rm -rf /var/log/IBSng/*
rm -rf /var/log/Squid/*
rm -rf /var/log/httpd/*

rm -rf /var/lib/pgsql/IBSng.bak
rm -rf /var/www/html/IBSng.bak
su - postgres
pg_dump IBSng > IBSng.bak
exit
mv /var/lib/pgsql/IBSng.bak /var/www/html/

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http://ipsever/IBSng.bak ===>> copy link in IDM and download file