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  • HDD bad sectors with OS

    - by Michael Z
    I wonder is that possible for OS to make bad sectors on Hard Drive? Preface: I have bought new HDD on 1Tb WB Caviar Black. I have installed new OS on ext4 partition Ubuntu 12.04.1 LTS. After few days S.M.A.R.T. of the Ubuntu's Disk Utility show that my hard has bad sectors! I have checked on S.M.A.R.T. immediately after installing OS - all was OK. During new OS working I have noticed some strange with HDD - all OS was freezed from 20 sec to 1 min and I have heard like HDD's engine restarting. At the dmes I have found something like this: [40085.407947] ata1.00: device reported invalid CHS sector 0

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  • Adding user to chroot environment

    - by Neo
    I've created a chroot system in my Ubuntu using schroot and debrootstrap, based on minimal ubuntu. However whenever I can't seem to add a new user into this chroot environment. Here is what happens. I enter schroot as root and add a new user.(Tried both adduser and useradd commands) The username lists up in /etc/passwd file and I can 'su' into the new user. So far so good. When I log out of schroot, and re-enter schroot, the user I created has vanished!! There is no mention of that user in /etc/passwd either. How do I make the new user permanent?

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  • Sendmail Alias for Nonlocal Email Account

    - by Mark Roddy
    I admin a server which is running a number of web applications for a software dev team (source control, bug tracking, etc). The server has sendmail running solely as a transport to the departmental email server over which I have no control. We have someone who is still in the department but no longer on the dev team so I need to configure the transport agent to redirect all outgoing email (which would be coming from these applications) to the person that has taken their place. I added an entry in /etc/aliases like such: [email protected]: [email protected] But when I run /etc/init.d/sendmail newaliases I get the following error: /etc/mail/aliases: line 32: [email protected]... cannot alias non-local names So clearly I'm doing something I shouldn't. Is there a way to get aliases to work with non-local names or alternatively is their a way to accomplish my goal of redirecting outgoing mail for this user to another one? Technical Specs if the matter: Ubuntu 6.06 sendmail 8.13 (ubuntu provided package)

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  • NAT rules betweek 2 network interfaces (with iptables)

    - by Simone Falcini
    this is the current network that I have: UBUNTU: eth0: ip: 212.83.10.10 bcast: 212.83.10.10 netmask 255.255.255.255 gateway 62.x.x.x eth1: ip: 192.168.1.1 bcast: 192.168.1.255 netmask: 255.255.255.0 gateway ? CENTOS: eth0: ip: 192.168.1.2 bcast: 192.168.1.255 netmask 255.255.255.0 gateway 192.168.1.1 I basically want this: Make specific NAT rules from the internet to specific internal servers depending on the port: Connections incoming to port 80 must be redirected to 192.168.1.2:80 Connections incoming to port 3306 must be redirected to 192.168.1.3:3306 and so on... I also need one NAT rule to allow the servers in the subnet 192.168.1.x to browse the internet. I need to route the requests on eth0 to eth1 to be able to exit to internet. Can I do this on the UBUNTU machine with iptables? Thanks!

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  • www-data can upload a file but cant move it after the upload action

    - by user70058
    I am currently running Apache and PHP on Ubuntu. I have a page where a user is supposed to upload a profile image. The action on the backend is supposed to work like this: Upload file to user directory -- WORKS! Refer to the uploaded file and create a thumbnail in directory thumbs -- DOES NOT WORK www-data has write access to directory thumbs. My guess is that www-data for some reason does not have proper access to the file that was uploaded. UPLOADED FILE PERMISSIONS -rw-r--r-- 1 www-data www-data 47057 Feb 8 23:24 0181c6e0973eb19cb0d98521a6fe1d9e71cd6daa.jpg THUMBS DIRECTORY PERMISSIONS drwxr-sr-x 2 www-data www-data 4096 Feb 8 23:23 thumbs Im at lost here. I'm new to Ubuntu as well. Any help would be greatly appreciated!

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  • Multiple VLANs on a single subnet

    - by mstaessen
    I would like to establish the setup shown below. The image is taken from (http://gcharriere.com/blog/?p=620) and explains how to set this up on a brocade device. I would like to use an ubuntu server to do the routing. Right now, the switch and the server/router are connected with a trunk and the server uses the vlan package, kernel module and (inner) subnets for routing. I would like that: no IP addresses get lost in the subnetting (outer subnet is /26, inner subnets are /28) I don't want the rigorous subdivision of my outer subnet. I want to assign a VLAN to any IP in the outer subnet. How do I need to configure my interfaces? What is the "ubuntu" translation of "ip follow ve"? Thanks!

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  • Alt-tab icon list in Gnome and metacity?

    - by Vinh Nguyen
    Can anyone provide a reference or explain how the icons to the alt-tab list is populated? I would like to specify some icons for some programs that do not have icons, e.g. xterm. I'm using Ubuntu 11.04 with Gnome 2 (Ubuntu Classic) and metacity as the window manager. I did see this thread that mentions /usr/share/pixmap/, but if I use cp gnome-terminal.xpm xterm.xpm the icon was not populated in the alt-tab icon list (even after a logout/login). I do see that the icon is populated when I added the xterm command to the Program Menu.

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  • VMware Kernel Module Updater hangs on Ubuntu 13.04

    VMware Player has a nice auto-detection of kernel changes, and requests the user to compile the required modules in order to load them. This happens from time to time after a regular update of your system. Usually, the dialog of VMware Kernel Module Updater pops up, asks for root access authentication, and completes the compilation. VMware Player or Workstation checks if modules for the active kernel are available. In theory this is supposed to work flawlessly but in reality there are pitfalls occassionally. With the recent upgrade to Ubuntu 13.04 Raring Ringtail and the latest kernel 3.8.0-21 the actual VMware Kernel Module Updater simply disappeared and the application wouldn't start as expected. When you launch VMware Player as super user (root) the dialog would stall like so: VMware Kernel Module Updater stalls while stopping the services Prior to version 5.x of VMware Player or version 7.x of VMware Workstation you would run a command like: $ sudo vmware-config.pl to resolve the module version conflict but this doesn't work anyway. Solution Instead, you have to execute the following line in a terminal or console window: $ sudo vmware-modconfig --console --install-all Those switches are (as of writing this article) not documented in the output of the --help switch. But VMware already documented this procedure in their knowledge base: VMware Workstation stops functioning after updating the kernel on a Linux host (1002411). Update As of today I had the first kernel upgrade to version 3.8.0-22 in Ubuntu 13.04. Don't even try it without vmware-modconfig...

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  • Virtualbox fullscreen mode problem

    - by AtharvaI
    hi all I have a slightly weird issue with virtualbox. My host OS is Win7 (64-bit) and guest OS is Ubuntu 10.10(64-bit). When I switch to fullscreen mode in virtualbox, ubuntu display resizes to fit my screen size. however, after that the display is not updated. So if i click a menu or something I don't see it appear. but it seems to work in the background. if i click a menu in fullscreen mode, i don't see anything happen, but if then switch to windowed mode I see the menu already open. I have installed virtuabox guest additions. if any has a similar issue or has found a solution please let me know thanks.

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  • VMware Fusion / New Machine / verify VMs?

    - by drewk
    I just got a 15" MacBook Pro with 8GB RAM, 2.66 i7 and 500GB SSD. Very sweet and fast! My old machine was 2.66 Core 2 Duo. I used Migration Assistant to migrate my old MBP to the new. When I started VMware to run Windows and Ubuntu I got the message first This VM has been moved or copied to a new machine. Did you move or copy it? I answered Copied. Then I got the message this CPU is a different configuration than the machine that created the VM. You may get unpredictable results. I answered Open Anyway. Windows XP, Windows 7, and Ubuntu all seem to work OK, but how can I verify? Is there some form of test harness for a VM? I have had a VM degrade and become unusable with very catastrophic data loss (on Parallels...), so I am a bit paranoid. Thanks,

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  • Install multiple Linux OS using WUBI

    - by soul
    I want to install Linux Mint, and Ubuntu on my laptop using Wubi installation. I already installed Ubuntu, but when I launch the Wubi installer for Mint. I got this guy: Does it mean to say that I can only install one os using the wubi? Do you know of any solution to this problem, except by installing mint using the usual way. I have XP and Windows 7 installed on the machine. That's why I'm using Wubi so that I won't get into troubles.

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  • How To Create An FTP User That Has Permission To EVERYTHING

    - by Serg
    I've spent the last two hours trying to create an FTP user so I can transfer some files over to my Wordpress blog folder. /var/www/sergiotapia.me I'm using vsftpd and Ubuntu 12.04 for my FTP server and I've read tons of documentation, none of which seem to work. I still cannot log in with the FTP user, let alone test if I even have the read/write file permissions. Can a Linux guru here, help me out with a small step by step? I'm comfortable with the terminal and nano, so that's not an issue - I'll SSH into my box. Just tell me what to do and what commands to run. Specifically, this user needs to have read and write access to the /var/ folder and anything within it. I want to have 1 user that can do whatever the heck he wants on my Ubuntu 12.04 VPS machine.

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  • unable to properly execute binaries from PHP

    - by Lowgain
    I was building an app on a SUSE box, and had a binary called create_group for instance, which had a suid bit and allowed my PHP app to call exec('create group grpname'); and create a new group (there are others for users, etc). The binary was a small c script that calls setuid(0) and then runs the user creation stuff. This worked perfectly on the SUSE box I recently moved my project to Ubuntu and everything works fine except these binaries. I can run them from the shell and they work okay, but when I get the PHP app to run them it just does nothing. Is there anything Ubuntu would be doing differently that I'm missing?

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  • Laptop loses signal from WiFi router, but mobile phone holds it fine

    - by Anton
    I have an extremely weird issue with my WiFi router. Both Ubuntu & Windows 7 can connect to it fine, but after 5-10 minutes browser (any one) stops opening pages and tells me it cannot resolve host address. But, at the same time, tools like Skype or BitTorrent work without any issues. I can also browse Internet on my mobile phone connected to the very same router. If I reset router it helps, but after 5-10 minutes I see just the same problem... Ubuntu tells me that WiFi signal is lost (mobile sees it), Windows 7 just won't let me browse anywhere. Can anyone give me a suggestion on this, please? Thanks

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  • Why the Utilities button of Virtual Machine Settings/Hardware/Hard Disk(IDE) is disabled?

    - by q0987
    I am using ubuntu 11.04 virtual image with VMWare Player 4.0.2 build-591240. Because I found that the folder that holds the VMWare image goes to 8GB and want to shrink the size by using the utilities tool provided by the VMWare Image Player. However, I found that the button is disabled like this. Question How to enable the button so that I can use it to shrink the size of virtual image used by ubuntu? Question If I cannot enable the button, is there another way that I can shrink the size of used space? Thank you

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  • 3 Root accounts in MySQl database

    - by hairbymaurice
    Hello, I have managed to get mySQL running under Ubuntu 8.10, I am now diligently trying to secure the database and am adding passwords for the root users. My question: I have a root user under the host "kickseed" with no password set I have no idea what kickseed is as the database is installed under localhost, on searching around i have discovered that this is something to do with the ubuntu OS itself. Is it safe to delete this user account from MySQL or is it used for something by the OS? If i need to keep it should i /can i protect it with a password? Also i have another root account under the host IP 127.0.0.1 again can i delete this? My absolute preference would be to have only one account with root access but i do not want to delete these accounts if they are necessary. Thanks for tolerating a newbie Regards Hairby

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  • Deleted entire harddisk. Now my laptop won't boot anything and stuck at grub rescue

    - by Jahan
    My laptop is Dell Inspiron N4030. I used to use Ubuntu 12.04 and it was on the entire hard drive. I tried to install windows 7 but my laptop couldn't install it. So, I decided to delete the entire hard drive and do a fresh install of Windows 7. But after deletion I immediately removed the gparted live usb which I was using to delete the partitions of my hard drive. And then tried booting from windows 7 cd, didn't work, tried ubuntu live cd, didn't work, tried hiren's boot cd, didn't work, tried super grub disk, didn't work. Probably I'm not doing it right. Help needed badly.

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  • Apache - access two or more virtual hosts from outside

    - by André Alçada Padez
    I have an apache2 server running on my ubuntu system. I have two sites enabled: default (ServerName localhost) site2 (ServerName jslib) I run a windows Virtual Box Machine, to be able to test my stuff in IE. If i type the ubuntu's IP in the addressbar i get the localhost. I was wondering how can i access both (or more as i need it) from other machines. Thanks update I have configured the windows' hosts file like so: 10.0.2.2 localhost 10.0.2.2 jslib It works, but i am really looking for something that i can configure on the server side, and then just change the value of the URL, am i crazy?

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  • Passenger 'premature end of script headers' error

    - by fatnic
    Hi. I really need help debugging an error I'm getting with Passenger on Apache. I've just made a fresh install of Ubuntu 10.4 and have Apache, Ruby and Passenger installed. I'm trying to run a simple rack app but keep getting this error in my Apache error.log [Tue Sep 28 05:54:41 2010] [error] [client 86.171.2.82] Premature end of script headers: The error then continues with The backend application (process 25574) did not send a valid HTTP response; instead, it sent nothing at all. It is possible that it has crashed; please check whether there are crashing bugs in this application. *** Exception NoMethodError in PhusionPassenger::Rack::ApplicationSpawner (undefined method `call' for nil:NilClass) (process 25574): I've tried older versions of passenger also but get the same error. Ubuntu 10.4 Apache 2.2.14 Ruby 1.9.2-p0 Passenger 2.2.15

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  • Can gedit on mac be used to edit files over ssh?

    - by Dave
    I use a linux machine at work and a mac at home. I can ssh from my machine at home to my work machine. But the only editor that I have access to on the command line then is vi, which I don't like. Is there a way to use gedit on my mac to edit files remotely over an ssh connection? This page says that it can be done, but I think that it assumes that you are using gedit on ubuntu. On my mac (os 10.5.8) I don't have the "bookmark" option when I click "connect to server". http://thecodecentral.com/2010/04/02/use-gedit-as-remote-file-editor-via-ftp-and-ssh-ubuntu/comment-page-1#comment-50558

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  • ProFTPD pam_ecryptfs: Error getting passwd

    - by Olirav
    proftpd: pam_ecryptfs: Error getting passwd info for user [USERNAME] I am getting this error in the syslog nearly every time any user connects via FTP, the user is able to connect and the session seems to continue without a hitch. ProFTPD.log shows no error, this warning only show in the syslog. My VPS is running Ubuntu 11.10 and Proftpd 1.3.4rc2 from the Ubuntu Repo, I have made only a few changes to the config (no weird auth methods). This has been going on for quite a while but I can't quite find the cause. Anyone got any ideas?

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  • why is drop box syncing so freakishly slowly in my linux virtual machine?

    - by Bec
    i am setting up a linux virtual machine (windows 7 64 bit host, ubuntu 64 bit guest, using virtual box) and i just installed drop box and set it to sync. I've only got about 2Gb in there so i figured it should take just an afternoon, but it's going at about 0.5 kB/second and says it will take about 60 days. I usually get about 200 kB/second in the host OS, and downloading straight from the dropbox website through firefox in the ubuntu VM i get about that, but sync is really slow. any tips?

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