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

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5
votes
1answer
3k views

What is the difference between a plain Amazon ec2 instance and beanstalk?

I am a solo developer and the sites I'm deploying are very small, usually hobby sites and I have a few questions about the Amazon services. Is there a reason for me to use beanstalk or should I just ...
0
votes
0answers
4 views

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 ...
1
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0answers
13 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 ...
0
votes
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 ...
18
votes
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 ...
0
votes
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.
0
votes
2answers
3k views

Hostname and SSL (apache) issue on Debian

I have been trying to setup SSL virtual host <VirtualHost *:443> ServerAdmin webmaster@mts.com ServerName moclm.tap.pt SSLEngine on SSLCertificateFile /etc/ssl/moclm.cer ...
0
votes
1answer
2k views

Syslog-ng how to get domain names instead of IP address

How can syslog-ng get the domain names instead of IP address that I received? I'm able to get those information but in IP address, I would like to get the DST/HOST to domain names instead of getting ...
-1
votes
4answers
49 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 ...
5
votes
2answers
3k views

Nginx Multiple Domains

I am trying to add a second virtual host to nginx. When i go to the new domain it redirects to the old one. I have tried restarting Nginx, rebooting the server. Has anyone come across this before, ...
0
votes
0answers
9 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 ...
0
votes
1answer
1k views

Lighttpd proxy module - use with hostname

I have to proxy a site which is hosted on an external webspace through my lighty on example.org. My config so far: $HTTP["url"] =~ "^/webmail" { proxy.server = ("/webmail/" => ( # ...
-1
votes
0answers
25 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 [...
-1
votes
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
2
votes
2answers
395 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 ...
0
votes
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 ...
1
vote
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 ...
0
votes
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
2
votes
4answers
1k views

Debian Hostname refusing to stick

I'm using VirtualBox for testing and have the latest stable Debian. When I try to set the hostname of the machine using both: hostname ayil and editing /etc/hostname and running /etc/init.d/...
6
votes
3answers
356 views

Definition of Fully qualified domain name

I tried to search to Internet for a definition of a FQDN. Wikipedia says, a FQDN specifies its exact location in the tree hierarchy of the Domain Name System (DNS) I would interpret this, that ...
0
votes
0answers
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 ...
117
votes
7answers
134k views

Setting the hostname: FQDN or short name?

I've noticed that the "preferred" method of setting the system hostname is fundamentally different between Red Hat/CentOS and Debian/Ubuntu systems. CentOS documentation and the RHEL deployment guide ...
0
votes
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 ...
1
vote
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: ...
31
votes
7answers
49k views

Is it possible for two hostnames share the same IP address?

Can anyone explain whether it is possible for two hostnames to share the same IP address? And what about if one hostname represents more than one IP address, is that possible too? Why?
0
votes
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 ...
-3
votes
2answers
152 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 ...
0
votes
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 ...
1
vote
2answers
9k views

Permission denied (public key) ssh ec2 instance mac [closed]

Update2: $ ls -ld ~/.ssh drwx------ 8 user staff 272 2 Oct 17:51 /Users/user/.ssh $ ls -la ~/.ssh/config/file.pem -r--------@ 1 user staff 1692 2 Oct 17:11 /Users/user/.ssh/config/file.pem $ ls ...
0
votes
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
votes
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 ...
0
votes
0answers
38 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....
0
votes
2answers
4k views

Cannot ping linux (RedHat) machine by hostname

For some reason, a linux (RedHat) machine that I have is not ping-able by hostname! It is ping-able by IP address though. I have the same network configurations as another linux (RedHat) machine ...
0
votes
2answers
63 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 ...
2
votes
1answer
41 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 ...
0
votes
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....
16
votes
6answers
28k views

How do I change Exim4's primary_hostname on a Debian box?

Some remote SMTP server I am trying to deliver mail to refuses to accept the HELO from my server: 504 5.5.2 <localhost>: Helo command rejected: need fully-qualified hostname Apparently, my ...
0
votes
2answers
254 views

Where is the samba name “workstation” coming from?

The output of smbstatus running on OS X Mavericks with the latest Server app installed (but with native SMB shut down in favor of the Samba implementation from Homebrew) contains many entries like ...
0
votes
1answer
34 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 ...
0
votes
2answers
102 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 ...
-1
votes
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 ...
1
vote
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 ...
3
votes
2answers
3k views

Sending machine hostname as a header in Apache

I have a group of linux apache 1.3 servers behind a load balancer, and I want to be able to, at a glance, determine which server I'm hitting. The load balancer is severely limited in its monitoring ...
1
vote
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 ...
75
votes
6answers
55k views

Top level domain/domain suffix for private network?

At our office, we have a local area network with a purely internal DNS setup, on which clients all named as whatever.lan. I also have a VMware environment, and on the virtual-machine-only network, I ...
2
votes
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....
9
votes
8answers
19k views

Easy way to get IP address from hostname using a Unix shell

What is the easiest way to get the IP address from a hostname? I was thinking about trying a ping and parse it from the output. However, that doesn't seem very nice and will probably not work the ...
1
vote
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 ...
1
vote
2answers
135 views

Rename hostname

If you rename the PC's hostname at the PC while it is connected to the domain, will it find that original hostname in AD and rename it there as well?
3
votes
3answers
3k views

SharePoint Multiple Domain Name Best Practice

Simple question - what is the best practice to implement a sharepoint web application that needs to be accessible through two domain names (hostnames, i.e abc123.com and www.abc123.com)? From my ...