.255
Which is correct again!
Now my question is
With this
struct hostent *hp;
hp = ACE_OS::gethostbyname(myhostname); // myhostname is soft19
I want to have the following,
hp->h_addr_list[0] will give 10.9.16.121
hp->h_addr_list[1] will give 10.9.48.244
How can I get this even if the system reboots?

Hi, Thanks, but I know this. And was expecting the same.
But my question still remains unanswered..
How to tweak /etc/hosts and /etc/hostname.bgeN files for....
With this code
struct hostent *hp;
hp = ACE_OS::gethostbyname(myhostname); // myhostname is soft19
I want to have the following,
hp->h_addr_list[0] will give 10.9.16.121
hp->h_addr_list[1] will give 10.9.48.244
One more thing, I want to get this all the time, even my system reboots.
I know a method to get below [by modifying /etc/hosts file]
hp->h_addr_list[0] will give 10.9.16.121
hp->h_addr_list[1] will give 10.9.48.244
but this will not work when the system reboots? I am looking for a permanent solution.
Thanks,
Atul

Sudo nano etc/hosts can't save

Hi all,
Please help sorting my terminal, I'm having problem with my iTune evrytime I want to update or restore my ipad or iphone, it keep saying "this device isn't eligible for the requested build"
Now I tried to edit the etc/hosts using the Terminal, but suddenly all the script
# Host Database
# localhost is used to configure the loopback interface
# when the system is booting. Do not change this entry.
127.0.0.1          localhost
255.255.255.255          broadcasthost
::1             localhost
fe80::1%lo0          localhost
#74.208.10.249 gs.apple.com
#127.0.0.1 gs.apple.com
are all gone i think i accidentally deleted it. so what i did was copy this from forum and paste it to terminal.
But i'm having problem to save it when I press ^O it goes like this:
# Host Database
# localhost is used to configure the loopback interface
# when the system is booting. Do not change this entry.
127.0.0.1          localhost
255.255.255.255          broadcasthost
::1             localhost
fe80::1%lo0          localhost
#74.208.10.249 gs.apple.com
#127.0.0.1 gs.apple.com
File Name to Write: etc/hosts
^G Get Help         ^T To Files         M-M Mac Format      M-P Prepend
^C Cancel           M-D DOS Format      M-A Append          M-B Backup File
and I dont know how to save it. when I press ^X doesn't save at all.
Please Help me.
Thank you in advance.

Thanks.
What's this "sudo dscacheutil -flushcache"???
Why show this "when the system is booting. Do not change this entry."????
Can i add what i want between 127.0.0.1 localhost and 255.255.255.255 broadcasthost?
Why is saying i can't change the file, why can i unprotect? Explain me.
Thanks in advance
Message was edited by: NunoPortugal

How could a java process bypass etc\hosts file while doing dns lookup ?

Hi,
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In some situation and for some hosts, I would like to turn it into a transparent web proxy.
Suppose, user's browser and java proxy are running on same host (typically on localhost). An entry is added in etc\hosts file, for example:
127.0.0.1 google.com
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Now my proxy has to get the actual ip address of google.com bypassing the etc\hosts file (right now the proxy is doing a loop on itself).
Any idea how this could be achieved ?
Am I searching in wrong direction ?
thanks !

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Trying to figure out how this got into my /etc/hosts file!

Hello,
I recently upgraded to 4.3.3 and since then I've had problems with "No Service" where my AT&T service indicator usually sits.
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# Below is to bypass Apple iPhone software
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74.208.105.171 gs.apple.com
I have no idea how this got there! And I am concerned. Anyone have any ideas? Perhaps from some Mac app I downloaded?
Thanks.

1. Click your Finder icon from your dock.
2. Choose "Go" from your top menu and choose "Go To Folder"
3. Type "/etc/" and then click "go"
4. Delete the "hosts" file and reboot the system.
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EE

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Name
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thanks

Since you're using a Macintosh, quit reviewing linux stuff. These, when entered in the Terminal app (inside /Applications/Utilities/) should point you in the right direction:
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details in:
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I have this message on Terminal. nano/private/etc/hosts: command not found. How can I fix it to get right?

/etc/hosts ; exit;
/etc/hosts: line 7: 127.0.0.1: command not found
/etc/hosts: line 8: 255.255.255.255: command not found
/etc/hosts: line 9: ::1: command not found
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sudo pico /etc/hosts
You will be asked to authenticate with your admin password which will not be echoed.
When the editor opens the files simply enter the sites you wish to block using the format you posted: 127.0.0.1 block.site.com.
Enter each desired site on a separate line. When finished press CTRL-X. You will be prompted to save changes. Respond "y". You will be prompted again to save the filename, respond "y". Pico will quit. You can verify your changes by entering:
cat /etc/hosts
This will list the contents of the hosts file.
Note that underlying OS X is a Unix operating system, so most anything you know how to do in Linix is done the same way in OS X, except that access must be through the Terminal application.

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Hi guys,
I have added routing entries through route add command. I know i can add routing entries permanently thru -p option in route add command but didin't use that option. How to save those routing entries now?
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root_sol10u3# cat /etc/inet/static_routes
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<!DOCTYPE service_bundle SYSTEM "/usr/share/lib/xml/dtd/service_bundle.dtd.1">

<service_bundle type='manifest' name='RKstatic-routes'>
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#!/bin/sh
# RKstatic-routes
# To be called by the network/RKstatic-route SMF service
ACTION=${ACTION:-add}
setup_routes () {
#Route to networks.
/usr/sbin/route $ACTION net 172.1.0.0 -netmask 255.255.0.0 10.1.0.0
/usr/sbin/route $ACTION net 172.2.0.0 -netmask 255.255.0.0 10.2.0.0
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root_sol10u2# svcadm disable network/RKstatic-routes
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root_sol9# cat /etc/init.d/staticRoutes.sh
#!/bin/sh
case "$1" in
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                test -f /etc/routes.conf || exit 0
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                test -f /etc/routes.conf || exit 0
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                do
                        /usr/sbin/route delete $type $route $gateway
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esac
root_sol9# cat /etc/routes.conf
172.1.2.0/24 172.1.2.4
172.1.3.0/24 172.1.3.4
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root_sol9#Best Regards,
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SCAN LISTENER runs from only one node at a time from /etc/hosts !

Dear all ,
Recently I have to configure RAC in oracle 11g(r2) in AIX 6.1 . Since in this moment it is not possible to configure DNS, so I dont use SCAN ip into the DNS/GNS, I just add the SCAN ip into the host file like :
cat /etc/hosts
SCAN 172.17.0.22
Got the info from : http://www.freeoraclehelp.com/2011/12/scan-setup-for-oracle-11g-release211gr2.html#ORACLE11GR2RACINS
After configuring all the steps of RAC , Every services are ok except SCAN_LISTENER . This listener is up only one node at a time . First time when I chek it from node1 , it shows :
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SCAN listener LISTENER_SCAN1 is running on node dcdbsvr1
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srvctl relocate scan -i 2 -n DCDBSVR2
resource ora.scan2.vip does not exists
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Here is my listener file (which is in the GRID home location) configuration :
Listener File OF NODE1 AND NODE 2:
==================================
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN1=ON
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER=ON
LISTENER_SCAN1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC) (KEY = LISTENER_SCAN1)
ADR_BASE_LISTENER_SCAN1 = /U01/APP/ORACLE
2)
Another issue , when I give the command : " ifconfig -a " , then it shows the SCAN ip either node1 or node2 . suppose if the SCAN ip is in the node1 , and then if I run the "relocate" command from node2 , the ip goes to the Node 2 . is it a correct situation ? advice plz ... ...
thx in advance .. ...
Edited by: shipon_97 on Jan 10, 2012 7:22 AM
Edited by: shipon_97 on Jan 10, 2012 7:31 AM

After configuring all the steps of RAC , Every services are ok except SCAN_LISTENER . This listener is up only one node at a time . First time when I chek it from node1 , it shows :If I am not wrong and after looking at the document you sent, you will be able to use only once scan in case you use /etc/host file and this will be up on only one node where you added this scan entry in /etc/hosts file.
Now my question , How can I run the SCAN and SCAN_LISTENER both of the NODES ?Probably you can't in your case, you might run only one i think and on one node only
srvctl status scan_listener
SCAN listener LISTENER_SCAN1 is enabled
SCAN listener LISTENER_SCAN1 is running on node dcdbsvr1
now when I relocate it from node 2 using
"srvctl relocate scan -i 1 -n DCDBSVR2" , then the output shows :
srvctl status scan_listener
SCAN listener LISTENER_SCAN1 is enabled
SCAN listener LISTENER_SCAN1 is running on node dcdbsvr2You moved scan listener from node 1 to node 2, OK
Baring these , we have to try to relocate it from the node2 by the following way, then it shows the error :
srvctl relocate scan -i 2 -n DCDBSVR2
resource ora.scan2.vip does not exists
--------------------------------------------------------------------------------Since you have only one scan, you can't relocate "2". So ise "1" instead here also
FYI
http://www.oracle.com/technetwork/database/clustering/overview/scan-129069.pdf
Salman

HOW TO have many HOST files directed to ONE host file?

Hello:
I was wondering if it is possible to do the following:
If we have in our HOST file many elements, lets say: my host name, TOR configuration, block pages, etc, and I would like to create several files to fragment this information on those files and, in some way, creating a HOST file that gather all this other files? Let's see:
HOST
|
| | |
HOST TOR HOST PAGES HOST X
|
| |
PAGES A PAGES B
With:
HOST: the actual host file, en /etc/
HOST TOR: the host config for TOR.
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Is this possible?
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Last edited by gromlok (2010-11-05 23:04:05)

Thank you very much. I tried and it worked!
But I'm doing the backups of the old HOST files, trying to add the date and time, but I can't, could you help me please?
#Move old HOSTs to the backups folder
mv /etc/host ~/myhost/backups/
#Rename it with the actual date and time
dateTime = $(date +"%m-%d-%y | %T")
how to paste it the the host file??? I tried with mv, rename, and I can't
I would like something of the form:
host | m-d-y | T
Ex:
host | 12-12-10 | 19:55:03
host | 12-13-10 | 23:05:56
Any suggestion?
Thank you.
Last edited by gromlok (2010-11-06 01:29:20)

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