zjtest7-frontend:/root# service rsyslog start Starting system logger: usage: rsyslogd [options] use "man rsyslogd" for details. To run rsyslog interactively, use "rsyslogd -n"to run it in debug mode use "rsyslogd -dn" For further information see http://www.rsyslog.com/doc [FAILED] zjtest7-frontend:/root# rsyslogd -v rsyslogd 8.21.0, compiled with: PLATFORM: x86_64-redhat-linux-gnu PLATFORM (lsb_release -d): FEATURE_REGEXP: Yes GSSAPI Kerberos 5 support: No FEATURE_DEBUG (debug build, slow code): No 32bit Atomic operations supported: Yes 64bit Atomic operations supported: Yes memory allocator: system default Runtime Instrumentation (slow code): No uuid support: Yes Number of Bits in RainerScript integers: 64 See http://www.rsyslog.com for more information. zjtest7-frontend:/etc/rsyslog.d# which rsyslogd /sbin/rsyslogd zjtest7-frontend:/etc/rsyslog.d# cd /usr/sbin/ zjtest7-frontend:/usr/sbin# ls -ltr *rsyslog* -rwxr-xr-x 1 root root 2741283 Aug 4 15:27 rsyslogd 緣由有兩個rsyslogd