Ubuntu Servers :: Multi-partition 10.04 Management?
Aug 12, 2010
I have 2 partitions, 1 for OS and 1 for data. The OS 1 is going to be imaged with every Ubuntu OS update so that this image can be taken from the testing server to the live server. However, the data must stay on the live server, so the imaging it will not erase the data. Therefore, I divided the live server into 2 partitions: OS and data.
I want to be able to save all of my customizations and data on the live server to the data partition. This includes (but is definitely not limited to) MySQL databases, Apache configurations, my /var/www/ folder, etc. How would I go about doing this? As in how do I set MySQL/Apache/etc. to save their configuration files on the data partition? Or is there a totally better way to achieve what I want?
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Jan 3, 2010
i would like to know if there is anything like this out there or in development and if not i think there should be. i feel that one of the areas that ubuntu still lacks majorly is when it comes to handling multi display.most people these days are using notebooks and are moving around a lot, and if your like me working as a software dev you need to be able to work from home running a different external display next to your internal, then when you get to work you need to maybe run two external displays or maybe a totally different display next to your internal, sometimes you'll need to connect to a projector in a meeting and do a demo.
At the moment, there is no easy way to do this unless you have a half an hour everytime to configure your displays manually,which goes without saying that its not quite what anybody is looking for.i'm looking for something that works similar to OSX's display manager.where you plug in a screen and poof, its there. and then mayb you can configure what your system should do when that specific monitor is plugged in and it will remember that configuration. so for instance you have a internal 15" with a res of 1440x960 then you want to plug in your 1080p 24", so boom it picks it up but its not configured yet.so it jus mirrors by default, then you decide ok, when this screen is pluggd in, i want it to extend my desktop onto it, and make it the primary monitor. ok cool so its set,so now when you plug it out, your system detects that your display setup has changed, then does a recheck of your active displays, and sets up the appropriate configuration, in this case only the internal is available so it will just go back to the internal, setting it back as the primary and moving all the windows that was on the external back to the internal.i think this would be a invaluable feature for a mobile professional.
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Dec 29, 2010
I-ve just bought a new hard disk and i wonder what is the best way to do a multi-partition
So my set of drives is:
120Gb - sata
1Tb - sata2
I was thinking to do like this:
1st partition - Slackware Main OS
2nd partition - Arch Linux
3rd partition - /home
4rd partition - swap
5th partition - wind0ws Gaming only
the 120Gb hard drive i intend to do a /home2 for movies, etc. Is that order above the best or i could make swap as 2nd partition
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Apr 6, 2010
I have a 500G disk and want to setup it as a test machine with many partitions.
The first partition is for Windows XP. It works. I use USB disk to boot Ubuntu, so I can use Ubuntu's command dd to backup my XP partition.
Than I set more than 10 partitions. Then Ubuntu booted from USB does not always work. It always boots, but when I open a terminal, I get funny characters.. It seems the problem is something to do with number or size of partitions.
Is there a limit for number of partitions or size of partitions?
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Jul 9, 2011
I have Ubuntu dual booted with Windows 7 on an Acer Aspire 5736z laptop. When I start Windows, Acer eRecovery Management appears and gives me two options (summarized below):
1. Complete restore to system defaults.
and
2. Restore the operating system to factory defaults and store my personal files to a backup directory.
Will either of these options fix Windows without killing Ubuntu? If not ... any suggestions on how to recover files from my windows partition?
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Jun 11, 2011
I have 4 OSes installed:
Windows XP on sda1
Backtrack on sda5-6
Ubuntu 11.04 on sda7-8
Ubuntu 10.10 on sda9-10
I want to remove Ubuntu 11.04 (partitions sda7-8). I tried using GParted from Ubuntu 10.10, but it says that I have to unmount logical partitions with a number higher than the one being removed.
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Mar 30, 2010
OS: LINUX RHEL5
I want to resize the partition
for example..
my
/u01 is 50 gb.
/u02 is 30 gb.
i need to risize /u02 to 100gb( i have space left of around 60 gb and I need to take 10gb from /u01)
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Nov 16, 2010
I downloaded an raw SD card image that has two partitions. It caused some file system errors when I tried to dd it directly into an SD card. I am not sure if the card is defective or the image. Is there a way to examine this image without writing it to a physical card? Like trying to mount the partitions separately or checking the tables?
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Jan 16, 2011
I rent a server with 7 ip given. And i also want to host 7 website with 7 domain name in itI wish to assign each website with an ip address. is it possible to do that ?When I do
<VirtualHost 192.1.1.123:80>
<VirtualHost 192.1.1.124:80>
<VirtualHost 192.1.1.125:80>
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Feb 1, 2011
I am trying to create a multi-partition USB key to use to kick multiple OS's whenever I need (1 NTFS partition for Windows image and data storage, one ext3 for boot, another ext3 for Linux distros iso storage and the last one as a Fedora live usb with permanent storage).
I am using a Kingston Data Traveler G2 16GB usb key and I have absolutely no problem to create the partitions and all looks fine. The problem I encounter is that although I can format the 1st partition on the usd key to any fs I want, I am unable to do the same on the other partitions. I tried fdisk+mkfs.XXX (ext2, ext3, fat, vfat, ntfs) and gparted, and no luck.
mkfs.XXX gives me no errors when I run it but when I try to mount the partition in Fedora 14 the OS is unable detect the fs. Gparted allows me to format the fs, gives no errors, shows a format successful message, but when it re-scans the device the fs appears as unknown.
I know it is possible to do this as I had a DataTraveler 101 16GB and it was working fine until I lost it.
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Sep 17, 2010
Is there any Print Management service for centralized Print Manager and Print Monitor?
My requirement is a Print Management Server which monitor all the printers in my office and keep tracks of all the the printing operations (IP of the user, Digital copy of the printed documents, date, time...)
I installed CUPS but it's not the solution which I'm looking for.
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Aug 8, 2011
I have two computers (one tower, one laptop). On both the computers, I have apache & PHP & mysql running, so i can program/script anywhere I like. With a simple sync'ing program, the PHP scripts are synced between the PC's, thought the databases arent. Therefor I'm looking for a method to sync (replicate) the databases between the PC's. thought after setting up some configuration, i'm stuck... now with how to, but what to
Option 1) Multi-master replication between the PC and the laptop. With this setup, the database can ONLY sync once both the devices are turned on. Also it can only sync if they are turned on on my LAN, since they do not have an external static IP address. if I turn on both PC's on my LAN, with static IP's (from the DHCP server), this option will work. Thought, I basically never have both pc's turned on in my own home... cuz i can use only one at the time anyway.So I was thinking of another setup
Option 2) Multi-master replication with: online Server, PC and Laptop. The server basically contains the most up to date database. for example, the laptop updates the server and the server can update the PC later, once the PC is turned on. Also the other way around, the PC can update the server which can than update the Laptop.
There is, if i'm correct, only one problem: the only multi master replications setups I found, use a circulair setup... (1 updates 2, 2 updates 3, 3 updates 1) What I need is to have the PC update the server, but ALSO have the server update the PC (same for the laptop)
than there is another (little) problem: the PC and laptop cannot be reached from behind the modem, nor do they have a static IP. My question: Is it possible to sync the server with the laptop (that has no static IP), the laptop with the server (that has a static IP), and the same for the PC
PC <====> Server <====> Laptop
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May 5, 2009
Having already borked my system once while deciding to nstall Fedora 10 under the influence of a false sense of bravado, alcohol induced, I thought I should ask for a little insight before trying things again. Once I get my system fixed and before consuming alcohol that is.Short version:I thought Id be smart and mount the /home partition I use for openSUSE as /home for Fedora, I mean that why I made /home it own partition right? Well, thatwhen the alcohol took over and I thought I be rilliant(not so much) and just use my SUSE username for Fedora too, since, you know,e already got all my files and settings stored there.
Thus my request for the answer on how to correctly use the same /home partition across multiple OS installations; with the preferred goal of retaining access to email folders, various files, games (WINE) and such no matter what distro I�m using. Would it really be as simple as just not using the same user name for more than one distro? What addtional issues does that solve/create
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Mar 17, 2011
That is my disk
Code:
fdisk -l
Device Boot Start End Blocks Id System
/dev/sda1 1 3724 29912998+ 83 Linux
/dev/sda2 29256 30401 9205245 7 HPFS/NTFS
/dev/sda3 3725 4271 4393777+ 5 Extended
/dev/sda4 * 4272 12104 62918572+ 83 Linux
/dev/sda5 3725 4271 4393746 82 Linux swap / Solaris
I want ot install a new opensuse 11.4 as yest another OS. Due to the fact that I already have 4 sda partitions, I have to make some changes. What I am thinking about is to copy the sda2 (windows recovery) data to some folder etc (nevermind), then delete the sda2. Then I want to create a new primary partition for the new suse 11.4 and install it. What is worying me is the grub boot menu. I was planning to edit the new one (the opensuse 11.4), with old data.
Code:
###Don't change this comment - YaST2 identifier: Original name: linux###
title Desktop -- openSUSE 11.2 - 2.6.31.5-0.1
root (hd0,3)
kernel /boot/vmlinuz-2.6.31.5-0.1-desktop root=/dev/disk/by-id/ata-Hitachi_HTS542525K9SA00_080105BB0F00WDHE41DC-part4 resume=/dev/disk/by-id/ata-Hitachi_HTS542525K9SA00_080105$
initrd /boot/initrd-2.6.31.5-0.1-desktop .....
Now my question is will the settings of (hda0,n), change due to the fact that I have deleted the sda2? I have a lot of unused space at the end of my disk and want to create a new "sda2" there.
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May 25, 2011
I am looking to create a multi-user LAMP server. For example the domain name behind my curent server is [URL] I would like user1 to have [URL] and user2 [URL]
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Jun 6, 2010
Is there any computer management software like Cafe123 for Windows? Some friends of mine tried to reduce the cost for setting up computers by making one of the counter/server using Linux, instead of using Windows. And another reason that he want to avoid the counter server from being infected by malware such as those malware spread using usb drive. EDIT: Oh, I forgot to mention that, the server intended to use will be powered with Ubuntu, and the client computers will using Windows XP instead.
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Apr 7, 2011
Using Ubuntu server 10.04.2 64-bit all up to date.
I am running multi-threaded processes. These use OpenMP in my own code and the multi-threaded ACML maths library. When run in the foreground, everything is fine i.e. if I have set
export OMP_NUM_THREADS=8
then when I start all 8 cores are in use and things whizz along. However, when running overnight and logged out using e.g. 'at now + 1 minute' then the command, I am only getting about 130% CPU and it slows down accordingly. I have tried renice'ing and calling from within a bash script in case sh is doing something odd but nothing seems to solve it. I am sure that in the recent past this wasn't the case.
The libraries being used are shared versions in case that might have any bearing.
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May 17, 2009
I'm looking for something to manage multiple machines.
Within a few weeks we're getting about 32 machines to manage.
We need to manage via SSH, SFTP and mySQL.
Is there something available which gives an overview of the machines and opens a terminal or sftp session with the selected machine, with a shortcut or something like that?
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Feb 10, 2010
I maintain a samba PDC for a small business, our current setup does not work very well; on a hardware upgrade I directled imported the old ldap database and attempting to add machines to the domain causes all sorts of trouble.
I'm 95% sure the original database (which predates my employment) was created using the idealx smb-ldap tools, unfortunately on our current platform (debian lenny) these tools seem to be broken; the only things hey seem to do reliably are set passwords and add posix users, asking them to do anything involving samba/windows causes errors. The idealx tools seem to be abandoned, and I don't know enough perl to try and fix them.
Since the idealx scripts seem to be abandoned, and most of the good samba+ldap how-tos references the idealx tools, I was wondering what people use nowadays to manage there ldap directories; surely they aren't importing .ldif files to add new users/machines like I've been doing. Are people just writing thier own management scripts/web-apps? Or are the smb=ldap tools just broke on debian?how to generate the NT/LM password hashes and proper SIDs, does anybody have anything they could point me to about this?
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Mar 21, 2009
I am in a class called Linux System Administration and we are setting up Fedora 8 as a server. Per the class instructions, I have changed the default runlevel to 3 so the system always boots to a command line. The instructions say log in with your regular user account [I KNOW HOW TO DO THIS] and use the startx command to load GNOME. [I HAVE NO IDEA HOW TO DO THIS]
I searched the Internet and the text book, but found nothing I could understand.
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Jul 22, 2010
I am replacing a home network - Windows Server 2003 and 5 PCs (XP Pro) with UBUNTU 10.4 LTS Server and client versions. I am keeping a couple of the PCs with dual boot until I can migrate everything over (Having some issues with iTunes, Family Tree Maker, Media serving, DVD decrypt and a couple of others, but that is for another post). It was great fun getting the server up and running using only shell commands. Took me ages just to get a folder shared! Migrating the data over from NTFS to ext3 was also fun given the limited space on the partitions.
I really only want to use the server for communal network type things ... central user account maintenance, shared folders for music, video etc and data backup. I don't need it to be performing server functions on the Internet e.g. web server etc although that may come later. How I set up central user management? All the PCs are currently setup with local user ids, and it is a bit of a pain to go round each PC every time I change something.
The server is not always up, so I need to be able to log into the local PC without it being active. I was using Active Directory on Server 2003, but I don't need anything that complex really ... just 3 or 4 users to manage. I have been looking at the setup tutorial at [URL] but am not sure how relevant a lot of it is. I have SSH setup so I can login remotely, NFS is working to share the folders, but that is about all I have done so far.
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Jun 24, 2011
I have an ATI Radeon HD 3300 on-board video chipset, and an ATI Radeon HD 4350 PCI card. What I want is to have both displays available from one mouse/keyboard. I want to play media on one and have the other as my main desktop.The problem is that with Xinerama enabled, KDE desktop effects do not work (KDE says XComposite and XDamage are not available, even though I explicitly enabled them as extensions in the xorg.conf file), and performance is quite bad. Without Xinerama enabled, performance is great, desktop effects work great, but there's a lot of trouble with full-screen video, and the KWin window manager does not apply in the second display (although I can run a second instance of KWin on :0.1).
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Jun 20, 2010
i started to look into upgrading my LTS ubuntu server instances to Lucid. one the notable things that i have discovered is the lack of support for Webmin; it seems that Debian is no longer supporting packages required by Webmin. But it also appears that ubuntu team believes that Webmin may actually cause problems as it works in a different way than that presumed by Ubuntu. so i am now left with no way to manage my 10+ instances of ubuntu server that i used for studying and research. it seems that i am left with cluster-ssh as an alternative. but are there other alternatives, ideally similar to webmin?
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Sep 17, 2010
Now that Ubuntu 10.04 has multi-touch capabilities built-in, if I do not have a multi-touch screen or surface device, can I get 2 USB mice and get 2 pointers on the screen? One for the right hand and one for the left hand as I am ambidextrous, and would find it very convenient to have 2 mice.
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Mar 21, 2011
Anyone successfully using VNC client on a Mac to control a Debian server?I have the vncserver setup on the Debian machine properly. But I'm having problems connecting to it from both a PowerMac running Tiger and a MacBookPro running leopard.I can connect no problem from a machine running Slack12.2, have not setup port forwarding on my router to connect remotely yet.My Debian machine is running the latest stable release of squeeze with KDE4.I originally tried this with RealVNC Enterprise for OSX but I'm not gonna buy it so I need another alternative after the 30 day trial ends as they have no free version for OSX.
The situation is that I do freelance graphic design on the PowerMac with Cinema4D and Photoshop so I spend most of my time on that machine which is located in my home studio in my attic. Aside from the MacBook and a Dell desktop(family machine)all my other machines and network hardware are in the basement. So to go from the attic to the basement everytime I need to do something on another machine is not practical, and the only other machine I need to access on a regular basis is the Debian box in the basement, this makes the most sense.
I also have a 14 year old living in the house and he's fascinated by all this and will meddle in anything he gets the chance to so all the Linux machines and network hardware need to be behind lock and key.
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Mar 14, 2010
I've setup Kerberos and OpenLDAP servers (9.10) similar to the official documentation (and other sites that fill in the "gaps"). However, when you start to get in to some of the details, there seem to be many options - and I guess I'm looking for what could be the defacto standard. I'd like to allow Ubuntu clients to have a sso capability, with the ability for local caching of passwords if not connected to the network (such as a laptop user away from the office, prior to a VPN). I'd like to automount a secure NFS share somewhere in the /home directory. If the user logs in to a computer they've not logged in to before (if they're authorized), it would be nice if a skeleton /home directory could be setup there automatically I'm guessing that it is not desirable to use a shared /home NFS - as if you're off the network this would be problematic - as well as multiple computers sharing the same /home. There are some benefits to a shared /home (SSH certs, etc.), so maybe there is a hybrid approach out there.
I've read that it's not necessarily good practice to have OpenLDAP to do the authentication (leave this to Kerberos), but it's fine for authorization (such as ACLs for logins to certain computers). It's also good practice to use TLS with OpenLDAP (which requires public certs on all the clients) and to not allow anonymous read to the directory. I would guess that a computer host keytab could be refreshed to bind to the OpenLDAP server via GSSAPI / SASL to allow a non-anonymous read, and then determine if, say, the user was a member of a group allowed to log in. Kerberos would then pick up and authenticate the user and then proceed to the login. Off the network here, I'm not sure. I found this document, but it's self declared missing items: [URL]
I'll stop the rambling, but I cannot be the only one who would like to setup a relatively standard and secure server based network authentication and authorization back-end. Is there any _complete_ documentation on the best practices and how to implement?
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Sep 12, 2011
Im running 64bit centos 5.6 and using virt-manager.On one of my guest OS's, Windows 7, The max Physical CPUs is 2, you can have unlimited CPU Cores however. (like my machine i use for work has 1, 4 core processor).The issue im having is xen only allows you to set the vcpu arguemnet in your xen config file. How can i set it so that 1 CPU has several Cores just as windows would recognize this machine if i were installing directly to the hardware vs via a VM.Ive searched for 2 days staright trying to address this issue, very little progress, Does anyone know where a XEN support forum is? all i get is the citrix xen support forums.
here is the best info i have found on this, but i dont know how to change this for my CPU to work, when i enter this in my xen config it essentially ignores it and just takes the value of vcpu= so windows shows 2 CPUs each with ONLY one core. Id like 1 or 2 CPUS showing Several cores.The physical Hardware is 2x Xeon 5300 Quad Core CPUs.
> # Expose to the guest multi-core cpu instead of multiple processors
> # Example for intel, expose a 8-core processor :
> #cpuid=['1:edx=xxx1xxxxxxxxxxxxxxxxxxxxxxxxxxxx,[code]........
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Mar 23, 2010
I have Ubuntu server 8.04. I have 4 hard drives of 149Go each. Size of a mounted partition is smaller thant the partition itself :
- first drive is the system
- I mounted the 2nd drive (ext3) on a folder, but the Size is 941.89 MB instead of 149Go
- same for drive 3 monted on another folder, but the Size is 941.89 MB instead of 149Go
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Oct 10, 2010
I have a 2 TB disk in an external SATA dock, formatted with a single ext3 (Linux) partition, which doesn't show up in the Windows 7 Computer Management->Disk Management utility, even as a raw/blank disk. I've verified that there's nothing wrong with the disk by connecting it to my Linux machine and mounting it, and I've verified that the dock is functioning properly by connecting a different FAT32-formatted disk, which mounts flawlessly as expected.I realize that I can't actually read the ext3 partition without additional software (e.g., Ext3IFS), but why doesn't the disk show up at all? Is there some sort of stupid anti-Linux filter built in? Is there any way to force Windows to recognize the disk, so that I can at the very least use direct block access with it?
Background: I want to clone an identical 2 TB disk onto this one. Due to my hardware layout, it's much easier to have the source disk attached to one machine and the destination disk connected to another, and do the clone over the network (the network is not a bottleneck with switched gigabit ethernet), than it is to hook them both up to one machine.(1) I did this once before when both machines were running Linux, but I've since upgraded the destination machine and decided to switch back to Windows for regular desktop use. I've got Cygwin installed, and have verified that the same basic method (dd + nc) will work, but I can't do anything if Windows doesn't even consider the destination disk to exist.I only have one eSATA port on each machine. Opening them up just to do this clone is a rather large annoyance. Also, since this is my backup disk, I'd like to eventually automate the cloning from the active disk to another one that I regularly swap with a third disk that I store off-site.
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Jul 2, 2011
i had installed fedora 14 into my new hardisk(1500gb) as new server the problem is how can i use the fdisk to partition the hardisk into two partition.
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