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.
Author Archives: Vyacheslav
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.
Continue reading “BDCOM. How to reboot 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.
Continue reading “Displaying SNMP Traps 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.
Continue reading “Cable test on Huawei Quidway S2326”Creating a RAMdisk on Ubuntu
In this article I will give an example of creating a disk in RAM.
Continue reading “Creating a RAMdisk on Ubuntu”Solution Range ‘between -7 days and -1 days’ not understood
Once I set up logwatch, and I needed to set up sending logs not daily, but once a week.
Continue reading “Solution Range ‘between -7 days and -1 days’ not understood”Eltex MES2324 backup script
I will give an example of my script for backing up the configuration of the Eltex MES2324B switch and similar models.
Continue reading “Eltex MES2324 backup script”