A common and reliable pattern in service unit files is thus:
NoNewPrivileges=yes
PrivateTmp=yes
PrivateDevices=yes
DevicePolicy=closed
ProtectSystem=strict
cat data.csv | awk -F',' '{print " SET \""$1"\" \""$2 "\"\n"}'| /opt/redis-2.8.17/src/redis-cli --pipe |
cat data.csv | awk -F',' '{print " SET \""$1"\" \""$2"\" \n"}' | redis-cli --pipe |