Linux – IT Blog

Solution Registration failed due to STUN server (DNS resolving or connection) error (59) Zoiper

Once I installed the Zoiper application on the iPhone to connect to the telephony server and found an error:

Installing Jenkins on Ubuntu

For example, I will install Jenkins on Ubuntu 20.04

Setting up SIP Trunk in Asterisk from Kyivstar

I will give an example of setting up a SIP Trunk in Asterisk from Kyivstar. Once it was necessary to increase the number of incoming lines, at first I used Goip4 gateways and 6 Kyivstar SIM cards, but when all the lines were busy, the clients could not get through, even hear the answering machine / voice menu, so I signed a contract for SIP Trunk with the Kyivstar manager.

How to change file date in linux

Once on one TFTP server, to which my scripts downloaded backups from network equipment, it was necessary to clean up files older than 200 days so that the disk system memory does not overflow, I used the command to clean up:

ABillS. Mass shaping of speed in case of accidents

In this article, I will give an example of how you can massively reduce the speed of users in the ABillS billing system.

Checkbox setup (software PPO) in ABillS

I will give an example of setting up a software PPO Checkbox in the ABillS billing system.

Solution “SMTPUTF8 is required, but was not offered by host”

Once on one mail server I noticed a message delivery error:

Undelivered Mail Returned to Sender
SMTPUTF8 is required, but was not offered by host

Category Archives: Linux