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Diffstat (limited to 'overlay/sys-cluster/beowulf-head/files/setup-pwdless-ssh')
| -rw-r--r-- | overlay/sys-cluster/beowulf-head/files/setup-pwdless-ssh | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/overlay/sys-cluster/beowulf-head/files/setup-pwdless-ssh b/overlay/sys-cluster/beowulf-head/files/setup-pwdless-ssh new file mode 100644 index 0000000..082a20f --- /dev/null +++ b/overlay/sys-cluster/beowulf-head/files/setup-pwdless-ssh @@ -0,0 +1,31 @@ +#!/bin/bash +pushd $PWD + +KEY_NAME="node_dsa" + +echo "Setting up passwordless ssh for $USER between master and the nodes" +echo "The key is stored as $HOME/.ssh/$KEY_NAME(.pub)" + +mkdir -p $HOME/.ssh/ +cd $HOME/.ssh/ + +ssh-keygen -t dsa -b 1024 -f $KEY_NAME -N "" +# since this is an nfs-mounted $HOME, we simply add the key to self +# Usually, this would have to be replicated to all remote hosts +# if $HOME wasn't shared +cat $KEY_NAME.pub >> $HOME/.ssh/authorized_keys + +chmod 600 $HOME/.ssh/* +chmod 700 $HOME/.ssh + +cat >> $HOME/.ssh/config <<-EOF +# Auto-generated by $0 to ease the use of passwordless logins for all users +# Although this approach is questionnable, (Security on Host ...), it works +Host *.gentoo.local node* +IdentityFile $HOME/.ssh/$KEY_NAME +StrictHostKeyChecking no +CheckHostIP no +Compression no +EOF + +popd |