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Author Archives: Vyacheslav
Asterisk Call Forwarding
Let me give you an example of setting call forwarding in Asterisk.
For example, on Grandstream IP phones, you can enable redirection by the functions of the phone itself, but if the phone is far away and there is no way to do it on it, but it is possible to log in using the SIP number of this phone, then to activate call forwarding, you can make a voice menu when dialing a certain number, for example, *21 to activate call forwarding and enter the phone number to which calls will be forwarded, and *22 to cancel call forwarding.
Installing and configuring fprobe
On the test, I will install the fprobe sensor, which will collect statistics from network interfaces and transmit it to the collector.
Continue reading “Installing and configuring fprobe”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””