32 lines
1.1 KiB
Bash
32 lines
1.1 KiB
Bash
#!/bin/bash
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# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -eux
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set -o pipefail
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# This turns on an internal heartbeat mechanism in the ssh client
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# to prevent the client from believing inactivity is a connection
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# failure.
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if ! grep -q '^\s*ServerAliveInterval' /etc/ssh/ssh_config; then
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echo " ServerAliveInterval 30" >>/etc/ssh/ssh_config
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fi
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# This causes the connection to wait until the defined number of
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# heartbeats are missed before terminating the connection.
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if ! grep -q '^\s*ServerAliveCountMax' /etc/ssh/ssh_config; then
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echo " ServerAliveCountMax 6" >>/etc/ssh/ssh_config
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fi
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