43 lines
1.8 KiB
Markdown
43 lines
1.8 KiB
Markdown
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---
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title: Default SSH Key
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description: Create a default `id_rsa` SSH key if one is not present in the repository / fork of Install Doctor
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sidebar_label: 07 Default SSH Key
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slug: /scripts/after/run_onchange_after_07-ensure-private-key.sh.tmpl
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githubLocation: https://github.com/megabyte-labs/install.doctor/blob/master/home/.chezmoiscripts/universal/run_onchange_after_07-ensure-private-key.sh.tmpl
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scriptLocation: https://github.com/megabyte-labs/install.doctor/raw/master/home/.chezmoiscripts/universal/run_onchange_after_07-ensure-private-key.sh.tmpl
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repoLocation: home/.chezmoiscripts/universal/run_onchange_after_07-ensure-private-key.sh.tmpl
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---
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# Default SSH Key
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Create a default `id_rsa` SSH key if one is not present in the repository / fork of Install Doctor
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## Overview
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This script generates a pair of default `id_rsa` and `id_rsa.pub` keys if one is not already present
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on the system after the Install Doctor provisioning process completes. It also ensures the private
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key is only readable and writable the provisioning user.
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## Source Code
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```
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#!/usr/bin/env bash
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# @file Default SSH Key
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# @brief Create a default `id_rsa` SSH key if one is not present in the repository / fork of Install Doctor
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# @description
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# This script generates a pair of default `id_rsa` and `id_rsa.pub` keys if one is not already present
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# on the system after the Install Doctor provisioning process completes. It also ensures the private
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# key is only readable and writable the provisioning user.
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{{ includeTemplate "universal/profile" }}
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{{ includeTemplate "universal/logg" }}
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### Ensure id_rsa is present and create one if it does not exist
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if [ ! -f "$HOME/.ssh/id_rsa" ]; then
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logg 'Generating missing default private key / public key (`~/.ssh/id_rsa`)'
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ssh-keygen -b 4096 -t rsa -f "$HOME/.ssh/id_rsa" -q -N ""
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chmod 600 "$HOME/.ssh/id_rsa"
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fi
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```
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