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Ian Barwick
2015-10-02 09:55:34 +09:00
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SSH-RSYNC.md
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Set up trusted copy between postgres accounts Set up trusted copy between postgres accounts
--------------------------------------------- ---------------------------------------------
If you need to use rsync to clone standby servers, the postgres account If you need to use `rsync` to clone standby servers, the `postgres` account
on your master and standby servers must be each able to access the other on your primary and standby servers must be each able to access the other
using SSH without a password. using SSH without a password.
First generate a ssh key, using an empty passphrase, and copy the resulting First generate an ssh key, using an empty passphrase, and copy the resulting
keys and a maching authorization file to a privledged user on the other system:: keys and a matching authorization file to a privileged user account on the other
system:
[postgres@node1]$ ssh-keygen -t rsa [postgres@node1]$ ssh-keygen -t rsa
Generating public/private rsa key pair. Generating public/private rsa key pair.
@@ -22,8 +23,8 @@ keys and a maching authorization file to a privledged user on the other system::
[postgres@node1]$ cd ~/.ssh [postgres@node1]$ cd ~/.ssh
[postgres@node1]$ scp id_rsa.pub id_rsa authorized_keys user@node2: [postgres@node1]$ scp id_rsa.pub id_rsa authorized_keys user@node2:
Login as a user on the other system, and install the files into the postgres Login as a user on the other system, and install the files into the `postgres`
user's account:: user's account:
[user@node2 ~]$ sudo chown postgres.postgres authorized_keys id_rsa.pub id_rsa [user@node2 ~]$ sudo chown postgres.postgres authorized_keys id_rsa.pub id_rsa
[user@node2 ~]$ sudo mkdir -p ~postgres/.ssh [user@node2 ~]$ sudo mkdir -p ~postgres/.ssh