- For installations using Systemd MinIO service, upgrade via RPM/DEB packages **parallelly** on all servers or replace the binary lets say `/opt/bin/minio` on all nodes, apply executable permissions `chmod +x /opt/bin/minio` and process to perform `mc admin service restart alias/`.

wget -q -O mc https://dl.minio.io/client/mc/release/linux-amd64/mc &&
	chmod +x mc

if [ ! -f mc.RELEASE.2021-03-12T03-36-59Z ]; then
	wget -q -O mc.RELEASE.2021-03-12T03-36-59Z https://dl.minio.io/client/mc/release/linux-amd64/archive/mc.RELEASE.2021-03-12T03-36-59Z &&
		chmod +x mc.RELEASE.2021-03-12T03-36-59Z
fi

# Create certificates for TLS enabled MinIO
echo -n "Setup certs for MinIO instances ..."
wget -O certgen https://github.com/minio/certgen/releases/latest/download/certgen-linux-amd64 && chmod +x certgen
./certgen --host localhost
mkdir -p /tmp/certs
mv public.crt /tmp/certs || sudo mv public.crt /tmp/certs
mv private.key /tmp/certs || sudo mv private.key /tmp/certs
echo "done"

# Start MinIO instances

export MINIO_IDENTITY_LDAP_GROUP_SEARCH_FILTER="(&(objectclass=groupOfNames)(member=%d))"

if [ ! -f ./mc ]; then
	wget -O mc https://dl.minio.io/client/mc/release/linux-amd64/mc &&
		chmod +x mc
fi

minio server --config-dir /tmp/minio-ldap --address ":9001" /tmp/minio-ldap-idp1/{1...4} >/tmp/minio1_1.log 2>&1 &
site1_pid=$!

export MINIO_PROMETHEUS_AUTH_TYPE=public
export MINIO_KMS_SECRET_KEY=my-minio-key:OSMM+vkKUTCvQs9YL/CVMIMt43HFhkUpqJxTmGl6rYw=

if [ ! -f ./mc ]; then
	wget -O mc https://dl.minio.io/client/mc/release/linux-amd64/mc &&
		chmod +x mc
fi

minio server --config-dir /tmp/minio-internal --address ":9001" http://localhost:9001/tmp/minio-internal-idp1/{1...4} http://localhost:9010/tmp/minio-internal-idp1/{5...8} >/tmp/minio1_1.log 2>&1 &
site1_pid1=$!

unset MINIO_KMS_KES_CERT_FILE
unset MINIO_KMS_KES_KEY_FILE
unset MINIO_KMS_KES_ENDPOINT
unset MINIO_KMS_KES_KEY_NAME

if [ ! -f ./mc ]; then
	wget --quiet -O mc https://dl.minio.io/client/mc/release/linux-amd64/mc &&
		chmod +x mc
fi

minio server --address 127.0.0.1:9001 "http://127.0.0.1:9001/tmp/multisitea/data/disterasure/xl{1...4}" \
	"http://127.0.0.1:9002/tmp/multisitea/data/disterasure/xl{5...8}" >/tmp/sitea_1.log 2>&1 &

		if endpoint.URL != nil {
			hint = fmt.Sprintf("Run the following command to add write permissions: `sudo chown -R %s %s && sudo chmod u+rxw %s`",
				username, endpoint.Path, endpoint.Path)
		} else {
			hint = fmt.Sprintf("Run the following command to add write permissions: `sudo chown -R %s. <path> && sudo chmod u+rxw <path>`", username)
		}
		if !exit {

and replace the existing MinIO binary let's say for example `/opt/bin/minio`, apply executable permissions `chmod +x /opt/bin/minio` and proceed to perform `mc admin service restart alias/`. - For installations using Systemd MinIO service, upgrade via RPM/DEB packages **parallelly** on all servers or replace the binary lets say `/opt/bin/minio` on all nodes, apply executable permissions `chmod +x /opt/bin/minio` and process to perform `mc admin service restart alias/`. ### Upgrade Checklist - Test...