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56 lines
1.3 KiB
Bash
56 lines
1.3 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2020-08-14 19:26:06 +0100 (Fri, 14 Aug 2020)
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/harisekhon
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#
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Disables Swap on Linux
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Designed to be called modularly from other provisioners to reuse code between scripts
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eg. Vagrant provisioners that differ by OS / setup can call this from /github/bash-tools/disable_swap.sh within their scripts
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args=""
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help_usage "$@"
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os="$(uname -s)"
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if [ "$os" != Linux ]; then
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echo "OS '$os' != Linux, aborting disabling swap"
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exit 1
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fi
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#echo 0 > /proc/sys/vm/swappiness
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timestamp "Disabling All Swap"
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swapoff -a
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timestamp "Commenting out any Swap lines in /etc/fstab"
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sed -i 's,\(/.*[[:space:]]none[[:space:]]*swap[[:space:]]\),#\1,' /etc/fstab
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timestamp "Swap disabled"
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