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#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
check
check -h
EOF
}
help() {
cat <<-'EOF'
Options:
-h, --help show this message
Run system sanity checks, such as email reachability, alarms
reachability, filesystem checks, etc.
Examples:
Just run it
$ check
EOF
}
for flag in "$@"; do
case "$flag" in
--)
break
;;
--help)
usage
help
exit
;;
*)
;;
esac
done
while getopts 'h' flag; do
case "$flag" in
h)
usage
help
exit
;;
*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
if [ "$(id -un)" != 'root' ]; then
printf 'This script must be run as root.\n\n' >&2
usage >&2
exit 2
fi
uuid() {
od -xN20 /dev/urandom |
head -n1 |
awk '{OFS="-"; print $2$3,$4,$5,$6,$7$8$9}'
}
for alias in abuse admin postmaster hostmaster; do
uuid | mail -s "\"$alias\" alias test from $(id -un)@$(hostname)" "$alias@$(hostname)"
done
PARTITIONS='
/dev/vda3
/dev/vdb1
/dev/vdc1
'
set -x
for part in $PARTITIONS; do
btrfs scrub start -B "$part"
btrfs check --force -p "$part"
done
|
