Networking :: Setting Up A Cloud Server?
Apr 14, 2011
To be short and to the point, I want to setup a service with my clients and allow them to back up to one of my servers. What I would like to do is allow client connections via WinScp to a ssh server that has home directories for each user to backup data. If users want their data I would like them to be able to connect to my apache web server (same as ssh) and download from anywhere.
Is there a way for apache to link web directories on the server to the actual /home/user account and use the same login information/authentication?? Does this make sense? I really appreciate the help. I am not a developer or else I would simply develop a user friendly front end for to an ssh server. Since that is the case I think this is the best solution for me, as well as the easiest for the client.
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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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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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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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Jun 15, 2011
I have installed the Apache, PHP and MYSQL in the rackspace cloud server environment. Can anyone please guide me How can I configure email server in that with postfix or some other with multiple domain.
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Nov 27, 2010
i have installed ubuntu cloud server, but this server dosent have gui.
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Feb 20, 2011
I hope this post is in the right area of the forum.I am searching for the right operating system and application(s) to build a cloud data storage server business like Backblaze.Backblaze uses Debian but uses their own custom application to manage the data, uploads, accounts, encryption, etc... So my real question here is: does anyone have any recommendations for existing application(s) I could use on top of Debian to handle this stuff?
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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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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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Nov 9, 2010
I have a plan to deploy a private or public cloud computing. And I've been considering Eucalyptus, OpenNebula, Nimbus, vSphere, abiCloud and Joyent.
I'm very interested in Eucalyptus and OpenNebula, since they are both open source, they have many features, they both support Amazon EC2 and Amazon APIs and they seem to be able to work with different hypervisors, such as KVM, Xen, VMWare ESXi, etc.
Eucalyptus seem to be very supported by Canonical, because it can work with Centos Server, so I bet it will grow more and more, and we have a good experience with Linux and in particular redhat.
On the other hand, many people told me that right now OpenNebula is better. So the question is:
- which one between Eucalyptus and OpenNebula? The other three choices? vSphere is probably free (if we use ESXi and not ESX) but it's not open... abiCloud seems to be similar to Eucalyptus and OpenNebula... about Joyent, many people say very good things, but I want to know more, and then, is it open source? I mean here, can I use it as free ?
After having built the private cloud, we probably want to also use an external service and create an hybrid cloud. If for private cloud we chose OpenNebula,Eucalyptus, abiCloud or Nimbus I guess the best thing is to use Amazon EC2.
- Is it also possible to use VMWare solution?
- And if we chose abiCloud or Joyent, what can we use to create an hybrid cloud?
About Microsoft Azure and Google App Engine, it seems to me they have many limitations and I prevent it because it could be have a highly cost, so I'm not considering them.
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Nov 15, 2010
I have set up a cloud (Ubuntu) environment in my test lad and it's working fine I am confused setting up the public IP in the production environment. The cloud instance will get only a Internal IP address ( Private) we cannot bind the Public Ip to the cloud instance as it uses Elastic IP, so I am confused how can I set up this if I have about 250 Public Ip to 250 cloud instance. How will I map this 250 Public IP with the 250 internal IPs is there any hardware device.
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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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May 1, 2011
Last night my old Sony Vaio laptop which connects via wired Ethernet and runs Ubuntu 10.10 started hammering the network out onto the Internet. Fired up Wireshark and found lots of traffic between my machine and 174.129.193.12 which I did a whois on and found belonged to Amazon EC2 Cloud Server. The port on my machine was an unknown 5000+ but the port on the remote system was 443 the port used by https, however no browser was running. Did a search and put together a couple of iptable commands to block this IP address which stopped the traffic. I then used nmap and netstat and found port 3000 open and another connection to IP address 91.189.89.76 which I also blocked. Unusually no info exists on this IP when you do a whois. At first I thought it might be some sort of sync as this machine has Ubuntu One running on it, however it could also be something else.
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Apr 8, 2011
Over the last 3 or 4 days, I have been unable to load sites that serve their images, scripts and whathaveyou from Amazon's cloudfront domain.
[URL]
I have made no changes to any of my networking files, hosts{allow,deny}, or dns settings.
Connections don't provide any errors, just continually fail to load. Stopping the page load after a while reveals the raw HTML in some cases (quora and blekko).
Tested in Firefox, Chromium, Midori and Vimprobable.
I have booted into another distro and pages resolve immediately.
I have disabled IPV6 and my firewall - to no effect.
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Feb 20, 2011
I have a vps server on debian linux and nothing else! No panel and no other programs. I want to connect my domain to my server.
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Sep 5, 2009
I am trying to set up a nfs server on my Fedora 11 host machine so that my virtual machines on the same host can access files on the host.The ip address of my host machine is 192.168.1.132The ip address of my virtual machine is 192.168.122.180I can ping successfully from host to virtual machine and vice versa.On the host machine, I have the following :1) Edited /etc/exports to add this one line./home/stardust496/files 192.168.122.180(rw,nohide)2) service rpcbind restart3) service nfs startOn the irtual machine, I do the following:1) mkdir /mnt/files2) mount 192.168.1.132:/home/startdust496/files /mnt/filesBut the mount call does not succeed. (It hangs for a while and then returns saying that it did not succeed)
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Jul 18, 2010
I've been trying to set up a music server and running into some difficulty.
I want to be able to stream music and video to my network and over the internet.
From what I've read so far ampache is what I would like to use but I've yet to find a user friendly guide on how to set it up. I've never set up a server before so all of the guides and documentation have just confused the heck out of me.
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Mar 24, 2010
I'm setting up a loopback server for work related testing. I have a small program that needs to be executed through telnet from about 200 IP's on the same network. On the server, I have to set a static ip, enable telnet login, and place my 2 program files in the appropriate folders so it will run. I have been on this for 2-3 days and haven't got far.
My /etc/Network/interfaces file is this...
Auto lo
iface lo inet loopback
The rest of terminal is filled up with these, and it states that the file only has 32 characters. I don't know if this is a privilege issue or not. I've read several threads on telnet, and lots of arguments about ssh, but I can't run ssh, so I need to enable telnet. There is not a security issue. I run a private network where the only valuable resource would probably be the text file with my IP address on it. Its also accessed by people that have very limited networking knowledge and no linux knowledge...
So,
Set static IP
Setup telnet server...
Any takers?
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Nov 27, 2010
I'm trying to set up an old computer that was donated to my by an aunt to hold my external hard drives and use it as a file server so i can use them from anywhere within my house. However I can not seem to get the samba server to broadcast/be seen by my ubuntu installation, nor my windows installation.
I've read the manual, to an extent, but I feel as if I am missing something. All I want is to have it to where I can just type in \server and bring up my files to access without having to worry about passwords.
Here is the config file:
Code:
[global]
workgroup = WORKGROUP
netbios name = GrenadingBadger
security = share
[Code]....
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Dec 19, 2010
I do not know much at all when it comes to setting up hardware--servers, switches, etc.
I have a 1701HG 2Wire wireless router that I use for my home network. I have an old pentium 3 tower that is just laying around, and I want to be able to host my projects on it for testing. Basically, I just want to be able to do everything on my laptop and then upload it to the server for testing.
I have set up an Ubuntu LAMP server on the desktop and am able to do everything I want via SFTP; however, I want to be able to type in "projectx.local" in a browser on my laptop to go to one test site, "projectz.local" to go to another, etc.
Is this possible, since I do not have the server set up as my gateway? It is merely connected to the router like everything else.
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Jan 8, 2011
I recently started to set up a SSH server, I was able to set up a Hamachi based VPN and was able to connect to it on all levels, for about 5 min, after that the server goes into idle mode and is no longer able to connect to that computer via LAN or Hamachi. Not till after I shake the mouse can I connect back in via LAN, and I have to log out and back in of Hamachi to get that to work. Is there a way to stop the Internet shutdown on that computer when it goes into idle mode? SSH servers are more or less useless if it doesn't let me tunnel in when I need to. This is for Ubuntu Server.
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Jan 28, 2011
post the "perfect" tutorial for setting up a router and firewall for Ubuntu 10.10 Server 64-bit? I'm kind of a n00b when it comes to Linux, so I get really confused with some things, I have seen things on the ubuntu wiki about this... but it really confuses me =
I'm trying to setup my ubuntu sys as a router and firewall... Internet -> Ubuntu (Router) -> Switch (no DHCP on it) -> Computers I've already setup bind and dhcp3 and got those working perfectly... I've also setup Squid3 and Dansguardian for content filtering (blocking ads and such) and got them working too... I want to set it all up to be transparent, and allow the system itself to function as a powerful firewall router, giving absolutely NO issues to client computers connected, and no speed reduction at all.... I want to setup the firewall to allow all outgoing connections, but block everything incoming (stealth the network)... Forcing all http/s traffic to pass through dansguardian, then to squid...
But am very confused on how to pull this off... The system is running Ubuntu 10.10 Server 64-bit, with 4 GB of RAM, 320 GB SSD, and two 1Gb NIC cards... Sorry if I'm not very clear, I do speak english perfectly, but just kinda new to the "Linux world", I was using SONICWALL but that's getting a little too costly to my network and wanna do a free alternative... Something completely CUSTOM, not using some network security distro.
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Feb 12, 2011
I used windows OS and installed Ubuntu 10.04 (amd64) in separate partition and works well but had a problem in internet connectivity. Likely reason may be the proxy setting that we used in college (currently). I used this commands to set up the IP address and gateway.
ifconfig -a | grep eth
"eth0"
sudo ifconfig eth0 192.168.5.209 netmask 255.255.255.0
[code]....
Then I manually set the proxy setting of HTTP which is given as proxy server 192.168.5.2 and port as 8000, further more there is a wins setting which is 192.168.1.178, really don't know where to put this number.
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Mar 25, 2011
i need to set up a print server on my network
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May 11, 2011
Looking to force eth0 & eth1 to 100MB Full Duplex/Auto Negotiation off but am having trouble.
When I run: "ethtool -s eth1 speed 100 duplex full autoneg off" manually, it works fine. However when I add it to the intefaces file it does not after several different configuration attempts:
/etc/network/interfaces:
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
#auto eth1
#iface eth1 inet dhcp
[Code].....
it seems my current configuration wont allow both eth0 and eth1 to be active at the same time. I would like them to be active-active if possible (if one goes down the other will service all traffice and vise versa).
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Jul 16, 2011
I'm going to be going off to college in the fall and the internet probably won't be blazing fast like it is at home, so I was wanting to set my desktop up so that it would act as a local cache of the parts of the internet i frequent the most, but I can't find anything like that. All the tutorials I've found are either for sharing the load on a server or for setting up a separate machine as the squid.
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Sep 9, 2010
I'm setting up a VPN with openVPN on a debian lenny server. I successfully installed it in the server, then created the certificates and both client (winXP) and server config files. For the client I use openVPN gui. I tested the tunnel and everything went just fine. I even can ping the openVPN server from the XP client.But thats all. I can't ping any machine behind the openvpn server.Some facts that you may find useful to help me with this issue are:
- The openVPN server is not the default gateway of the LAN. The dg is a pfsense server
- I dont have iptables enabled (policy of all chains are ACCEPT).
- I have configured ip forwarding (echo "1" >/proc/sys/net/ipv4/ip_forward)
[code]....
I have checked and all seems to be OK. I think that the problem is connected with routing the traffic from the vpn to my LAN but I don't know how to do that (besides the push route line in the server.conf).
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Jan 15, 2010
Ive spent the last couple of days looking for a way to set this up and cant find the solution anywhere. Right from what iv read so far i understand i have to set the card to master mode but when i try
Code:
sudo iwconfig wlan0 mode master
i get the error
Code:
Error for wireless request "Set Mode" (8B06) : SET failed on device wlan0 ; Invalid argument.I read somewhere that the madwifi driver is up to the task but im still quite new to linux and not really sure how to change the drivers. this is what iv done so far
Code:
wget http://snapshots.madwifi-project.org/madwifi-trunk-current.tar.gz
tar xvxf madwifi-trunk-current.tar.gz
cd madwifi-trunk-r4108-20100115/
sudo make
[code].....
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Feb 24, 2010
I know this is possible, the problem is all the guides seem to be out of date A combination of missing packages and obsolete packages are giving me a headache.
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Jun 21, 2010
I am using VSFTPD as my FTP daemon. I want it to be set up so that my user (cj) will have a default directory of / when I log on to the FTP server and I want the secondary account (guest) to have it's home directory as the default location without any access to the root of the drive.
I need my account to have the default as / because the FTP client that I use in Windows won't go up to the parent directory of the default. Therefore, I cannot access the rest of my drive.
When I set "local_root" to "/" , it brings both users to the / directory when they sign in, even though the guest account is set to open the home directory with the "chroot_list_enable". It seems like the local_root option overrides the chroot_list_enable option.
Is there any way to set the default directory for each local user separately?
Also, Let me know if this is impossible with this FTP daemon
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