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• Ubuntu with KDE and kernel 3.6.2 - performance issues

  - by Pelda

  I have recently swiched to Ubuntu and installed KDe on it. I like software included in Ubuntu but interface from Kubuntu. My problem is, that after installation of kernel 3.6.2 (deafult ubuntu 12.04 is 3.2 I think) - whole KDE interface is laggy and I have to render using Xrended because Opel AL doesnt work. So please tell me - I didint find it anywhere - Does KDE has some problems with new kernel? should i downgrade back to 3.x.x? Thank you for answers and your time. Pelda

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• Problems with Software Sources -- I tried to add a Repository and it failed. How do I fix it?

  - by Brenton Horne

  As in the title. I tried to add a Repository, how do I remove it. It won't let me via the software-sources program. I tried sudo ppa-purge ppa:quantal (the name of it) and it failed anyone got any ideas? (lin 1) deb http://archive.ubuntu.com/ubuntu/ quantal main restricted universe multiverse (lin 2) deb-src http://archive.ubuntu.com/ubuntu/ quantal main restricted universe multiverse #Added by software-properties (lin 3) deb http://security.ubuntu.com/ubuntu/ quantal-security main restricted universe multiverse (lin 4) deb-src http://security.ubuntu.com/ubuntu/ quantal-security main restricted universe multiverse #Added by software-properties (lin 5) deb http://archive.ubuntu.com/ubuntu/ quantal-updates main restricted universe multiverse (lin 6) deb-src http://archive.ubuntu.com/ubuntu/ quantal-updates main restricted universe multiverse #Added by software-properties (lin 7) deb http://launchpad.net/ubuntu/quantal/amd64/ quantal (lin 8) deb-src http://launchpad.net/ubuntu/quantal/amd64/ quantal -- sources.list file contents

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• How to install postgresql-8.4?

  - by ted

  sudo add-apt-repository ppa:pitti/postgresql # ... OK sudo apt-get install postgresql-8.4 Reading package lists... Done Building dependency tree Reading state information... Done Package postgresql-8.4 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'postgresql-8.4' has no installation candidate Should I download it from http://packages.debian.org/squeeze/postgresql-8.4 and manually install all the dependencies?

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• Change permission for ALL folders and files

  - by Xweque

  I've been around Ubuntu for not too long now and I'm getting tired of a thing I used to accept. When I installed Apache and PHP on Ubuntu it was done with root meaning it got permission. So I changed that to me. Now I've just copied a big number of files, (PHP), to be viewed and edited in these directories. Now my problem: I can not view the files from var/www/ because it requires, for some reason, everyone to have access to the files. Not only me, or my group but everyone. No one else is using the computer but me, so I'm cool with it. Though I need a command to change ALL files permission recursively. When I've browsed the questions already been answered I find for example chown -R viktor:viktor /var/www/, or using sudo as well. This worked on the single var/www and the folders inside but not the files inside the folders and very odd I notice I can't do the same thing on example /var/www/dev/.

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• How to diagnose and fix Kernel Panic Fatal Machine Check error?

  - by 0x4a6f4672

  I have got a new Samsung Series 7 laptop with dual boot setup for Windows 8 and Ubuntu 12.10. A fine machine comparable to a Macbook Pro. The Ubuntu installation was quite a hassle, but with the help of Boot Repair finally it seemed to work. Or so I thought. Windows 8 starts fine, but if I want to start Ubuntu regularly the following Machine Check Exception error occurs, quite similar to this one [Hardware Error] CPU 1: Machine Check Exception: 5 Bank 6 [Hardware Error] RIP !inexact! 33 <00007fab2074598a> [Hardware Error] TSC 95b623464c ADDR fe400 MISC 3880000086 .. [similar messages for CPU 2,3 and 0] .. [Hardware Error] Machine Check: Processor context corrupt Kernel panic - not syncing: Fatal Machine Check Rebooting in 30 seconds Kernel panic does not sound good. Then it starts to reboot, and the second boot trial often works. Is it a Kernel or driver problem? The laptop has an Intel Core i7 processor. I already deactivated Hyperthreading in the BIOS, but it does not seem to help :-( I also disabled the Execute Disable Bit (EDB) flag in the BIOS. EDB is an Intel hardware-based security feature that can help reduce system exposure to viruses and malicious code. Since I disabled it, the error did occur less frequently, but it still appears occasionally :-( It seems to be the same error as described here and here. Maybe a Samsung specific Kernel problem? A similar error also happens on a Samsung Ultrabook Series 9 (which seems to be kernel bugs 49161 and 47121). At my Samsung Series 7, it still occurs for instance during booting on battery after "Checking battery state". Perhaps anyone else has an idea? These Kernel Panic errors are reallly annoying..

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• Cannot boot from USB disk with "not a COM32R image" error

  - by Siva Prasad Varma

  After installing 11.10 on my Dell Studo 15 (Model 1557) laptop, it started to overheat. Recently it even shutdown twice saying that critical temperature has reached even when I was just idling (not even a single program was open except for Firefox). After learning that it is a problem with 3.0.0 kernel I decided to roll back to 10.04 LTS. I have downloaded the most recent 10.04 iso from ubuntu.com and created a live USB using startup disk creator in 11.10. But when I am trying to boot from USB I am getting the following error vesamenu.c32: not a COM32R image I have installed ubuntu from usb stick a couple of dozen times before this and I think it is not a problem with my hardware. Please tell me what to do.

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• How can I install other applications after a failed installation using apt-get?

  - by Jonas

  I have a VPS with Ubuntu Server 10.10 x64. I tried to install Java using apt-get install openjdk-6-jre but that fails, see ca-certificates-java fails to install. Now I would like to install PHP with sudo apt-get install nginx php5-fpm php-apc php5-pgsql php5-suhosin but that also fails, with the same error message as I had with Java. Why is that? How can I install other applications now after the installation of Java has failed?

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• Audio not working

  - by user3215

  Anybody could help me in troubleshooting audio problem on ubutnu 9.04 desktop edition?. For some reason I've to keep this os not upgraded and I'm trying to fix the audio problem on this for months. It works well on upgraded version(9.10,10.04) but not on jaunty. aplay -l: **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC883 Analog [ALC883 Analog] Subdevices: 0/1 Subdevice #0: subdevice #0 card 0: Intel [HDA Intel], device 1: ALC883 Digital [ALC883 Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 lsmod | grep snd: snd_hda_intel 436148 7 snd_pcm_oss 46336 0 snd_mixer_oss 22656 1 snd_pcm_oss snd_pcm 83076 4 snd_hda_intel,snd_pcm_oss snd_seq_dummy 10756 0 snd_seq_oss 37760 0 snd_seq_midi 14336 0 snd_rawmidi 29696 1 snd_seq_midi snd_seq_midi_event 15104 2 snd_seq_oss,snd_seq_midi snd_seq 56880 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event snd_timer 29704 2 snd_pcm,snd_seq snd_seq_device 14988 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq snd 62756 21 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 15200 1 snd snd_page_alloc 16904 2 snd_hda_intel,snd_pcm cat /proc/asound/cards: 0 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0xe1280000 irq 16 cat /proc/asound/version: Advanced Linux Sound Architecture Driver Version 1.0.18rc3. vim /etc/modules: # /etc/modules: kernel modules to load at boot time. # # This file contains the names of kernel modules that should be loaded # at boot time, one per line. Lines beginning with "#" are ignored. lp Audio Settings:

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• HTTPS Everywhere Extension Updates to Version 3.0, Adds Protection for 1,500 More Websites

  - by Asian Angel

  If one of your security goals is to encrypt your communication with websites as much as possible, then you will definitely be pleased with the latest update to the HTTPS Everywhere extension for Firefox and Chrome. This latest release adds encryption protection for an additional 1,500 websites to help make your browsing experience more secure than ever. Images shown above courtesy of EFF. You can learn more about this latest release along with installing the extension for Firefox and/or Chrome directly from the blog post linked below… HTTPS Everywhere 3.0 protects 1,500 more sites [via Softpedia] HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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• Good alternative to NetLimiter(windows) for ubuntu

  - by Harsh

  there is program NetLimiter for windows. while I was using windows it was very useful to me to find out the IP address of ther person who was downloading from me, or to know IP address of any person on lan who was using DC++ with some nick. and after that I can easily know the computer name of that person using nbtstat. I was wondering if there is any tool for ubuntu using which I an find out the IP address of person who is downloading from me or from whom I am downloading on lan. I am on university lan and we are using PtokaX and DC++ for file sharing on lan. people sometimes put some offencive stuff on open chat on DC++ using some Nick and I don't know how to trace them while I am using Ubuntu. Plz help.

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• User Independant Share Folder

  - by ell

  At the moment, I have a folder in my home directory that is shared on my laptop and can also be accessed by the other windows desktop pcs in my network but now I have decided to make my home folder inaccessible by other users on my laptop so other people cannot look at my files if they have a user on my laptop. I set the permissions to none for everyone apart from me. I then changed the share folder (/home/elliot/Shared) to allow all access but my windows computers and other users on my laptop cannot access it even though they have the right permission, I think this is because they don't have access to the home folder in which the Shared folder is stored. Where should I store a new Shared folder on my laptop? Should I put it as /home/Shared? Or, alternatively is there a way I can allow other users to access my /home/elliot/Shared folder even if /home/elliot is inaccessible? Thanks in advance, ell.

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• Gnome Shell got removed after updating Ubuntu 12.04

  - by CMG

  Now when i try to install it...it shows the following error sudo apt-get install gnome-shell 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: gnome-shell : Depends: libgcr-3-1 (>= 3.4.0) but 3.2.2-2ubuntu4 is to be installed Depends: gir1.2-gcr-3 but it is not installable Recommends: gnome-contacts but it is not going to be installed E: Unable to correct problems, you have held broken packages. How can I install GNOME-Shell?

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• Best partition Scheme for Ubuntu Server

  - by K.K Patel

  I am going to deploy Ubuntu server having Following servers on it Bind server, dhcp server, LAMP Server, Openssh Server, Ldap server, Monodb database, FTP server,mail server, Samba server, NFS server , in future I want to set Openstack for PAAS. Currently I have Raid 5 with 10TB. How should I make my Partition Scheme So never get problem in future and easily expand Storage size. Suggest me such a partition Scheme with giving specific percentage of Storage to partitions like /, /boot, /var, /etc. Thanks In advance

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• Why Wifi no longer works 12.04.1

  - by Roger

  starting this morning over wifi (Realtek RTL8188CE) on CLEVO W253HU. May be due to the update before yesterday, more pilot managed, but somehow it worked yesterday. If someone has an idea of the problem. Back command lines: cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.1 LTS" lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 006: ID 192f:0416 Avago Technologies, Pte. Bus 002 Device 004: ID 5986:0315 Acer, Inc lspci 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5) 00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b5) 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5) 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) 00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05) 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05) 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05) 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01) 03:00.0 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 05) 03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 90) 03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 90) 03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 90) lspci -nn | grep -i net 02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01) 03:00.0 Ethernet controller [0200]: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller [197b:0250] (rev 05) lspci -k 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: agpgart-intel 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: i915 Kernel modules: i915 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: mei Kernel modules: mei 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: ehci_hcd 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5) Kernel driver in use: pcieport Kernel modules: shpchp 00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b5) Kernel driver in use: pcieport Kernel modules: shpchp 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5) Kernel driver in use: pcieport Kernel modules: shpchp 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: ehci_hcd 00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel modules: iTCO_wdt 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: ahci 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel modules: i2c-i801 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01) Subsystem: Realtek Semiconductor Co., Ltd. Device 9196 Kernel modules: rtl8192ce 03:00.0 Ethernet controller: JMicron Technology Corp. JMC250 PCI Express Gigabit Ethernet Controller (rev 05) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: jme Kernel modules: jme 03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 90) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: sdhci-pci Kernel modules: sdhci-pci 03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 90) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel modules: sdhci-pci 03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 90) Subsystem: CLEVO/KAPOK Computer Device 4140 Kernel driver in use: jmb38x_ms Kernel modules: jmb38x_ms sudo lshw -C network *-network NON-RÉCLAMÉ description: Network controller produit: RTL8188CE 802.11b/g/n WiFi Adapter fabriquant: Realtek Semiconductor Co., Ltd. identifiant matériel: 0 information bus: pci@0000:02:00.0 version: 01 bits: 64 bits horloge: 33MHz fonctionnalités: pm msi pciexpress cap_list configuration: latency=0 ressources: portE/S:e000(taille=256) mémoire:f7d00000-f7d03fff *-network description: Ethernet interface produit: JMC250 PCI Express Gigabit Ethernet Controller fabriquant: JMicron Technology Corp. identifiant matériel: 0 information bus: pci@0000:03:00.0 nom logique: eth0 version: 05 numéro de série: 00:90:f5:c1:c6:45 taille: 100Mbit/s capacité: 1Gbit/s bits: 32 bits horloge: 33MHz fonctionnalités: pm pciexpress msix msi bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=jme driverversion=1.0.8 duplex=full ip=192.168.1.54 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s ressources: irq:44 mémoire:f7c20000-f7c23fff portE/S:d100(taille=128) portE/S:d000(taille=256) mémoire:f7c10000-f7c1ffff mémoire:f7c00000-f7c0ffff lsmod Module Size Used by btusb 18288 0 rfcomm 47604 0 bnep 18281 2 bluetooth 180104 11 btusb,rfcomm,bnep parport_pc 32866 0 ppdev 17113 0 binfmt_misc 17540 1 snd_hda_codec_realtek 224173 0 dm_crypt 23125 0 snd_hda_codec_hdmi 32474 0 uvcvideo 72627 0 videodev 98259 1 uvcvideo v4l2_compat_ioctl32 17128 1 videodev snd_hda_intel 33773 2 snd_hda_codec 127706 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel snd_hwdep 13668 1 snd_hda_codec snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec snd_seq_midi 13324 0 snd_rawmidi 30748 1 snd_seq_midi jmb38x_ms 17646 0 psmouse 87692 0 serio_raw 13211 0 memstick 16569 1 jmb38x_ms snd_seq_midi_event 14899 1 snd_seq_midi rtl8192ce 84826 0 rtl8192c_common 75767 1 rtl8192ce rtlwifi 111202 1 rtl8192ce snd_seq 61896 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 mac80211 506816 3 rtl8192ce,rtl8192c_common,rtlwifi mac_hid 13253 0 snd 78855 14 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device cfg80211 205544 2 rtlwifi,mac80211 soundcore 15091 1 snd snd_page_alloc 18529 2 snd_hda_intel,snd_pcm mei 41616 0 lp 17799 0 parport 46562 3 parport_pc,ppdev,lp usbhid 47199 0 hid 99559 1 usbhid i915 473035 3 drm_kms_helper 46978 1 i915 drm 242038 4 i915,drm_kms_helper jme 41259 0 i2c_algo_bit 13423 1 i915 sdhci_pci 18826 0 sdhci 33205 1 sdhci_pci wmi 19256 0 video 19596 1 i915 iwconfig lo no wireless extensions. eth0 no wireless extensions. ifconfig eth0 Link encap:Ethernet HWaddr 00:90:f5:c1:c6:45 inet adr:192.168.1.54 Bcast:192.168.1.255 Masque:255.255.255.0 adr inet6: fe80::290:f5ff:fec1:c645/64 Scope:Lien UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Packets reçus:4513 erreurs:0 :0 overruns:0 frame:0 TX packets:4359 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:1000 Octets reçus:3471675 (3.4 MB) Octets transmis:712722 (712.7 KB) Interruption:44 lo Link encap:Boucle locale inet adr:127.0.0.1 Masque:255.0.0.0 adr inet6: ::1/128 Scope:Hôte UP LOOPBACK RUNNING MTU:16436 Metric:1 Packets reçus:686 erreurs:0 :0 overruns:0 frame:0 TX packets:686 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 lg file transmission:0 Octets reçus:64556 (64.5 KB) Octets transmis:64556 (64.5 KB) sudo iwlist scan lo Interface doesn't support scanning. eth0 Interface doesn't support scanning. uname -r -m 3.2.0-30-generic x86_64 cat /etc/network/interfaces auto lo iface lo inet loopback nm-tool NetworkManager Tool State: connected (global) - Device: eth0 [Connexion filaire 1] ------------------------------------------ Type: Wired Driver: jme State: connected Default: yes HW Address: 00:90:F5:C1:C6:45 Capabilities: Carrier Detect: yes Speed: 100 Mb/s Wired Properties Carrier: on IPv4 Settings: Address: 192.168.1.54 Prefix: 24 (255.255.255.0) Gateway: 192.168.1.1 DNS: 192.168.1.1 sudo rfkill listrfkill list 1: hci0: Bluetooth Soft blocked: no Hard blocked: no The absence of line "Kernel driver in use:" the return of lspci-k made ??me think that it is not loaded yet but he seems to be. lsmod | grep rtl8192ce rtl8192ce 137478 0 rtlwifi 118749 1 rtl8192ce mac80211 506816 2 rtl8192ce,rtlwifi I found something disturbing in / var / log / syslog Sep 14 11:40:11 pcroger kernel: [ 64.048783] rtl8192ce-0:rtl92c_init_sw_vars():<0-0> Failed to request firmware! Sep 14 11:40:11 pcroger kernel: [ 64.048795] rtlwifi-0:rtl_pci_probe():<0-0> Can't init_sw_vars. Sep 14 11:40:11 pcroger kernel: [ 64.048835] rtl8192ce 0000:02:00.0: PCI INT A disabled Sep 14 11:40:11 pcroger kernel: [ 64.943345] ata1.00: exception Emask 0x0 SAct 0x7fffffff SErr 0x0 action 0x6 frozen Sep 14 11:40:11 pcroger kernel: [ 64.943358] ata1.00: failed command: READ FPDMA QUEUED Sep 14 11:40:11 pcroger kernel: [ 64.943371] ata1.00: cmd 60/00:00:00:68:6a/04:00:0b:00:00/40 tag 0 ncq 524288 in Sep 14 11:40:11 pcroger kernel: [ 64.943374] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) Sep 14 11:40:11 pcroger kernel: [ 64.943381] ata1.00: status: { DRDY } Ubuntu and takes forever to start (2 min).

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• Insufficient permissions within Eclipse when installed via synaptic in Ubuntu 12.04

  - by Clayton

  I installed Eclipse via the Synaptic Package Manager on Ubuntu 12.04 Desktop (more details on footer). However, from within Eclipse, I lack sufficient permissions to perform upgrades on my package and add-ons. I'm a recovering Windows user, and while I have a couple of years Ubuntu experience, I am unfamiliar with the command-line and mainly interact through the packaged GUI. Specifically, I am trying to install the upgrade for Eclipse CVS Clientorg.eclipse.cvs.feature.group1.3.100.v20110520-0800-7B78FHl9VF7BD7KBM4GP9C I am tracking the varying installation advice on a similar question eclipse install: Gaurav Butola Basically, the most current upgrades are available directly from eclipse?... But at some point I remember reading that the latest version of eclipse had been designed for the previous LTS of Ubuntu - I don't know if that is still true. I have read about the vulnerabilities of Java 6, and so I have gone with Open Java 7 openjdk-amd64 (if that has any relevance to which Eclipse package and installation method I choose). But I'm not crazy about the idea of creating a gksudo link in the sidebar launcher. I don't know enough about chown to use it - if that's even appropriate (I don't want stray java escaping from Eclipse and connecting to SkyNet). Another possible solution that I foresee is modifying my user's group memberships/privileges on the file system as a whole. The only other information that I think might be relevant is that I notice that Synaptic installed all of the files into /usr/ instead of /opt/ like I have seen recommended. So should I be changing ownership, reinstalling using a non-Synaptic method, or what? Any advice is greatly appreciated. Ubuntu information Ubuntu 12.04 LTS Memory 2.9 GiB Processor AMD Sempron(tm) Processor LE-1300 Graphics VESA: XXXXXXX OS type 64-bit Eclipse Version: 3.7.2 Build id: I20110613-1736 Ubuntu Developers :/usr/share$ ls -h -l drwxr-xr-x 5 root root 4.0K Sep 13 08:43 eclipse Install paths: /. /usr /usr/share ...

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• Electronic Door Lock Uses QR Codes As Keys

  - by Jason Fitzpatrick

  We’ve seen magnetic cards and RFID cards used as keys before, but QR codes? Check out the video to see how a group of Cornell University students developed a visual key card. Rather than use magnetic stripes or RFID proximity antennas, their build relies on decoding a passkey stored in a QR code–check out the above video to see it in action and hit up the link below for more information. QR Code Door Lock [via Hack A Day] How To Create a Customized Windows 7 Installation Disc With Integrated Updates How to Get Pro Features in Windows Home Versions with Third Party Tools HTG Explains: Is ReadyBoost Worth Using?

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• Cannot install extensions required for GNOME Shell themes

  - by Soham Chowdhury

  I keep getting this output: soham@fortress:~$ sudo apt-get install gnome-shell-extensions gnome-tweak-tool Reading package lists... Done Building dependency tree Reading state information... Done gnome-tweak-tool is already the newest version. The following NEW packages will be installed: gnome-shell-extensions 0 upgraded, 1 newly installed, 0 to remove and 43 not upgraded. 1 not fully installed or removed. Need to get 0 B/121 kB of archives. After this operation, 849 kB of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 179291 files and directories currently installed.) Unpacking gnome-shell-extensions (from .../gnome-shell-extensions_3.4.1~git20120508.dfd7191a-0ubuntu1~12.04~ricotz0_all.deb) ... dpkg: error processing /var/cache/apt/archives/gnome-shell-extensions_3.4.1~git20120508.dfd7191a-0ubuntu1~12.04~ricotz0_all.deb (--unpack): trying to overwrite '/usr/share/locale/lv/LC_MESSAGES/gnome-shell-extensions.mo', which is also in package gnome-shell-extensions-common 3.2.0-0ubuntu1~oneiric1 No apport report written because MaxReports is reached already dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Errors were encountered while processing: /var/cache/apt/archives/gnome-shell-extensions_3.4.1~git20120508.dfd7191a-0ubuntu1~12.04~ricotz0_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) Update: Fixed that. Now GNOME Tweak Tool shows me an exclamation mark beside the extension enable button, saying "Extension doesn't support shell version". My GNOME shell is already the latest version. Help!

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• Will an Atheros AR928X work with WPA2?

  - by Tommy

  Basically I need only the answer to above question. Please think of that I am new to linux. For further explanation here is the full story: I have the following problem. My friends notebook (Vista) has got a trojan and refuses to work anymore. The Avira Rescue CD did not help either. So I tried an old (9.1) Ubuntu CD and backed up all the essential files. Since we have no Windows Install Disk we want to put Ubuntu on that notebook. But with the 9.1 version there is no WLAN. Systemtest tells me, that it finds an Atheros AR928X, but ifconfig does not show that and the network manager tells me there are no LAN/WLAN devices. So: does that work easier with the new Ubuntu version or is that network adapter a known troublemaker? And: if I get the adapter to work, will it work with the WPA2-network around here?

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• Backtick (Grave accent) button sticking

  - by Scott Lemmon

  I have Ubuntu 12.04 running in a Virtual Box virtual machine, on my Windows 7 32bit system. It has been working great, except that the backtick/tilde button sticks(not physically). When I hit the backtick button it keeps repeating until another input button is pressed. So if I press the spacebar while the backtick is repeating, it stops, but if I press the shift while it is repeating, the backtick turns into a tilde, and the tilde keeps repeating until I release the shift key (at which point it's a backtick again and keeps repeating). This sticking behavior only happens with the backtick key, and only in my Ubuntu virtualization, never in windows. I've tried both my laptop's keyboard and an external USB keyboard and the problem happens on both. Both keyboards I've tried are Japanese 106/109 key layout, but I'm using them with a English(US) 101 profile. When I refer to the backtick key above, I mean where it is on the US layout. If I use the Japanese profile, the key in that location (the US backtick location) still sticks, but its no longer mapped as the backtick key. Any thoughts as to what might be causing this and possible solutions? I've searched a lot, but have not found any help so far. Any help is greatly appreciated.

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• Getting error-'General Error Mounting Filesystems' while installing ubuntu 12.04 alongside Windows 7 starter edition

  - by Yashendra Shukla

  I am trying to install Ubuntu 12.04 on my HP Mini 110 with 2 gb of ram and Windows 7 starter edition. However, when I try to boot from USB, the Ubuntu screen loads and then shows the message-'General Error Mounting Filesystem'. I have to press Ctrl+D to reboot, and the same process starts again until I remove my pen drive. I have tried making a Live USB from UNetBootin and the software Ubuntu suggests, downloaded from pendrivelinux.com. However, Ubuntu still won't load. I am new to the Ubuntu world and don't know what to do, please help.

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• ibus-avro is not working in ubuntu 12.10

  - by Apurba

  I was using ibus-avro with ibus input method to write Bengali in Ubuntu 12.04. Recently I have upgraded Ubuntu from 12.04 to 12.10, now ibus-avro was removed. I have tried to install it again but was getting error message as follows 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: ibus-avro : Depends: gir1.2-gjsdbus-1.0 but it is not installable Please help Regards Apurba

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• alsHigh CPU load - Ubuntu 14.04

  - by watt

  I noticed that sometimes when browsing (with other processes in the background), I get very high CPU load for the browser process (over 100%) and the computer becomes really slow. I tried switching from Firefox (with just a few extensions) to Chromium, but same thing happens without me visiting graphics-intense sites, flash sites or anything like that. I also noticed python or node (when running "make") produce the same high CPU load from time to time so this is not necessarily browser-related. When I only have a browser open, it doesn't seem to happen and everything is fine in Windows 7. I switched from unity to gnome3 with no effect. Specs: lenovo w510 (4gb RAM, i7 q820 @ 1.73) + up to date Ubuntu 14.04 64bit. Printscreen: http://imgur.com/8MZJNKC Do you guys have any idea why this might happen? Please let me know if there's other info you need. Thanks!

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• How to change/create password keyring

  - by sadmicrowave

  when I try to remote desktop to the server from another ubuntu machine using the remote desktop viewer, it asks me to enter the password, which I do, then the viewer pane just goes black. When I come back and look at my server it is saying that the password keyring no longer matches the password used to login to the machine please reenter the password...and when I type in the password it doesnt take it, it just keeps popping back up saying the same message over and over. I found a thread explaining to go to System--Preferences--Passwords & Encryptions and right click on the keyring and click Set as Default. I did that and the problem persists...I tried changing the password but it told me that my original password was incorrect (even though it is the password I use to login and provide root authentication when asked) so I deleted the keyring in hopes of adding a new one but there is no place in gui to add a new one...so can I add a new one through command line? if so - how?

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• How does Ubuntu One sync two machines with identical file content?

  - by user27449

  I have a notebook and a desktop computer, both running Ubuntu 11.10. I used to sync between the two with the help of Unison, so both computers have identical content in the Documents folder. I decided to try UbuntuOne. My question is, if I activate UbuntuOne for the two machines for the folders with identical contents, will UbuntuOne be able to recognise that, or will it sync to the cloud everything twice (and then down on the other machine). To put it another way, will I end up having two copies of everything on the machines and on the cloud, and therefore should delete the identical files on one of the machines before activating UbuntuOne, or not. Thank you, and if there is already something on the net about this, I'd be glad if somebody posted the link here.

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• Lenovo ThinkPad T400 and docking station

  - by hari

  Developer in me woke up this morning and asked me to fix this before Christmas. (As his Christmas gift). So, if I power on the laptop after docking it, everything works fine. But if I am working on it standalone and then try to dock it, I cannot get the display. Same way, if I undock it while working, I loose the display. Basically, I need to reboot for any docking/undocking dance to work. Questions: 1) What kind of information should I be looking for to understand the problem? 2) Where to find that information. After this, I can go and try to figure out what is going wrong.

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