Vyacheslav

FreeRadius. error solution rlm_sql_mysql: Couldn’t connect to MySQL server

Once I installed FreeRadius 3.0.23, by the way I described the process in the article: ABillS. Installing Freeradius, and optimized some parameters of the MySQL server, after which FreeRadius stopped starting and I saw errors in the logs:

Asterisk. MP3 for Music on hold (moh)

In this article, I will provide an example of setting up MP3 for Music on hold (moh) in Asterisk.

Cisco Nexus 3000 Series NX-OS Fundamentals Command Reference

Size: 1.74 Mb
Format: PDF
Language: English
Last modified: July 2016

How to prevent Windows 10 from updating the driver

Once in one organization, old cash registers were used that were connected via COM port emulators and after automatic Windows updates, a new version of the COM port emulator driver was installed, after which it was displayed with an exclamation mark and stopped working, so it was necessary to prohibit the driver update.
Windows Pro and Enterprise have the ability to block driver updates through the Group Policy Editor (gpedit.msc). In this article I will show you how to do this.

Changing max_allowed_packet in MySQL

max_allowed_packet is the maximum size of data that can be transferred in one request. Increase the value when the “Packet too large” error occurs so that the connection is not interrupted.
The default value for MySQL client is 16 MB, for MySQL server 64 MB.

BDCOM. How to reboot ONU

For example, I will telnet to the BDCOM P3310C and reboot the ONU.

Performance Tuning Guidelines for Mellanox Network Adapters

Title: Performance Tuning Guidelines for Mellanox Network Adapters
Format: PDF
Revision: 1.17
Size: 901 KB
Language: English

User manual Eltex MES53xx, MES33xx, MES35xx, MES23xx

Name: Eltex Operation Manual
Format: PDF
Version: 1.25 (30.04.2021)
Size: 8.52 MB
Language: Russian

Displaying SNMP Traps about Loop Detect in Zabbix

In this article, I will give an example of SNMP Traps display about Loop Detect in Zabbix.

Cable test on Huawei Quidway S2326

I will give an example of commands for testing a cable on Huawei Quidway S2300 switches.