Questions tagged [linux-networking]

Linux Networking refers to any networking function performed by a server running Linux. A Linux server operating as a router or firewall are the most common applications.

Filter by
Sorted by
Tagged with
0
votes
0answers
16 views

Netplan fails to bring up VLANs

I'm trying to have a properly configured Ubuntu 20.04 server network at boot. I have an physical interface connected to a trunk so I want to define some vlan tagged interfaces on it. I'm using netplan....
0
votes
0answers
18 views

Linux networking + mix of auto-negotiation of yes/no

we have 10 servers with Advertised auto-negotiation: yes as Supported ports: [ FIBRE ] Supported link modes: 10000baseSR/Full Supported pause frame use: Symmetric Supports auto-negotiation: Yes ...
1
vote
2answers
59 views

How to use ss in specific network namespace

Whilst investigating some TCP network issues in containers I tried to use ss to peek into container network TCP stack. We are running Amazon Linux in AWS: # uname -a Linux 4.14.173-137.229.amzn2....
0
votes
0answers
18 views

Deploying Bastion Host

I am trying to setup a bastion host for my online infrastructure. All my servers will be using public key for authentication. Currently I am able to connect to my bastion host using public key but I ...
0
votes
0answers
33 views

How to investigate TCP memory leak

We are running a medium size AWS EKS cluster (~120 kubelet nodes) running mostly Go services. The services deployed in the cluster are quite busy, handling millions of calls per hour. Each kubelet ...
0
votes
1answer
23 views

is it ok to combine one machine with network driver ixgbe and other machine with network driver i40e

we have two rhel server redhat 7.6 and redhat 7.2 on the first server 7.2 , the network driver is driver: ixgbe on the second server rhel 7.6 the network driver is driver: i40e dose redhat Linux ...
1
vote
2answers
45 views

How to restrict an SSH tunnel with SOCKS v5 to only a certain outbound IP address on an SSH server? (Debian)

I do find a lot of information of how to limit incoming access to certain IP addresses, but not do do it on the other side, the outbound side. When i have a SOCKS 5 Proxy. I'm primary looking for a ...
-1
votes
1answer
50 views

Are Dell parts compatible with non-Dell hardware?

I could not find the answer... I'm about to buy this piece: https://www.dell.com/pt-br/work/shop/intel-x710-10gb-sfp-mezzanine-adaptador-e-porta-dupla-da-dell/apd/555-bdpg/equipamentos-de-rede Will ...
-1
votes
0answers
16 views

How to achieve this setup? Client -> VPN -> Whonix-Gateway -> Internet

i have a server running different services, one of them is a openvpn host. Since i dont want to boot up the whonix gateway and workstation localy i thought about connecting via my own vpn to my own &...
0
votes
1answer
27 views

What tools do you use to manage your Linux Server?

I'm a starter, just started using a VPS (headless Ubuntu server 20.04), I was wondering what tools are the most relevant for configuring, managing, monitoring Linux Servers. And maybe also some Tools ...
0
votes
1answer
62 views

How to start failed network.service in debian 9

> /etc/init.d/networking status ● networking.service - Raise network interfaces Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor preset: enabled) Active: failed (Result:...
2
votes
1answer
72 views

Reading back Linux gre[tap] local/remote address

With iproute2 on Linux, gre/gretap interfaces are setup with ip link add, which for GRE needs remote and optionally local attributes specifying the endpoints. However, I can't find any way to read ...
-1
votes
0answers
21 views

How can i change my default gateway from the terminal/inside python script ( Linux , Raspberry pi OS )

So I've been struggling with changing the default gateway address in my Virtual Machine . I'm using Raspberry Pi Linux (Distribution : Debian ) I will try to list as much details as possible and sorry ...
0
votes
0answers
40 views

【Troubleshooting and Questions】Kubernetes Pod-to-Pod Communication Cross Nodes

Troubleshooting Pod-to-Pod Communication Cross Nodes Prerequisite: I use VirtualBox to setup 2 VMs. VirtualBox version is 6.1.16 r140961 (Qt5.6.2). The OS is CentOS-7(CentOS-7-x86_64-Minimal-2003.iso)...
0
votes
0answers
20 views

apr_socket_recv: Connection reset by peer (104) with ab stress test

I've been testing the AB on a server at Digital Ocean for multiple concurrency using mpm_worker as the thread controller. mpm_worker config The AB has the error message: apr_socket_recv: Connection ...

15 30 50 per page
1
2 3 4 5
181