Vyacheslav, Автор в IT Blog

SAMSUNG Galaxy M21 Hard Reset

I will give an example of resetting all settings and deleting user data on the SAMSUNG Galaxy M21 phone.

WordPress. There has been a critical error on your website

Once on one of the sites auto-update of plugins was enabled, and after automatic Jetpack update, the site stopped working and an error was displayed:

How I upgraded phpBB 3.3.5 to 3.3.9

I recently updated the phpBB 3.3.5 forum to version 3.3.9 on a server with Ubuntu Server, I will describe the upgrade process.

Installing Asterisk from source

In this article, I will give an example of installing Asterisk from source code, for example, I needed it to install a new version of Asterisk on Ubuntu Server 22.04, since Asterisk 18 was installed from the default repository, and there were no modules I needed by default, such as Voicemail.

Configuring Syslog on Juniper

I will give an example of setting up Juniper logging to the syslog server, for convenience, to view the logs of all devices in one place, and it will also be possible to disable logging to the device’s memory to save its memory.

Warning: Host-bound traffic for protocol/exception DHCPv4:bad-packets exceeded its allowed bandwidth

Once I noticed the following warnings in the Juniper MX204 logs:

SNMP OID for Cisco Nexus

For example, I will take Cisco Nexus 3064 (N3K-C3064PQ-10GX) and make a template for it in Zabbix, I will briefly describe the main SNMP OID/MIB that I used:

SNMP OID for Juniper QFX

I once wrote a Zabbix template for QFX5100 and will show some of the main SNMP OIDs that I used:

Setting up Syslog on MikroTik (RouterOS)

In this article, I will show an example of how to set up sending MikroTik logs to the Syslog server.

ABillS. Service status change script for tariffs with daily charge

Since in the ABillS bilingual system on tariffs with daily accrual, when the user has no money in the account, the status of the service does not automatically change to Too little deposit, and the customers are driven into a negative balance and then only turned off, I had to make a script from a SQL query and add it to Cron, as there were often cases when users complained that they were driven into a minus.