Архивы Linux - Page 34 of 59

Setting up BGP in Quagga

AS – Autonomic System.
BGP – Border Gateway Protocol.

You can install quagga in Ubuntu/Debian with the following command:

Solution ZEBRA: netlink-listen recvmsg overrun: No buffer space available

Once on the server with Quagga after adding several thousand network interfaces, I noticed a message in the logs /var/log/zebra.log:

ZEBRA: netlink-listen recvmsg overrun: No buffer space available

Setting up nginx logs

I will give examples of setting logging for nginx.

To change the log settings, open the nginx configuration file in any text editor:

Check hardware information on Linux

Below is an example of some commands for viewing information about a computer in Linux.

How to view information about the network adapter in Linux

I will give examples of commands for viewing information about a network adapter in Linux.

How to install Midnight Commander (MC) on Ubuntu 18.04

Once after installing Ubuntu Server 18.04, when trying to install Midnight Commander, a message was displayed that the package for installation was not found.

To solve the problem, you need to add the Universe repository:
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Installation and information about Midnight Commander on Linux

To install Midnight Commander in Ubuntu/Debian, just run:

Speed limit on network interface using TC

I will give an example of a speed limit of up to 3.3 Gb/s on a network interface on Ubuntu Server 16.04:

/sbin/tc qdisc del dev ens2f0 parent ffff:
/sbin/tc qdisc add dev ens2f0 handle ffff: ingress
/sbin/tc filter add dev ens2f0 parent ffff: protocol ip prio 50 u32 match ip dst 0.0.0.0/0 police rate 3300mbit burst 330k mtu 30000 drop flowid 1:0

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nload – monitoring network interface bandwidth

nload – network interface bandwidth monitoring tool with graphical display in the terminal.

Creating dummy interfaces on Linux

I will give an example of creating dummy interfaces in Linux.
On the test I use Ubuntu Server 16.04.

The first thing you need to load the module “dummy”, you can also add the option “numdummies = 2” to immediately create two dummyX interfaces:
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