What is the loopback device and how do I use it? - Ask Ubuntu
Aug 12, 2019 · Explains what a loopback device is and provides instructions on how to use it effectively on Ubuntu systems.
What is difference between localhost address 127.0.0.1 and 127.0.1.1
Apr 6, 2016 · 127.0.0.1 is the loopback address, commonly known as localhost, which is the name that resolves to it by the local hosts file. This file is in different locations depending on …
how can I boot install iso from loopback in grub? - Ask Ubuntu
Oct 23, 2022 · Thus all the loopback devices created inside the grub are invisible to kernel. The kernel will reinitiate everything like it sees them the first time. The squash mount happens …
dnsmasq failed to start following update to ubuntu server 24.04.1 …
Sep 4, 2024 · I upgraded my ubuntu server from 22.04 to 24.04.1. Upon a reboot i saw that dnsmasq failed to start. I found that this was because it was sharing port 53 with systemd …
Grub command `loopback loop...` does not work on Ubuntu 19.10
loopback loop (hd0,gpt2)/ubuntu-19.10-desktop-amd64.iso ...grub hangs, there is no more output or activity on the terminal, and eventually the laptop fans spin up because the laptop gets hot.
What's the default /etc/network/interfaces? - Ask Ubuntu
For eth0 with dhcp: # The loopback network interface auto lo eth0 iface lo inet loopback # The primary network interface iface eth0 inet dhcp For eth0 static: # The loopback network …
networking - What is the difference between Pinging loopback …
Apr 10, 2015 · What I found was loopback tests whether the TCP/IP suite of our system is working properly or not and pinging our IP makes sure that NIC is working fine. This is okay …
NIC showing "unmanaged" - how to manage it? - Ask Ubuntu
Jan 4, 2025 · IDX LINK TYPE OPERATIONAL SETUP 1 lo loopback carrier unmanaged 2 enp3s0 ether degraded unmanaged 3 enp5s0 ether routable configured 4 enp0s31f6 ether off …
12.04 - How to add a loopback interface? - Ask Ubuntu
I want to add two more loopback interfaces. I used the following command: ifconfig lo: 127.0.0.2 netmask 255.0.0.0 up and type in ifconfig, i can see the loopback address was added. But if i …
networking - What is MTU on a network adapter and what …
May 30, 2023 · Here we can see that MTU of the loopback interface is 65536B, and 1500B for enp0s31f6, which is a Ethernet interface. It can be set using ip link set dev <interface> mtu …