Sometimes I experiment on virtual machines with Linux Ubuntu Server and in order to be able to connect to them by IP address, open VirtualBox, select the desired machine, open “Configure” – “Network” and see that in the “Adapter 1″ tab there is a standard tick on ” Enable network adapter “and” Connection type: NAT “is selected. It is necessary for the Internet to work on the virtual machine.
You can change to “Network Bridge” and the virtual machine will try to get IP in the same network as the physical computer, for example from a router, and will also be visible on the network.
How to configure Asterisk AMI
Asterisk Managment Interface (AMI) – a powerful API interface for Asterisk, allows you to manage, execute commands, receive notifications about events in real time, etc.
Continue reading “How to configure Asterisk AMI”How to configure IPTables
IPTables is a command line utility that is the standard interface for managing the firewall.
Continue reading “How to configure IPTables”IPTables rules for Asterisk AMI
Suppose the default “iptables -P INPUT ACCEPT” for all connections (and if DROP, which is very desirable, then we do not use all the DROP rules below, we only perform ACCEPT).
Since Asterisk AMI usually works on TCP port 5038, in order to open it we will execute:
Continue reading “IPTables rules for Asterisk AMI”Tracking file changes via Zabbix
I will give an example of checking the integrity of a file through checksum calculation using Zabbix agent.
Continue reading “Tracking file changes via Zabbix”How to solve the error “Unknown Object Identifier (Index out of range: XXX (ifIndex))”
Once I made a Zabbix template for drawing traffic graphs from GPON ports on Huawei SmartAX MA5683T.
From Linux, I looked at the interface indexes with the command:
Continue reading “How to solve the error “Unknown Object Identifier (Index out of range: XXX (ifIndex))””How to fix error 0x80070570. Windows can not install the necessary files
I met once when installing Windows the following error:
Continue reading “How to fix error 0x80070570. Windows can not install the necessary files”How to remove programs from startup in Windows
Remove programs from startup in Windows in the following ways:
Continue reading “How to remove programs from startup in Windows”Solution to the “VMapManager2: could not load” error
This error can be detected by the entries “VMapManager2: could not load …” in the Server.log file, as well as in the game world, the location of the characters is displayed as “Unknown” and, accordingly, some criteria related to locations are not fulfilled.
Continue reading “Solution to the “VMapManager2: could not load” error”Create and manage users on the Huawei SmartAX MA5683T
I will give below an example of some commands and their description for managing users who manage the device.
Continue reading “Create and manage users on the Huawei SmartAX MA5683T”