Questions tagged [hostname]
A hostname is the label given to a device connected to a computer network.
318
questions
0
votes
1answer
13 views
How do I assign a hostname to a dynamic IP address assigned by DHCP?
On my home network, the IPv4 address changes regularly, probably because when my computer got turned off, another computer was assigned to the same address so when I started my computer, there was an ...
0
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0answers
10 views
How to intercept hostname changes in order to update IP based on DHCP IP plan
We're using Rancher for the provisioning of Kubernetes clusters using a VMWare vCenter integration whereas Rancher interacts with the vCenter API in order to provision the Kubernetes nodes.
The ...
1
vote
2answers
54 views
Difference between bash $HOSTNAME and tcsh/zsh $HOST
Is there any difference between bash's $HOSTNAME and zsh's $HOST?
If no, is there a historical reason for bash to chose the $HOSTNAME variable when tcsh and zsh use $HOST?
1
vote
1answer
53 views
How to update the hostname automatically?
When out system starts up, the default hostname is 'system', the login prompt is like this:
sytem login:
And now there is an application running and will set the hostname as system_<mac address>...
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0answers
26 views
Create VM from template , Hostname issue
I created a VM from RHEL ISO Fle, and followed some steps to cleanup nic details and also inserted a systemd script to create machine id. Converted VM to template, However when i spin a new VM with ...
0
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0answers
22 views
FQDN not persisting on server reboot
I am trying to set up the hostname for my new Ubuntu 18.04 server using the following command:
hostnamectl set-hostname foo.example.com
And adding the following line to /etc/hosts
12.34.56.78 foo....
0
votes
1answer
40 views
Accessing a Linux system inside a network: is it via hostname or netbios name?
Assuming a Linux system has both hostname (/etc/hostname) and NetBIOS (/etc/samba/smb.config) enabled. My questions are:
Are these 2 names synchronized somehow by default settings? (for example, ...
0
votes
1answer
58 views
Special characters don't work in bashrc
I've been looking to a tutorial on how to customize my terminal.
When I try to customize the PS1 into something like
PS1="\u@\h \W -> "
export PS1;
After I source the file in the terminal, ...
1
vote
1answer
45 views
Fedora changed hostname
I am running Fedora 31 and Windows 10 on my Lenovo laptop. Everything has been running smoothly between the two systems for over half a year now, but turning on my machine today I was shocked to find ...
0
votes
1answer
53 views
hostname -d returns nothing
I've RHEL 7.5 machine and when I hit hostname -d to get domain it returns nothing.
Also hostname -f, to return long host name returns name without domain.
Please help me to understand what changes I ...
0
votes
1answer
25 views
Why adding hostnames to /etc/hosts entries change the website viewed
Ippsec does a lot of hackthebox boxes walkthroughs and in many of them he edits the /etc/hosts file.
Sometimes he adds multiple hostnames to the same ip address and when he browses those hostnames he ...
0
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0answers
27 views
How to access an Angular App created on CentOs7 in a Windows 10 VM?
I created an angular app in CentOs7 and was able to open it in a web browser in my CentOs7 VM using http://localhost:4200/. I need to be able to access it my Windows 10 VM, but when I tried changing ...
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0answers
33 views
Updating of GNU screen's hardstatus hostname
According to the Gnu screen user's manual, one can set the "hostname of the system" with hardstatus string "%H".
Changing via ssh into another system while in a screen session, the hostname is not ...
0
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0answers
40 views
How to best make systemd service wait for the hostname to be set to something other than localhost?
I have a daemon process named my_daemon that will behave oddly if it starts before the system's hostname has been changed from "localhost" (or any variant therefore) to the machine's intended ...
0
votes
1answer
86 views
hostname --fqdn on Azure Ubuntu server has unique domain name ending in .internal.cloudapp.net. How to change to my own domain?
I have added my first Azure server for production use on my domain. Azure assigned a domain name in their DNS, I created a CNAME entry in my domain to forward there. Works great.
When I enter the ...
0
votes
1answer
15 views
Intermittent issue connecting to application server via Hostname
I use putty to connect to my application servers, but many times I face issue in connecting to the server via hostname. The error message says, 'Unable to open connection to my_hostname Host does not ...
0
votes
1answer
37 views
Is it possible to hook into hostnamectl?
Let's say I want to run a script when the hostname is change on a machine with hostnamectl set-hostname NAME
Is there a way to hook into this? How would I go about doing it?
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0answers
7 views
Setting “datastream_hostport”
First off I'm new to all this, so apologies if this question has already been asked. I have multiple computers working over a network, more specifically one computer will be responsible for running ...
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2answers
44 views
Hostname overrided after Reboot even after making entry in /etc/hostname
I have cloned a KVM vm from one host to other host, I tried to rename the hostname and it's been renamed. But after reboot still it goes to old name.
hostnamectl command output
Static hostname: ...
0
votes
1answer
262 views
/etc/hosts and aliases
I puchased a domain, say fireworks.com, and I would like to call my server ubuntu-18-04. How am I expected to edit /etc/hosts?
Is it possible to add multiple aliases as follows?
127.0.0.1 ...
1
vote
1answer
2k views
hostnamectl shows error: “Failed to create bus connection: No such file or directory”
When I try to set hostname with an ansible module, I get
TASK [set hostname] **************************************************************************************
fatal: [10.1.38.15]: FAILED! => {...
3
votes
1answer
384 views
why host from bind9-host is/was deprecated and when?
I was looking at bind9-host
shirish@debian:"04 Jan 2020 15:48:02" ~$ aptitude show bind9-host=1:9.11.5.P4+dfsg-5.1+b1
Package: bind9-host
Version: 1:9.11.5.P4+dfsg-5.1+b1
State:...
1
vote
1answer
350 views
How can I know the hostname of an Android phone for use in SSH connection? [closed]
When setting up public key authentication on SimpleSSHD server on my Android phone, by http://www.galexander.org/software/simplesshd/
Quick start
Install SimpleSSHD.
On any computer which ...
12
votes
2answers
949 views
How can you determine the hostname associated with an IP on the network?
How can you determine the hostname associated with an IP on the network? (without configuring a reverse DNS)
This was something that I thought was impossible. However I've been using Fing on my ...
1
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0answers
91 views
Manjaro Update Error
I'm on Manjaro since 1 year now and since two months I'm in China, without stable network to do any update. Yesterday, I ran "pacman -Syu" the update face fine, no errors. But when I reboot, I noticed ...
1
vote
1answer
319 views
zsh ssh autocomplete Host instead of Hostname from ~/.ssh/hosts
Is there a way I can massage my ~/.zshrc to make the ssh auto-completion autocomplete for the Host, not the Hostname?
I have an entry in my ~/.ssh/config that looks like this:
Host staging-rfc ...
0
votes
0answers
18 views
nslookup ip query
I am member of the domain at work, and we have our local DNS resolver.
Sometimes I'd like to know the hostname of a specific IP, so I run the IP through nslookup which uses our domain-controller/DNS ...
0
votes
1answer
278 views
`hostname` result is different from “/etc/hostname”! [duplicate]
If I open a terminal windows in my graphical user interface, hostname command result is different from content of /etc/hostname:
me@ZyXEL1:~$ hostname
ZyXEL1
me@ZyXEL1:~$ cat /etc/hostname
N4010
me@...
0
votes
1answer
274 views
Gentoo: how to set hostname for local network?
I'm used to debian/raspbian, setting the hostname for a computer is easy as:
/etc/hostname:
my-computer
and
/etc/hosts:
127.0.0.1 localhost
::1 localhost ip6-localhost ip6-loopback
ff02::1 ...
0
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0answers
41 views
Renaming a Debian host via script: Need my work checked
Just want to make sure I've covered all the bases (not counting domain names). As far as I can tell, everything is working.
#!/bin/sh
# Needs 1 and only 1 argument
if [ "$#" -ne 1 ]; then
echo "...
0
votes
1answer
193 views
Output remote hostname in sshpass session
I have created a shell script to connect to a list of servers using sshpass and run a list of about 30 commands. An extract of the script is below.
The script will wget a new config file, but then I ...
1
vote
2answers
917 views
$(hostname) doesn't work in cronjob
I have a simple backup script with this line to come up with a name for the backup:
backup=$(/bin/date +'%Y-%m-%d_%H:%M_%S')_$(hostname).gz
It works great when I run it under the root user. ...
1
vote
1answer
121 views
Fedora 30's computer name changed during usage, but I can't change it back
I have recently installed Fedora 30 on a new laptop. When I had set it up, my hostname, as seen in the command prompt, was set to simply 'fedora'. At some point during the last month of usage the ...
2
votes
1answer
792 views
SSH is unable to resolve local domain names
I'm trying to connect to several computers via their hostnames since they get their IP via DHCP. I can successfully ping the machines via ping host-01.local.
ping, wget, avahi-resolve and even ...
0
votes
1answer
29 views
How to make Wordpress independent of hostname
I set up a basic Wordpress installation (on a Raspberry Pi running Raspbian Stretch - Debian 9) using NGINX.
Recently I changed the hostname of my system (as part of a plan to ensure consistent ...
0
votes
1answer
252 views
dnsdomainname and hostname -f does not return FQDN
I have one box (Rasberry Pi, running rasberian) with a static IP. It's running in a network with a domainname, and I have several DNS-server set up.
However, I can not get FQDN name to work on this ...
0
votes
0answers
19 views
Sendmail Hostname error
We recently changed hostname on our Fedora server to xyz
and Sendmail logs report like: July 08 00:06:36 xyz sendmail[20506]:
That's fine. But we changed the hostname back to abc but the sendmail ...
1
vote
1answer
58 views
How scp between two Oracle Linux machines with localhost.localdomain hostnames
How to scp between two Oracle Linux 7.6 machines on virtualbox that have the hostnames localhost.localdomain
scp -r test.txt oracle@localhost:/home/oracle/Desktop/ isn't working.
When I changed the ...
0
votes
0answers
2k views
Temporary failure in name resolution
I upgraded both my computers from Mint 17.2 to 19. I no longer have hostname resolution. I cannot ssh or use ssh pass with a hostname as well as ping with hostname.
So it would seem hostname ...
1
vote
1answer
1k views
Why does “hostname -i” return “Unknown host”?
We have created an AWS EC2 instance using AMI type Amazon Linux AMI 2018.03.0.20190514 x86_64 HVM.
After we started up the instance, our software printed out an IP address error. When we tried ...
4
votes
1answer
880 views
Bash prompt takes only the first word of a hostname before the dot
I configured my machine as the following hostname ( in reshat 7.2 )
digi.master01.usa.com
but my prompt is like this
[root@digi ]#
while we want
[root@digi.master01 ]#
any idea how to change ...
2
votes
2answers
1k views
NetworkManager interferes with hostname configuration
I'm running an arch system with KDE4/Plasma, wpa_supplicant, networkmanager, systemd ...
# cat /proc/version
Linux version 5.0.0-arch1-1-ARCH (builduser@heftig-18825) (gcc version 8.2.1 20181127 (...
0
votes
1answer
723 views
From server cannot ping server itself by its hostname while can ping by its IP
I host an ubuntu server at a data center and worked well for years till last night the server can not ping itself by host name. No config has been changed. Here are what it can/can not do now.
From ...
3
votes
0answers
478 views
name resolves doesn't work in chroot for users, but does for root
I've booted a live-cd in order to download, compile and install a few packages on a otherwise working system without actually booting said system.
I've created a build user on the system by issuing ...
1
vote
2answers
2k views
How can I find out the hostnames of other computers in the same local network?
In my local wifi, I can find out the IP and MAC of another computer which also runs Lubuntu, and whose hostname is known to me.
$ sudo arp-scan olive
[sudo] password for t:
Interface: ...
1
vote
2answers
2k views
Why does Python 'gethostname()' return the entire FQDN when run on a FreeNAS server console?
I get this (FreeNAS 11.2-RELEASE-U1):
Python 3.6.5 (default, Dec 20 2018, 21:27:40)
[GCC 4.2.1 Compatible FreeBSD Clang 6.0.0 (tags/RELEASE_600/final 326565)] on freebsd11
Type "help", "copyright", ...
0
votes
2answers
2k views
How to access a device connected to local network with its hostname?
I tried accessing a webpage in a server within the local network with the hostname of the device followed by its folder path and the name of the file (it is a basic PHP-file). In the first system it ...
15
votes
3answers
3k views
Does a computer system (Linux) only have one host name?
hostname is used to display the system's DNS name, and to display or set its hostname or NIS domain name.
Does a computer system (Linux) only have one host name?
In virtual hosting, several host ...
0
votes
1answer
826 views
Generating default DKIM keys: Cannot determine host's domain name, so skipping default key generation
I'm following this guide
https://www.linuxtechi.com/configure-domainkeys-with-postfix-on-centos-7/
When I get to this section, it gives an error
# opendkim-default-keygen
Generating default DKIM ...
1
vote
1answer
510 views
Linux/Windows client resolve Linux hostname on LAN
According to Debian's RPi3 image wiki, I should be able to ssh into a Raspberry-Pi, with just the hostname. I shared internet from my Debian laptop, WiFi to the a Raspberry-Pi over Ethernet, but the ...
