Hostname is a label assigned to a device connected to a computer network used to identify the device.

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How can I set a generic hostname in SuSE autoyast?

This is a simple, often used task during server installation: Automatically install a server using PXE and an automated tool - here: SuSE/SLES autoyast. During installation the new server gets its IP ...
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0answers
15 views

PCI Scan failed with SSL certificate with wrong name

I've an IIS server which is hosted around 250 + sites. I am running a PCI scan against one website and its failing with these 2 errors: Common name of SSL certificate presented on this server is for ...
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1answer
14 views

Forward hostname to EC2 instances behind Elastic Loadbalancer in elastic beanstalk environment

I'd like the applications running on EC2 instances to know which url the original request came from. Is this possible with an Elastic Loadbalancer? I'm assuming passing the hostname through would be ...
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2answers
2k views

Why should I use an FQDN instead of the server's IP address?

In my work with servers I have come across in configuration files where you should enter the address to an external server. I have seen some use the server's IP address directly, but I have heard many ...
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0answers
10 views

Changing hostname on a Cisco spa504g (FreePBX)

Anyone know how to change the hostname using FreePBX's commercial module End Point Manager on a cisco spa504g? I keep coming up short handed... Any help would be extremely appreciated.
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0answers
10 views

Install Lexmark Network Printer Via Hostname (Not IP)

I have a few Lexmark network printers which I want to install using their hostnames instead of their IP addresses on Windows 10 64-bit. The model numbers are MS710dn, T644, and T652n. I know static ...
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0answers
27 views

Change [127.0.0.1] in mail header

I have problem, i need to change 127.0.0.1 to my external server ip in mail headers. Some of spam filters could trigger as it is now. headers Received: from server.example.com (server.example.com [...
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0answers
18 views

Find ESXi hostname from linux vm [duplicate]

Is there any way to find out the hostname of ESXi in which CentOS VM is running? Thanks! Ryan
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2answers
401 views

nslookup not resolving hostname

I can't seem to get nslookup to resolve correctly. Here is my hosts file: [root@clc-host ge2011.11]# cat /etc/hosts 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 ...
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2answers
24 views

Requests to domain using wrong domain name

I`m getting strange requests to my domain using different domain host header -> as.eu.angsrvr.com . The requests are coming from all different ip addresses, different os, different browsers and seems ...
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4answers
51 views

How to get list of all the hostname / DNS of the Linux box

I have a Linux box and I know I can get the list of IP addresses assigned to that box using following command /sbin/ifconfig -a but how to I get the list of hostnames / DNS for that Linux box using ...
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1answer
32 views

Virtual machine - DNS hostname problems on Windows Server

I have a Windows Server 2012 R2 in a local domain with an local DNS server running. My clients are configured to use this DNS server. Today, I had the problem with a client that could not log in due ...
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1answer
20 views

Show full hostname in bash?

Any way to show full hostname in bash instead of partial? Now for domain.com it's: user@domain:~$ Would like it to be: user@domain.com:~$ Debian 8.5
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18 views

Hostname Reverting after Reboot [duplicate]

I have a couple servers on GCE where I'm using the custom metadata to set the hostname. No problems, hostname is correct and stays correct. I rebooted these servers a couple days ago, and now the ...
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0answers
30 views

(Host-)Naming a single server with multiple purposes

My Setup I recently rented a VPS and set up an Apache, a Postfix / Dovecot and a TeamSpeak server on it. When adjusting the Postfix configuration, I had to deal with the server's hostname, which, by ...
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0answers
25 views

environment host urls convention and using wildcard DNS

we're setting up new hosts and environment servers on our company... creating 3 server instances... dev, stage, production we've multiple clients and multiple projects per client so this is our idea: ...
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1answer
22 views

What code can I add to my csgo server.cfg to have it only respond to one dns? [closed]

Im trying to run multiple csgo servers on my server rack and I have diffrent domains that I want to use on each server because the port numbers need to stay the same. Im thinking of finding a line to ...
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2answers
155 views

Can't resolve hostname by ip address over nslookup [closed]

I've got an Ubuntu Server on my LAN. I can fully use it (samba, ssh, apache2, xmpp...) by using it's ip address. But I want to use the hostname to connect (e.g. ssh). When I do a nslookup with the ip ...
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2answers
45 views

Should a mail server receive mail at the hostname or just the domain?

When configuring a mail server, should it be setup to receive mail at the hostname or just the domain? For example, if the hostname of the mail server is sub.domain.tld, should mail from anywhere be ...
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1answer
28 views

Windows Scheduled Task HostName Placeholder

Hi I need to run a service on start up that cannot be run using the system user. (I am using Windows Scheduled Task Manager for this) Under user is there a way to have a placeholder for the hostname ...
0
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1answer
51 views

Access local website without dns?

I got an nginx loadbalancer setup with 2 sites. The ip address of the loadbalancer is 192.168.123.10 I want to locally access the two sites to check if everything is working. But I'm a little puzzled ...
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0answers
39 views

Nullmailer: Unable to resolve host

After installing Ubuntu on my VPS the hostname was Ubuntu-1404-trusty-64-minimal. I changed it to hetzner-backup-1 and rebooted. What I did: I did nano /etc/hosts and added: 127.0.0.1 localhost....
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2answers
66 views

Postfix - hostname appearing in email address

I have a fresh install of postfix on Ubuntu 14.04 server but the test emails I have sent all include the hostname in the email address. I have searched and found quite a few people with the same ...
3
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1answer
44 views

AWS CLI Launch Instance Hostname & Elastic IP

Is it possible to do the following with AWS EC2? And if so what is the AWS CLI command for it? Launch an instance and bind an Elastic IP at the same time Change the hostname of an instance that is ...
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4answers
69 views

Does a server hostname always need a SSL certificate?

In the context of a web server with HTTP, HTTPS, IMAPS, POP3S, SMTPS, SFTP and WebDav services, is it necessary to get a SSL certificate for the FQDN hostname of a server (example: something.example....
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1answer
36 views

Fully Qualified Domain Name of VPS [duplicate]

I'm really confused by FQDN. So there is this file on my debian machine /etc/hosts. What exactly goes in there? Say my VPS is located at ipadress: 39.22.11.99 And i have a couple of domains all ...
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3answers
43 views

What hostname and rDNS should I choose?

What should I set as hostname and rDNS? 1 server 3 domains (domain1.com, domain2.net, domain3.de) 1 mail server for each domain My current settings: /etc/hosts 127.0.0.1 localhost 11.22.33.44 ...
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2answers
105 views

What's the correct way to set hostname on Debian Jessie when my LAN has DNS?

This is on my home LAN which has a DNS server (Bind9) and a DHCP server (dhcpd). My desktop machine gets its IP address from the DHCP server which includes a search domain of mylan. So, the FQDN of ...
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1answer
49 views

What is the 'play' host?

I tested the following on a Ubuntu machine. The command ping play results in PING play (127.0.53.53) 56(84) bytes of data. 64 bytes from 127.0.53.53: icmp_seq=1 ttl=64 time=0.029 ms 64 bytes ...
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1answer
36 views

Postfix Hostname domainbased

I would like to excuse in advance, if my question has already been answered before but im going crazy since a week now... I'm not new to this but after a while in another job, my "skills" are totally ...
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3answers
56 views

Bash for loops and hostnames and how to generate them

Why doesn't this work? NODE_ROOT=node0 INFRA_DOMAIN=example.com for host in $NODE_ROOT{1..3}.$INFRA_DOMAIN; do echo $host; done I'm expecting: node01.example.com node02.example.com node03.example....
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2answers
58 views

CentOS Hostname on Linode

Just getting back into Linux and my first CentOS install in nine years. So I thought I would use the Getting Started Guide to augment my 'rtfm' habits. When I got to the set hostname, I noticed that a ...
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34 views

Crontab by hostname

My system is having 3 nodes and the cron scheduling is defined in one of these 3 nodes. So while checking with crontab -l at times I am getting proper cron listings at times I am not as the node ...
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1answer
144 views

How to get hostname for ip on a local network? [closed]

Disclaimer: not a sys admin/network expert so please bare with me. I'm trying to get the hostname for a given ip of a computer in a local network. The current test setup I have is a few single board ...
1
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1answer
107 views

OpenVPN - how to make the client names visible

I am using openvpn. Once the clients are connected, I would like that they can be addressed by using the names instead of the ip addresses. e.g. instead of "ping 10.8.0.2" I can use "ping client-...
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1answer
143 views

How to make Docker resolve DMZ host?

Imagine I have this setup: An application server Private IP: 1.0.0.1; Private hostname: machine1.internal.domain Public IP : 2.0.0.1; Public hostname : machine1.example.com A ...
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1answer
223 views

Checking if my hostname is correct (ovh vps + centos7)

I recently purchased a VPS from OVH with Centos 7 preinstalled. I want to make sure my hostname is correctly set. According to some tutorials: hostname returns the hostname hostname -f returns the ...
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2answers
192 views

Two or more machines on same Windows network with same client hostname

I unofficially manage a small (<10 machines) office network, with machines running on a variety of Windows operating systems: One on XP (This is running specialist software and hardware which is ...
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1answer
150 views

Linux Hosting: What is the purpose of setting hostname/FQDN in hosts file?

I just bought a Linode VPS hosting plan and was following this guide to set up. In the "Setting the Hostname" section and "Update /etc/hosts " section, it says the FQDN/hostname to be set here does ...
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0answers
23 views

Emails ending up in gmail spam folder [duplicate]

Emails from my dedicated server are ending up in spam folder in gmail even though the server is not blacklisted and with good reputation - see below. the server level issues that would cause this ...
0
votes
1answer
80 views

How to set hostname in MySQL? (OS X)

I want to do something similar to the hosts file in MySQL, where I can associate an IP address with a given hostname. So localhost has a default IP address of 127.0.0.1, and let's say I have another ...
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2answers
116 views

Matching an IP address to a hostname when both are available but cannot be resolved

I am an administrator on a server that accepts RDP connections. When the client connects I know the client's computer name. Using netstat I can determine which connections have been established for ...
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2answers
67 views

Httpd/Apache2 Virtual Host and Hostname Conflict

I have a domain ie test.example.com. I set the hostname of my server to this by uisng: hostname test.example.com I then add a Virtual host in /etc/httpd/conf/httpd.conf NameVirtualHost *:80 <...
3
votes
2answers
88 views

Host File entry depending on own IP?

I have two different Networks at two different places: 192.168.10.0 / 255.255.255.0 192.168.20.0 / 255.255.255.0 Now I want to define a host entry on my windows pc, who maps either 192.168.10.1 or ...
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1answer
58 views

Relationship between HostName and DNS entry

I am very new to IIS and Deployment world. We recently deployed a website and I think if I am understanding correctly the URL was determined by two things DNS Entry(to me its IP/Name mapping, which ...
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1answer
74 views

How can the hostname go missing on Linux?

How can a Linux server lose its hostname? This might be a loaded question, but there might be several answers. I just need to diagnose the problem I'm having, but I don't know where to start. ...
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1answer
29 views

Local DNS for AWS instance

Amazon provides a domain names like blah-blah.amazonaws.com. They want us to use the domain name instead of an IP because the IPs are transient. The local hosts file on my computer only takes IP ...
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2answers
53 views

Why hostname -f gives me subdomain back when only domain is in /etc/hostname?

In my /etc/hostname (Ubuntu 14.04) file I have: pavel@subdomain:~$ cat /etc/hostname example.ru But when I run: hostname -f it shows: pavel@subdomain:~$ hostname -f subdomain.example.ru It ...
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1answer
22 views

set host-name failed on Ubuntu vivid

With Ubuntu vivid, I cannot bind the hostname of my server with the IP address gotten by a DHCP server I tried to add in dhclient.conf (and reboot) set host-name "myserver"; But, still doesn't ...
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1answer
604 views

Configuring hostname on ubuntu 14.04 returns “unknown instance”

I am having trouble understanding the concept of configuring the hostname on Ubuntu 14.04. The machine is configured to run several services like webserver, but also needs to have sendmail running. ...