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• Revert permission of /usr back to root

  - by Rodrigo Sasaki

  I was doing some alterations but in one I messed up. I changed the permissions of almost everything inside the /usr folder to my own user. It didn't change everything because it failed in the middle of the execution, I still have /sbin, /share and /src assigned to root. the command I ran was this (this was executed while inside /usr): sudo chown -R myuser:myuser . Is there any way for me to revert this? If I run: sudo chown -R root:root . I get this error: sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set

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• xubuntu 13.10: automount usb sticks

  - by netimen

  I have a freshly installed Xubuntu 13.10 on the Lenovo T520 laptop. In the Settings Manager — Removable Drives and Media I have the Mount removable drives when hot-plugged and Mount removable media when inserted checked. But when I insert an usb-stick (VFAT) it doesn't get auto-mounted. So I can't access it from terminal. It gets mounted only when I click on the drive icon on the desktop or in Thunar. Can I fix it somehow?

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• Blurry vertical sections using fglrx with Radeon hd 6970

  - by Jesus Ramos

  So I managed to get fglrx working by downloading the drivers from ATI because the ones from additional drivers boot to a black screen and the open source dont let me change resolution. My one issue is that half of my monitor is fine and the other half is blurry almost as if there's a blurry vertical stripe on the right side. I tried disabling Compiz and have the same issue in both gnome and kde, I was wondering if theres an xorg.conf change that could be made to fix this as I have already set the resolution and refresh rates to the correct values.

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• Apt-get saying "Unable to correct problems, you have held broken packages."

  - by YatharthROCK

  TL;DR: sudo apt-get install ... saying "Unable to correct problems, you have held broken packages." The problem I was trying to get the WebApps feature for PP and QQ following this blog post. I ran the sudo add-apt-repository ppa:webapps/preview command to add the repository, but i got a connection error. Since I know my current ISP gives a shaky connection, I tried again and sure enough, it worked. Then I ran sudo apt-get install unity-webapps-preview, but I realized we had to update apt-get first, so I hit Ctrl + C to stop it. Then I ran sudo apt-get update which worked w/o a fuss, but when I ran sudo apt-get install unity-webapps-preview again later, it showed an error message. Here's the dump: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: unity-webapps-preview : Depends: xul-ext-unity but it is not going to be installed Depends: xul-ext-websites-integration but it is not going to be installed Depends: xul-ext-webaccounts but it is not going to be installed E: Unable to correct problems, you have held broken packages. I think this might be because of me interrupting the earlier command. It hadn't got a chance to output anything, though — I stopped it pretty fast. What I tried I have tried running a number of commands:- sudo apt-get install --fix-broken sudo apt-get autoclean sudo apt-get autoremove sudo apt-get -f install sudoapt-get install ppa-purgeandsudo ppa-purge ppa:webapps/preview` Even after running sudo apt-get upgrade after every try, none of them worked. Research I tried searching Google, looking at a couple of forums and searching on AU, but to no avail. Help would be appreciated.

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• How to make a directory with permanent permissions different from default

  - by Carlos Fernández San Millán

  I have system-wide default permissions set with umask 027. I am in the need to make a directory whose sub-directories would need 775 permission and whose files would need 664 permissions and make these permissions permanent after booting the system. I am looking for the best options out there without compromising security. Any ideas? Thank you. Some research done: sudo chfn -o "umask=002" daemon_username bash script running at boot with umask 022 on the desired directory

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• My wireless is hard-blocked

  - by Cristian

  I'm new to linux and i am having trouble getting my wireless to work I've found the following things Wireless LAN Soft blocked: no Hard blocked: yes and : *-network DISABLED description: Wireless interface product: RT3090 Wireless 802.11n 1T/1R PCIe vendor: Ralink corp. physical id: 0 bus info: pci@0000:02:00.0 logical name: wlan0 version: 00 serial: 6c:62:6d:19:38:b9 width: 32 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=rt2800pci driverversion=3.2.0-25-generic-pae firmware=0.34 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:16 memory:fdfe0000-fdfefff Can you please tell me what to do?

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• Dans Guardian install

  - by Matt

  I'm trying to install Dans Guardian on a virtual machine. The instructions ask me to run the ./configure script and then execute the command make install. The configure script runs fine but the make install throws errors. Making all in src make[2]: Entering directory `/webmin/dansguardian-2.10/src' g++ -DHAVE_CONFIG_H -I. -I.. -D__CONFFILE='"/usr/local/etc/dansguardian/dansguardian.conf"' -D__LOGLOCATION='"/usr/local/var/log/dansguardian/"' -D__PIDDIR='"/usr/local/var/run"' -D__PROXYUSER='"nobody"' -D__PROXYGROUP='"nobody"' -D__CONFDIR='"/usr/local/etc/dansguardian"' -g -O2 -MT dansguardian-fancy.o -MD -MP -MF .deps/dansguardian-fancy.Tpo -c -o dansguardian-fancy.o `test -f 'downloadmanagers/fancy.cpp' || echo './'`downloadmanagers/fancy.cpp downloadmanagers/fancy.cpp: In member function âstd::string fancydm::timestring(int)â: downloadmanagers/fancy.cpp:507:72: error: âsnprintfâ was not declared in this scope make[2]: *** [dansguardian-fancy.o] Error 1 make[2]: Leaving directory `/webmin/dansguardian-2.10/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/webmin/dansguardian-2.10' make: *** [all] Error 2 I'm running 12.04 LTS server x64

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• Can't connect to wireless on Lubuntu

  - by migwke

  I have a CISCO 802.11b WIFI Mini PCI LAN card in my IBM ThinkPad T30 laptop. Is this wireless card compatible with Lubuntu? I have Lubuntu installed and it just won't connect. It keeps saying that it is trying to configure then it says that it is connected but it does not work. I know that the wireless network is working correctly because I can connect to it with all my other devices and it works on this very same laptop when I am running Windows. I added the following commands to blacklist.conf, but still no luck blacklist padlock_aes blacklist geode_aes

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• How do I change a local apps locale in LTSP?

  - by Danil Zvyagintsev

  I'm wondering how to change locale (UI gtk) inside local apps to ru_RU for example instead of en_US. Ror example i install chromium-browser inside client image chroot /opt/ltsp/i386 apt-get -y install chromium-browser ltsp-update-image --arch=i386 booted from thin client i see LDM in ru_RU lang login to x session (gnome) everything is in ru_RU but trying run ltsp-localapps chromium-browser and see chromium with en_US interface...BUT i need in RUSSIAN i've added file on both host (/etc/default/locale) and thin client image (/opt/ltsp/i386/etc/default/locale) with LANG=ru_RU.UTF-8 LANGUAGE=ru_RU.UTF-8 LC_ALL=ru_RU.UTF-8 but nothing changed lts.conf also has LDM_LANG=ru_RU.utf-8 in it... Is it possible to change lang of localapps?

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• Unexpected deletion of directory

  - by Anubhav Chaturvedi

  I find that somehow the Downloads directory in /home/user/ is deleted. on using $locate Downloads, it shows the existence of directory without any existence of files within. now when i manually create directory named Downloads, $ locate Downloads shows the directory as well as the files the original folder had. also there is no hidden Downloads folder nor can i access the folder or its files this behavior is quite unexpected .... please help.

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• jWIN JC-AM100 not working

  - by Tony Kilgore

  jWIN JC-AM100 not working in skype, i just see black and the little light that comes on the webcam showing its in use does not come on ether, but it works with cheese but its upside down. =[ lsusb: Bus 002 Device 012: ID 093a:2620 Pixart Imaging, Inc. Bus 002 Device 002: ID 04d9:1702 Holtek Semiconductor, Inc. Bus 002 Device 005: ID 046d:c05a Logitech, Inc. Optical Mouse M90 Bus 002 Device 004: ID 058f:9360 Alcor Micro Corp. 8-in-1 Media Card Reader Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub<

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• 'sudo su -' vs 'sudo -i' vs 'sudo /bin/bash' - when does it matter which is used, or does it matter at all?

  - by Paul

  When I'm doing something that requires root be typed in dozens of times in a row, I prefer to switch my session to a root session. In the various tutorials and instructions I have used on the Internet, I see sudo su, sudo su -, sudo -i and sudo /bin/bash being used to open a root session, but I'm not clear on the difference between these and when or if that difference matters. Can someone clear this up for me?

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• How can I edit/create new launcher items in Unity by hand?

  - by Ike

  Will Unity allow making custom launcher icons from .desktop files or via menu editing system? (Right now the launcher doesn't give the option to "keep in launcher" on all programs. For some programs I use, I have to make custom launchers or .desktop files. For instance, daily blender builds are generally just folders with an executable. In basic gnome or kde, I can make a new menu entry with the menu editing system. Then, I can also add it to docky either from the menu or by dragging a .desktop file to it. Unity launcher doesn't support drag and drop, so thats not a bug or anything, but when i open a .desktop file, it has unpredictable results. Most time it will not have"keep in launcher". Sometime it will have a pinnable item without the .desktop's icon, and if i pin the item to the launcher, it will not call upon the program again after closing it. I've also gotten it to just work with a .desktop file for "celtx".

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• Bind Ctrl+Right to nextword in nano (as it is in all other apps)

  - by turbo

  And likewise Ctrl+Left to prevword. I read the man page of nanorc and found bind key function menu So the line bind ^Left prevword main would be what I want, the problem is that nano only accepts an alpha character or the word "Space" so Left doesn't exist. Is there a way to accomplish this? Right now I'm on natty (nano 2.2.2) but I will upgrade nano if a later (devel?) version can do this.

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• Lubuntu 12.04 installation trouble

  - by Evaggelos Tsampazis

  I have i problem! I can't install the Lubuntu 12.04 on my old pc. I only get to the point where I have entered all the needed information (hard drive, username, password etc). When the installation wizard is starting to copy files from the cd to the hard drive, I get after about one minute a blank sreen with only themouse cursor! I can move the mouse cursor but the whole procegure is stoped! Nothing happens after that! My PC: Compaq Pressario 7000 Pentium III 933 MHz 768 MB RAM Any idea how to solve it?? Thanks!!!

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• Force usb to use same device id, instead of new one

  - by m s kumar

  I am having some trouble in automating the task. I am testing some android based mobiles in linux machine. The automation script uses the device id under "/dev/bus/usb/001/"053" it will be always under bus 001 only.. But the dev is will be random like if i insert one mobile then the dev id will be 053, if remove and insert it again then the dev id will be 054.. The problem is, when some tests runs on the device and if device gets rebooted then new dev id is showing for the rebooted one and my scripts failing due to new dev id.. Is there any way to force usb devices to use same dev id instead of new one. So that there will be no issues to my tests even after device reboots. Thanks in advance.

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• XBMC freezes pc after viewing movies

  - by Eric

  Tough to replicate, but basically after watching any movie in my library on XBMC, it'll randomly start freezing my pc. All I can do is either force shutdown by holding down the power button or wait for it to shut itself down. It's not any particular movie, it's not any particular amount of time watching one. It only happens while using XBMC. PC is older, I know the hardware is outdated, but it's not overheating nor is a simple movie too much for it to play, at least I don't think it is. Specs: Intel Core 2 6400. nVidia Quardro FX 560 4GB RAM So any suggestions? I don't have any bug/error reports because it doesn't print out any. I'm trying to find a program like XBMC, as I like having my movies organized and not have to hunt through folders to find them, so any suggestions there?

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• Partitioning: SSD + HDD Encrypted

  - by wegsehen

  I have a new computer and thinking about partitioning. Situation is this: 60GB SSD 1TB HD On my laptop I'm using full encryption but what do you suggest for encryption? I heard, encryption is bad for SSDs. So I first thought of making SSD / and HDD als /home/ but then I'd be losing advantages of the SSD. Because all config-files would be on the HDD. Other way would be: SSD: / 15 GB unencrypted /home encrypted HDD: 1TB and store Pictures & Music on HDD and link the folders. But that would leave my personal files unencrypted. Also what's about SWAP? What would you suggest for partitioning?

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• Destroy guest OS using php

  - by Alee

  I am using libvirt-php to manage my virtual machines, and I need to shutdown/destroy domU. For this I used the following php script: < ? php $conn=libvirt_connect("xen:///"); $name=libvirt_domain_lookup_by_id($conn,4); $dest=libvirt_domain_destroy($name); echo $dest; ? When I run this on xampp server i get the following output: Warning: libvirt_domain_destroy() [function.libvirt-domain-destroy]: operation virDomainDestroy forbidden for read only access in /opt/lampp/htdocs/xampp/byname.php on line 5. Here is the documentation: http://libvirt.org/php/api-reference.html#libvirt_domain_destroy

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• Disable suspend / hibernate via the policykit

  - by redonath

  I am trying to run Lubuntu 12.04, but if the computer suspends I am unable to bootup again. Instead I see the bios post, the hard disk light flickers once and I have to install again (I have tried to re-install grub2). I am new to Linux and what I found that best answered my question was posted by James Henstridge. The instructions say to create disable-shutdown.pkla in etc/polkit-1/50-local.d/ but this directory does not exist, so do I create a folder titled 50-local.d in poolkit-1 or do I have to place this file elsewhere?

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• I'm unable to update or open the Software Center/ Update Manager

  - by vasista

  The error message says: Could not initialize the package information An unresolvable problem occurred while initializing the package information. 'update-manager' 'E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/mirror3.ubuntulinux.nl_dists_hardy-seveas_freenx_binary-i386_Packages, E:The package lists or status file could not be parsed or opened.'

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• Google Calendar as Default Handler of iCal/ICS files

  - by Rasmus

  I would like for Google Calendar to open ICS files when I open them. In a way analogous to how Gmail can be set to be the default handler for mailto: links. More specifically, I would like for Google Calendar to import them to my primary calendar, which can manually be achieved by, when on Google Calendar, clicking the small arrow next to Other Calendars, then choosing Import Calendar, picking the appropriate file and choosing Import. I don't know if this is possible, but I'm hoping somebody will have a great idea.

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• How can I make sound work without starting X?

  - by Magnus Hoff

  I have a headless machine connected to my sound system, and I am using it to run a music playing daemon that I control over the network. (Among other things) However, I can't seem to be able to have sound come out of my speakers without running X. I am running pulse audio in a system wide instance and my daemon is not running within X. Nevertheless, when my daemon is playing music without me hearing it, I can fix it by running startx in an unrelated session. After X starts, I can hear the sound. The sound disappears again if I kill the X server. Interestingly/annoyingly, the sound also stops after X has been running for a few minutes. This could possibly be because of a screen saver of some sort, but I haven't been able to verify or falsify this theory. So my current workaround is to ssh into the box whenever I want music and startx, and restart it every fifteen minutes or so. I'd like to do better. I have been able to verify the following: Adjustments in alsamixer have no effect on this problem. The relevant output channel is never muted In alsamixer, I can see no difference between when the sound is working and when it isn't Nothing is muted in pactl list There is no difference in the output from pactl list between before starting X and after it's started. (Except the identifier of the pactl instance connected to pulse, which is different each time you run pactl) The user running the music daemon is a member of the groups audio, pulse and pulse-access The music daemon program does not report any error messages and acts as if it is playing the music like it should Some form of dbus daemon is running. ps aux|grep dbus reports dbus-daemon --system --fork --activation=upstart before and after I have started X Some details about my hardware: Motherboard: http://www.asus.com/Motherboards/AT5IONTI_DELUXE/ Sound chip: Nvidia GPU 0b HDMI/DP (from alsamixer) Using HDMI for output (Machine also has an Intel Realtek ALC887 that I am not using) Output of lsmod: Module Size Used by deflate 12617 0 zlib_deflate 27139 1 deflate ctr 13201 0 twofish_generic 16635 0 twofish_x86_64_3way 25287 0 twofish_x86_64 12907 1 twofish_x86_64_3way twofish_common 20919 3 twofish_generic,twofish_x86_64_3way,twofish_x86_64 camellia 29348 0 serpent 29125 0 blowfish_generic 12530 0 blowfish_x86_64 21466 0 blowfish_common 16739 2 blowfish_generic,blowfish_x86_64 cast5 25112 0 des_generic 21415 0 xcbc 12815 0 rmd160 16744 0 bnep 18281 2 rfcomm 47604 12 sha512_generic 12796 0 crypto_null 12918 0 parport_pc 32866 0 af_key 36389 0 ppdev 17113 0 binfmt_misc 17540 1 nfsd 281980 2 ext2 73795 1 nfs 436929 1 lockd 90326 2 nfsd,nfs fscache 61529 1 nfs auth_rpcgss 53380 2 nfsd,nfs nfs_acl 12883 2 nfsd,nfs sunrpc 255224 16 nfsd,nfs,lockd,auth_rpcgss,nfs_acl btusb 18332 2 vesafb 13844 2 pl2303 17957 1 ath3k 12961 0 bluetooth 180153 24 bnep,rfcomm,btusb,ath3k snd_hda_codec_hdmi 32474 4 nvidia 11308613 0 ftdi_sio 40679 1 usbserial 47113 6 pl2303,ftdi_sio psmouse 97485 0 snd_hda_codec_realtek 224173 1 snd_hda_intel 33719 5 snd_hda_codec 127706 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel serio_raw 13211 0 snd_seq_midi 13324 0 snd_hwdep 17764 1 snd_hda_codec snd_pcm 97275 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec snd_rawmidi 30748 1 snd_seq_midi snd_seq_midi_event 14899 1 snd_seq_midi snd_seq 61929 2 snd_seq_midi,snd_seq_midi_event snd_timer 29990 2 snd_pcm,snd_seq snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq snd 79041 20 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device asus_atk0110 18078 0 mac_hid 13253 0 jc42 13948 0 soundcore 15091 1 snd snd_page_alloc 18529 2 snd_hda_intel,snd_pcm coretemp 13554 0 i2c_i801 17570 0 lp 17799 0 parport 46562 3 parport_pc,ppdev,lp r8169 62154 0 Any ideas? What does X do that's so important?

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• "Page Size" and "Orientation" are disabled when printing from some applications

  - by Michael

  There are many different Print dialogs but one is very common and is used by Gimp, Shutter, Evloution and Simple Scan. In all these apps the "Page Size" and "Orientation" are disabled. The same dialog in Firefox, Thunderbird and GEdit works OK. I program in Gambas3 which uses this dialog in conjunction with the GTK+ library and it also has these options disabled. If I use the QT4 library then a different print dialog is displayed with no problems. Anybody else notice this problem and found a solution?

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• Time jumping forward on NTP failure

  - by Dan

  I have been having some weird problems with NTP for a while. If I use ntpdate to set the time then it sets fine. ntpd then invariably fails to find a server (I have loads configured) and decides to set the clock forward about 5 hours. It's a Xen server with dom0 set to a different timezone so I'm not sure if that is interfering with it. How can I make sure I ignore the dom0 time and have ntpd not change the time if it fails to reach a time server? EDIT: I now do not think it is ntpd giving me problems, I turned ntpd off and it jumped forward seemingly randomly.

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