confirm a6d843f7ad7d1dbf1fefb6f12432e54941a680a9 Hi all, I want to use syslog-ng to log the messages generated by my application implemented in C language. I added this in the code: char *log="rtcd"; printf("[%s] RTC adjustement\n",__func__); openlog(log, LOG_PID, LOG_LOCAL0); syslog(LOG_DEBUG, "[FIJ] RTC adjustement"); closelog(); For me, according to the syslog-ng file, the files /var/log/ldb/GENTrace.log, /var/log/ldb/SUTrace.log, /var/log/ldb/WANTrace.log and /var/log/ldb/CPLTrace.log must be created and must contain the syslog message. But I got no messages in my destination files. You can see the content of my syslog-ng.conf file bellow. Is it the right way to log the messages sent by C program? What can explain that I got no messages in the destinations files? Concerning log file rotation, How can we manage it using syslog-ng? For example I want to have a destination file with a size maximum = 2Mo and if the size is greater than the max size, I have to save the current one and create a new one. On my system I can have max 4 files (4 x 2Mo). How can I manage this kind of rotation? Thanks in advance. Best regards, Ismael Jean FAYE @version: 3.5 # # Syslog-ng configuration file, compatible with default Debian syslogd # installation. Originally written by anonymous (I can't find his name) # Revised, and rewrited by me (SZALAY Attila <sasa@debian.org>) # First, set some global options. options { chain_hostnames(off); flush_lines(0); use_dns(no); use_fqdn(no); owner("root"); group("adm"); perm(0640); stats_freq(0); bad_hostname("^gconfd$");create_dirs(yes); }; ######################## # Sources ######################## source s_mysource { pipe("/tmp/pipe" pad_size(2048)); }; ######################## # Destinations ######################## destination d_GEN { file("/var/log/ldb/GENTrace.log"); }; destination d_SU { file("/var/log/ldb/SUTrace.log"); }; destination d_WAN { file("/var/log/ldb/WANTrace.log"); }; destination d_CPL { file("/var/log/ldb/CPLTrace.log"); }; ######################## # Filters ######################## #filter f_GEN { #facility(local0) and filter(nom_du_composant_applicatif); #facility(local0) and filter(f_debug); #facility(local0); #}; filter f_SU { #facility(local0) and filter(nom_du_composant_applicatif); #facility(local0) and filter(f_debug); facility(local0); }; filter f_WAN { #facility(local0) and filter(nom_du_composant_applicatif); #facility(local0) and filter(f_debug); facility(local0); }; filter f_CPL { #facility(local0) and filter(nom_du_composant_applicatif); #facility(local0) and filter(f_debug); facility(local0); }; ######################## # Log paths ######################## #log { source(s_mysource); filter(f_GEN); destination(d_GEN); }; log { source(s_mysource); filter(f_SU); destination(d_SU); }; log { source(s_mysource); filter(f_WAN); destination(d_WAN); }; log { source(s_mysource); filter(f_CPL); destination(d_CPL); };