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

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dadcomputer.home appears as dadcomputer.lan when logging in to another computer [closed]

I changed ADSL router recently (from BT home hub 4 to technicolour tg582n) and now dadcomputer.home (ubuntu) appears as dadcomputer.lan when logging into my freeciv server, or SSHing into another ...
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1answer
16 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
54 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 ...
1
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2answers
50 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 ...
1
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1answer
53 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
22 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
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1answer
39 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
60 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
34 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
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2answers
80 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
34 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 ...
0
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1answer
54 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. ...
0
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1answer
27 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 ...
0
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2answers
32 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 ...
1
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1answer
19 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 ...
0
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1answer
139 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. ...
0
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1answer
72 views

Two Identical Postfix main.cf files, but sending mail from CLI appears differently

I've been recently testing Postfix and configuring it as a send-only mail client on our virtual environment. I've been playing around with the settings on a few virtual machines until I got it to ...
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1answer
28 views

How to point to my host but keep my alias? [closed]

I bought my domain (let's say example.com) from namecheap and added a subdomain to my blog hosted at heroku. The associated host record looks like this: Type: CNAME Host: blog Target: ...
1
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1answer
271 views

Apache2/Ubuntu 14.04 error.log Hostname provided via SNI and hostname provided via HTTP are different

In my apache2 error.log I see every few minutes an error message “Hostname … provided via SNI and hostname www.google.com.hk provided via HTTP are different”. In the access.log each error can be often ...
0
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2answers
27 views

how ssh to differenet hosts on same network easily

we have a lot of servers on the same network, 11.12.13.0/24. I have to ssh to several server a day quite often. Right now I do like this: ssh user@11.12.13.3 ssh user@11.12.13.32 ssh user@11.12.13.56 ...
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0answers
95 views

How to set hostname with salt-cloud command

I am using salt-cloud to create new aws instances: salt-cloud -p base_ec2_micro test.mydomain.com However, the instance gets its ip as hostname. What can I do to set the fqdn as hostname? Thanks
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1answer
33 views

Different local hostname and CN on domain controller

is there a way to name a server locally "LocalOwnServer" but with a different name on a Domain Controller (ie. "DomainOwnServer")? so, I would like to exec cmd command hostname and to get the result ...
0
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2answers
30 views

Create multiple email-server names

My email server has two domains and the email hostname for each of them is mail.domain1.com. I'm attempting to remove the 'mail' in mail.domain1.com for domain 1 and set domain 2 to domain2.com. So ...
3
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0answers
22 views

Linux: What is the right way to configure the HOSTNAME directive in /etc/sysconfig/network? [duplicate]

There's a (quiet) argument between me and my boss in regard to the right way to configure HOSTNAME directive in /etc/sysconfig/network file: As far as I know, in the HOSTNAME directive you should ...
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2answers
198 views

Redis Sentinel Configuration and Hostnames

I have 2 sentineles and 2 redis servers. I want to configure sentinels using hostnames of redis servers. Currently, I define each hostname in hosts file like this. 10.22.20.156 clsupport1 ...
2
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1answer
18 views

Using www as hostname on a server running apache and exim?

I have a VPS that is currently hosting a website and also serves as a mail server running exim. I own a SSL certificate for website.com which also works for www.website.com. Since my server's FQDN is ...
0
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1answer
64 views

Hostname changes history in unix systems

I've been trying to find a command or file that contains all the previous hostnames a Linux/Solaris machine has had, but I can't seem to find any way to do this. The question is really about the ...
0
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0answers
59 views

Wait init.d script until host name is ready, Ubuntu/Mint

I have a postgres SQL, which I would like to bind to local host and internal net IP. In /etc/postgresql/9.3/main/postgresql.conf . . . listen_addresses = 'localhost,myhost.mynet' . . . If I just ...
0
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0answers
72 views

PING fails for Windows Server 2012 FQN from a client machine

I have a simple network consists of 2 desktop machines configured with the following ethernet settings; Preferred DNS Server is the IpAddress of Windows Server 2012 R2 machine; My desktop ...
0
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1answer
29 views

When is domain resolved for openvpn server?

In my setup I have several OpenVPN clients pointing to a vpn server's dns name. let's use vpn1.mydomain.com as an example. The server's public IP pointed to by that domain would be for example ...
0
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85 views

Ubuntu 14.04 preseed host form dns

if try to automate an Ubuntu 14.04 server installation, all questions are answers except one. The server get his ip and hostname via a dnsmasq. I tried in this section # Any hostname and domain names ...
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1answer
164 views

Can't connect to Samba server via FQDN despite it resolving to the correct IP address

I'm really hoping that you guys can help me with a really weird problem I'm having with a new Samba server. I can connect to the server just fine via its IP address. I can also connect with its short ...
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2answers
120 views

Suddenly, domain name can not be resolved - What happened? [closed]

My domain is buycott.com When I run ping buycott.com in the command line, it's timing out. It's been working fine for over a year, and suddenly I'm seeing these timeouts of nowhere? When I use most ...
0
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0answers
41 views

Updated hostname of server but old hostname still appearing appearing in Postfix logs?

Been having some trouble with emails bouncing when being sent to certain addresses from our CentOS 6.4 Media Temple DV server. I am no expert but after checking the mail logs it appeared that they ...
3
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4answers
237 views

How to find all hostnames (even laptops that aren't currently on the network) on a network?

I manage a network that has a lot of laptops. The users that use the laptops are frequently traveling. When someone gets a new computer I run into a problem determining what the hostname should be. ...
2
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1answer
500 views

Postfix: Set custom SMTP Banner based on address used to access server

The Postfix parameter smtpd_banner sets the text of a server's SMTP greeting banner. The default setting is: smtpd_banner = $myhostname ESMTP $mail_name My mail server has several unique IP ...
0
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1answer
2k views

Reverse DNS does not contain the hostname error from MXToolBox

I am not sure where I have gone wrong in my configuration but I am getting the error Reverse DNS does not contain the hostname for my domain sparkdojo.com I had the hosting company set the PTR record ...
0
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2answers
123 views

ssh not using /etc/hosts to resolve hostnames

This is how my /etc/hosts file looks in /etc/hosts: If I try to connect to one of these machines with ssh: ssh -p 22 ramy@Ramy-MacBook I get an error: ssh: Could not resolve hostname ...
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1answer
102 views

How to forward hostname based request to a specific docker container

I'm trying to use hostname based connecting to a docker container. i.e: I connect my browser to web01.docker.example.org (assuming a wildcard DNS record on *.docker.example.org pointing to my docker ...
4
votes
1answer
3k views

How to set the hostname for a Debian Jessie system?

Debian Jessie comes with systemd. The recommendation to set the hostname is using hostnamectl for systemd. However, this command does not work (even to display the current hostname) on the Debian ...
0
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1answer
348 views

Get RD user client hostname in Server 2012 R2 RD deployment [duplicate]

There is currently nowhere in the server manager GUI that I can see, that shows me the hostname of the machine a user is using to log onto our remote desktop deployment. I have had a quick look ...
0
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4answers
159 views

Determine hostname of Windows system on network

I need to determine the hostname of a remote Windows system. Typical DNS-based methods don't work in my situation. ping -a 1.1.1.1 nslookup 1.1.1.1 nbtstat -a -n 1.1.1.1 Ideally, to determine what ...
0
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0answers
206 views

Setting DHCP hostname with Cobbler

I have configured the DHCP to work with Cobbler in a way that the client will get its hostname assigned by DHCP (by using the option host-name in /etc/cobbler/dhcp.template). It works fine if I run ...
0
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2answers
585 views

localhost as computer name

When you set up Windows it requires a computer name, something like Steven-PC. This is the equivalent to hostname on Linux. I noticed that Fedora Linux uses localhost as the default hostname. Would ...
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1answer
133 views

DNS is not pointing [closed]

Let me clear scenario first 1)I purchased static IP from network provider and his name server is INPUDIIDNSPRPRD01.TATACOMMUNICATIONS.COM and INCHVSIDNSSEPRD01.TATACOMMUNICATIONS.COM 2)Then I just ...
0
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2answers
475 views

Configure Exim to send to internal & external addresses

I inherited a web site that's apparently using Exim as its MTA. Let's say that we can access the site at: http://example.com/ The users who work at Example Corp. noticed that they did not receive ...
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1answer
47 views

helo message set to local hostname

I have a droplet on DigitalOcean and decided to implement my own mail server there using postfix and dovecot. Everything worked correctly and I was able to send and receive emails via a mail client ...
0
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1answer
193 views

setting numerical hostname in Proxmox

I am using Proxmox. I tried to run new OpenVZ container and I set my recently registered domain as a hostname in format "three digit number dot ie" (XXX.ie). The problem is, that after starting ...
0
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2answers
649 views

Hostname not changing (Ubuntu 14.04)

When I set up a VPS, I set the name to "main" so both my /etc/hosts and /etc/hostnames files had one entry (that being "main"). So I set up root ssh access and type "hostname" and it gives me "main". ...
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1answer
455 views

my host has no PTR record [closed]

when i check my host i get this host myIP xx.xxx.xx.103.in-addr.arpa has no PTR record So i dd this to my /var/named/domainname.com.db myHostname. IN A myIP xx.xxx.xx.103.in-addr.arpa. IN PTR ...