debug – IT Blog

Juniper. monitor traffic examples

The “monitor traffic” command allows you to view the packets or their headers that pass through the routing module, which is very useful for diagnosing various problems.

Debug on Cisco

In this article, I will give an example of configuring and viewing debug information on Cisco switches. For an example and a test, I will take a Cisco Catalyst 6509-E switch.

Process monitoring through strace

I will give an example of running the strace utility, which allows you to track what a process or command is doing at a given moment.

Installing Rsyslog + Loganalyzer + MySQL

I will give an example of installing and configuring Rsyslog + Loganalyzer + MySQL.

Detailed logs in Samba

I will give an example of setting up detailed logs of Samba, the logs can save the client’s IP address, its action, the hostname, as well as many other debugging information.

ZyXEL Debug CLI

I will describe the possible console commands in Debug mode (Debug mode is enabled when ZyXEL devices are turned on).

Accel-ppp debug

I will give an example of accel-ppp build with debugging information support, for example, in order to find out the cause of the crash.

How to enable USB debugging on Android

To enable USB debugging in the Android operating system, you need to open “Settings” – “Developer options” and tick “USB Debugging“.
If this menu is not available in the settings, you need to open “Settings” – “About Phone” and tap (touch) the item “Build number“, then the “Developer Options” item should appear in the settings.

USB debugging mode allows you to work with the device using the ADB utility, install and uninstall programs via ADB, view debug messages, be able to get root rights (full access to the operating system), etc.

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