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

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35 views

How to point 2 CNAME records to same external address? [duplicate]

I am fairly new to DNS managing. I have been attempting for a while now to point both my root domain @ and www to my GitHub account page user.github.io. I have a CNAME pointing www to ...
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0answers
4 views

How to set domainname? [migrated]

i have a nameserver running on my router. My raspbian succesfull connects with the network over wlan. The fqdn of the raspberry pi should be hal9000.wg.lan. Running hostname -f only returns hal9000 ...
-1
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2answers
38 views

Cannot setup hostname and FQDN Centos 7

I'm now running CentOS-7.0-1406 and looks like i can't setup hostname properly. As far as i know, you need to setup hostname using hostnamectl set-hostname command and write FQDN in /etc/hosts. I have ...
1
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0answers
20 views

Changing the hostname on a Linux Mint desktop to a random value at boot time [migrated]

When changing the hostname to a random set of alphanumeric characters on a machine running Linux Mint(17.1 Rebecca, Cinnamon 64-bit) I encounter some problems. The following script changes the ...
0
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1answer
32 views

Puppet exec type seems to ignore the unless attribute

I have an exec command to change the hostname. I only want to execute that if the hostname is not what it should be: exec { 'update hostname': command => 'sudo hostname VM01', unless => ...
2
votes
1answer
57 views

CoreOS hostname on reboot

Recently, I created a CoreOS droplet on DigitalOcean. Everything works well, except for the fact that I'm not able to change the hostname of my VPS. When I change the hostname to what it should be ...
2
votes
2answers
65 views

How to set hostname if hosting multiple servers on the same machine?

I'm learning about setting up my own web and mail servers, and I've been confused about this question for days, and articles online (including Server Fault) seems to be so inconsistent with their use ...
0
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2answers
44 views

How to create hostname alias WITHOUT IP address?

In linux , /etc/hosts stores ip aliases. But I want to create a hostname without knowing its IP address. In Amazon RDS , it's endpoint is a long domain name such as : ...
0
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1answer
47 views

sudo: unable to execute … bad address - what is it and how to fix it?

I have a set of scripts which finishes up client machine deployment after executing a fairly generic NetRestore image. The main script runs under root privileges, and then calls another, "user" ...
1
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1answer
41 views

Nginx server block for multiple subdomains

I have the following hostname structure: main.domain.com is the main subdomain and is static; any other subdomain is dynamic *.domain.com The root directory is the same for all hostnames. Now what ...
0
votes
1answer
67 views

Ngrok custom hostname add cname to subdomain

I have xyzfoo.com domain. I created a DNS CNAME record which points to ngrok.com I have my app running locally on http://127.0.0.1:5000/ but not running remotely on zyxfoo.com Does a subdomain need ...
0
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1answer
53 views

How to change hostname without reboot? [closed]

I follow the instructions in http://askubuntu.com/questions/87665/how-do-i-change-the-hostname-without-a-restart. The host name is changed correctly when I verify using "hostname". However, there is ...
0
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2answers
88 views

IIS Website access by both hostname and IP address?

If I set up a website in IIS with a hostname (local.somewebsite.com) (having added it to HOSTS file) and also specify an IP address (127.0.0.1), the website is accessible by the hostname, but hitting ...
1
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1answer
66 views

Postfix and “local mail”

That's the first time I'll configure a mail server. I explain you the complete picture. Currently, my company company.com has an ...
1
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2answers
232 views

Confused about Linux Hostname, DNS Hostnames and FQDN Hostname

This might sound stupid and basic to some of you, but I am still so confused about this even after reading numerous sources on the net. My questions still unclear are: Is the Hostname in machine ...
0
votes
1answer
47 views

Using multiple hostnames on IIS

I have one website called Default Web Site on IIS that grabs all incoming traffic by using all unassigned IP address and omitting the hostname on the binding So I can access it locally by going to ...
31
votes
3answers
2k views

Is it valid for a hostname to start with a digit?

Is it valid for a hostname to start with a digit? e.g. 8server From reading RFC 1123 it would appear that this is a valid hostname. However, I'm not clear on whether a hostname can only start with a ...
0
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1answer
43 views

Wrong FQDN on Debian server

I have defined the server's FQDN and its alias in /etc/hosts: X.X.X.X server1.example.com server1 However, the command hostname --fqdn only returns the alias (server1) and not the FQDN. Why is ...
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votes
2answers
115 views

What's the correct way to propagate a host's IP address change on a LAN? [closed]

On Ubuntu, when I change my eth0 network interface configuration between static and DHCP, the interface settings are updated nicely, but there seems to be a problem updating the DNS. Before changing, ...
1
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1answer
59 views

AWS EC2 IPTables converts source/dest subnet into ec2.internal hostname?

I have a Debian 6.0.7 x64 AWS EC2 server that I'm running a couple QEMU virtual machines on (don't ask.. long story). I have some IPTables rules to NAT/Forward any traffic (on ports 8080 and 8081) ...
0
votes
2answers
2k 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
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1answer
28 views

How do I handle the server hostname with multiple web sub-domains and email? [closed]

A while back, I set up a server using nginx for a web site, example1.com, along with email using sendmail and all went well. Recently, I set up a second web site, example2.com, along with email in the ...
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votes
1answer
53 views

changing the hostname doesn't map the local ip to hostname

I tried changing my hostname from localhost.localdomain of fedora machine by giving the below command hostnamectl set-hostname example.com --static After that I did a network restart . But when I ...
0
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2answers
330 views

SSH into EC2 with dynamic public IP address

Typically I set ssh aliases as follows: ssh -i ~/path/key.pem ubuntu@public-host-name.compute-x.amazonaws.com But with EC2 instances, the public-host-name changes whenever an instance is stopped and ...
2
votes
1answer
144 views

Unidentifiable DNS entry

I have a DNS lookup for an IP that is coming from somewhere however I cannot locate where. I have checked my entire DNS infrastructure and the device itself but all have the correct name, when I run ...
0
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1answer
94 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
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1answer
62 views

Website won't come up on web server even though it comes up on other machines

I have a website that I just created from scratch and all I've done is put a index.html file in it with a hello message. If I try to go to the website from the web server itself it won't come up, ...
0
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0answers
103 views

Configuring Samba to allow access from a DDNS domain IP

I have a Debian VPS which I host a website from. I set up a Samba share to enable me to edit website files from my Windows 8 computer. For security I set up a username and password, also I set 'hosts ...
0
votes
1answer
33 views

rDNS and hostname conflict

My server has 3 IPs: 2 for dns stuff for example 192.0.2.1 and 192.0.2.2, and one that I use for outgoing email, let's say 192.0.2.3. My hostname is mail.mydomain1.com. The problem began when I ...
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votes
3answers
986 views

nginx and php | can't resolve hostname and make connection with FQDN

I don't know what can cause this problem, nginx configs or php or anything else but : I can not make connection when host value for these php functions listed below is set to FQDN like ...
5
votes
2answers
90 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 ...
1
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1answer
30 views

Fedora 20 : Removing domain info (converted to hyphens)

Im noticing that in Fedora 20, if I modify the HOSTNAME=.... parameter to include a typical hostname: HOSTNAME=machine1.local It actually replaces the "." with a "-" character , and machine1.local ...
0
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1answer
34 views

Correctly configured /ec/hosts file?

I've come to a confusion regarding the /etc/hosts file. Both of these version work: 1 192.168.2.1 example.com example 2 192.168.2.1 example.com Which one is the correct one?
2
votes
3answers
1k views

Postfix: mails sent through sendmail binary are blocked because of wrong HELO

My server is using Centos 6.5 I updated from Plesk 11.5 to 12 last week and postfix to 2.8.17. Since then, all mails sent using the sendmail binary (notifications, mail forwards...) are being rejected ...
6
votes
1answer
120 views

To zero pad hostnames or not?

Given an array of similar hosts, what are some of the advantages and disadvantages of zero padding or not? Zero Padding www-01 www-02 ... www-11 www-12 No Padding www-1 ...
3
votes
2answers
421 views

Why not assign the hostname to the loopback address in /etc/hosts?

So I understand that the hostname should (at least in Debian systems) be set in /etc/hostname. To get the FQDN (through hostname -f) the system finds the IP from the hostname through /etc/hosts and ...
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votes
1answer
37 views

What is the significance of having the correct hostname for a cloud server in the control panel of the hosting company [closed]

What could be a problem that could arise if i do not have the correct hostname as my device name for the cloud server in a control panel of my hosting company basically the device name is supposedly ...
0
votes
1answer
502 views

Exim, hot to route local mail to other adress

I have setuped an Exim4 server on my debian wheezy server. This mail server only sends mail coming from localhost. The purpose is sending mail for my website. I have cron tasks and other services ...
1
vote
1answer
50 views

Redirecting nameservers [closed]

I am running small hosting business and I have 2 servers lets say first server's primary domain is www.myfirstserver.com and ip address is 111.111.111.111. So I created nameservers for this as ...
0
votes
1answer
39 views

PTR entry is setting my hostname. How do I stop it?

I'm running RHEL 6.5. My machine is getting it's IP address from our DHCP server. I'm getting this strange behavior where the machine will apparently query the DNS server for a PTR entry for the IP ...
-1
votes
1answer
153 views

AWS route 53 database hostname best practice [closed]

So I have 3 components all connecting to same db. Should I use: comp1.domain.io comp1db.domain.io comp2.domain.io comp2db.domain.io comp3.domain.io comp3db.domain.io Or: comp1.domain.io ...
-1
votes
1answer
69 views

how to set linux hostname based on flashdisk volume label [closed]

i'am running live linux, which run from FAT32 flashdisk since i run a lot of pc using this flashdisk, its difficult to identify which IP for its hostname, since its ip need to be dynamically ...
-1
votes
1answer
157 views

Reading tracert output - what does this address mean?

7 7 ms 2 ms 3 ms 83.149.18.148 8 * 78 ms * ae52.edge7.Frankfurt1.Level3.net [195.16.162.53] 9 * * * Request timed out. 10 80 ms 80 ...
-1
votes
1answer
184 views

How can I make my Local Server accessible via hostname? [closed]

I've set up an Ubuntu Server with LAMP. Now I wish I could access it from the other computers in the network just by typing http://hostname/ in the browser. Is it possible without setting up a DNS ...
1
vote
1answer
175 views

Tomcat resources not resolving correctly

I'm trying to deploy MITRE's OpenID Connect Java Spring Server using Tomcat. My server's FQDN is park.muller.io. I've compiled the MITRE server and placed the .war file into the Tomcat webapps ...
0
votes
1answer
126 views

Email sent from my new server, being suspended by SMTP because “weird” hostname?

I have some problems sending emails from my server: I've been banned/suspended for abuse (IP blocked) by the SMTP server. This happens only on my new virtual server. Right to the question: is my new ...
0
votes
0answers
14 views

SGE job does not run with -l hostname, but okay without it

I'm trying to submit job on specific computing node using sun grid engine, 6.2u5. If I submit job without hostname in batch file, It's running well. But, if I put "#@ -l h=node20" into batch file to ...
0
votes
0answers
29 views

Automated hostname availability for OpenVZ environments

for several years now I am administrating some OpenVZ Hardwarenodes with a fairly low amount of containers per node (10-20). I'm about to setup a new machine, and what's always bothering me is the ...
2
votes
1answer
192 views

Servers Hostname Normalisation [duplicate]

I'm currently building a private servers farm with a thousand and thousand hosts, and I suddenly faced a really interesting question that I was unable to answer at the moment. Is there a Standard ...
-1
votes
3answers
117 views

hostname doesnt work in sftp whereas works in ftp [closed]

Why I cant access a sftp server using my hostname? I can access the ftp server using hostname, but not the sftp server.I have not done any extra mapping for ftp anywhere. But when I tried it with ip ...