I want to move my home server over to a new machine, both running CentOS. (The present server is running CentOS-5.7, the new one 6.0.) I'm thinking of moving things over one at a time, starting with email. I'm running IMAP on the server, with my email in ~/Maildir/ . I'm wondering what exactly I need to copy to the new machine?
Any help or suggestions gratefully received.
On 11/30/2011 06:36 AM Timothy Murphy wrote:
I want to move my home server over to a new machine, both running CentOS. (The present server is running CentOS-5.7, the new one 6.0.) I'm thinking of moving things over one at a time, starting with email. I'm running IMAP on the server, with my email in ~/Maildir/ . I'm wondering what exactly I need to copy to the new machine?
Any help or suggestions gratefully received.
If it were me, I'd copy the entire old machine (running 5.7) over to the new machine so that after the copy it was also running 5.7, then upgrade the new machine to 6.0. ...unless you like making things more complicated than they need to be.
On 11/30/2011 06:18 AM, ken wrote:
On 11/30/2011 06:36 AM Timothy Murphy wrote:
I want to move my home server over to a new machine, both running CentOS. (The present server is running CentOS-5.7, the new one 6.0.) I'm thinking of moving things over one at a time, starting with email. I'm running IMAP on the server, with my email in ~/Maildir/ . I'm wondering what exactly I need to copy to the new machine?
Any help or suggestions gratefully received.
If it were me, I'd copy the entire old machine (running 5.7) over to the new machine so that after the copy it was also running 5.7, then upgrade the new machine to 6.0. ...unless you like making things more complicated than they need to be.
An upgrade on the same machine from 5.7 to 6.x is not supported and would always leave behind a bunch of old libraries, etc.
The way he is doing it is the correct way (at least as recommended by RH for RHEL and by us for CentOS.
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Installati...
Am 30.11.2011 13:45, schrieb Johnny Hughes:
On 11/30/2011 06:18 AM, ken wrote:
On 11/30/2011 06:36 AM Timothy Murphy wrote:
I want to move my home server over to a new machine, both running CentOS. (The present server is running CentOS-5.7, the new one 6.0.) I'm thinking of moving things over one at a time, starting with email. I'm running IMAP on the server, with my email in ~/Maildir/ . I'm wondering what exactly I need to copy to the new machine?
Any help or suggestions gratefully received.
If it were me, I'd copy the entire old machine (running 5.7) over to the new machine so that after the copy it was also running 5.7, then upgrade the new machine to 6.0. ...unless you like making things more complicated than they need to be.
An upgrade on the same machine from 5.7 to 6.x is not supported and would always leave behind a bunch of old libraries, etc.
yes you have to manually clean up something
but since i upgraded > 20 servers since F9 to F14 and currently stzart upgrade to F15 via yum this should also work on CentOS and is mostly more painless than searching every piece of configuraion on a new machine
since this is a new machine while the old is still there it would be not a problem to test what is happening, on my environments all servers are virtual-machines what makes it all relaxter with a full snapshot
Vreme: 11/30/2011 01:53 PM, Reindl Harald piše:
but since i upgraded> 20 servers since F9 to F14 and currently stzart upgrade to F15 via yum this should also work on CentOS and is mostly more painless than searching every piece of configuraion on a new machine
since this is a new machine while the old is still there it would be not a problem to test what is happening, on my environments all servers are virtual-machines what makes it all relaxter with a full snapshot
Fedora upgrades every 6 months so changes are not so big. CentOS 5.x and CentOS 6.x are MUCH more different, there is number of packages that are obsoleted and replaced with packages of same effect but with different config files, file locations, etc.
Do what you like, but with such different changes, my servers will be freshly built and clean (I am slated to upgrade them in few weeks.)
On 11/30/2011 06:53 AM, Reindl Harald wrote:
Am 30.11.2011 13:45, schrieb Johnny Hughes:
On 11/30/2011 06:18 AM, ken wrote:
On 11/30/2011 06:36 AM Timothy Murphy wrote:
I want to move my home server over to a new machine, both running CentOS. (The present server is running CentOS-5.7, the new one 6.0.) I'm thinking of moving things over one at a time, starting with email. I'm running IMAP on the server, with my email in ~/Maildir/ . I'm wondering what exactly I need to copy to the new machine?
Any help or suggestions gratefully received.
If it were me, I'd copy the entire old machine (running 5.7) over to the new machine so that after the copy it was also running 5.7, then upgrade the new machine to 6.0. ...unless you like making things more complicated than they need to be.
An upgrade on the same machine from 5.7 to 6.x is not supported and would always leave behind a bunch of old libraries, etc.
yes you have to manually clean up something
but since i upgraded > 20 servers since F9 to F14 and currently stzart upgrade to F15 via yum this should also work on CentOS and is mostly more painless than searching every piece of configuraion on a new machine
since this is a new machine while the old is still there it would be not a problem to test what is happening, on my environments all servers are virtual-machines what makes it all relaxter with a full snapshot
That is the fun thing about being an administrator ... you (we) get to do things the way you (we) want and are comfortable with.
I manage a few servers myself and I am much more comfortable, if I have a new machine, to start with only the new binaries on there an to move things over. Other people are likely more comfortable using the linux upgradeany method from the install media.
To each their own.
On Wed, Nov 30, 2011 at 5:36 AM, Timothy Murphy gayleard@eircom.net wrote:
I want to move my home server over to a new machine, both running CentOS. (The present server is running CentOS-5.7, the new one 6.0.) I'm thinking of moving things over one at a time, starting with email. I'm running IMAP on the server, with my email in ~/Maildir/ . I'm wondering what exactly I need to copy to the new machine?
If you can run both machines during the conversion, I'd bring up the new one, then rsync over the home directories and any other data, making sure the related applications work. If you make changes to the IMAP server, there is an imapcopy utility that will move all mail to a different type of server - or for a few accounts you can just recreate the folder structure from a client, connect to both accounts and drag the messages over, letting the servers take care of the storage/formatting details.
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Johnny Hughes -
ken -
Les Mikesell -
Ljubomir Ljubojevic -
Reindl Harald -
Timothy Murphy