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Replace rsync with tar

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link2xt
2024-10-28 18:16:01 +00:00
committed by missytake
parent a9779d7e7c
commit c35c44ad8d
1 changed files with 9 additions and 10 deletions
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README.md
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@@ -273,17 +273,16 @@ During the guide, you might get a warning about changed SSH Host keys;
in this case, just run `ssh-keygen -R "mail.example.org"` as recommended in this case, just run `ssh-keygen -R "mail.example.org"` as recommended
to make sure you can connect with SSH. to make sure you can connect with SSH.
1. First, copy `/var/lib/acme` to your local machine with `rsync -avz root@13.37.13.37:/var/lib/acme .` 1. First, copy `/var/lib/acme` to your local machine with
`ssh root@13.37.13.37 tar c /var/lib/acme | ssh root@13.12.23.42 tar x -C /var/lib/`.
2. Upload /var/lib/acme to the new machine with `rsync -avz acme root@13.12.23.42:/var/lib/`. 2. On the new server, run `chown root: -R /var/lib/acme` to make sure the permissions are correct.
3. On the new server, run `chown root: -R /var/lib/acme` to make sure the permissions are correct. 3. Run `cmdeploy run --disable-mail --ssh-host 13.12.23.42` to install chatmail on the new machine.
4. Run `cmdeploy run --disable-mail --ssh-host 13.12.23.42` to install chatmail on the new machine.
postfix and dovecot are disabled for now, postfix and dovecot are disabled for now,
we will enable them later. we will enable them later.
5. Now, point DNS to the new IP addresses. 4. Now, point DNS to the new IP addresses.
You can already remove the old IP addresses from DNS. You can already remove the old IP addresses from DNS.
Existing Delta Chat users will still be able to connect Existing Delta Chat users will still be able to connect
@@ -295,13 +294,13 @@ to make sure you can connect with SSH.
but normally email servers will retry delivering messages but normally email servers will retry delivering messages
for at least a week, so messages will not be lost. for at least a week, so messages will not be lost.
6. Now you can run `cmdeploy run --disable-mail --ssh-host 13.37.13.37` to disable your old server. 5. Now you can run `cmdeploy run --disable-mail --ssh-host 13.37.13.37` to disable your old server.
Now your users will notice the migration Now your users will notice the migration
and will not be able to send or receive messages and will not be able to send or receive messages
until the migration is completed. until the migration is completed.
7. After everything is stopped, 6. After everything is stopped,
you can copy the `/home/vmail/mail` directory to the new server. you can copy the `/home/vmail/mail` directory to the new server.
It includes all user data, messages, password hashes, etc. It includes all user data, messages, password hashes, etc.
@@ -316,10 +315,10 @@ to make sure you can connect with SSH.
After this, your new server has all the necessary files to start operating :) After this, your new server has all the necessary files to start operating :)
8. To be sure the permissions are still fine, 7. To be sure the permissions are still fine,
run `chown vmail: -R /home/vmail` on the new server. run `chown vmail: -R /home/vmail` on the new server.
9. Finally, you can run `cmdeploy run` to turn on chatmail on the new server. 8. Finally, you can run `cmdeploy run` to turn on chatmail on the new server.
Your users can continue using the chatmail server, Your users can continue using the chatmail server,
and messages which were sent after step 6. should arrive now. and messages which were sent after step 6. should arrive now.
Voilà! Voilà!