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HP OpenView Operations Administrator's Reference - filibeto.org

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Installing OVO Agents on the Managed Nodes<br />

Secure Shell Installation Method<br />

62<br />

Enter passphrase: <br />

Enter the same passphrase again: <br />

Identification has been saved in<br />

/home/username/.ssh/identity.<br />

Your public key is:<br />

1024 35 718535638573954[...] username@local<br />

Public key has been saved in<br />

/home/username/.ssh/identity.pub<br />

c. Use ssh to connect to the managed node, and from there connect<br />

back to the management server.<br />

This step creates the $HOME/.ssh directory on the managed<br />

node, as well as some files in that directory. After the directory is<br />

created, log out from the managed node.<br />

d. Copy the local public key to the managed node using one of the<br />

following methods:<br />

scp .ssh/identity.pub<br />

user@managednode:.ssh/authorized_keys<br />

ssh user@managednode ’cat >><br />

~/.ssh/authorized_keys’ < ~/.ssh/identity.pub<br />

NOTE Since the file ~/.ssh/authorized_keys can contain many keys,<br />

it is important that it is not overwritten during the preparations<br />

for the installation on a new system. The second method for<br />

transferring public key mentioned above, will not overwrite the<br />

file.<br />

e. During the OVO agent installation, ssh and scp executables<br />

must reside at one of the following recommended locations:<br />

/usr/bin/<br />

/usr/sbin/<br />

Create a soft link to the ssh executable. For example:<br />

ln -s /usr/local/bin/ssh /usr/bin/ssh<br />

ln -s /usr/local/bin/scp /usr/bin/scp<br />

ln -s /usr/local/sbin/sshd /usr/sbin/sshd<br />

Chapter 1

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