TZ is set
DescriptionOn production servers the TZ env variable should be set to avoid filesystem stat() syscalls for timezone change detection via /etc/localtime on each call to Glibc localtime()
echo 'TZ=:/etc/localtime' >>/etc/environment.txt
Check Script: performance-tz-set.sh
if [ "$TZ" == "" ]; then
result_failed "Environment variable TZ is not set!"
result_ok "TZ is set to '$TZ'"