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--- installation_guide:debug:start [2022/04/25 20:24] – borja
+++ installation_guide:debug:start [2024/02/19 16:09] – [Monitor the file descriptors] borja
@@ Line 116: / Line 116: @@
 </code>
+==== Asterisk Manager traffic monitor ====
+Use the "ngrep" tool :
+<code>
+ngrep
+</code>
+<code>
+ngrep -d lo -s 1500 port 5038 -T
+</code>
 ==== Monitor memory/CPU ====
@@ Line 310: / Line 320: @@
 ==== 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 321: / Line 331: @@
 #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>
+==== Coredump generators ====
+Generate the threads stacks or a coredump file for the process (voximald) :
+<code>
+gdb -ex "thread apply all bt" --batch /usr/sbin/voximald $(pidof voximald) > /var/log/voximal/backtrace-voximald$(date +%s).txt
+gdb /usr/sbin/voximald $(pidof voximald) -ex "gcore /tmp/toto.core" --batch
+</code>