Once when running proftpd with configured users in a file, I noticed the following error:Continue reading “Solution “mod_auth_file/1.0: unable to use world-readable AuthUserFile /etc/proftpd/ftpd.passwd””
Once after installing the Mellanox ConnectX-3 Pro EN / HP 544+QSFP (764284-B21) network adapter into the HPE DL380 Gen10 server, I encountered errors in the /var/log/syslog file:Continue reading “Mellanox ConnectX errors “Could not join netdev: No space left on device””
For example, I will take an Intel XL710-QDA1 QSFP+ network adapter and a couple more with an Intel chip, for example, HPE 562SFP+, I will install them in an HPE DL380 Gen10 server running Ubuntu Server 18.04.Continue reading “Intel i40e driver update”
Once I noticed that new servers running Ubuntu Server 18.04 operating systems periodically send email notifications:Continue reading “How to disable “New release available” email notifications on Ubuntu”
In this article, I will provide an example of how to install and use Duplicity. Creation of full and incremental backups to local and remote servers.Continue reading “Installing and using Duplicity”
In 2018, I ran into a problem when the user ran out of money on the account, at midnight he turned off the billing, the user immediately made a payment, the money was debited and the service turned on, and at 1 am it was turned off again, because the billing system tried to withdraw the monthly fee again. I’ll just post a simple script here that allows you to receive email notifications with a list of users who made a payment at night between 00:00 and 01:01, so that later you can manually correct it.Continue reading “ABillS. Problem with payments between 00:00 and 01:00”
In this article, I will show examples of blocking MAC addresses in IPTables.Continue reading “IPTables. Blocking by MAC address”
openDCIM is a free PHP and MySQL web application for managing data center infrastructure.Continue reading “Installing openDCIM on Ubuntu”
I will give an example of setting up Quagga logging.Continue reading “Quagga. Setting up logging”
I will give an example of updating or installing Freeradius 3.0.21 from the source codes.
ABillS and Freeradius will work for me in the same operating system Ubuntu Server 18.04.