Ubuntu Servers :: Extra Benefits / Features Of UEC Over Virtualization

Apr 3, 2010

I have set up UEC and have installed the store images. I have seen that we can create and run instances which are similar to virtual machines. We can utilize virtualization and create virtual machines and thereby fully utilize the server. Not sure what extra benefits or features can be achieved using cloud (say UEC). I suppose I am missing something. Kindly let me know how cloud adds more value than server virtualization.

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Ubuntu Servers :: What Virtualization Software To Use

May 2, 2010

I am reading 'Deploying Rails Applications' and want to create a Rails clustered deployment setup as described in page 141:
Host: Ubuntu server
Guests: 2 Ubuntu vms, each with Nginx on port 80, a few mongrels (app server for rails) and MySQL
What open source virtualization software do you recommend for this purpose? I am trying virtualbox but heard good things about KVM. I have some questions regarding vbox and posted them on vbox forums - [URL].

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Ubuntu Servers :: How To Decide Which Virtualization Platform To Use

Mar 12, 2010

I want to run 4 instances of a Virtual Machine on a Dell Power Edge 7401 machine want to know which Virtualization platform will help is there any performance compatibility test some where so that I can understand it.

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Ubuntu Servers :: Web Gui Control Pane Which Can Be Used For KVM Virtualization?

Jul 24, 2010

There are lots of technologies which are used for virtuaizing such as OpenVZ, Xen, VMWare, KVM.

I tried all except KVM. Is there any web gui control pane which can be used for KVM virtualization ?
Like, HyperVM is used for openvz and xen, vmware have their own control panel web gui

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Server :: Two Servers Versus Virtualization

Jun 2, 2011

I am leading a project at work that will require at least one new server. There will be a development server and a production server, which changes from development will be rolled onto. Unfortunately, I am more of a web programmer than a Linux guru, and I really don't know whether or not it is better to have two physical servers or two virtual servers on one machine. I don't think there will be a huge toll on the machine, as there will probably be around 1000 total users and less than 100 on at any given time. We are also able to spend quite a bit on the server, so I'm sure one could handle it, but I just wanted to check and see what the advantages and disadvantages would be in this situation.

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Ubuntu Servers :: Virtualization - Small Web Hosting Service

Nov 22, 2010

I've got a small web hosting service, for some of my friends. Where I want my friends to be able to have dedicated virtual servers just for a simple LAMP and ftp-server.

I've got quite limited hardware.
AMD Athlon II (Dual core)
4 GB 1333 MHz DDR3 RAM
100 Mbit Fiber-lan ( Dynamic IP )

What I would want to know is how to create the virtual servers in an truly optimal way. Should I use KVM or VirtualBox? How can I make the request to mydomain.org go to one of the virtual servers and the request to anotherdomain.com go to another virtual server?

If the virtual server is the best solution.
* How much memory should be sufficient for a simple LAMP/FTP-server?
* What would be the most optimal settings for my limited hardware capacity?

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Ubuntu Servers :: Web Jukebox Software - Use Nice Web Panel And Useful Features

May 27, 2010

I'm looking for a good jukebox software, by good, I mean, easy to use, nice web panel, and useful features. (Okay, it's a bit vague...I admit it) So I need your help to find the "best" one (I know it would be even better to try every solution, but I'm sure I will not be able to see every features as you might have seen) I've seen so far 3 good projects:

- Ampache
- Jinzora
- and Subsonic

I've tried Ampache and Subsonic thanks to their demo. Unfortunately I didn't manage to get a demo of Jinzora. Ampache seems a bit 'old fashon' (The interface is not very clear, not very user friendly, ...) but seems to get good features. inzora, according to the screenshots I've seen, the interface is quite complete. And Subsonic seems to be a really good one (but in Java), a lot of features and a nice interface. I'm not asking you which one do you think is the best, but which one do you prefer and why ? Which useful features, pros and cons, etc.

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Ubuntu Servers :: Cannot Find Extra Available Space?

Jul 19, 2011

My ubuntu server is a 1.5T with 448GB available. When I backup my files each night, my files only amount to 397GB. Is there an easy way to see where the extra 600 GB on my server is located? I think that I might have had a couple of old backups write to the server, but I cannot find them.

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Ubuntu Servers :: Create Partitiontable On Extra Harddisk?

Jun 7, 2010

I have added a new harddisk to my system and would now like to use this as simple storrage.This is my fdisk info Quote:

jakes@jakes-server:/bin$ sudo fdisk -lu
[sudo] password for jakes:
Disk /dev/sda: 1000.2 Gb, 1000204886016 byte

[code]....

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Ubuntu Servers :: Upgraded From Maverick To Natty - Installed Unwanted Extra Packages

Apr 30, 2011

I upgraded my dedicated server using the do-release-upgrade command, and it seems to have installed many extra packages I do not require. This is a headless server in a datacentre, yet the upgrade caused me to install GUI packages I do not need. Is there a way to quickly remove all but the default server packages?

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Fedora Servers :: NFS Mounts Extra Home Folders On Login

Mar 17, 2009

On our network, we authenticate our users via LDAP and use autofs to mount their home directories. This works fine in Fedora 8. However, in Fedora 10, when the user logs in, it also mounts the home folders of the users that previously logged onto the system as well. This is what I see when I login as "user1" on Fedora 10

[Code]...

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OpenSUSE :: What Exactly Is The Extra Repository /repositories/KDE:/Extra

Jul 18, 2010

there are 2 related to 11.3: openSUSE_11.3/ and openSUSE_11.3_KDE_Distro_Factory/ Index of /repositories/KDE:/Extra they are not listed as official kde4 repos here KDE repositories - openSUSE, but they are in the same directory structure on the build service so it would assume they are official (what ever official means) They have rpm's I didn't see in community and playground (at least for 11.3) such as audex and clementine I would guess that they are for the stable and factory versions of KDE4 but then shouldn't there be a 3rd for unstable if this was the case? Or do they refer to the distro, 11.3 stable and 11.3 factory

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Ubuntu :: Benefits Of Wiping Out Windows?

Feb 10, 2010

What are the benefits of wiping out windows and have your system running on linux only?

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Ubuntu :: Benefits Of Setting Up Own DNS Server?

Nov 5, 2010

I've found plenty of how to's and information on setting up a DNS Server, but what I can't find is how it would benefit me? So, that's just what I'm asking here. How would having my own DNS Server benefit me?

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Ubuntu Networking :: IRC Channels - Benefits Of NFS Over CIFS?

May 14, 2011

I was asking around in some IRC channels earlier trying to develop some thoughts on how NFS is better than CIFS. I set up a FreeNAS file server, and that's where all of my data now resides on a pair of raided drives. That way my main desktop, which is kind of a power hog gaming rig, can be powered off since I pretty much live on my laptop now. Anyway, I began to tinker with CIFS and NFS. Since some family members in the household use Windows, I definitely need CIFS. But I wanted to bounce back to NFS too and check it out.

While I do think it's nice I don't have to worry about authentication to the NAS box when using NFS, it's still a little scary. Being that it's more of a trust method instead of actual authentication, truthfully all a user needs to get into your data is the path to your NFS share and a matching UID. I mean, am I wrong by saying this? Sure, it may seem like NFS is convenient, but this angle of it is a little scary. I just don't feel like that screams "secure."

On the flip side, you have CIFS, which uses a user authentication level. So I hit my little shortcut to my NAS and it asks me who I am. I log in and bam, I have connection. I can browse other folders on the share, etc. This is convenient because I do have a "public" share on here with a generic user. That way if friends come over and want to transfer something to me, I have them drop it in the public share and I later transfer it accordingly. Since there is a user level authentication, this to me seems a little more secure.

Speed wise I was a little concerned, as some users have said NFS is faster than CIFS. Well, they might be right. But I did a few bench tests here on my laptop, using the same exact share except one with CIFS one with NFS. I stayed in the exact same location and transferred the same 300mb file in each instance.

NFS - 1.7mb/s
CIFS - 1.5/mb/s

Not exactly enough to warrant a huge argument over, so I leave that argument along the road to be forgot about since it doesn't really have any bearing on this situation. I like things about both NFS and CIFS. I just want to know why is it "not optimal" to use a full blown CIFS setup even if you're using 100% Linux systems.

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Ubuntu Security :: Benefits Of Login At Boot Up After BIOS?

Oct 16, 2010

I just have a simple BIOS password when I boot into my machine. Should I also have the standard login password as well? In other words, what benefit does the login at the boot up, (after BIOS) really give and would you recommend a good or better security process?

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Fedora :: Benefits / Reasons To Upgrade To F15

Jun 8, 2011

What are the benefits to upgrading to F15 from F14 if any? Has there been some huge step forward in performance, security or some other reason that makes it worth while to upgrade? I know many people make the move simply because they wish to have the latest and greatest, but is there any reason specifically to upgrade to the latest and greatest?

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Networking :: Security And Privacy Benefits To P2P?

Oct 22, 2010

Has anyone worked in building p2p apps and protocols? I'm talking an actual p2p network of physical devices that is strictly p2p, no servers for most things. Are there security and privacy benefits to p2p? How are addresses handled, like say you want to send a message to a specific friend but you don't have the relatively static IP system in the Internet. How are those things handled?

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Red Hat / Fedora :: Benefits Of Using RHEL 5.5 Instead Of F8 On Server?

Jun 14, 2010

I have to investigate the technical benefits of using RHEL 5.5 instead of Fedora 8 on our servers. So any specific reasons with proper justification?

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Red Hat :: Kerberos Versus LDAP SSL - Benefits?

Apr 21, 2011

I am confused with the concept of Kerberos and LDAP SSL. I am in the midst of integrating my Unix box with the Active Directory hence the use of PAM_LDAP method. I understand that since it's non-secure transmission hence We use Kerberos to authenticate. If we already used kerberos to authenticate i.e. it means that the username/password is not transmitted in clear text. Why we still need LDAP SSL? What is the benefit?

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Fedora :: Benefits Of Smaller Specialized Kernel?

Jul 19, 2011

What are the benefits of a smaller specialized kernel? I know it will have a smaller memory footprint but will it actually affect performance in user-space at all?

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Networking :: Benefits Of Moving To Smart And Managed Switches

Jan 6, 2010

Right now we are running a gigabit network with unmanagead switches. What do i gain performance wise and capability wise with moving to smart and managed and do these benefits make the cost worth it?

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General :: What Would Be Benefits If Mysql User Has Not Login Permission?

Jul 21, 2011

Since I have never had the need to create one, the first time I encounterd it I asked myself: what is it?I was looking for MySql installation guidelines on mysql.com, when, reading them, I found this command:shell> useradd -r -g mysql mysql.Now, I read the man page of useradd looking for explanation about -r option, but I didn't found it useful.It just says that -r options creates a System account, but it doesn't say anything else.So my question is: what is a system account? Few lines under the command it says:"Because the user is required only for ownership purposes, not login purposes, the useradd command uses the -r option to create a user that does not have login permissions to your server host."What would be the benefits if mysql user has not login permission?

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Server :: Benefits To Creating Multiple Partitions For RAID1 Setups?

Dec 21, 2010

I am rebuilding a bunch of servers and want to do it right. They are Dell R200s and R300s with on-board LSI SAS1068E SCSI controllers with 2 SATA drives. The only RAID level supported on these cards is RAID 1. So, to the server, we have 148GB of space to deal with. They currently run 32-bit Ubuntu 8.10; I will be installing x64 Ubuntu 10.04.

I have always seen that it is best practice to partition in such a way that /boot, /var/log, /temp, and /home for example are separated out from /. Usually this is on a RAID5 or higher box. Is there any benefit to doing that sort of thing on a RAID1 box? I realize that this is in some ways a matter of opinion, but I would like the opinion of folks with experience. I'm pretty new to Linux in general.

The main services running on these boxes are Apache2, Tomcat6, MySQL, and Java.

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Ubuntu Installation :: Virtualization - Get Mac Work In Virtualbox?

Sep 2, 2010

i was trying to install mac snow leo in virtualbox but when i searched for wut i need to have i found this link when i entered the code it returned nothing so apparently i dont have it,im asking if theres a way i could get it or just get mac work in virtualbox?

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Ubuntu :: Bare Metal Virtualization For Desktop?

Jul 22, 2011

I would like to try putting some kind of free "bare metal" visualization for desktop useage on my laptop. I've been googling about the possibilities, but still I'm not sure which would actually work in my case. I've seen VMWare ESXi which looks ok, but unfortunatelly it is meant for servers and I can't have ESXI and Sphere client on same laptop. Another candidate I found is KVM, but as much I've seen it requires VTx VTd support from hardware, which my laptop can't provide. The same requirements must be met for Citrix Xen Client, which is meant for desktop virtualizations, but because of lack of VTx and VTd, can't be used in my case. Is there any other possibility? Currently I'm using VirtualBox and VMWare player for virtualization purposes, but I would like to pull out more performance out of it, and a heavy OS on top of another heavy OS just isn't the best way.

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Fedora :: How To Download Kvm Virtualization

Dec 4, 2009

I messed up my kvm virtualization, I think. I want to reload it. I think I'm supposed to type yum install aptName.Is that right?Also, I don't know what to put in for aptName. I can't find the package names on the Fedora site. Where did they hide it? Also, where do I download apts. I searched with Google and find all kinds of sites I don't trust.

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Fedora :: Run 12 In Virtualization Mode On PC?

Mar 16, 2010

I would like to run Fedora 12 in virtualization mode on my PC. Primary OS is Win 7 Pro X64 Can I use the Windows Virtual PC for this or a third party VM software is better. Any recommendations? Which version of Fedora 12 should I use ? Can I use the Live CD version ?

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OpenSUSE :: Xen 4.1 - Hardware Virtualization With 11.4

May 6, 2011

I would like to know or to retrieve a guide with all the steps to follow to do a hardware virtualization in a 1.5 TB-HDD in which i want to have 2 VM with VT-d (Hardware virtualization) one VM with Opensuse 11.4 x64 and the other with Windows 7 x64. The fact is that I want to run both VM's at same time and I need aid and tips with Xen 4.1 because all the Tutorials and guides that I've seen are from non updated versions (3.0, 2.2...). Do I need 3 partitions to virtualize by hardware (one for the host and the other 2 for the VM's)?? Which host OS do you recommend me?

Is it hard to configure Xen and anyway, how to do it? Basically I'm a novice use of linux and my doubts come up refering to Xen configuration, installation and Hardware virtualization selection ( Graphic Card Virtualization above all) because if I have to touch the BIOS settings tell me how, or the application sets it by itself? What I want to virtualize is a 7 Professional 64bits with most of the Disk space (at least 1 TB)for gaming&multimedia, and Opensuse 11.4 64bits. I'll use suse to work & test software.

Motherboard Gigabyte GA-H67A-UD3H
Processor: Intel Socket 1155 - Intel Core I5 2400 3.1Ghz
OpenSuse 11.4 (default DVD kernel version)
RAM memory Kingston ValueRAM 8 GB DDR3 1333 in modules of 2.
Hard drive 3.5 SATA - Samsung HD154UI 1.5TB SATA2 32MB MAESTRO.

I'm not searching for software virtualization/ full virtualization / paravirtualization. I'm searching for vt-x, vt-d & Graphic card optimizing with windows emulated environment. And do you recommend me to use another Xen version or software to achieve this goal?

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General :: Which Virtualization Software Is The Best?

Jun 30, 2011

I am using Ubuntu 11.04, I also like Fedora, Opensuse and Mandriva. How can I run these Linuxes in Ubuntu with Virtualization? Which virtualization software is the best? Can I download it?

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