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1
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1answer
368 views

Internal DNS delegate to external host

We have been facing an issue with internal DNS delegation. Here is a description of our architecture and the issue: Architecture Domain1 DHCPDNS1 and DHCPDNS2 (Windows Server 2012) Domain2 ...
2
votes
3answers
125 views

when use . after myhost.mydomain in config files?

I noticed sometimes '.' can be seen at the end of myhost.mydomain so it is myhost.mydomain. ^^^ statement. Where should I use this '.' at the end? Currently in etc/hosts I ...
-2
votes
1answer
98 views

after changing hostname to FQDN router doesn't list my host? [closed]

my solution to sendmail errors in log: May 9 19:08:54 myhost sm-mta[17103]: unable to qualify my own domain name (myhost) -- using short name was to set hostname from myhost , to FQDN: ...
0
votes
1answer
107 views

How to access multiple IP-s of host from virtualbox guest windows

I have a linux host with virtualhosts on 127.0.0.1 and 127.0.0.2 and 127.0.0.3 (the reason is that I need multiple domains with https) and I would like to access them from virtualbox in a windows ...
4
votes
1answer
4k views

What's the difference between `dig` and `host` when querying a specific name-server?

I was using this command to verify if I'd set things up correctly with a DNS provider: host hostname.example.com ns1.example-nameserver.com As far as I can tell, this asks ...
-2
votes
2answers
447 views

Nmap scans the host but cannot ping the host [closed]

My laptop is connected to a network where we have routers with filters. I can use nmap to scan alive hosts and I can see open ports (mostly port 80). But then, when I try to ping those hosts, I dont ...
0
votes
2answers
57 views

making sense of the nmap options

An nmap option I see in some examples uses the -sP option, but I haven't seen this listed anywhere in their options or --help. Is -sP an option you construct from the other options? If so, please ...
-4
votes
3answers
134 views

My website is down - who's liable? Host or Registrar? [closed]

I've a website which is often (actually most of the times) is down. I am using one company as a registar and another as a host (changing NS). Before I start talking to them on this issue, I want to ...
0
votes
1answer
102 views

How to add access to a host via symbolic name?

From one LAN I have access to the host 10.0.0.*** via symbolic name say a007, which was added to my /etc/hosts as: 10.0.0.*/*/* a007 But now I need to use this host as a007 from another LAN and I ...
2
votes
1answer
329 views

How does a browser request from CNAME?

Let me put it this way: 1.cname.com has a record of X.X.X.X www.domain.com has a record of 1.cname.com When a user request www.domain.com from within his/her browser,his/her browser will send an ...
0
votes
1answer
57 views

route client by specific query?

myweb.com has external ip. I have a debian server running BIND9, it contain some clients, I created the zone myweb.com and I created A record to localhost.it's ok, but I would know if I can point ...
3
votes
1answer
673 views

How to reset and persist the hostname and FQDN of an WIdows Azure Centos instance?

How does one reset a hostname and domain name (FQDN) to localhost.localdomain on a Centos 6.2 Azure Instance? I've tried editing /etc/sysconfig/network, /etc/sysctl.conf, setting the hostname ...
0
votes
1answer
119 views

Vagrantfile location path - where is it defined and how to change it? (Windows) [closed]

I have a Windows machine that I am using to host Virtual Box VMs used with Vagrant. I'd like to keep Vagrant setup files including Vagrant all under a separate folder so that it is easy to know where ...
0
votes
1answer
859 views

How to configure a host file to map an IP address to any SSL secured domain name?

i have a SSl secured link and I need an IP to be mapped against it, I tried with general mapping in hosts file by using below snippet: <IP Address> uploads.mydomain.com in above snippet ...
-1
votes
3answers
327 views

Using Virtualbox Guest OS to Access a Server Running on the Host Machine [closed]

I run a web server locally on my Mac. I use Virtualbox to run various Windows guest OSes thanks to http://www.modern.ie/virtualization-tools The server on my host machine is running WordPress in a ...
1
vote
4answers
215 views

Access device by its name in a LAN

I have several devices (including desktop, laptop, smartphone, etc.) connected to my wifi router. They have difference IP addresses each time according to the order they connects, so configuring ...
4
votes
3answers
10k views

How to set multiple subdomains in the host file (DNS)?

I have a lot of subdomains in the main domain xxx.zzz So, for this domain, I can have aaa.xxx.zzz bbb.xxx.zzz ccc.xxx.zzz ddd.xxx.zzz eee.xxx.zzz ....ETC.... Istead of adding each subdomain in ...
2
votes
1answer
108 views

Fall back if site is down

Alright so I was just wondering how one would go about setting up a system that points to a different server if your main server goes down. In our instance we host a site on Windows Azure, but when ...
-1
votes
2answers
117 views

Find Hostname by having IP-Address

Is there a way to find out hostnames only by having the IP's of the hosts, while only using Windows' command line (cmd)?
1
vote
2answers
270 views

iSCSI NAS supporting VMware Esxi 5.1 servers in a software development environment [closed]

I would like to build (or purchase) the smallest, quietest most energy efficient servers that I can for a low demand environment. These would only have a small disk for guest swap files, a CPU (XEON ...
-2
votes
1answer
35 views

Where can I learn about managing domain names for my websites? [closed]

I am a developer who doesn't understand how to effectively manage Internet domain names. Say I registered a name with namecheap and host a website on linode. Now what is an a-record? What is a name ...
-1
votes
2answers
69 views

Website Set up on IIS accessible over internet

We have a website hosted on port 80 with the name www.abcabc.com. Now we want to host another website on port 1111 with name www.xyzxyz.com and expose it to the internet. When i asked my DNS team ...
1
vote
1answer
60 views

Ordering new Virtualization Hosts - Do I need a Raid controller if my storage is shared?

I am planning to order some new servers. It crossed my mind that I can reduce my costs a bit if I do not order a raid controller. The logic behind, is that my storage is on a shared storage server, ...
1
vote
0answers
1k views

Arp request is not resolved

On my machine, I have assigned ip addresses for two interfaces which are connected through a cable. They are connected with 10G ports. When i tried to ping the two addresses, ping was not working. ...
1
vote
1answer
706 views

DC in Hyper-V VM after reboot is not working

I have a Hyper-V Host with a couple of VMs a guest. One of the guest is the DC. There is only on physical server, so I have only one DC as a Vm (I know, it is not a good solution to have only one DC, ...
7
votes
2answers
4k views

Why can host and nslookup resolve a name but dig cannot?

Can anyone tell me why this is happening? I can resolve a hostname using host and/or nslookup but forward lookups do not work with dig; reverse lookups do: musashixxx@box:~$ host someserver ...
1
vote
0answers
93 views

can't connect to a server through specific port

From my server I'm trying to connect to another server I'm trying using the command via SSH telnet 64.31.62.219 60099 it is connecting without problem on my local machine and from a server I ...
1
vote
0answers
446 views

Loss of connection to guest webserver when Host is VPN'ed [closed]

I have a redmine server set up on an Ubuntu 12 VM in virtualBox. My host machine in windows 7 64bit. I can access the redmine server from the host by putting the guest's ip address in my web ...
-2
votes
1answer
2k views

How can i pause Hyper-V VMs incase rebooting host?

I want to do such setting that all vms should be paused(instead of shutdown) when host server reboots suddenly. Visualization tec: win 2k8 r2 with hyper-v
0
votes
1answer
3k views

Apache vhosts config: Host Name instead of IP Address

I have a domain (example.com) hosted at an external provider. I directed the subdomain sub.example.com to my ubuntu server (12.04 with apache2). On my ubuntu server I have a vhost setup like this. ...
3
votes
1answer
73 views

Prevent email interruptions while switching web hosts

I have a website that is currently hosted at a company that also hosts my email address. I am switching hosts soon, and cannot have any interruptions in emails. What is the best way to go about this ...
11
votes
2answers
12k views

Auto-storing server host key in cache with plink

i've been trying to issue commands using plink to retrieve information from my external server. note that these plink commands are ran from a binary that expects no input from the user. is there a ...
0
votes
1answer
311 views

Nagios notification of host back up after being down

Is it possible to get Nagios to send out a single "Host/Service Back Up" notification after a host/service has been down? For certain notifications, my boss gets notified. Instead of waiting for ...
-3
votes
2answers
91 views

How do I change the name of my resolve host? [duplicate]

Possible Duplicate: What is reverse DNS? Traceroute an IP and the last entry gives me the host the IP resolved to. How do I change that?
3
votes
3answers
1k views

VirtualHost not working - always shows default

I have been trying to get this work for hours now. I am trying to set up virtual hosts with Apache on my VPS. I have the following virtual host file in my sites-available folder : <VirtualHost ...
0
votes
2answers
59 views

Will Tunneling help in this scenario?

I have a computer running 24 hours at a site protecteed by firewall, this computer call it 'A' can connect to internet but unable to host a site since the port is blocked. I have an idea to purchase ...
0
votes
2answers
2k views

VMWARE ESXi5.0 update1 scp from vmkernel is slow

My ESXi 5.0 update1 is a single server. All my network environment are Giga-LAN equipments and NICs. I want to backup all the files of every guest OS and ftp them to a NAS server. My ESXi server's ...
5
votes
3answers
9k views

Ubuntu 12.04 Netinstall URL? Xen Host

Well I have an Xen server, I've got a CentOS container up fine but a friend of mine wants (oh god) Ubuntu Server 12.04, why he can't use Debian is beyond my understanding. But anyways, I can't ...
1
vote
1answer
76 views

Info on SSH tunelling etc in certain context

Im an electronics engineer, with very little knowledge of networking and assoc. terminology I recently got a Lantronix XPort Pro for use in a project I am working on but have little to no knowledge ...
0
votes
2answers
401 views

AWS own email domain and some generic questions

I'm getting started with Amazon Web Services and I have a few question I'm not sure about. As every (company) webpage I want to use an "office@companyname.com" email adress, but how is that done? I ...
2
votes
1answer
10k views

Centos /etc/hosts doesnt resolve my hostname

[root@data001 etc]# hostname data001.dd [root@data001 etc]# ping data001.dd ping: unknown host data001.dd [root@data001 etc]# How do I fix this? This is on a fresh Centos6 build...does this not come ...
3
votes
3answers
175 views

is it possible to host 2 sites on a single domain but 2 different IPs?

I have Server A which hosts www.mysite.com I want to create and host a site on Server B, but configure it to: www.mysite.com/theSiteAtServerB TheSiteAtServerB is a completely different site from ...
2
votes
3answers
10k views

Configure proper DNS records for separate web host and e-mail server

I'm inheriting a mess and I need your help to straighten it out. The two primary objectives are to alter the DNS records for 'Example.com' so that the "internally hosted" email server (Domain ...
3
votes
1answer
2k views

Browser says “Waiting for www.xyz.com” for a very long time [closed]

When I load my website (hosted with Ipage). The browser often takes an incredible long time saying "Waiting for www.xyz.com ..." before any elements of the site actually appear. After this "Waiting ...
-1
votes
2answers
623 views

Bash loop to move directories on a remote host via ssh

I'm trying to figure out a way to perform the following loop on a remote host via ssh. Basically it renames a series of directories to create a rotating backup. But it's local. I want it to work ...
0
votes
1answer
836 views

Configuring /etc/host file in Ubuntu Server

I am configuring an Ubuntu server on Amazon EC2. The tutorial I am following says /etc/host to be configured like this. 127.0.0.1 localhost.domain.com localhost X.X.X.X ...
1
vote
1answer
2k views

MySQL Server “No such host is known”

I am seeing a weird MySQL warning in Windows server event viewer. The error says : IP Address 'xx.xx.xx.xx' could not be resolved: no such host is known. Any idea what this means and how critical it ...
-4
votes
1answer
69 views

What capacities should have a hosting to support an average of 1000 registered users simultaneously? [closed]

How much RAM, Disk Space, Bandwidth, etc would be needed? It's just and aproximate. I have no idea how to do a real implementation of a web service and I'm not going to, but I have to write a SRS ...
1
vote
0answers
286 views

CentOS 5.7 Xen Host

Here is the situation: I am running CentOS 5.7 x86_64 with Xen 3.0.3 (xen-3.0.3-132.el5_7.2.x86_64) and the Xen kernel (2.6.18-274.12.1.el5xen). The server has 8GB RAM, and an i7-950 @ 3.07Ghz. I am ...
4
votes
1answer
1k views

Rate/Bandwidth limiting with haproxy, what are the options?

I have tried reading up on different methods of limiting (rate/bw) with haproxy, but seems the only working implementation I find is per /32 ip based limit. Is it possible to do rate limiting based on ...