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Filename : check_quota_on.sh
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#!/bin/bash
# written by Vladimir Burov, vladimir.burov@namecheap.com
# version: 1.0-1 2018/02/09
# short description: NRPE plugin to check if quotas are enabled on file system partitions according to /etc/fstab
# link to documentation: TO-3769, https://collab.namecheap.net/display/TTD/Shared+hosting+account+filesystem+quotas+check
# RPM package: nc-account-diskquota-fix
if ps auxw|grep -v grep|grep -q '/sbin/quotacheck'; then
    echo "'/sbin/quotacheck' is running"
    exit 1
fi
fs_quota_off=''
for path in $(cat /etc/fstab|egrep '^[^#].*usrjquota='|awk '{print$2}'); do
    if [[ ! ($(quotaon -up ${path}) =~ on$ && -f "${path}/quota.user") ]]; then
        fs_quota_off="${fs_quota_off} '${path}'"
    fi
done
if [[ -n ${fs_quota_off} ]]; then
    echo "Filesystem Quotas disabled for: ${fs_quota_off}. Please run /root/bin/diskquota_fix.sh or switch quotas on"
    exit 2
fi
echo 'OK'
exit 0