Differences

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--- installation_guide:debug:start [2022/10/20 07:32] – [Powerful SIP traffic monitor] borja
+++ installation_guide:debug:start [2025/11/21 23:51] (current) – [View the traces flow] borja
@@ Line 27: / Line 27: @@
 <code>
 root# tail -f /var/log/voximal/debug.log | ccze -A
+</code>
+With remove/reset log content :
+<code>
+root# > /var/log/voximal/debug.log ; tail -f /var/log/voximal/debug.log
 </code>
@@ Line 320: / Line 325: @@
 ==== Set the right TimeZone ====
-Install the NTP package to synchronize your server to the world'stime.
+Install the NTP package to synchronize your server to the world's time.
 <code>
@@ Line 331: / Line 336: @@
 #timedatectl set-timezone Europe/Paris
 </code>
+or automatically,
+<code>
+#dpkg-reconfigure tzdata
+</code>
+==== Monitor the file descriptors ====
+List the file descriptors used by a process :
+<code>
+# ls -l /proc/[PID]/fd
+</code>
+==== Generate a CallStacks or Coredumps ====
+Generate the threads stacks or a coredump file for the process (voximald) :
+<code>
+gdb -ex "thread apply all bt" --batch /usr/sbin/asterisk $(pidof asterisk) > /var/log/voximal/backtrace-asterisk-$(date +%s).txt
+gdb -ex "thread apply all bt" --batch /usr/sbin/voximald $(pidof voximald) > /var/log/voximal/backtrace-voximald-$(date +%s).txt
+gdb /usr/sbin/asterisk$(pidof asterisk) -ex "gcore /tmp/asterisk-$(date +%s).core" --batch
+gdb /usr/sbin/voximald $(pidof voximald) -ex "gcore /tmp/voximald-$(date +%s).core" --batch
+</code>
+==== Execute the Asterisk with GDB (debugger) ====
+Launch the Asterisk process with the debugger (gdb) :
+<code>
+gdb -ex=r --args asterisk -cvvvvvv -U asterisk -G asterisk
+</code>
+==== Attach the GDB (debugger) to the Asterisk ====
+Launch the debugger process and attach to the running Asterisk :
+<code>
+gdb /usr/sbin/asterisk $(pidof asterisk) -iex "set pagination off" -ex cont
+</code>