Ubuntu Servers :: Test Website In Private Cloud?

Oct 15, 2010

I have installed Ubuntu enterprise cloud on two machines(Cluster and node)and trying to set up an image and test my internal website in private cloud. if there is any documentation or any steps?

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Ubuntu :: How To Create Private Cloud

Jun 26, 2011

I have a number of questions related to Ubuntu and private cloud: I would be working on cloud computing for my final year project soonest.
1. What are the things to be done after installing ubuntu to deploy a private cloud.
2. My computer is running 32bit Intel CPU, is there anyway I could possibly install 64bit Ubuntu/Fedora OS on VM installed on this computer?
3. what are the other software applications that I need to install on ubuntu to enable me create a private cloud.

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Ubuntu Servers :: Network Between Cloud Controller And Nodes Is Required For A Proper Cloud Installation?

Jan 12, 2010

what kind of network between cloud controller and nodes, is required for a proper cloud installation? I mean, Does all machines needs to be in same network, in same lan, or may be in MAN or WAN ? how much should be network throughput? 1Mbit/sec , 10Mbit per sec, or 1Gbit/sec? I ask because I need to know the possibility of running nodes on different locations.

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Software :: Call Website With Bash Script From Private Server?

Jun 30, 2011

Me and my friends have a website about games and stuff. The web hotel we use clears the app-pool when it has been inactive for 15 minutes. We don't have that many users yet so this is a problem because it takes ages to load if it has been inactive. I came up with the brilliant idea of calling the website with a script from my private server at home every 5 minutes or so. That way it would never go down.

I used some lines from another of my scripts:
wget -q -O - http://homepage.se/ > /path/to/a/file.txt
cat /dev/null > /path/to/a/file.txt
and put it in crontab.

The script runs and all and I think it's better now but we can't know for sure if it is the scripts doing. Sometimes it's just as slow as ever and I start to think the script doesn't do anything. I've tried adding more wget-lines to fetch some different pages from the site and now running it every 3rd minute. No difference. Does anyone know another way to call a website in a way that would solve my problems? Am I using the wrong options with wget maybe? I've tried lynx (and piping to file) but it didn't work.

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Fedora Servers :: Several Postfix - Test Antivirus Scan Using Eicar Test Virus ?

Apr 8, 2009

I have installed Postfix + Amavisd-new, then I am started all services (and configured main.cf and master.cf to use amavis).

The questions are:

1) I am trying to test antivirus scan using eicar test virus

Code:

And the message is successfully delivered to mailbox with mark "CLEAN" in maillog. But I cant see any attachment using

Code:

Where is my mistake?

2) Should I update clam and how I can do it?

3) Is spamassassin enabled by default in amavis (I have started daemon)?

4) Where configuration files of spamassassin is stored?

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CentOS 5 :: Can Test Website On PC Without Running Any Stack

Oct 20, 2009

I have Centos 5.3 installed on my pc. I have mysql, PHP and apache server running on my computer too.Is there any way I can test my website on my pc without running any stack ( lampp )?

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Ubuntu Servers :: What Is The Enterprise Cloud

Sep 19, 2010

I have read just about every page about the UEC project, and I now know everything about it, except... WHAT IT DOES! I can't seem to find a coherent example of what it does. To the best of my understanding, it runs a virtual machine across multiple servers. Allowing the VM to use the RAM, CPU, and HDD resourced on all servers involved.

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Ubuntu Servers :: Can VM's Use More Than One Node In Cloud

Jun 7, 2011

Can a Virtual Machine, instantiated in the Ubuntu Cloud (UEC), use resources from more than one node?

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Fedora :: Host A Test Website On /home/user?

May 20, 2010

how to host a test website on /home/user? with selinux on (if possible) on fedora 12

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Networking :: Any Tool To Test Website With Slow Connectivity?

Mar 8, 2010

Any tool where I can test a web site with slow connectivity? E.g.:
A web server running at Location A
and from Location B want to test the web site hosted at location A with various speeds
How is the loading of the web site from location B at 256kbps, 512mbps etc..

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Networking :: IP And Port Forwarding From Cloud To Cloud?

Oct 24, 2010

So best if you take a quick look at this image, which describes a network topology: [URL]

I am behind a firewall in the university dorm and many ports are banned. Well pretty much everything besides 80, 8080, 110, 21, 22 and the most basic ones. So I'd like to get around that.

I have a home server that is connected and reachable on the internet. So if you type in 90.90.90.90:80 into a browser it's reachable.

The task would be to set up a port forwarding or how you call it in a way that if I access my home server from the dorm or anywhere, it would act as a forwarder and forward that packet or connection to the 80.80.80.80 server on a specific port, say 2083 so that I can even access my hosting Co's admin user interface.

To sum it up: I'd like to access the 80.80.80.80 server from the dorm on port 2083 which is blocked by a firewall, but I have a home server that is reachable on non blocked ports. The home server has no ports blocked.

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Ubuntu Servers :: Error When Adding Cloud Node?

Jan 4, 2010

First time setting up Ubuntu Cloud system.

I get error during install when searching for and trying to add node from the Cloud Controler: New node found on 192.168.1.182:add it? [Yn] y Connecting to 127.0.0:8774...failed: Connection refused. Error: you need to be on the CC host and the CC needs to be running.

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Ubuntu Servers :: Run The Eucalyptus Cloud Images Using Elastic Fox?

Mar 19, 2010

We do have a problem on running the images on the cloud server.. how we can use or how we can run the eucalyptus cloud images using elastic fox? or there is another simple way to activate those images provided by eucaplypus... thanx in advance... and were trying to activate the private cloud only..

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Ubuntu Servers :: 10.04 Desktop Vs Cloud Server Edition

Jul 15, 2010

What's the difference in terms of scalability? We would be hosting videos and FOSS collaboration tools (wiki, forums, etc.) on 4 separate servers. If I install the cloud server, I will need to install the GUI anyways. The servers are all brand new

- 2x Intel Xeon quad cores 2.4 GHz
- 12 GB DDR3 RAM
- 4 Ethernet ports

What benefits would cloud server provide over desktop and vice versa?

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Ubuntu Servers :: Difference Between Cloud And VMWare ESXi

Sep 4, 2010

differences between Ubuntu Cloud and other virtualisation systems such as VMWare ESXi, and why one would be used in preference to another?

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Server :: Multiple Streaming Servers In A Cloud?

Aug 9, 2010

I have multiple video streaming servers(Red5 running on machines internally on LAN. For different subdomains.Ubuntu 10.04 The front end to the is apache2 on a Bastion Host. To be able to reach the streaming server I embed a javascript in HTML pages as follows

Code:

<embed .....
var="rtmp://site1.my_domain.com"
>

[code]....

how will I make sure this rtmp request is mapped to a port different than 1935 as there are three other streaming servers which are also to respond to their respective requests.

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Ubuntu Servers :: Setup My Own Mini-cloud Storage System?

Jan 26, 2010

I have collected a number of computers over the years, and now I would like to put them to good use. I considered UEC, but many do not support hardware virtualization and all I really need is storage. Over all the machines, I estimate that I have 4-5 terabytes of storage, all going to waste because each one has relatively low storage space. Is there any way I could setup a redundant storage solution that utilities these machines in a networked system?

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Ubuntu Servers :: How To Switch Clients From A Normal Server To A Cloud

Feb 4, 2010

what cloud computing is and i think it can help me with some of my clients i want to switch my clients from a normal ubuntu server to a ubuntu cloud. as of right now i have to send out a bill to them and if they dont pay i have to shut down there service till they pay. what i would like to do is to have a cloud where i can sell them based on what they use not a set price like it is now. and have them be able to pay there bill on the cloud and if they miss the bill then the cloud can shut off there service till its payed.

i dont know if this is possible and i have looked everywhere and all i can find is info on other businesses billing and now how to set up a cloud to do this. i wish there was some kind of tutorial for this. if anyone can direct me to some good notes/tutorials that would be very helpful. this could be a big changing point in my business if i can do this. it would save a lot of time and cash.

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Ubuntu Servers :: Enterprise Cloud Services Not Running On Boot?

May 7, 2010

I downloaded the latest 10.4 server CD with the intention of running a small Ubuntu Enterprise Cloud. I am following the directions here: [URL] Ive got 2 laptops that are capable of the tasks assigned to them. Both have dual core Intel chips that are VT enabled, 4GB of RAM, 250GB hard drives. Ill use one ( "server" ) as the front end server running cc, clc, walrus and sc.The other one ( "node1" ) will be the only node controller on my little network. Ive also got another laptop as a client, running euca commands to make instances and what not.These three laptops are connected to a switch. server is 192.168.1.100, node1 is going to be 192.168.1.110, the client laptop is 192.168.1.120.

the server seems to install fine, I select Install Ubuntu Enterprise Cloud, use it as the Cluster, give the cluster a name and 10 IPs to assign, 192.168.1.150-192.168.1.160 After the server is done installing and reboots, I boot the node machine off the CD and again select Ubuntu Enterprise Cloud. It's at this point the install craps out, because it does not recognize a cloud computer on the network.

Indeed, as I go to the server I run

Code:

ps -aux | grep euca

and see nothing running. So I start the eucalyptus service, and run

Code:

sudo euca_conf --list-clusters

and nothing shows up. Ive done some googling, ran some more euca_conf commands, registering the cluster, enabling walrus, cloud and sc. I can access the web gui on the client laptop, then restart the node install on the node laptop. This time it does see the server as a cluster controller, but when it tries to fetch the preseed file, it seems to not know the cluster's IP, as the red box that complains about the lack of a preseed file lists the URL as [URL] ( or whatever the file is called, I dont have the error in front of me. )

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Ubuntu Servers :: Apache Reverse Proxy Redirecting To Eucalyptus Cloud Settings

May 26, 2010

I am having a few websites running in a Reverse Proxy scenario on Ubuntu Server 10.04. The configuration is like this:

Code:
|--------------192.168.1.1
| (site1.abc.com)
|
|--------------192.168.1.2
| (site2.abc.com)
|
|
|
|
|--------------192.168.1.3
| (site3.abc.com)
|
|
|
|
|--------------192.168.1.4
| (site4.abc.com)
(Public IP ) |
A-------------------|
(reverse proxy server) |
(192.168.1.25) |
|--------------192.168.1.5
| (site5.abc.com)
|

Except one all websites are running properly and being redirected to their respective domains.
Following is the configuration which I used for each site define on server A a vhost file which contains following

Code:
# ProxyPass / http://<Ip of Server>
# ProxyPassReverse / http://<Ip of Server>

So if I have 5 websites then I have 5 vhost file on the gateway in above diagram A and in each of those file as above root of site is redirected to internal IP. 4 of them are running properly. The fifth website is running on port 8080:/keyword. So in its vhost file on gateway I defined

Code:
# ProxyPass / http://<Ip of Server>:8080/keyword
# ProxyPassReverse / http://<Ip of Server>:8080/keyword
I can see on Lan http://<Ip of Server>:8080/keyword but when from internet I try to see:
http://site5.abc.com
I get redirected to a page is https://site5.abc.com:8443/ and it says

Code:
The webpage at https://site5.abc.com:8443/ might be temporarily down or it may have moved permanently to a new web address. The site5.abc.com has a requirement to be run at port 8080 internally and it is not a Ubuntu server.(Red Hat based server). While rest all are Ubuntu servers including gateway A.

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Ubuntu Servers :: Access Virtual Instances Running On The Cloud From Remote Desktop?

Aug 8, 2010

I am a novice in the world of cloud and recently managed to configure Ubuntu 9.04 Cloud (using kvm, eucalyptus and other packages) successfully at my college for my project work. The problem is that i can only manage to view the running instance using rdesktop from any remote machine. Is there any way to do this other than rdesktop/logs? Secondly, I want to develop a application on the lines of google docs as a part of my project. Is it possible to install apache server on this virtual instance, and host a website? How will the client access this website? Which frameworks would be required or do I have to develop one?

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Server :: Process Of Setting Up A Couple Of Virtual Servers In A Cloud Environment?

Mar 17, 2011

I am in the process of setting up a couple of virtual servers in a cloud environment. I am currently working on my application server (Server 1) and am stuck on the creation of my ruleset for this server.

I need to allow SSH, FTP, HTTP, HTTPS, and PING on this server. This server will also need to be able to talk with a couple of database servers as well as a memcache server (all internally within my cloud environment)

I have been reading on iptables, since I have never messed with them before, and have come up with the ruleset I will paste below. I have taken other steps to secure my server...changing ssh port, not allowing root to login via ssh without logging in as a user, turning off unnecessary daemons, editing my hosts allow/deny files, just to name a few.

I am a newbie to iptables, so I would love a bit of helpful advice, criticism, and even a good explanation why I should add or remove or edit something. I really want to know the how AND the why!

[Code]...

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Ubuntu Security :: Private Folder For Private Files?

Aug 18, 2010

i noticed that all files can be seen by another computer if the drive is accessed

can I stop this? can i set a private folder?

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Ubuntu Servers :: How To Setup A 2nd Ftp Account For Own Private Use

Jan 12, 2010

i followed this guide, [URL] a few days ago and set up an sftp server no problem. The user can only see what is in there home folder which is only the examples file which is empty. Today i went to set up a 2nd ftp account for my own private use. I have it set up and all, followed exactly what he said the 2nd time around and my 2nd user is not chroot'd. I can explor the contents of the whole drive.

My fist user that works fine is "ftpuser" and the group is "sftponly" just like in the guide. My 2nd user is named "ftptaylor". Now i did have an ftp server set up with vsftpd where i had the same ftpuser account in a different group, but it was jailed to /home/ftpuser. I cant tell you how i did it, i followed a number of guides untill one worked. But could it be that the guide above does not in face jail the users, but just that my user was already jail'd?

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Ubuntu Servers :: How To Make Private Webpage

Mar 19, 2010

i want to make a webpage so that only people on my network can see it. how do i do this

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Ubuntu Servers :: Add Some Directorys For Private Use (to See How It Works)?

May 14, 2011

I would like to accomplish: 1. Users to have access to their own Share on the server, no one exept the user shall be able to browse, read/write. (sould the user directories be in /home/<username> folder or shall one use another structure?

2. There shall be a public are where all users can browse, read and write. no guests, only users who have accounts!

3. A GroupShare. Users who are members of group Staff many browse, read/write.

4. Add some directorys for private use (to see how it works)

So would this be correct: Create the Directory Structure on the server:

Code:
# mkdir /usr/smbroot
# mkdir /usr/smbroot/users
# mkdir /usr/smbroot/public
# mkdir /usr/smbroot/groups/staff
# mkdir /usr/smbroot/private/fredrik_extended
or shall one use the default user shares /usr/<username>/?

[Code]...

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Ubuntu Servers :: Setup The Necessary Public/private Keys To Use In FileZilla?

Jan 26, 2010

I installed OpenSSH via tasksel and am using Webmin for administration. I'd like to be able to SSH externally and want to setup the necessary public/private keys to use in FileZilla. In Webmin, under Servers > SSH Server I can click 'Host Keys' and see an RSA key. Is this the public or private key for my server? Do I need to copy this into a text file to import it into FileZilla on my remote PC (that I want to connect from)? Is that all that needs to be done (aside from opening the port on my router/firewall)? Or, is there an automated way to set this up via Webmin?

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Ubuntu Security :: Public / Private Keys On Multiple Servers?

Mar 26, 2010

At the moment we have one SSH server with the private key being on a usb flash drive, and the public key being on the server in authorized_keys2. Now that three more servers are coming online, should we generate new keys, so we have muliple private and public keys (one pair for each server), or use the same two keys to access all the servers

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Ubuntu Servers :: Using X11vnc On Virtual Private Server To Connect

Sep 26, 2010

I have a virtual private server that I am trying to connect to using x11vnc. I ran this through ssh to setup gnome

sudo apt-get install gnome-core
sudo apt-get install gdm
sudo /etc/init.d/gdm start
sudo dpkg-reconfigure xserver-xorg

I later ran sudo apt-get install ubuntu-desktop to see if that would help.

Code:
#cat /etc/issue
Ubuntu 10.04.1 LTS
l
Code:
#sudo startx
Fatal server error:
xf860OpenConsole: Cannot open /dev/tty0 (No such file or directory)
I assume this is because it probably doesn't have a video card.
[Code]...

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Ubuntu Servers :: Access Stuff (File) Over The Private Internet

Aug 8, 2011

I'm a absolute "server- noob" but I've got some experienced with desktop linux and want to build my own file server to access my stuff over the internet. I'm using dropbox for a while now like a cloud drive by simply mounting the "private" folder (which I encrypted with encfs/BoxCrypt) in order to cross-platform use important files. The problem is that Dropbox only provides 2 GB for free and I don't know how secure my data is up there. Moreover I don't wanna always sync all files locally.

I got an intel atom machine standing around and so I want to build my own file server to provide the same or at least a similar service.

1. Which type of server application provides a "network drive" that computers (several users) from the internet can access?

2. What's the best way to encrypt my data and transmission in order to make the system absolutely unattackable/unreadable from outside?

3. Is there a service that can provide a dropbox-style sync mechanism?

4. Which distro should I use? I'd prefer a non-desktop enviroment solution but never had anything to do with it. Is that possible for an average linux user?

I'm aware that this solution won't be very fast because of the limited upload of a standard internet connection but that would be ok! It's more that I want to have the possibiltiy to access all my data as a thin-client anywhere, anytime on any machine and still be on the safe side. I know that this is some kind of contradiction but what would be the best compromise? I know some questions may sound stupid but I really never had anything to do with servers at all in the past...

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