Questions tagged [hostname]
A hostname is the label given to a device connected to a computer network.
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Kali Linux Hostname [closed]
I have tried to get rid of this space on my host name in my Kali box:
ehern㉿ kali-linux
I have tried to modify the /etc/hostname and /etc/hosts files with Vim and still the space before the host ...
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The hostname command outputs two IP addresses when one is expected
# hostname --help | grep ip
-i, --ip-address addresses for the host name
-I, --all-ip-addresses all addresses for the host
According to the above, -i should output just one IP address, ...
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ProxyPass return 404, but one name OK
Good day to all. I'll give you an example, I tried it
There are 2 entries for BalanceMember in /etc/hosts. Of course, don’t look at these virtual machines, it’s a black box. All requests return to 404 ...
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Installing systemd-resolved kills dns lookup
Update
After uninstalling and re-installing systemd-resolved, the issue seems to have righted itself. I do not understand why, but I did notice that the /etc/resolv.conf does not get modified after ...
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avahi-daemon runs with wrong hostname
I have a problem on one device where the avahi-daemon is running with the wrong hostname and it is messing up my system.
The hostname is ABC-100001 but when I check the process list it shows that
...
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systemd ignores /etc/hostname at startup
Our team works with a custom, barebone linux distro for an embedded device, and it uses systemd.
The system used to rely on SystemV init scripts until stuff got migrated to systemd (including network ...
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Howto change linux hostname on mounted (copied) drive
I have copied my headless Ubuntu 22LTS server to a backup drive with dd, and I want to deploy it as a backup server with the same relevant settings.
What is the proper way to change the hostname on ...
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How I can increase size of hostname from 64 to more characters in centos?
I want to set my centos instance hostname which is more then 64 characters
Example:
cent07-env07-ins01-xyz23-pro-dot-1692697882-b.dev.api.mywebsite. => 64 characters which is allow
But as per our ...
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password to linux changed after deleting/manipulation with ssh
Unfortunatelly I made mistake somewhere but can't get where. I had issues with ssh and github, tried different things and they didn't work. Later I decided .. i think.. moved file i balieve it was ...
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Mutt fails to send email
In my Azure ci/cd pipeline, I am executing tests on Ubuntu 20.04. At the end of the test, I created task in the azure pipeline , to send an email to team with attachment of test reports.
I am using ...
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Hostname problem in Host-based authentication when using SSH
Right now our team can connect to servers via SSH public key authentication.
Each team member has a private key on his PC in ~/.ssh/ and the public key is on the server in the authorized_key file.
A ...
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Cannot ssh into a host using hostname.local
When trying to ssh from terminal into my raspberry pi using: ssh [email protected] the connection just hangs forever.
When I ping [email protected], I get ping: cannot resolve [email protected]: ...
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Can't ping hostnames and IPv6 after router restart
This happened after a router restart.
(no idea if this is relevant but my Windows PC also reverted the DNS settings to an old local server I tested)
I noticed the issue when I ssh'ed to my homelab ...
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398
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Broadcast multiple hostnames on LAN
I have a home server set up to which I have assigned multiple IPs. The network is 192.168.196.0/24, and all the IPs from 130 to 139 are assigned to the same device (the home server). In that server, I ...
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How do I access device using hostname that is hosting an access point?
I have an embedded linux device hosting an access point, I set it up like this:
sudo apt install dnsmasq-base -y
nmcli connection add type wifi ifname wlan0 con-name access_point autoconnect yes ssid ...
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ssh caches host names?
I changed a host address in /etc/hosts and it is definitely working because if I do ping [hostname] then the correct address is pinged.
However, when I run ssh [hostname] I get the OLD host address. ...
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Cannot resolve local sub domain on network
I have a raspberry with a dnsmasq server installed (via NetworkManager). I need to be able to resolve *.raspberry.local on my local (private) network.
Here is my config :
In /etc/NetworkManager/...
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Ubuntu: Broadcast CNAMES/Alias to the router/ DHCP server/ DNS server
I am trying to build a portable home server with a Intel NUC. My requirement is to plug my NUC to any of my friends or relatives router and with minimal configuration, preferably no configuration, be ...
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Cannot SSH with hostname on a Raspberry Pi
I'm trying to configure my Raspberry Pi using Ansible and the first thing that I did was to change the hostname in the /etc/hosts file via Ansible and I was able to do that. After running my Ansible ...
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sudo: unable to resolve host debian: Name or service not known. I've already set host name in /etc/hostname and /etc/hosts but it keeps changing?
Hello Linux community.
I have a VPS service bought from Vultr, so this is not some home standalone PC with Linux installed on it. I have to deal with all this obscure Control Panel setup they "...
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Domain Name as IP Abstraction vs. Domain Name as Name of Server - /etc/host{s,name} - Why?
A domain name is an abstraction for an IP address. Regardless of which computer is at that IP, the domain name should point there. So why then do we associate a domain name with a computer using the ...
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echo ${hostname}; vs echo $(hostname);
Could you please explain the difference between:
echo ${hostname};
and echo $(hostname);
echo ${hostname}; - shows nothing, just an empty line.
echo $(hostname); - shows information from /etc/hostname....
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Command prompt write a command
its asks me to
Store the output of the command “hostname” in a variable. Display “This script is running on _.” where “_” is the output of the “hostname” command.
how can I do that
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Multiple hostnames for a single IP address in local network
I'd like to know if it is possible to have multiple hostnames for a single IP address in my local network, so that all hostnames point to the same IP-address (kind of an alias)
Example:
name ...
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1
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Using hostname output in linux with sed
I am trying to use part of the hostname output in Linux and use it in a file using sed. For example, I am using this command as
hostname | tail -c 4 which shows me output as last 4 numbers and then ...
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WiFi router assigning different hostname despite sending gethostname()
For some reason my wifi router is assigning an altered hostname to my linux device.
The hostname on my device is for example shserver2, my CLI login shows me@shserver2: and my /etc/hostname file ...
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finger daemon / nc fowarding error
For an assignment I'm trying to properly send a buffer overflow exploit with ncat in order gain root access on a vulnerable machine set up by the professor. I feel I created my egg right but I keep ...
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rsync fails to work with -o StrictHostKeyChecking=no option
Below rsync works and helps copy remote directory to localhost
/bin/rsync -rv myremoteuser@myremotehost:/tmp/Deployments/ /web/playbooks/automation/getfiles/tmpfiles/4/E5EA787E/myremotehost/
Once i ...
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associate IP with hostname without editing /etc/hosts
I know I can associate hostname with my IP address in /etc/hosts:
1.2.3.4 foo
and then, for example in tcpdump output, I will see foo instead of my IP address (if -n was not used)
Anyways, can I ...
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How to get VirtualBox web server to use a public domain name?
Here's the situation:
CentOS 7 x64 latest is installed in VirtualBox on my PC.
Webmin is installed and port forwarded through VirtualBox so I can access the Webmin interface on the host PC. So the ...
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Can't ping or DNS resolve the EndeavourOS machine
I just installed EndeavourOS. I set my hostname using the command sudo hostnamectl set-hostname shuttle. When I try to ping shuttle from my other machines it is not able to resolve the IP address. I ...
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NetworkManager: on multihomed client specify which interface should provide DHCP hostname
Environment:
Many RHEL8 machines, running a default NetworkManager config.
Two main networks: on both, DHCP supplies usual info including hostname.
Most hosts are single-homed on either one network ...
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2
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Joining hosts to freeIPA without changing hostname
I've been asked to join linux hosts in my company to freeIPA. But the problem is that I'm not allowed to change hostnames. So I should leave hosts NetBios names intact.
I am wondering if there is any ...
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Instead of a single hostname specified on the command line, it reads in a list of multiple target IP addresses from a file
I want to make it so that instead of a single hostname specified on the command line, it reads in a list of multiple target IP addresses from a file.
#!/bin/bash -
# bannergrab.sh
function isportopen (...
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DNS Hostname resolv problem
My linux server that i set up earlier won't resolv by hostname :
i can't access on ssh or on website (port 80,8834) via the hostname but only via IP
my /etc/hosts file is well configured i think :
127....
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Empty hostname (sethostname)
For some unrelated reason I want to set the hostname of a Linux machine to an empty string using the sethostname system call.
#include <unistd.h>
int main()
{
sethostname("", 0);
...
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hostname and /etc/hosts
On a server I have had issues with sudo saying
sudo: unable to resolve host
Now I don't know if this is related but someone else has modified
/etc/hostname
but not
/etc/hosts
so that the new ...
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Set arbitrary or random computer name when connecting to public wifi
I am not sure about the correct terminology of what I want to achieve. Here is a hand-waving description:
When connecting to a (usually) public WIFI spot, I want that spot to not know my computer name ...
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Debian net install to preseed hostname and domain name
Basically the opposite of Debian preseed: How to force prompt for hostname and domain?
With the new Debian bullseye release, the net install is asking me for hostname and domain name. How to preseed ...
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How can docker communicate to other hosts in local network using hostnames?
I have two computers in the same network with below hostnames and IP address(Dynamic IPs):
host1.local - 10.0.0.11
host2.local - 10.0.0.12
host1 is running Docker with default configuration.
...
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What exactly does "sudo hostnamectl set-hostname NEW_HOSTNAME" change?
Just want to understand exactly what sudo hostnamectl set-hostname NEW_HOSTNAME is doing.
Surely it does something other than changing the value inside /etc/hostname?
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$HOSTNAME mismatch
There are two different version of hostname on my system. This is a problem when trying to use wget against $HOSTNAME, which differs from what is expected.
[user@box ~]# wget https://$HOSTNAME/login....
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How to use hostname rather than IP address for website
I've set up a VirtualBox VM which has an apache webserver running. I've created a webpage and I can navigate to it via the IP address on devices in the lan. However I want to use a hostname rather ...
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My macOS hostname changed randomly should I be worried?
My hostname on my macOS 11.5 changed from MacBook-Pro-username to DESKTOP-NMO2G92 without me changing anything
Should I be worried? aka malware etc
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sudo command showing delay after using hostnamectl to set hostname
I've got a system - accessible over local network but not connected to the internet. I'm facing issues when changing the hostname of this system. I know that changing hostname is a two step process:
...
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Why is my computer sometimes assigned two internal IP addresses?
I run Debian 10 and sometimes when I start the computer the output of hostname -I has three entries:
$ hostname -I
192.168.0.13 192.168.0.2 fdaa:bbcc:ddee:0:d69a:20ff:fef8:dca8
Sometimes it has one ...
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How is the LAN IP connected to the machine name?
I can't find how/where the LAN ip is connected to my machine name such that anyone typing the machine name (host name) will be directed to the IP. I know the machine name is under /etc/hostname/ but ...
user390930
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Root cannot install packages in rescue or chroot plus service errors
I am using Arch linux.
Currently, I am having the trouble of:
User Login Management failed
User Login Management failed
User Login Management failed
User Login Management failed
Kernel Module drm ...
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0
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Different hostnames, same configuration
I set up two Ubuntu 20.04 servers to run Pi-hole for my home network. One is running on a Raspberry Pi 4 and the other is virtual. Both are running Ubuntu Server 20.04.
lsb_release -a
Distributor ID: ...
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How to setup a .local Wifi hostname to SSH in a Linux system?
I SSH to my Raspberry Pi's wifi via ssh raspberrypi.local, simply done by adding the following code in a file named wpa_supplicant.conf
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
...
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