One day they sent me an Intel XL710-QDA2 network adapter, from the manufacturer Silicom, on which the firmware could not be updated.
Continue reading “Silicom Intel XL710 firmware not updating”BIRD BGP: Unexpected connect from unknown address
Once I set it up on a new BIRD server and noticed entries in the logs:
Continue reading “BIRD BGP: Unexpected connect from unknown address”How to see Wi-Fi password on MikroTik
If you look at the password in the Wireless – Security Profiles menu in RouterOS, then it is hidden behind the symbols and can only be changed, so I will show an example of how you can see it.
Continue reading “How to see Wi-Fi password on MikroTik”Messages net_ratelimit: X callbacks suppressed
Once I found the following messages in the dmesg log:
Continue reading “Messages net_ratelimit: X callbacks suppressed”Solution write error: Value too large for defined data type
Once I manually bind the interrupts of the Intel network adapter to the processor cores and ran into an error:
Continue reading “Solution write error: Value too large for defined data type”Configuring OSPF in BIRD
In this article, I will give an example of configuring OSPF in BIRD.
Continue reading “Configuring OSPF in BIRD”How to run Zabbix-agent as root
I once added user options to the Zabbix agent configuration and they needed to access files that could only have root permissions, so I had to run Zabbix-agent as root.
Continue reading “How to run Zabbix-agent as root”Renaming Network Interfaces in Linux
Once, after updating the i40e driver for Intel network adapters, I noticed that the names of the network interfaces had changed, and after rebooting the operating system, the names also periodically changed.
Continue reading “Renaming Network Interfaces in Linux”Script to bind Intel NIC interrupts to processor cores
I will give the script code from Intel to bind interrupts of Intel network adapters to processor cores, and also show examples of its use:
Continue reading “Script to bind Intel NIC interrupts to processor cores”Installing and configuring BIRD (BGP)
For example, I will install BIRD on Ubuntu Server 20.04 and show an example of configuring BGP.