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  • Lock screen does not display all users (ubuntu 14.10)

    - by Ali Alwan
    When I lock my screen using ctrl+alt+L, I am not able to see other users listed within the lock screen so I can switch instead. The lock screen shows only my name as an option for login, however I would like to switch to other user accounts. In Ubuntu 12.04 it used to show all system available users in lock screen and I was able to switch easily. Last night I upgraded to Ubuntu 14.04 and this option is gone. How do I set back this option?

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  • Display resolutions missing after upgrade to Ubuntu 12-10

    - by Jim Grover
    I recently upgraded my dual-boot HP laptop (dv7-3060us, 17.3" display) from ubuntu 12-4 to 12-10. After the upgrade, only three (3) resolutions are available (800x600, 1024x768, and 1152x864, all 4:3 resolutions), none of which are 16:9. Everything worked properly in 12-04. The display adapter is ATI Mobility Radeon HD 4530. Does anyone have any ideas/suggestions about how to correct this problem? Thanks.

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  • 60 Years of Barcodes [Infographic]

    - by Asian Angel
    Barcodes adorn nearly everything we buy such as food, books, movies, and more, so just how did it all begin and how has the technology evolved over the past sixty years? 60th anniversary of the barcode [via Graph Jam - Cheeseburger Network] 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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  • How to configure the default automount location?

    - by warkior
    I recently upgraded from Mint 12 to Ubuntu 12.10 + Cinnamon. I have an external usb drive that when I plug it in, automatically mounts to /media/[username]/Backup/. Thing is, under Mint, it didn't include the [username] portion. It just mounted to /media/Backup. My question is, how do I switch back to that format? I don't need the drive mounted under my username. Just under media. Thanks in advance.

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  • Mount problem on 12.10

    - by Malcolm Osborne
    I've just done an online upgrade from 12.04 to 12.10 - seemed to have gone well, but now I cannot access other drives (partitions) on my PC, also flash drives. Get error Unable to mount location - Adding read ACL for uid 1000 tomedia/malcolm failed':Operation not supported. Content of mount -l: /dev/sdb8 on / type ext2 (rw,errors=remount-ro) proc on /proc type proc (rw,noexec,nosuid,nodev) sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) none on /sys/fs/fuse/connections type fusectl (rw) none on /sys/kernel/debug type debugfs (rw) none on /sys/kernel/security type securityfs (rw) udev on /dev type devtmpfs (rw,mode=0755) devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620) tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755) none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880) none on /run/shm type tmpfs (rw,nosuid,nodev) none on /run/user type tmpfs (rw,noexec,nosuid,nodev,size=104857600,mode=0755) binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev) gvfsd-fuse on /run/user/malcolm/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,user=malcolm)

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  • how to remove unmet dependencies created by vlc player in ubuntu 12.04 LTS?

    - by Anti
    Output on trying to remove vlc with sudo apt-get remove vlc: niranjan@niranjan-OEM:~$ sudo apt-get remove vlc Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: libvlccore5 : Depends: vlc-data (= 2.0.8-0ubuntu0.12.04.1) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). Trying sudo apt-get -f install niranjan@niranjan-OEM:~$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: vlc-data The following NEW packages will be installed: vlc-data 0 upgraded, 1 newly installed, 0 to remove and 452 not upgraded. 8 not fully installed or removed. Need to get 0 B/10.3 MB of archives. After this operation, 30.4 MB of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 95% dpkg: unrecoverable fatal error, aborting: files list file for package 'libavutil51' is missing final newline E: Sub-process /usr/bin/dpkg returned an error code (2)

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  • Recipient address rejected: User unknown in local recipient table;

    - by Thufir
    I've gone through the guide for mailman with some difficulty, but seem to be nearly there. I'm able to navigate to the mailman web GUI, create lists and subscribe. I just subscribe my local FQDN, so [email protected] for testing purposes. This FQDN only works on localhost. However, e-mails to the list address, in this case [email protected], are rejected: root@dur:~# root@dur:~# tail /var/log/mail.log Aug 28 08:28:43 dur postfix/master[12208]: terminating on signal 15 Aug 28 08:28:44 dur postfix/postfix-script[12322]: starting the Postfix mail system Aug 28 08:28:44 dur postfix/master[12323]: daemon started -- version 2.9.1, configuration /etc/postfix Aug 28 08:28:46 dur postfix/postfix-script[12332]: stopping the Postfix mail system Aug 28 08:28:46 dur postfix/master[12323]: terminating on signal 15 Aug 28 08:28:47 dur postfix/postfix-script[12437]: starting the Postfix mail system Aug 28 08:28:47 dur postfix/master[12438]: daemon started -- version 2.9.1, configuration /etc/postfix Aug 28 08:29:29 dur postfix/smtpd[12460]: connect from localhost[127.0.0.1] Aug 28 08:29:30 dur postfix/smtpd[12460]: NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 550 5.1.1 <[email protected]>: Recipient address rejected: User unknown in local recipient table; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<dur.bounceme.net> Aug 28 08:29:33 dur postfix/smtpd[12460]: disconnect from localhost[127.0.0.1] root@dur:~# root@dur:~# ll /var/lib/mailman/data/ total 56 drwxrwsr-x 2 root list 4096 Aug 28 08:28 ./ drwxrwsr-x 8 root list 4096 Aug 27 19:58 ../ -rw-r--r-- 1 root list 0 Aug 28 04:36 aliases -rw-r--r-- 1 root list 12288 Aug 28 04:36 aliases.db -rw-r--r-- 1 root list 12288 Aug 28 08:28 aliases.db.db -rw-r----- 1 root list 41 Aug 27 21:04 creator.pw -rw-rw-r-- 1 root list 10 Aug 27 19:58 last_mailman_version -rw-r--r-- 1 root list 14100 Oct 19 2011 sitelist.cfg root@dur:~# root@dur:~# grep alias /etc/postfix/main.cf alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases alias_database = hash:/var/lib/mailman/data/aliases.db #alias_database = hash:/etc/aliases root@dur:~# root@dur:~# postconf -n alias_database = hash:/var/lib/mailman/data/aliases.db alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix default_transport = smtp home_mailbox = Maildir/ inet_interfaces = loopback-only mailbox_command = /usr/lib/dovecot/deliver -c /etc/dovecot/conf.d/01-mail-stack-delivery.conf -m "${EXTENSION}" mailbox_size_limit = 0 mailman_destination_recipient_limit = 1 mydestination = $myhostname localhost.$mydomain localhost $mydomain myhostname = dur.bounceme.net mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 readme_directory = no recipient_delimiter = + relay_domains = lists.example.com relay_transport = relay relayhost = smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtp_use_tls = yes smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_recipient_restrictions = reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_authenticated_header = yes smtpd_sasl_local_domain = $myhostname smtpd_sasl_path = private/dovecot-auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_tls_auth_only = yes smtpd_tls_cert_file = /etc/ssl/certs/ssl-mail.pem smtpd_tls_key_file = /etc/ssl/private/ssl-mail.key smtpd_tls_mandatory_ciphers = medium smtpd_tls_mandatory_protocols = SSLv3, TLSv1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes tls_random_source = dev:/dev/urandom transport_maps = hash:/etc/postfix/transport root@dur:~# Why is this e-mail rejected? It seems to, maybe be related to the alias_maps and alias_database settings in postfix.

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  • Mount exFAT partition in virtual guest machine

    - by Alain Jacomet
    I have a real Ubuntu 12.10 installation being virtualized under a Windows 8 host, by using the VBoxManage.exe internalcommands createrawvmdk method. I'm trying to mount an exFAT partition into the virtualized machine (which is the partition of shared work files), but even though I have fuse-exfat installed, and the partition is perfectly mountable while booting entirely into Ubuntu, I can't mount it while virtualizing it. 1- If I make a full vmdk image of the HDD, including all partitions, Ubuntu 12.10 "sees" the partition, and trying to mount it throws this error: Image: http://i.stack.imgur.com/AyUSn.png 2- If I make a machine with only the linux partitions, + the exFAT partition. Again Ubuntu "sees" the partition and the result is: Error: fsync failed Image: http://i.stack.imgur.com/u4SkC.png 3- If I make a machine with only the linux partitions, and try to mount it, Ubuntu doesn't "see" the partition, and I get this error: Image: i.stack.imgur.com/q1hz5.png I've tried using the VirtualBox' "Shared Folders" functionality but even though I install the "Guest Additions", the system doesn't seem to recognize the shared folder: Image: i.stack.imgur.com/yLU0E.png Help? Thanks!

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  • Configure mailserver to make all the mails come to 1 single mailbox

    - by Vinod K
    mailserever domain name is "Vrk.com".. I want to store message sent to "yahoo.com" too...can i do tht.. I have /etc/postfix/virtual in which i have entered.. @yahoo.com root And 1 more thing...i have user named "vinod" in the mail server...now when i address any mails to "[email protected]"...it works....but when i do "[email protected]"...it gives me error saying...this doesnt exist in the the server...but when i send mails to "[email protected]"...it sends the mails (though it goes into the mail.log as an error entry)...it atleast doesnt stop me from sending it...why is that??

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  • What's the command to open the Unity Dash?

    - by Scintoon
    I would like to know the command (from the Terminal) which opens the Unity dash, the reason being I want to create a desktop icon that starts the dash instead of the 'Windows Key' for keyboard-free use of the computer (I miss the old Ubuntu-Tweak effect where putting your mouse to the corner of the desktop would reveal Expo or Scale effects - by the way, is it possible to get it back?) Making a launcher (Application, Name, Command, Comment, etc) I tried the commands 'Unity', 'Dash' and other things, but I didn't manage to get it to work. I am using version 12.04

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  • At The ATM: The Challenge of Tiny Buttons [Video]

    - by Jason Fitzpatrick
    If you’ve ever mis-mashed the buttons on an electronic device because your fingers are just too big, you’ll appreciate the situation this cheerful but massive fingered fellow gets into. Courtesy of Rikke Asbjoern, created while interning at Cartoon Network, the video is sure to hit home with those of us that fumble keypads and buttons wherever we go. [via Neatorama] HTG Explains: What Is RSS and How Can I Benefit From Using It? HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online

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  • Ubuntu 12.04 booting into busybox after update

    - by Victor Alejandro Martinez
    Every time the system updates the kernel from 3.5.0-24 to 3.5.0-34 I get dropped into a busybox prompt at boot, but I can boot just fine using the previous kernel. I've tried all I know. I did a fsck.ext3 -f /dev/sdb2 using the alternate install CD. I've used boot-repair but to avail, I've checked for bad blocks but there are none. Should I purge the new kernel and use the old one instead? This is the output from boot-repair the first time, no purge. http://paste.ubuntu.com/5809230/

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  • Cant get internet connection at all on Ubuntu 13.04

    - by James Ellis
    I installed Ubuntu 13.04 alongside my Windows Vista, at the start of installation it doesn't connect to the internet to download updates during installation, also during installation towards the end it removes a lot of stuff that i couldn't catch the details of at the time, it won't find my internet connection even though windows does, i tried using the ethernet cable but it wouldn't pick that up either. So i clicked in Ubuntu... System, network-Browse Internet, then Windows Internet and it said "failed to retrieve share list from server:no such file or directory" how can i get Ubuntu to find my internet???

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  • Deeper Unity search indexing

    - by Chris Bauer
    Unity is currently only indexing and displaying a shallow set of file results. Suppose I want to open the file "/home/Music/Creedence Clearwater Revival/Willy and the Poor Boys/The-Midnight-Special.mp3". I open the "Files and Folders" lens and type "The Midnight Special". Unfortunately, the song doesn't display. I try "Willy and the Poor Boys" but that folder doesn't display either. The only folder that does display in the lens is "Music". Therefore I must open the "Music" folder then navigate through the entire directory tree to open the file I want. How do I get a deeper index of files to display in the "Files and Folders" lens? Thanks for your help!

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  • How do I play HD video without stuttering?

    - by hugocreal
    Hello All, I want play a Blu Ray Video from my hard drive with Boxee, but it chokes all the time, i try play with others video players but is the same. I think that is a 10gb .mkv file with 10Gb. Stuttering video with VLC , mplayer, and the default video player on ubuntu... I read in many Forums just can´t put this to work. Any idea? thanks. Ubuntu 10.10, My PC specs: Single Core 2Ghz ATI HD 4350 (i have installed the drivers from "Hardware Drivers"), 2G Memory

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  • What is the best way to restrict adult content on 12.04 LTS

    - by Stephen Myall
    I bought my kids a PC and installed 12.04 (Unity) on it. The bottom line is, I want my children to use the computer unsupervised while I have confidence they cannot access anything inappropriate. What I have looked at: I was looking at Scrubit which allows me configure my wifi router but this solution would also affect my other PC and mobile devices. This is not feasible as I just want the solution to work on one PC. I also did some Google searches and came across Nanny (it seems to look the part). My experience of OSS is that the best solutions frequently never appear first on a Google search list so my question is very specific. I want to leverage your knowledge and experience to understand “What is the best way to restrict adult content on 12.04 LTS” as this is important to me. Please don't answer this question "try this or that", then give me some PPA, I am looking for knowledge and experience from someone in my situation. Thanks in advance

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  • How do I access shared folders on Ubuntu server from Mac OS?

    - by Stephen
    I have an old dell desktop running ubuntu 11.04, I also have samba installed on it. I'm trying to access the shared folders on the Ubuntu machine from my Mac, so I go into 'Finder', click on 'Go' and 'Connect to Server'. I type in the ip address of the ubuntu machine smb://xxx.xxx.x.xx and click connect, I can then see the list of shared folders from the ubuntu machine so I know its making a connection. But when I access the 'Music' folder I get an error message stating: There was an error connecting to the server "xxx.xxx.x.xx". Check the server name or IP address, and try again. Any thoughts anyone ? EDIT I have a external hard drive attached to the server, and the folders I'm trying to access are located on that external hard drive. The location of the folder is /media/HD-CELU2/test, so I think the path from Finder should be smb://xxx.xxx.x.xx/media/HD-CELU2/test, but having tested this, I'm still not getting in. P.S. I'm using Samba as I have a Windows machine on my home network as well.

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  • Repurpose a Kobo Reader as a Weather Station

    - by Jason Fitzpatrick
    Last month we showed you a clever hack that converted an old Kindle into a weather station; this new hack uses a Kobo ebook reader (cheaper hardware) and ditches the external server (less overhead). Even better, this new hack is simpler to deploy. You’ll need a Kobo unit, a free installer bundle courtesy of Kevin Short over at the MobileRead forums, and a few minutes to toggle on telnet access to your Kobo and run the installer. Hit up the link below to read more about the self-contained mod. Kobo Wi-Fi Weather Forecast [via Hack A Day] Can Dust Actually Damage My Computer? What To Do If You Get a Virus on Your Computer Why Enabling “Do Not Track” Doesn’t Stop You From Being Tracked

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  • How do I limit the size of my syslog?

    - by Wayne Werner
    I've got my mom's computer running Ubuntu 12.04 LTS. It's been working just fine but all of the sudden syslog has been filling up. And by filling up I mean I just deleted a /var/log/syslog that was 400GB in size. Yes - Gigabytes. While I'm sure there was some useful information in there, I'm not sure that 400GB is any kind of information to sift through. And what's really amazing about it is that it happened within a period of 8 hours - I had ran df around noon, and between then and now her drive filled up 30% (from just under 70% to 100%). What could be causing this and how could I fix it?`

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  • How can I create a partition without the usage of Live CD nor USB?

    - by Ariel
    ¿Cómo crear una partición sin usar live CD ni USB? Is it possible to create a partition when using the system? When I try to do it on gParted, it seems that the options are disabled because of the disk is mounted and it cannot be unmounted because of I am using it in the system. I wish to create a new partition without removing or affecting the file system; just creating a new partition, but without the need to use a Live CD or USB. ¿Es posible crear una partición estando en el sistema? Ya que cuando lo intento desde GParted, al parecer están desactivadas las opciones porque la unidad está montada y no se puede desmontar ya que estoy usando el sistema. Quiero crear una nueva partición pero sin quitar o afectar el sistema de archivos; sólo crear una nueva partición, pero sin live CD o USB.

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  • Cannot boot into system after deleting partition

    - by Clayton
    Okay...so this was kind of a stupid thing for me to do now that I think back on it. I was experiencing a ton of lag and not as much memory that I could use after installing Ubuntu 12.04. So after remembering I had installed multiple server versions of Ubuntu 12.04 by mistake, I went into Disk Management and proceeded to delete each and every one. Everything went fine. Up until this week, I have not experienced any problems. But starting yesterday I began to get lag just as I had before, and nothing fixed the problem. I decided to remove the Ubuntu partition, since I was also experiencing a visual error when given the option to select one to boot(the screen doesn't come up at all, and I recieved a monitor resolution error instead, but could still access both Windows and Ubuntu via arrow keys). After deleting the Ubuntu partition, so that I could see if running just Windows would fix the problem, I proceeded with what I was doing, installing a few programs that were not tied to my prediciment in any way. Upon rebooting my desktop, however, I recieved the following error: error: unknown filesystem. grub rescue> Hoping I could boot into Ubuntu via a pendrive and possibly backup my important files and wipe the hard drive to start fresh, I installed Ubuntu 13.04, but even that does not boot. Instead, I get this message on a terminal screen: SYSLINUX 4.06. EDD 4.06-pre1 Copyright (C) 1994-2011 H. Peter Anvin et al ERROR: No configuration file found No DEFAULT or UI configuration directive found! boot: So more or less, my desktop is screwed. I need to be able to get to the files inside because of my job as an artist, as well as retrieve my documents for my stories stored on Windows. Once I can succeed in solving this once and for all, I know for a fact I will stick to Ubuntu only, and install what is required to be able to run any Windows applications I used to use or need to use. I would rather not reformat the hard drive, and if I need to, it is a last resort. And I doubt I can use a Windows Recovery Disk to get my files back, as my mom has thrown out a lot of the installation disks and paperwork I would need to even follow through with that. :\ Keep in mind that I am a novice/newbie when it comes to Linux, but am hoping ot become better at it as time goes by. I appreciate any help you guys can give me. This will probably be the last time I attempt to do anything that could risk the well-being of my PC. (I've also looked through various questions on the site and tested a lot of the solutions. None seem to have worked.)

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  • GUI keyword confusion

    - by richzilla
    Ive been using linux for some time, and ive never quite got my head around the various keywords attached to the GUI. I think i understand the difference between the likes of KDE and Gnome - They are collections of applications and other software that make up a given gui environment. However a quick read through any vaguely technical linux websites will reveal terms like: Murrine Clearlooks GTK Beryl Metacity Window manager Which if im honest, i have no real idea what they mean and how they all relate to each other. Can anybody clarify?

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  • How to apply disk quota in ubuntu server on a VPS?

    - by Pedram
    I have a VPS with ubuntu server 10.04 installed on it.Now I want to have some shell users with limited home folder size. It seems quota is the best way to do this, but all tutorials require editing /etc/fstab and add usrquota or grpquota to /home partition options. As my /etc/fstab looks like this: proc /proc proc defaults 0 0 none /dev/pts devpts rw 0 0 how can I apply quota?

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  • error during installation

    - by ratnesh
    at the time of installation ubuntu 10.04.4 from iso inside windows 7 in hp laptop i got this error so plz tell me how can an error occurred:is error executing command command=c:\windows\system32\bcdedit.exe/set {77cbb5c5-2fbf-11e0-820a-f8b4fbbabc97}device partition=f: retval=1 stderr=An error has occurred setting the element data. the request is not supported. stdout=

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  • No root file system - Alternate CD + LVM

    - by Carlos
    I am trying to install 11.10 as dual boot with Windows 7. I have all partitioned well as you can see here: http://www.flickr.com/photos/42897978@N00/7111180385/ I burned the Alternate CD ISO to a CD. Boot from it and followed instructions to Partitioning. There, I configured the LVM partitions as follows: Volume Group ubuntu-vg - Uses Physical Volume /dev/sda7 380GB - Provides Logical Volume home-lv 60GB - Provides Logical Volume root-lv 60GB - Provides Logical Volume swap-lv 6GB That is all I want (note that my /boot is outside of LVM) Then when I say that all is Ok and to write it to disk and continue with the installation, I get the following error. !! Partition Disks No root file system No root file system is defined Please correct this from the partitioning menu. What should I fix and how? I tried issuing the "Revert changes to partitions", but nothing happens. It seems that the LVM configuration has already been written to the CD. HELP!!

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