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7
votes
1answer
195 views

Linux/Unix - /etc/sudoers - host definition

can anybody tell me in which case the sudo host definition is useful? I mean this part of a line in the sudoers file: bob host1 = NOPASSWD: reboot In which environment (except sudo via LDAP) do I ...
1
vote
1answer
27 views

Apache2 virtual host redirection issue on Chrome

I am having an extremely bizarre issue that seems only present on Chrome, IE and Firefox are fine. I have 2 website being served by 1 IP address, I have 2 identical files in sites-available named ...
0
votes
0answers
25 views

My Debian 7 server lost all saved fingerprints

I am running some snapshots for my daily backups on the server. The backups were broken yesterday and by checking, I noticed that all the remote servers fingerprints were lost and I had to add them ...
1
vote
1answer
60 views

Creating multiple Virtual Hosts in Apache the right way (macosx)

I got a strange problem trying to define multiple virtual hosts in Apache. This is my code for httpd.conf file: <VirtualHost *:8888> ServerName site1.local DocumentRoot ...
1
vote
1answer
87 views

Locally resolve a name in a DSN lookup (Host not found: 3(NXDOMAIN))

I have a Ubuntu 14.04 Server virtual machine in which I would like to resolve a symbolic name to an IP address locally (i.e., the machine itself should provide the mapping). The mapping is the ...
0
votes
2answers
66 views

On EC2 - How can one instance telnet the other using ip-XXX-XXX-XXX-XXX format

(Noob @ unix&EC2) I created 2 ubuntu instances at EC2. I needed to cluster one of my services and following the tutorial I used the format ip-XXX-XXX-XXX-XXX (i.e. ip-123-456-789-012) as ...
4
votes
2answers
3k 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
2answers
142 views

Point to Point Connection Between Two Hosts

I am trying to set up a point to point connection between two Linux host machines. I've connected both of them with crossover cable, but they can't ping each other. Here are the configurations for ...
0
votes
1answer
144 views

smbclient -M nt_status_bad_network_name error

I am trying to send a test message (for a test project) from my Ubuntu Virtualbox Guest to my Windows 8 host. I am getting the error nt_status_bad_network_name error. What I know that works: I can ...
0
votes
4answers
2k views

FTP/FTPS/SFTP/SCP - Speed comparison [closed]

How do FTP, FTPS, SFTP, and SCP compare in terms of transfer rate and how can I compare them through testing?
-1
votes
2answers
46 views

Is possible for a vps service with own ip addresses to have ports restricted? [closed]

I am looking for a cheap vps service, and i found some, but the most appellative i found for what i need ("fileMedia") has a really bad translation on its page and there is something which is leaving ...
4
votes
1answer
495 views

Hyper-v on 2012R2 startup gen1 vm causes the host to freeze up

I've searched a lot to resolve the following issue, but nothing helped me. My problem is, that starting up a first-gen vm locks up the whole host. Only a hard reset helps. Second-gen vm starts and ...
3
votes
1answer
904 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
vote
1answer
343 views

How do i reference redirected host drives in a remote desktop session

When I remote desktop into a server, for example, local drives and mapped network drives from my host computer appear as ON . I can access these drives using Windows Explorer, but I also need to ...
4
votes
4answers
148 views

What's the point of changing the hostname on my server?

I know that changing my DNS records to point to my IP address is how I get my server accessible, so that a request for myDomain.com points to my IP address. With that said, why does a machine need to ...
2
votes
2answers
99 views

linux: shorter 'host' command output

I'm using dns to manage my virtual hosts. In order to do so I query my nameserver with the host command for for certain values is need. For example: > host -t txt mycl1.vz mycl1.vz.myserver.de ...
4
votes
3answers
6k 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 ...
3
votes
1answer
233 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 ...
2
votes
2answers
80 views

I have a list of netbios names and want to find the IP addresses

DNS is spotty in the network, but netBIOS in enabled on most machines. I have a dozen netBIOS names for Windows servers somewhere in the network. It is impossible to just go to all machines, log in ...
1
vote
3answers
378 views

Separate DNS provider,registrar, and dedicated server / host?

I've been a corporate internal programmer for most of my career and the world of hosting, DNS, etc. is very new to me. I appreciate your patience. I'm now working for a much smaller ecommerce ...
0
votes
1answer
101 views

postfix doesn't work after iptables set up

here's my problem: # iptables -P INPUT DROP # host -t mx gmail.com ;; connection timed out; no servers could be reached # iptables -P INPUT ACCEPT # host -t mx gmail.com gmail.com mail is handled by ...
1
vote
0answers
714 views

Upgrading from ESXi5.0 to ESXi5.1 Host Profile Incompliance

When we are upgrading from ESXi5.0 to ESXi5.1 we get these 2 warnings in the summary of eache upgraded host: ÔÇťAssociated Host Profile contains NIC teaming reverse policy settings that cannot be ...
0
votes
1answer
63 views

Testing website in new server before switching DNS not working

I have hosted several websites in an old server, now I want to move them to new server. Before switching DNS I want to test whether everything works fine in new server. For this, I copied all the ...
-1
votes
1answer
48 views

Host command reverse result [closed]

For example I do in Linux using host command: host yy.yyy.yy.y Result: Host z.zzz.zz.z.in-addr.arpa. not found: 3(NXDOMAIN) Then I repeat host command in a reverse with z.zzz.zz.z than I got a ...
0
votes
0answers
110 views

Replace header Host in lighttpd, when proxying

How do you replace the Host header of a request in lighttpd? I know of mod_setenv, which can add a Host header. I've tried to use the following configuration: setenv.add-request-header = ( "Host" ...
3
votes
3answers
392 views

Why is DownOrNot and JustPing reporting that my website is down?

I was pinging my site with DownOrNot and it is reporting that my website is down from ALL locations: http://www.downornot.com/qweop Then I pinged it with JustPing and it is reporting that my website ...
0
votes
0answers
12 views

domain generating webpages from an old installation

I recently started an account with a new hosting service and changed the "A" record of one of my domains to point to the new ip address. The domain is still generating webpages from the old ...
0
votes
1answer
42 views

Why specify host for SMTP? [closed]

I'm sending emails using gmail's SMTP API. You can specify the host. I don't yet have a domain name so have set this as the IP of my production server. I presume setting the host makes it less ...
4
votes
1answer
51 views

“Couldn't resolve host” for any external content

On our site we run a few different scripts for various sites (uploading to amazon s3, data from chartbeat, script to count twitter followers) and all of them just stop working from time to time. They ...
1
vote
1answer
121 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 ...
5
votes
2answers
2k 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 ...
2
votes
3answers
65 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
68 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: ...
1
vote
1answer
1k 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 ...
0
votes
1answer
55 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 ...
-2
votes
2answers
99 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
46 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
96 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
51 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 ...
1
vote
2answers
183 views

Difference between 'Uplink' and Port Speed

Some web-hosts use the term uplink and some other hosts use port speed, relating to servers. Why? Is there any difference?
1
vote
1answer
86 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
53 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 ...
1
vote
7answers
360 views

How would you create a web host provider?

What would be required to create a web host? Servers? Nameservers? Software? Cpanel? DNS? If you were to start a web host from the ground up, what would you do? What technologies would you use? ...
0
votes
1answer
93 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
195 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
161 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 ...
0
votes
1answer
872 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. ...
1
vote
4answers
114 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 ...
5
votes
1answer
21k views

How do i find out what my IP Address of my MySQL host is?

I have a free domain running at x10hosting (x10.bz), and I want to find out the IP Address of my MySQL host for it, so I can contact the MySQL database from another host. I've already added that host ...
1
vote
3answers
2k 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 ...