diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fcf7db6..ee1344d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -141,9 +141,11 @@ jobs:
           S3FS_BREW_PACKAGES='automake cppcheck python3 coreutils gnu-sed shellcheck';
           for s3fs_brew_pkg in ${S3FS_BREW_PACKAGES}; do if brew list | grep -q ${s3fs_brew_pkg}; then if brew outdated | grep -q ${s3fs_brew_pkg}; then HOMEBREW_NO_AUTO_UPDATE=1 brew upgrade ${s3fs_brew_pkg}; fi; else HOMEBREW_NO_AUTO_UPDATE=1 brew install ${s3fs_brew_pkg}; fi; done;
 
-      - name: Install awscli
+      - name: Install awscli2
         run: |
-          if pip3 --version; then pip3 install awscli; else curl https://bootstrap.pypa.io/get-pip.py | sudo python; pip install awscli --ignore-installed matplotlib; fi
+          cd /tmp
+          curl "https://awscli.amazonaws.com/AWSCLIV2.pkg" -o "AWSCLIV2.pkg"
+          sudo installer -pkg AWSCLIV2.pkg -target /
 
       - name: Check osxfuse permission
         run: |
diff --git a/.github/workflows/linux-ci-helper.sh b/.github/workflows/linux-ci-helper.sh
index f93c4ee..f73b023 100755
--- a/.github/workflows/linux-ci-helper.sh
+++ b/.github/workflows/linux-ci-helper.sh
@@ -50,11 +50,10 @@ CONTAINER_OSNAME=$(echo "${CONTAINER_FULLNAME}" | sed 's/:/ /g' | awk '{print $1
 CONTAINER_OSVERSION=$(echo "${CONTAINER_FULLNAME}" | sed 's/:/ /g' | awk '{print $2}')
 
 #-----------------------------------------------------------
-# Common variables for pip
+# Common variables for awscli2
 #-----------------------------------------------------------
-PIP_BIN="pip3"
-PIP_OPTIONS="--upgrade"
-INSTALL_AWSCLI_PACKAGES="awscli"
+AWSCLI_URI="https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip"
+AWSCLI_ZIP_FILE="awscliv2.zip"
 
 #-----------------------------------------------------------
 # Parameters for configure(set environments)
@@ -69,7 +68,7 @@ if [ "${CONTAINER_FULLNAME}" = "ubuntu:21.10" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
 
-    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip"
+    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
     INSTALL_CHECKER_PKG_OPTIONS=""
 
@@ -77,7 +76,7 @@ elif [ "${CONTAINER_FULLNAME}" = "ubuntu:20.04" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
 
-    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip"
+    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
     INSTALL_CHECKER_PKG_OPTIONS=""
 
@@ -85,7 +84,7 @@ elif [ "${CONTAINER_FULLNAME}" = "ubuntu:18.04" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
 
-    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip"
+    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
     INSTALL_CHECKER_PKG_OPTIONS=""
 
@@ -93,7 +92,7 @@ elif [ "${CONTAINER_FULLNAME}" = "ubuntu:16.04" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
 
-    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip"
+    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
     INSTALL_CHECKER_PKG_OPTIONS=""
 
@@ -101,7 +100,7 @@ elif [ "${CONTAINER_FULLNAME}" = "debian:bullseye" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
 
-    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl procps python3-pip"
+    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl procps python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
     INSTALL_CHECKER_PKG_OPTIONS=""
 
@@ -109,7 +108,7 @@ elif [ "${CONTAINER_FULLNAME}" = "debian:buster" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
 
-    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl procps python3-pip"
+    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl procps python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
     INSTALL_CHECKER_PKG_OPTIONS=""
 
@@ -117,7 +116,7 @@ elif [ "${CONTAINER_FULLNAME}" = "debian:stretch" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
 
-    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl procps python3-pip"
+    INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl procps python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
     INSTALL_CHECKER_PKG_OPTIONS=""
 
@@ -129,7 +128,7 @@ elif [ "${CONTAINER_FULLNAME}" = "rockylinux:8" ]; then
     # Installing ShellCheck on Rocky Linux is not easy.
     # Give up to run ShellCheck on Rocky Linux as we don't have to run ShellChek on all operating systems.
     #
-    INSTALL_PACKAGES="curl-devel fuse fuse-devel gcc libstdc++-devel gcc-c++ glibc-langpack-en java-11-openjdk-headless libxml2-devel mailcap git automake make openssl-devel attr diffutils curl python3"
+    INSTALL_PACKAGES="curl-devel fuse fuse-devel gcc libstdc++-devel gcc-c++ glibc-langpack-en java-11-openjdk-headless libxml2-devel mailcap git automake make openssl-devel attr diffutils curl python3 unzip"
     INSTALL_CHECKER_PKGS="cppcheck"
     INSTALL_CHECKER_PKG_OPTIONS="--enablerepo=powertools"
 
@@ -142,7 +141,7 @@ elif [ "${CONTAINER_FULLNAME}" = "centos:centos7" ]; then
     # And in this version, it cannot be passed due to following error.
     # "shellcheck: ./test/integration-test-main.sh: hGetContents: invalid argument (invalid byte sequence)"
     #
-    INSTALL_PACKAGES="curl-devel fuse fuse-devel gcc libstdc++-devel gcc-c++ glibc-langpack-en java-11-openjdk-headless libxml2-devel mailcap git automake make openssl-devel attr curl python3 epel-release"
+    INSTALL_PACKAGES="curl-devel fuse fuse-devel gcc libstdc++-devel gcc-c++ glibc-langpack-en java-11-openjdk-headless libxml2-devel mailcap git automake make openssl-devel attr curl python3 epel-release unzip"
     INSTALL_CHECKER_PKGS="cppcheck"
     INSTALL_CHECKER_PKG_OPTIONS="--enablerepo=epel"
 
@@ -151,7 +150,7 @@ elif [ "${CONTAINER_FULLNAME}" = "fedora:35" ]; then
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
 
     # TODO: Cannot use java-latest-openjdk (17) due to modules issue in S3Proxy/jclouds/Guice
-    INSTALL_PACKAGES="curl-devel fuse fuse-devel gcc libstdc++-devel gcc-c++ glibc-langpack-en java-11-openjdk-headless libxml2-devel mailcap git automake make openssl-devel curl attr diffutils procps python3-pip"
+    INSTALL_PACKAGES="curl-devel fuse fuse-devel gcc libstdc++-devel gcc-c++ glibc-langpack-en java-11-openjdk-headless libxml2-devel mailcap git automake make openssl-devel curl attr diffutils procps python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck ShellCheck"
     INSTALL_CHECKER_PKG_OPTIONS=""
 
@@ -159,7 +158,7 @@ elif [ "${CONTAINER_FULLNAME}" = "opensuse/leap:15" ]; then
     PACKAGE_MANAGER_BIN="zypper"
     PACKAGE_UPDATE_OPTIONS="refresh"
 
-    INSTALL_PACKAGES="automake curl-devel fuse fuse-devel gcc-c++ java-11-openjdk-headless libxml2-devel make openssl-devel python3-pip curl attr ShellCheck"
+    INSTALL_PACKAGES="automake curl-devel fuse fuse-devel gcc-c++ java-11-openjdk-headless libxml2-devel make openssl-devel python3-pip curl attr ShellCheck unzip"
     INSTALL_CHECKER_PKGS="cppcheck ShellCheck"
     INSTALL_CHECKER_PKG_OPTIONS=""
 
@@ -192,9 +191,13 @@ java -version
 #
 # Install awscli
 #
-echo "${PRGNAME} [INFO] Install awscli package."
-/bin/sh -c "${PIP_BIN} install ${PIP_OPTIONS} ${INSTALL_AWSCLI_PACKAGES}"
-/bin/sh -c "${PIP_BIN} install ${PIP_OPTIONS} rsa"
+echo "${PRGNAME} [INFO] Install awscli2 package."
+CURRENT_DIR=$(pwd)
+cd /tmp
+curl "${AWSCLI_URI}" -o "${AWSCLI_ZIP_FILE}"
+unzip  "${AWSCLI_ZIP_FILE}"
+./aws/install
+cd "${CURRENT_DIR}"
 
 #-----------------------------------------------------------
 # Set environment for configure
diff --git a/test/test-utils.sh b/test/test-utils.sh
index cdf77da..e453dc6 100644
--- a/test/test-utils.sh
+++ b/test/test-utils.sh
@@ -336,8 +336,10 @@ function aws_cli() {
     if [ -n "${S3FS_PROFILE}" ]; then
         FLAGS="--profile ${S3FS_PROFILE}"
     fi
+    # [NOTE]
+    # AWS_EC2_METADATA_DISABLED for preventing the metadata service(to 169.254.169.254).
     # shellcheck disable=SC2086,SC2068
-    aws $@ --endpoint-url "${S3_URL}" --ca-bundle /tmp/keystore.pem ${FLAGS}
+    AWS_EC2_METADATA_DISABLED=true aws $@ --endpoint-url "${S3_URL}" --ca-bundle /tmp/keystore.pem ${FLAGS} --debug
 }
 
 function wait_for_port() {