On the test, I will install the fprobe sensor, which will collect statistics from network interfaces and transmit it to the flow-tools collector.
Continue reading “Installing and configuring fprobe”Author Archives: Vyacheslav
UBIQUITI (UBNT) OID’s & MIB’s
Below is a list of possible OIDs and MIBs:
Continue reading “UBIQUITI (UBNT) OID’s & MIB’s”MySQL Error Solution: Can’t create table ‘tablename’ (errno: 150)
MySQL error: Can’t create table ‘tablename’ (errno: 150) can occur when you, for example, upload a backup and MySQL is powered to create table 1 which refers to table 2, which essentially does not exist yet. You can solve by inserting the lines at the beginning in the backup:
Continue reading “MySQL Error Solution: Can’t create table ‘tablename’ (errno: 150)”How to change user login in WordPress
To change the WordPress user login, you need to execute an SQL query to the database, since this cannot be done through the admin panel menu.
Continue reading “How to change user login in WordPress”How to Prevent WordPress Theme Updates
Once upon a time a free theme was activated on one site and a lot of changes were made in it, so that someone would not accidentally update it and not overwrite the changes, I did the following:
Continue reading “How to Prevent WordPress Theme Updates”How to allow all outgoing ports in CSF
Once on the same server running cPanel, CSF (Config Server Firewall) and LFD (Login Failure Daemon) I wanted to run the Speedtest CLI, but it did not start because it could not connect to the servers, I opened the CSF settings through the WHM panel (at the very bottom menu “ConfigServer Security & Firewall” – “Firewall Configuration”), where he discovered that only a few outgoing ports were open:
Continue reading “How to allow all outgoing ports in CSF”Installing and using Speedtest CLI
In this article, I will give an example of installing and running the Speedtest CLI.
Continue reading “Installing and using Speedtest CLI”Solution for Speedtest CLI error “Failed to find a working test server”
Once, when running the Speedtest CLI on one Linux server, I noticed the following error:
Continue reading “Solution for Speedtest CLI error “Failed to find a working test server””List and description of existing Wi-Fi frequencies, standards
In this article I will provide a list and description of existing Wi-Fi frequencies, standards.
Continue reading “List and description of existing Wi-Fi frequencies, standards”Automatic switching between backup channels on MikroTik (RouterOS)
Suppose there are two Internet channels, from different or one provider, the gateway can be the same, it does not matter. They are connected to the first and second ports.
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