remove fuel support, many bugfixes, add sudo support for some cmd, add default ssh user
diff --git a/scripts/build_fio_ubuntu.sh b/scripts/build_fio_ubuntu.sh
index 1ce35d5..c534cfa 100644
--- a/scripts/build_fio_ubuntu.sh
+++ b/scripts/build_fio_ubuntu.sh
@@ -2,14 +2,13 @@
 set -xe
 
 apt update
-apt -y install g++ git zlib1g-dev libaio-dev librbd-dev make bzip2
+apt -y install g++ git zlib1g-dev libaio-dev make bzip2
 cd /tmp
 git clone https://github.com/axboe/fio.git
 cd fio
 ./configure
 make -j 4
 . /etc/lsb-release
-# VERSION=$(cat /etc/lsb-release | grep DISTRIB_CODENAME | awk -F= '{print $2}')
 chmod a-x fio
 bzip2 -z -9 fio
 mv fio.bz2 "fio_${DISTRIB_CODENAME}_x86_64.bz2"