Server :: Ubuntu Install DVD Contains All Required Software - Physical Setup
May 30, 2011
I have a government website hosted in third party hosting. but now they want to setup their own Ubuntu server. Now my Question is -
1. What hardware do I need? like -
A) SERVER
B) KVM Switch etc etc.. really i don't know how many hardware need to setup a server. Please provide me a list.
2. Does the standard Ubuntu Server installation DVD contains all the required software for Linux web hosting ?
The hardware part is very important. What's more hardware need to set up a server.
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May 12, 2010
I have a unique setup on my hands..-local (LAN) dev system built on a via epia m6000 (uses the older via eden-samuel cpu). Latest kernels will not boot due to cpu issue.I'm running CentOS v3.9 for kernel compatibility and have managed to get my basic LAMP setup accomplished via yum but I'd like to run the curnet versions of everything while keeping the older kernel if possible.I'm considering setting up my yum repos to include v4 or v5 and use the yum --exclude kernel option.
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Nov 2, 2010
I am trying to set up a SSH key between servers so no password is required when I have to "scp" files between the two. This is what I have tried so far but still requires a password:
Code:
ssh-keygen -t rsa
scp /home/<user>/.ssh/id_rsa <server2.com>:/home/<user>/.ssh/athorized_keys
When I scp after this I wasn't expecting to need a password but it is still prompting. Now I have used this same method before and it has worked great. The only difference this time is server2 is not in the same cage.
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Aug 20, 2010
I am in the process of creating a kickstart configuration file for some RedHat 5.5 and Centos 5.5 servers (Production and test respectively).I have googled about a bit but I cannot find a good list of the bare minimum packages required for a command-line system.If anyone knows how I can trim this list down anymore it would be much appreciated. The aim of this kickstart.cfg is to get the system booted to a bare minimum required to install Chef (Server management software). Chef will then setup Apache, Ruby on rails environment etc.
All this server will need to do is, from a static IP, Host a Ruby on rails app, send emails, send data to a server on the web, accept ssh and occasionally and connect to a SMB/CIFS share This list was taken from the anaconda-ks.cfg file after a RedHat install of what I thought was a pretty minimal system onto a VM but I noticed that cups, the avahi daemonsand gam_server are installed and running which I do not believe are needed for a pure web server.I know that these types of questions are hard to answer without a complete knowledge of the operating environment and what "minimum" is in this case ("@core only? but I wanted yum damnit!")
@admin-tools
@base
@core
[code]....
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Jun 17, 2011
I am trying to use the sakis3G, i choose the option connect 3G, it asks me about username required by APN?? I have no usernames, and I don't know what APN is? I prefer using the sakis3G since it looks simpler than using USB_ModeSwitch which I didn't manage to understand it from the sites you posted.
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Jun 12, 2010
Im trying to find out What all network hardware is required for a successfull Iscsi setup. Example Do you need two network cards that support it. Or do you just need one network Iscsi adapter for the storage box, and the other machine just have a normal NIC. What type of Switch would be needed as well for decent transfer rates.
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May 5, 2011
Right now i have a HP DL 180 Server with 130 Gb Hard Disk & 8 Gb ram after Raiding0+1. i want to configure Domain Controller Server for my office for 200 to 300 Users. what should the partition size must be mentioned in my 130 Gb Hard Disk, is that going to be Sufficient for ME ?
i am bit confused about /Usr /Var /Boot partitions, as i need to manage perfectly in 130 GB
if i go with 4 Gb swap and remaining for " / " is that will be fine ? should i need to specify partition sizes separately for / tmp /var / usr ..
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Jul 16, 2010
I am working on a NFS server embedded on a PowerPC plateform (4650EX, 512Ram, 1 GB Ethernet) but i can't mount my exports folders from my client. Here are messages :
[Code]...
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Feb 11, 2011
This may seem like a silly question but I have many servers and sometimes we forget when we login if it physical or virtual running on a VMware system. This makes a diffrence when I try to get a console access etc. So I wanted to know before if its physical or VM.yes I know i can change motd once i get the info or make a list etc. There are many ways not OS related for me to find this info out. But I was wondering if there was a Linux command that I could use when I ssh to a system to check if its physical or logical?I have inventory information etc and vm vsphere to check but that can be time consuming if I just want to check something quick.
uname -a or something like that that would tell me would be cool. I am thinking there is no command as Linux really does not care if its running Vm or physical.
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Jun 3, 2010
I'd like to access a samba/SSH server which itself is connected to a VPN Server, therefore acting as a VPN Client. As soon as the VPN Connection is established, samba and ssh connections to this VPN Client get a timeout. But not all of them.
To get a better understanding I made an overview. The first one is a general network overview, without any VPN Connection, the second one with the VPN Connection established.
Network Overview without VPN
I can access the server in several ways:
*From the router via ssh (router runs ipcop with busybox)
*From the laptop via ssh (putty via Windows 7)
*From the laptop via samba
*From the internet via ssh (port forwarding to the ssh server)
Everything is working as it should.
Now the server that runs ssh and samba service connects to a VPN Server on the Internet, this is also working fine. Now it gets weird. The only samba/SSH connection that is still working is ssh directly from the router to the server. Everything else gets a timeout:
*From the laptop via ssh (putty via Windows 7)
*From the laptop via samba
*From the internet via ssh (port forwarding to the ssh server)
Network Overview with VPN active
Why is that? It seems from the little understanding I have of vpn and networking, that incoming packages (like samba request from the laptop) don't get send directly back over eth0 but over the vpn connection. This seems somewhat logic, BUT ssh from the router is still working. Why from the router and not from the laptop? I really can't get my head around it.
Configuration Overview
tldr; One Client acts as VPN Client and samba/SSH Server. As soon as the VPN Connection is established samba/SSH stop working, but only partially.
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Mar 9, 2011
I am trying to figure out the "actual" disk size used by my system. When I run the "df -h" command,I am not taking here into consideration the shared memory of 2Gb as it is a sort of virtual shared memory and is not allocated physically. Is that correct ?
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Aug 30, 2010
I got the VMrss used by a process as about 2GB, but the physical memory of my computer is only 1G.
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Mar 27, 2010
I'm running Karmic Server with GRUB2 on a Dell XPS 420. Everything was running fine until I changed 2 BIOS settings in an attempt to make my Virtual Box guests run faster. I turned on SpeedStep and Virtualization, rebooted, and I was slapped in the face with a grub error 15. I can't, in my wildest dreams, imagine how these two settings could cause a problem for GRUB, but they have. To make matters worse, I've set my server up to use Luks encrypted LVMs on soft-RAID. From what I can gather, it seems my only hope is to reinstall GRUB. So, I've tried to follow the Live CD instructions outlined in the following article (adding the necessary steps to mount my RAID volumes and LVMs). [URL]
If I try mounting the root lvm as 'dev/vg-root' on /mnt and the boot partition as 'dev/md0' on /mnt/boot, when I try to run the command $sudo grub-install --root-directory=/mnt/ /dev/md0, I get an errors: grub-setup: warn: Attempting to install GRUB to a partition instead of the MBR. This is a BAD idea. grub-setup: error: Embedding is not possible, but this is required when the root device is on a RAID array or LVM volume.
Somewhere in my troubleshooting, I also tried mounting the root lvm as 'dev/mapper/vg-root'. This results in the grub-install error: $sudo grub-install --root-directory=/mnt/ /dev/md0 Invalid device 'dev/md0'
Obviously, neither case fixes the problem. I've been searching and troubleshooting for several hours this evening, and I must have my system operational by Monday morning. That means if I don't have a solution by pretty early tomorrow morning...I'm screwed. A full rebuild will by my only option.
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Jun 20, 2010
Why linux uses swap space, even if there are free physical memory available.
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Jan 2, 2011
Before running SOSreport, the free physical memory is 5389Mb out of 8Gb.
After running SOSreport, the free physical memory is 3229Mb.
Why is this so? how we can free up the physical memory.
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Jul 5, 2011
I have a 7.9 TB logical volume I've created from 8 1 TB RAID 0 devices. The volume is formatted with XFS so I can resize when ready. However, I think I want to do something that is not possible. I have 2.5 TB free on my logical volume. I'd like to shrink the volume down to be 6 TB by getting rid of 2 of the 1 TB devices in the physical volume. However pvmove seems to require free extents in order to work. Do I need to add 6 TB of storage, pvmove everything onto it, and then decommission the original 8 1 TB physical devices from the volume?
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Oct 19, 2009
Is there some way that I can use apache/iptables to serve both of my servers through the same basic domain? I'm not talking about VirtualHosts either, I don't believe ( despite the fact that's all I can find anything to read about on Google when searching for this ).
Anyway, the problem is that I have a TorrentFlux php torrent-client that I run so I can add stuff to the download when I'm not around. I don't want to put this on my regular webpage server because there's just not enough diskspace in that machine. On the other hand, I don't want to replace that server all-together because the other machine is my desktop and would not make a reliable host.
So my idea was that there could be some way to have the apache2 server on my dedicated server redirect a subdirectory in its webroot to the webroot of my desktop's TorrentFlux server, but over standard HTTP ports so that it is more like the server is serving up the content of my desktop server through its HTTP service, instead of simply redirecting.
The reason I want to do this is because so far I have to use the TorrentFlux server on a nonstandard port so my dedicated server can still host its own things on port 80, but I've been running into several situations where the browsers I want to use do not support the nonstandard port such as with some instances of IE or the browser on my BlackBerry.
Anyway, I'm not looking for a step by step or anything ( though it couldn't hurt ) but I just need some ideas on what I could search for to get some better ideas. There's probably some term for what I want to do I'm not even aware of that would help me greatly.
Runnining Ubuntu 7.04 and apache 2.2.4 along with shorewall 4.0 as my routing/firewall software.
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Jul 2, 2010
I've opensuse 11.2 installed and running. I have separate mount points for /, home, srv. I have two physical HDs of total 160gb in my system. Now my / partition is nearly full 91-93%. I'm thinking of adding another HD. I cannot figure out how to transfer data after installing the new drive. I plan to move /srv and /home from the main physical disk to the new disk and then add the space freed from under /srv and /home to the / partition. I understand the procedure how to add the drive, how to partition it and so on. I need some help in understanding how to shift the data from one physical drive to the other without losing any simlinks and data of course. I have a virtual host web server running on my machine, so you can understand how difficult it would be if I'd need to do all the linking manually again or worst case if I'd lose any data.
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Apr 22, 2011
When do you know when to re-boot your server? I have Centos 5.6 As my remote web server running Direct Admin. I have also Centos 5.6 as a local back up server. With a KDE user interface so i can learn the graphical and command line. How ever when i query Yum for updates locally, i can see a nice extra icon next to the updates in KDE saying will require a reboot. But on my remote web server, how would i know if a Reboot would be required?
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Feb 7, 2011
I have a dummy server set up in which I am trying to install webmin (which I have done several times in the past and remb it being straightforward and pretty simple!) however when trying to install I keep getting errors.
I install all the perl packages as required :-
sudo apt-get install perl libnet-ssleay-perl openssl libauthen-pam-perl libpam-runtime libio-pty-perl libmd5-perl
After downloading webmin I try and install it:-
sudo dpkg -i webmin_ 1.530 _all.deb
This is where I encounter errors regarding apt-show-versions saying that it is not installed.I try and install it but an error appears stating that apt-show-versions is not installed. So I try and install apt-show-versions and that fails as it states that there is libapt package missing too. When I try to force install both - unable to fetch some archives but maybe run apt-get update or fix missing....It just seems like I am going around in circles (as I have run apt-get update and have run the commands as root...)
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Jan 19, 2010
We are trying to set up a NIS server on a CentOS system. We need to have a NIS server which can provide NIS authentication to a couple of clients. We are practically new to all this stuff.
Just googled to find some ideas about installing ypserv and ypbind and portmapper. We did all that and also started them successfully. But now the clients are not able to join to the NIS domain . The error log states "YP_DOMAIN NOT BOUND".
I guess we have not entered the /etc/yp.conf, /etc/hosts files properly. Please let us know the detailed steps to setup a NIS server .
Also, please let us know what entries should go into the different /etc/<file_names>? What is meant by HOSTNAME in the /etc/hosts file?
Is there any other files which need to be changed? Are we missing any steps?
Also to add-on, while executing the ypinit command we faced the following error:
At this point, we have to construct a list of the hosts which will run NIS servers. localhost.localdomain is in the list of NIS server hosts. Please cont inue to add the names for the other hosts, one per line. When you are done with the list, type a <control D>. next host to add: localhost.localdomain next host to add:
The current list of NIS servers looks like this:
Is this correct? [y/n: y] y
Error running Makefile.
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Jul 30, 2010
I need to deploy Windows Server 2008 R2 onto a server that is currently running Linux. Effectively, I want to restore a Windows disk image onto the Linux system hard disk.I don't have physical access to the machine, so I need to find a way to do everything remotely, using SSH (no KVM). And the Linux machine only has one hard disk - the one containing the OS. However, I might be able to create a partition in free space at the end of the hard disk to store the image (I might need some help with the Linux commands). Or perhaps the image file can be pulled via FTP.
I tried Acronis but was disappointed to find that it doesn't seem to allow me to overwrite the system partition (unlike the Windows version of Acronis, which is capable of doing this with a restart).
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Jun 9, 2011
We want to set up a Linux server (hosting Git or later SVN repositories) which should have all stored data strongly encrypted, so that if one steals the server the data cannot be read. For example, our notebooks have all important data stored on a "true-crypted" partition.
We plan to access it with SSH private keys and only after successful login should the data be readable. The server would be located in our office, shut down at night and not be connected to the Internet directly, but only accessible in our intranet.
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Apr 2, 2011
I have to run multiple instances of apache on the same physical machine, as we have different OAM policies for different domains.is in the httpd.conf file can I have ServerName same in two instances of apache, like
ServerName: prod_machine (actual machine name)
In the vhconf files I do have different servernames for virtual hosts. Apache instances are running on same IP but different ports. I am including various vhost files in the main httpd.conf file. Can I skip servername in the main httpd.conf file and include different servernames in the virutal hosts configs. OS: Solaris10
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Apr 26, 2010
How to create multiple Logical Groups out of a single Physical Volume? Here is the Physical Volume I have created:
Code:
# pvdisplay
--- Physical volume ---
PV Name /dev/sda9
VG Name myVG1
PV Size 54.88 MB / not usable 2.88 MB
Allocatable yes
PE Size (KByte) 4096
Total PE 13
Free PE 11
Allocated PE 2
PV UUID bon4Ao-vmgC-aP1h-EC9X-w3tN-YXNu-0N2dAw
This is how I am creating a Logical Group out of the above Physical Volume:
Code:
# vgcreate myVG1 -s 4m /dev/sda9
Display:
Code:
# vgdisplay
--- Volume group ---
VG Name myVG1
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 5
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 1
Max PV 0
Cur PV 1
Act PV 1
VG Size 52.00 MB
PE Size 4.00 MB
Total PE 13
Alloc PE / Size 2 / 8.00 MB
Free PE / Size 11 / 44.00 MB
VG UUID O6ljYC-bflz-EUTd-nf34-8gYe-Fh39-Bh3cOg
But I am unable to create one more Logical Group out of this Physical Volume. Can we accomplish it? Or do we always extend our current Logical Group to utilize the available space of a Physical Volume?
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Dec 8, 2009
We're load testing some of our larger servers (16GB+ RAM), and when memory starts to run low they are kicking off the oomkiller instead of swapping. I've checked swapon -s (which says we're using 0 bytes out of 16GB of swap), I've checked swappiness (60), I've tried upping the swap to 32GB, all to no avail. If we pull some RAM, and configure the box with 8GB of physical ram and 16 (or more) GB of swap, sure enough it dips into it and is more stable than a 16GB box with 16 or 32GB of swap.
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Jan 2, 2010
I had installed a debian file using#dpkg -i <file>Now package manager gave count error though that debian file got installed.I tried#apt-get install -fIt says want to download 20MB but no internet on my pc so destined to fail.In synaptic package manager I selected broken packages & marked them for removal.I saw file-roller,totem.seahorse,nautilustc. got uninstalled.question ) I just have iso image of my ubuntu 8.04.How can I use it to install all packages that come by default on cd.
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Oct 29, 2010
I have many documents that indicate many different min requirements for drive memory. Will someone give me an idea for the following...Ubuntu 10.10 server running SSH and Samba what would be the memory requirements, recommended as opposed to min, for partitions as follows:
/ -- root
/home -- as a separate partition
/boot -- as a separate partition (do I really need a separate boot)
swap my RAM is 768mg so 1 gig should be good
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Dec 7, 2010
BEGIN PGP SIGNED MESSAGE Hash: SHA1 anyone can tell me how to setup a SVC server and how to create
diferent proyects on it?
VampirD
Microsoft Windows is like air conditioning
Stops working when you open a window.
BEGIN PGP SIGNATURE
Version: GnuPG v2.0.15 (GNU/Linux)
Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org/
[Code]...
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Apr 24, 2011
I want to setup a FAI server for which I was looking for the best method of mirroring the Debian Lenny. I want to setup a local mirror with the best method available for mirroring. If it is ftpsync, please provide me some best ways of doing it. I tried ftpsync mirroring but that was not getting properly working due to insufficient I want this mirror to be accessible in my FAI setup so that I can start the installation on multiple machines and start the updates and package installation to be done from the same local mirror.
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