The server is Ubuntu 18.04 and I installed that via apt. The apachectl command says it is using MPM.
# apachectl status Apache Server Status for localhost (via ::1) Server Version: Apache/2.4.29 (Ubuntu) OpenSSL/1.1.1 Server MPM: prefork Server Built: 2020-03-13T12:26:16 ---------------------------------------------------------------------- Current Time: Friday, 10-Jul-2020 21:00:16 +0430 Restart Time: Friday, 10-Jul-2020 15:10:54 +0430 Parent Server Config. Generation: 1 Parent Server MPM Generation: 0 Server uptime: 5 hours 49 minutes 22 seconds Server load: 1.81 2.09 2.14 Total accesses: 287766 - Total Traffic: 63.6 GB CPU Usage: u376.8 s74.98 cu0 cs0 - 2.16% CPU load 13.7 requests/sec - 3.1 MB/second - 231.7 kB/request 62 requests currently being processed, 28 idle workers WRK._WKKKRWRKR_W_WR_RRWWC.K___WKW____K__W__WR_K_WRR_WRWKKRR_WKKR W..RK_K_R__RR.WW.KW._.R.R...K._W.._W.K.._..W........C.._........ ................................................................ ................................................................ ................................................................ ................................................................ ................................................................ ................................................................ ................................................................ ........................ Scoreboard Key: "_" Waiting for Connection, "S" Starting up, "R" Reading Request, "W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup, "C" Closing connection, "L" Logging, "G" Gracefully finishing, "I" Idle cleanup of worker, "." Open slot with no current process >Did you see this syntax error? Regarding that error, the following line in not commented DefaultRuntimeDir ${APACHE_RUN_DIR} I don't remember that I have intentionally uncommentted that. What is the default setting then? Regards, Mahmood