Once I found the following messages in the dmesg log:Continue reading “Messages net_ratelimit: X callbacks suppressed”
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”
In this article, I will give an example of configuring OSPF in BIRD.Continue reading “Configuring OSPF in BIRD”
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”
For example, I will install BIRD on Ubuntu Server 20.04 and show an example of configuring BGP.
By default, processes use all the processor cores, but sometimes it is necessary to release the 0 core, which is usually the most loaded, or assign some processes only to the second CPU, etc., in this case, taskset will help.Continue reading “Taskset – bind process to CPU cores”
There is a possibility that on a highly loaded server, such as a proxy or router, with a very large number of connections, free ports in the allocated range may run out, so you need to look at the current number used and, if necessary, increase the net.ipv4.ip_local_port_range value.Continue reading “Increase the port range net.ipv4.ip_local_port_range”
In this article, I’ll show you how to clear outdated logs from Loganalyzer.Continue reading “Clearing Loganalyzer History”
In this article, I will give examples of setting up logs in BIRD.
In this article, I will give a simple example of setting up RPZ in Bind9.
RPZ (Response Policy Zone) allows you to block access to malicious and prohibited sites by domain name, IP address or network, block DNS servers.