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Copy the default configuration file of log4j (provided with ONOS) inside the proper config folder
Code Block language text $ cp ~/onos/tools/package/etc/org.ops4j.pax.logging.cfg ~/onos/tools/package/config/org.ops4j.pax.logging.cfg
Edit the configuration file with the editor you prefer and modify it accordingly
Code Block language text # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # ################################################################################ # Root logger log4j.rootLogger=INFO, out, syslog, osgi:* log4j.throwableRenderer=org.apache.log4j.OsgiThrowableRenderer # CONSOLE appender not used by default log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d{ISO8601} | %-5.5p | %-16.16t | %-32.32c{1} | %X{bundle.id} - %X{bundle.name} - %X{bundle.version} | %m%n # Syslog appender log4j.appender.syslog=org.apache.log4j.net.SyslogAppender log4j.appender.syslog.layout=org.apache.log4j.PatternLayout log4j.appender.syslog.layout.ConversionPattern=%d{ISO8601} | %-5.5p | %-16.16t | %-32.32c{1} | %X{bundle.id} - %X{bundle.name} - %X{bundle.version} | %m%n log4j.appender.syslog.syslogHost=IP-OF-SYSLOG-SERVER log4J.appender.syslog.facility=KARAF log4j.appender.syslog.facilityPrinting=false # File appender log4j.appender.out=org.apache.log4j.RollingFileAppender log4j.appender.out.layout=org.apache.log4j.PatternLayout log4j.appender.out.layout.ConversionPattern=%d{ISO8601} | %-5.5p | %-16.16t | %-32.32c{1} | %X{bundle.id} - %X{bundle.name} - %X{bundle.version} | %m%n log4j.appender.out.file=${karaf.data}/log/karaf.log log4j.appender.out.append=true log4j.appender.out.maxFileSize=1MB log4j.appender.out.maxBackupIndex=10 # Sift appender log4j.appender.sift=org.apache.log4j.sift.MDCSiftingAppender log4j.appender.sift.key=bundle.name log4j.appender.sift.default=karaf log4j.appender.sift.appender=org.apache.log4j.FileAppender log4j.appender.sift.appender.layout=org.apache.log4j.PatternLayout log4j.appender.sift.appender.layout.ConversionPattern=%d{ISO8601} | %-5.5p | %-16.16t | %-32.32c{1} | %m%n log4j.appender.sift.appender.file=${karaf.data}/log/$\\{bundle.name\\}.log log4j.appender.sift.appender.append=true
Reconfigure the target ONSO ONOS nodes / deploy ONOS, as described in the users guide on the wiki.