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• Can't configure Bluetooth drivers for mac mini 4,1

  - by t0dbld

  upon following the instructions on thread for mac mini leading to me to a thread for a fix for BlueTooth, i follow the instructions (even they are for other Mac's) i get it to fire up and combined with hcitool i managed to connect my apple track pad and keyboard... how ever upon reboot im back to bluetooth telling me there are no drivers nothing works, yet all the files are still there? This is driving me nuts and i caant figure out what i could be doing do you have any ideas what would make this happen ? lsusb results Bus 004 Device 007: ID 05ac:8218 Apple, Inc. Bus 004 Device 006: ID 05ac:820b Apple, Inc. Bus 004 Device 005: ID 05ac:820a Apple, Inc. Bus 004 Device 004: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth) Bus 004 Device 003: ID 05ac:8242 Apple, Inc. IR Receiver [built-in] Bus 004 Device 002: ID 03f0:1c24 Hewlett-Packard Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 054c:031f Sony Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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• Proper way to let user enter password for a bash script using only the GUI (with the terminal hidden)

  - by MountainX

  I have made a bash script that uses kdialog exclusively for interacting with the user. It is launched from a ".desktop" file so the user never sees the terminal. It looks 100% like a GUI app (even though it is just a bash script). It runs in KDE only (Kubuntu 12.04). My only problem is handling password input securely and conveniently. I can't find a satisfactory solution. The script was designed to be run as a normal user and to prompt for the password when a sudo command is first needed. In this way, most commands, those not requiring sudo rights, are run as the normal user. What happens (when the script is run from the terminal) is that the user is prompted for their password once and the default sudo timeout allows the script to finish, including any additional sudo commands, without prompting the user again. This is how I want it to work when run behind the GUI too. The main problem is that using kdesudo to launch my script, which is the standard GUI way, means that the entire script is executed by the root user. So file ownerships get assigned to the root user, I can't rely upon ~/ in paths, and many other things are less than ideal. Running the entire script as the root user is just a very unsatisfactory solution and I think it is a bad practice. I appreciate any ideas for letting a user enter the sudo password just once via GUI while not running the whole script as root. Thanks.

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• Permission denied on /dev/xvdf despite sudo?

  - by Sid

  I'm trying to get a stream off port 9999 and write to /dev/xvdf. I'm using Amazon EC2 with the Ubuntu 11.10 server image. By default I log in as 'ubuntu' which has sudo privileges. However, when I run the following netcat command, I get this error ubuntu@ip-10-252-35-122:~$ ls -al /dev/xv* brw-rw---- 1 root disk 202, 1 2011-11-30 22:22 /dev/xvda1 brw-rw---- 1 root disk 202, 80 2011-11-30 22:27 /dev/xvdf ubuntu@ip-10-252-35-122:~$ sudo netcat -p 9999 -l > /dev/xvdf bash: /dev/xvdf: Permission denied ubuntu@ip-10-252-35-122:~$ Any idea why I get the permission denied error and how I can work around it? Update: Something mysterious is running in the background that resets the permissions? Check the snippet below and the permission flags seem to automatically reset when I try using /dev/xvdf !?! ubuntu@ip-10-252-35-122:~$ sudo chmod 777 /dev/xvdf ubuntu@ip-10-252-35-122:~$ ls -al /dev/xvdf brwxrwxrwx 1 root disk 202, 80 2011-11-30 22:43 /dev/xvdf ubuntu@ip-10-252-35-122:~$ sudo nc -p 9999 -l > /dev/xvdf This is nc from the netcat-openbsd package. An alternative nc is available in the netcat-traditional package. usage: nc [-46DdhklnrStUuvzC] [-i interval] [-P proxy_username] [-p source_port] [-s source_ip_address] [-T ToS] [-w timeout] [-X proxy_protocol] [-x proxy_address[:port]] [hostname] [port[s]] ubuntu@ip-10-252-35-122:~$ ls -al /dev/xvdf brw-rw---- 1 root disk 202, 80 2011-11-30 22:43 /dev/xvdf ubuntu@ip-10-252-35-122:~$ I'm using stock Ubuntu Amazon EC2 images from http://alestic.com/ (links to images at the top)

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• How do I get network working on a Dell n5010 - Ubuntu 10.04

  - by cyberroger

  Hey. I just formatted a Dell n5010 and installed Ubuntu 10.04. Now,when i try to access the Internet it doesn't find the available networks. Informations about it: My network is set to broadcast SSID; Already typed lspci, and it doesnt returns my wireless card; Tried installing windows drivers from fabricant cd usind diswrapper, but it says it cant complete the installation because it cant find some "Device" folder; I don't know what else to do, I switch the wireless button on/off and it just can't see any wireless connection, includin mine. Here are the informations about lspci: *-network UNCLAIMED description: Network controller product: Broadcom Corporation vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:12:00.0 version: 01 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: latency=0 resources: memory:fbc00000-fbc03fff And this: 00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 18) 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 18) 00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06) 00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06) 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06) 00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06) 00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 06) 00:1c.2 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 3 (rev 06) 00:1c.4 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 5 (rev 06) 00:1d.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6) 00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 06) 00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 06) 00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 06) 00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 06) 12:00.0 Network controller: Broadcom Corporation Device 4727 (rev 01) 13:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02) Thanks!

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• /tmp shows 690 Mb full, actual size 72 K, Why?

  - by Ankit

  Why is /tmp diretory on my system showing 690 Mb full, whereas du -sh /tmp shows only 72K full. drwxrwxrwt 2 lightdm lightdm 4096 Aug 29 21:49 at-spi2 drwx------ 2 ankit ankit 4096 Aug 29 21:50 keyring-0JTfoY drwx------ 2 ankit ankit 4096 Aug 29 21:44 keyring-rChLLL drwx------ 2 root root 16384 Jul 22 02:10 lost+found drwx------ 2 ankit ankit 4096 Jan 1 1970 orbit-ankit drwx------ 2 lightdm lightdm 4096 Aug 29 21:50 pulse-2L9K88eMlGn7 drwx------ 2 root root 4096 Aug 29 21:44 pulse-PKdhtXMmr18n drwx------ 2 ankit ankit 4096 Aug 29 21:50 pulse-zR1TZUAZfmQW drwx------ 2 ankit ankit 4096 Aug 29 21:44 ssh-dlslOXOq2203 drwx------ 2 ankit ankit 4096 Aug 29 21:50 ssh-MrQQVRyy3316 -rw------- 1 ankit ankit 0 Aug 29 21:45 tmp0qnNG4 -rw------- 1 ankit ankit 0 Aug 29 21:50 tmpVvSMt6 -rw------- 1 ankit ankit 0 Aug 29 21:49 tmpy9Gadz -rw-rw-r-- 1 lightdm lightdm 0 Aug 29 21:44 unity_support_test.0 ankit@duster:/tmp$ df -h df: `/home/ankit/.gvfs': Transport endpoint is not connected Filesystem Size Used Avail Use% Mounted on /dev/sda1 79G 11G 65G 14% / udev 2.9G 4.0K 2.9G 1% /dev tmpfs 1.2G 868K 1.2G 1% /run none 5.0M 0 5.0M 0% /run/lock none 2.9G 220K 2.9G 1% /run/shm /dev/sda7 38G 690M 35G 2% /tmp /dev/sda5 93G 26G 63G 30% /home /dev/sda6 93G 1.6G 87G 2% /boot /dev/sda3 154G 69G 78G 48% /home/mount_150 ankit@duster:/tmp$ ankit@duster:/tmp$ ankit@duster:/tmp$ sudo du -sh /tmp/ 72K

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• My Android phone isn't being detected by Ubuntu

  - by Lara

  This is what I've got from terminal, looks like it can see the phone as a USB device just fine but isn't showing up under fdisk so I can't mount it. It automounts just fine in my VMWare Windows. And Internet tethering works fine while under Linux (haven't tried under Windows). Here's 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 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 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 019: ID 04d9:1135 Holtek Semiconductor, Inc. Bus 001 Device 003: ID 05ca:18c0 Ricoh Co., Ltd Bus 001 Device 004: ID 0489:e00f Foxconn / Hon Hai Foxconn T77H114 BCM2070 [Single-Chip Bluetooth 2.1 + EDR Adapter] Bus 003 Device 010: ID 04e8:6860 Samsung Electronics Co., Ltd Bus 002 Device 012: ID 046d:c315 Logitech, Inc. Classic New Touch Keyboard And here's sudo fdisk -l: Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0001ff06 Device Boot Start End Blocks Id System /dev/sda1 2048 681845797 340921875 7 HPFS/NTFS/exFAT /dev/sda2 * 681846784 845686783 81920000 83 Linux /dev/sda3 845686784 968566783 61440000 7 HPFS/NTFS/exFAT /dev/sda4 968568830 972475081 1953126 5 Extended /dev/sda5 968568832 972475081 1953125 82 Linux swap / Solaris Disk /dev/mapper/cryptswap1: 2000 MB, 2000000000 bytes 255 heads, 63 sectors/track, 243 cylinders, total 3906250 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xbe4c2ec7 Disk /dev/mapper/cryptswap1 doesn't contain a valid partition table

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• No WIFI or LAN on Ubuntu 12.04 or 12.10 Live CD/USB using Toshiba qosmio x870

  - by Mighty

  I recently had issues with secure boot and couldn't boot the Live CD/USB but after disabling secure boot, I was able to 'TRY UBUNTU'. My currently problem is that I can't access WIFI or LAN from either Ubuntu 12.04 or 12.10 Live CD/USB which I do from Windows 8. Also, the wireless button is able to turn on and off the wireless LED but doesn't find available WIFI. Please, what should I do to get both WIFI and LAN working on Ubuntu using Toshiba qosmio x870? UPDATED: Here's the output of lspci: ubuntu@ubuntu:~$ lspci 00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) 00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04) 00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4) 00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4) 00:1c.4 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 5 (rev c4) 00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation HM76 Express Chipset LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 1213 (rev a1) 07:00.0 Ethernet controller: Atheros Communications Inc. AR8161 Gigabit Ethernet (rev 10) 08:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8723 09:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)

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• How to find keycodes for Fn + keys in Ubuntu 11.10

  - by budwiser

  I'm trying to find out the keycode for Fn+? keypress (left arrow). Xev outputs FocusOut event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 36, synthetic NO, window 0x0,    keys:  4294967213 0   0   0   0   0   0   0   0   0   0   0   0   0   0   0              0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   If it is telling me the keycode here, I'm not able to interpret it so help would be appreciated. I'm also curious for finding out if it's possible to bind something to Fn+Del but when trying out this combination, Xev outputs KeyPress event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1984903, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XmbLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False KeyRelease event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1985008, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False which is exactly the same as pressing del without Fn. So, summary for short How can I find keycode for Fn+? (left arrow)? Is it even possible to bind something to Fn+Del or am I facing windmills here?

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• Why don't %MEM values add up to mem in top?

  - by ben

  I'm currently debugging performance issues with my VPS and for that I'm trying to understand which of the processes eat the most memory. Reading top, here's what I get: Mem: 366544k total, 321396k used, 45148k free, 380k buffers Swap: 1048572k total, 592388k used, 456184k free, 7756k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 12339 ruby 20 0 844m 74m 2440 S 0 20.8 0:24.84 ruby 12363 ruby 20 0 844m 73m 1576 S 0 20.6 0:00.26 ruby 21117 ruby 20 0 171m 33m 1792 S 0 9.3 2:03.98 ruby 11846 ruby 20 0 858m 21m 1820 S 0 6.0 0:09.15 ruby 21277 ruby 20 0 219m 11m 1648 S 0 3.2 2:00.98 ruby 792 root 20 0 266m 10m 1024 S 0 3.0 1:40.06 ruby 532 mysql 20 0 234m 4760 1040 S 0 1.3 0:41.58 mysqld 793 root 20 0 250m 4616 984 S 0 1.3 1:20.55 ruby 586 root 20 0 156m 4532 848 S 0 1.2 6:17.10 god 12315 ruby 20 0 175m 2412 1900 S 0 0.7 0:07.55 ruby 3844 root 20 0 44036 2132 1028 S 0 0.6 1:08.22 ruby 10939 ruby 20 0 179m 1884 1724 S 0 0.5 0:08.33 ruby 4660 ruby 20 0 229m 1592 1440 S 0 0.4 2:55.46 ruby 3879 nobody 20 0 37428 964 520 S 0 0.3 0:01.99 nginx As you can see my memory is about 90% used (which is my issue) but when you add up the %MEM values, it goes to about 50-60% only. Same thing, RES doesn't add up to ~350mb. Why? Am I misunderstanding their meaning? Thanks

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• Why doesn't my grub background show?

  - by luri

  I've tried to change resolution, colors and background image for my grub menu, but I get no background (well, just a black one, no image).... What am I doing wrong? This is my grub.cfg (omitting the OS's part): # # DO NOT EDIT THIS FILE # # It is automatically generated by grub-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # ### BEGIN /etc/grub.d/00_header ### if [ -s $prefix/grubenv ]; then set have_grubenv=true load_env fi set default="${saved_entry}" if [ "${prev_saved_entry}" ]; then set saved_entry="${prev_saved_entry}" save_env saved_entry set prev_saved_entry= save_env prev_saved_entry set boot_once=true fi function savedefault { if [ -z "${boot_once}" ]; then saved_entry="${chosen}" save_env saved_entry fi } function recordfail { set recordfail=1 if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi } function load_video { insmod vbe insmod vga } insmod part_msdos insmod ext2 set root='(hd1,msdos5)' search --no-floppy --fs-uuid --set 42509bf9-f3e6-460a-8947-ec0f5c1fbcc8 if loadfont /usr/share/grub/unicode.pf2 ; then set gfxmode=1280x1024x24 load_video insmod gfxterm fi terminal_output gfxterm insmod part_msdos insmod ext2 set root='(hd1,msdos5)' search --no-floppy --fs-uuid --set 42509bf9-f3e6-460a-8947-ec0f5c1fbcc8 set locale_dir=($root)/boot/grub/locale set lang=es insmod gettext if [ "${recordfail}" = 1 ]; then set timeout=-1 else set timeout=10 fi ### END /etc/grub.d/00_header ### ### BEGIN /etc/grub.d/05_debian_theme ### insmod part_msdos insmod ext2 set root='(hd1,msdos5)' search --no-floppy --fs-uuid --set 42509bf9-f3e6-460a-8947-ec0f5c1fbcc8 insmod jpeg if background_image /boot/grub/Serenity_Enchanted_by_sirpecangum.jpg ; then set color_normal=black/white set color_highlight=brown/light-gray else set menu_color_normal=white/black set menu_color_highlight=black/light-gray fi ### END /etc/grub.d/05_debian_theme ### The selected image has been copied to /boot/grub/Serenity_Enchanted_by_sirpecangum.jpg with no luck. I'm for sure missing something (probably something obvious) but I don't really get it...

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• Local file system not properly unmounted during shutdown

  - by bernhard

  I have a file system with two HDDs and several partitions mounted separately locally. /root, /home, /usr, /var, /local/share , /home/bernhard/fotos/bilder, /backup are on separate partitions and are all ext3. During unmounting the message "unmounting local file system" does not appear any further and when booting all partitions but the root partition have to reload the journal, which indicates improper unmounting. The root partition and /usr are on sda, the others on sdb or further usb-mounted devices. the only partition unmounted w/o problem seems to be the root partition on sda4. I wonder whether the script to umount all devices has a "wait for success" loop or that the script itself got corrupted. However, yesterday I upgraded to 11.04 and the error persists. pmount does not look to be appropriate since the device are not hotplugged but simply mounted during system start. Obviously mounting /usr and afterwards /usr/local/share as well as /home and later /home/bernhard/fotos/bilder presents problems for umount; the devices may be busy und thus not properly unmounted. Does anybody have an idea for a script to organize unmounting in an ordered way? How to wait for unmounting of the secondary mount? Do you know as well where to place such a script that it will be used instead of the original umount command? Could be a general solution.

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• bluetooth daemon not running at startup

  - by ffaxer

  I'm trying to connect a bluetooth mouse to my Xubuntu system using Blueman (v. 1.21) Problem seems to be bluetoothd not running at startup, so blueman refuses to start, only a dialog appears: "Bluez daemon is not running, blueman-manager cannot continue." On my system, bluetoothd will run only as root (sudo), so my current workaround is simply to sudo bluetoothd manually, which works fine but id like to have it run at startup so that my mouse is just working without any interaction from me, if possible. If i try to start bluetoothd as non-root it reports: Bluetooth deamon 4.91 Unable to get on D-Bus In the startup scripts i found the same bluetoothd script in all runlevels and init.d: DAEMON=/usr/sbin/bluetoothd test -f /usr/sbin/bluetoothd || exit 0 # bluetoothd normally starts up by udev rules. it needs dbus to function, log_progress_msg "bluetoothd" pkill -TERM bluetoothd || true log_progress_msg "bluetoothd" I looked in /etc/udev/rules.d/ but no reference to bluetoothd. Further i have already tried with no luck: Editing /etc/dbus-1/system.d/bluetooth.conf to include my user (essentially copying the part that was for root): I tried it while both keeping the root policy and without, still, no luck! Editing /etc/pam.d/common-session and /etc/pam.d/gdm to include the line: session optional pam_ck_connector.so In the case of common-session it was already there but with a "nox11" which i tried removing. No luck no luck. Btw, I'm confused as to which session manager I'm using, since i have both xfce4-session and gdm-session-worker running. Anyways, hope someone is savvy enough to figure it out or bring some hints, otherwise i sincerely apologize for wasting your time! I'll sign off with uname -a: Linux [mycompname] 3.0.0-9-lowlatency #12ppa1~natty1-Ubuntu SMP PREEMPT Mon Aug 22 06:52:15 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux Peace B)

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• apt-get failed install of libg15, all package management is failing

  - by Stifle

  I was trying to get my Logitech G510 keyboard's back-lights working so I went into the Synaptic Package Manager and marked LibG15, G15daemon, and all the other associated packages. Synaptic reported a failed install. Now all Package management is failing due to libg15 being "halfway installed." Some commands I have tried to fix the problem follow. . . root@bt:~# apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done E: The package libg15 needs to be reinstalled, but I can't find an archive for it. root@bt:~# sudo apt-get autoremove Reading package lists... Done Building dependency tree Reading state information... Done E: The package libg15 needs to be reinstalled, but I can't find an archive for it. root@bt:~# sudo apt-get -f purge libg15 Reading package lists... Done Building dependency tree Reading state information... Done E: The package libg15 needs to be reinstalled, but I can't find an archive for it. root@bt:~# sudo dpkg --configure -a dpkg: dependency problems prevent configuration of g15macro: g15macro depends on g15daemon; however: Package g15daemon is not configured yet. dpkg: error processing g15macro (--configure): dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of g15stats: g15stats depends on g15daemon; however: Package g15daemon is not configured yet. dpkg: error processing g15stats (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: g15macro g15stats I'm not too computer savvy. Any help would be much appreciated!!! Note: I'm using Ubuntu 10.04 under Backtrack 5 R3.

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• Kernel panic on reboot after failed logical volume resize

  - by Derek

  I attempted to do a logical volume resize yesterday using the follwoing commands $sudo pvdisplay "/dev/sda8" is a new physical volume of "113.11 GiB" --- NEW Physical volume --- PV Name /dev/sda8 VG Name PV Size 113.11 GiB Allocatable NO PE Size 0 Total PE 0 Free PE 0 Allocated PE 0 PV UUID jwyO1o-b2ap-CW51-kx7O-kf26-arim-SM8V6m $sudo vgextend vg /dev/sda8 sudo vgdisplay vg --- Volume group --- VG Name vg System ID Format lvm2 Metadata Areas 2 Metadata Sequence No 9 VG Access read/write VG Status resizable MAX LV 0 Cur LV 5 Open LV 5 Max PV 0 Cur PV 2 Act PV 2 VG Size 131.74 GiB PE Size 4.00 MiB Total PE 33725 Alloc PE / Size 4769 / 18.63 GiB Free PE / Size 28956 / 113.11 GiB VG UUID AhusW2-pzFv-3W32-mpv2-s5VG-FN7S-kVSadx $sudo lvresize -L +20GB /dev/mapper/vg-var So as you can see, it looks like adding the physical volume to the vg worked, because i see free space available there. When I typed the lvresize command, it never returned. I let this run overnight in the background, but this morning I still couldnt successfully do a "pvdisplay" or "lvdisplay" because I think it was waiting on a lock or something, so the command never returned. When i went to log onto the server's console, I saw a bunch of messages like: rcu_sched_state detected stall on cpu 2 Now when I boot, I get a kernel panic error, and a message about not being able to mount /mapper/vg-root cannot open root device "mapper/vg-root" or unknown_block(0,0) Kernel Panic -not syncing: VFS: Unable to mount root file system on unknown_block(0,0) What should I do to get my system back up and running? Did I attempt to do the logical volume resize correctly? Thanks

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• Incompatible group permissions in Linux - Is it a bug?

  - by Sachin

  I am on Ubuntu 11.04. I am creating another user and placing an existing user in the group of other user, hoping to write in the home directory of other user. # uname -a Linux vini 2.6.38-11-generic #50-Ubuntu SMP Mon Sep 12 21:18:14 UTC 2011 i686 athlon i386 GNU/Linux # whoami sachin # su root # useradd -m -U foo // create user foo # usermod -a -G foo sachin // add user `sachin' to group `foo' # chmod 770 /home/foo/ # exit # whoami sachin # cd /home/foo/ bash: cd: /home/foo/: Permission denied # groups sachin sachin : sachin foo This is totally weird. Though user sachin is in group foo, and group bits for /home/foo/ is set to rwx, sachin can't chdir to /home/foo/. I am not able to understand this. But, if at the exit step, I switch to sachin user from root, this is what happens: # uname -a Linux vini 2.6.38-11-generic #50-Ubuntu SMP Mon Sep 12 21:18:14 UTC 2011 i686 athlon i386 GNU/Linux # whoami sachin # su root # useradd -m -U foo // create user foo # usermod -a -G foo sachin // add user `sachin' to group `foo' # chmod 770 /home/foo/ # su sachin # whoami sachin # cd /home/foo/ # ls examples.desktop Now, whatever is happening here is totally incomprehensible. Does su sachin inherits some permissions from the root user at this step? Any explanations would be much appreciated.

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• SUM of metric for normalized logical hierarchy

  - by Alex254

  Suppose there's a following table Table1, describing parent-child relationship and metric: Parent | Child | Metric (of a child) ------------------------------------ name0 | name1 | a name0 | name2 | b name1 | name3 | c name2 | name4 | d name2 | name5 | e name3 | name6 | f Characteristics: 1) Child always has 1 and only 1 parent; 2) Parent can have multiple children (name2 has name4 and name5 as children); 3) Number of levels in this "hierarchy" and number of children for any given parent are arbitrary and do not depend on each other; I need SQL request that will return result set with each name and a sum of metric of all its descendants down to the bottom level plus itself, so for this example table the result would be (look carefully at name1): Name | Metric ------------------ name1 | a + c + f name2 | b + d + e name3 | c + f name4 | d name5 | e name6 | f (name0 is irrelevant and can be excluded). It should be ANSI or Teradata SQL. I got as far as a recursive query that can return a SUM (metric) of all descendants of a given name: WITH RECURSIVE temp_table (Child, metric) AS ( SELECT root.Child, root.metric FROM table1 root WHERE root.Child = 'name1' UNION ALL SELECT indirect.Child, indirect.metric FROM temp_table direct, table1 indirect WHERE direct.Child = indirect.Parent) SELECT SUM(metric) FROM temp_table; Is there a way to turn this query into a function that takes name as an argument and returns this sum, so it can be called like this? SELECT Sum_Of_Descendants (Child) FROM Table1; Any suggestions about how to approach this from a different angle would be appreciated as well, because even if the above way is implementable, it will be of poor performance - there would be a lot of iterations of reading metrics (value f would be read 3 times in this example). Ideally, the query should read a metric of each name only once.

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• How do I give Ubuntu 10.10 more space (when installed inside Windows 7 (via wubi))?

  - by Pavitar

  I had installed Ubuntu inside Windows XP but then I formatted XP and installed Windows 7. EDIT1: I used Wubi for the same. I want to know which one of the two will solve my problem? creating a virtual disk or resizing root? Also is resizing root possible as the 4GB ext4 partition is already in a NTFS format Hard Drive partition. At the time of installation I had allocated only 4GB of space to Ubuntu. I want to increase that size as I keep getting a low disk space notification. I have surfed through a lot of similar questions but this is not a duplicate. Because I want to know a little about the file systems. In order to solve my problem,do I have to increase the size of root.disk? Or will it be solved by creating a virtual disk? Also I want to know the difference between creating a virtual disk and just increasing disk space of root.I'm new to Ubuntu so I don't know how the file systems function. EDIT2:I have created a virtual disk of 10gb ,but I'm still getting the same notification.Is there anyway to install all further applications on the virtual disk I created?

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• No Wireless In Ubuntu 13.10

  - by viktorhubinette

  When I upgraded to Ubuntu 13.10, I can't connect to wireless. The only thing I can connect to is ethernet, so please help me, What should I do? Here is the output of the lspci -nnk | grep -i net -A2 00:19.0 ethernet controller [0200]:intel corporation 82579V Gigabit network connection [8086:1503] (rev 04) subsystem: acer incorporated [ALI Device] [1025:8000] Kernel driver in use : e100e output of lsusb: Bus 002 Device 003: ID 046d:c31c Logitech, Inc. Keyboard K120 for Business Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 004: ID 0bda:0152 Realtek Semiconductor Corp. Mass Storage Device Bus 001 Device 040: ID 04e8:6863 Samsung Electronics Co., Ltd Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 004: ID 0bda:8178 Realtek Semiconductor Corp. RTL8192CU 802.11n WLAN Adapter Bus 003 Device 003: ID 045e:070f Microsoft Corp. Bus 003 Device 002: ID 046d:c52f Logitech, Inc. Unifying Receiver Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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• Free space in tmpfs partition not adding up

  - by Dean Herbert

  I have had my /tmp/ partition filling up recently when it should not be anywhere near full. On further investigation, I found that the partition was listing free space a lot lower than it should be. I am guessing a remount will fix this, but am very curious as to why this has happened and where this space has gone. du output: root@odoroki:/tmp# du --summarize -h 3.3M . df output: root@odoroki:/tmp# df -h /tmp Filesystem Size Used Avail Use% Mounted on tmpfs 3.9G 3.3G 653M 84% /tmp Update: after deleting some files it has happened again. du output: root@odoroki:/tmp# du -h --summarize 11M . df output: root@odoroki:/tmp# df -h /tmp Filesystem Size Used Avail Use% Mounted on tmpfs 3.9G 3.9G 0 100% /tmp I have a feeling this has started since a recent apt-get upgrade, but it still seems like strange behaviour. I did do a quick scan over lsof output and couldn't see any open/stuck file handles. Unfortunately due to the seriousness of the issue I had to reboot the server, after which usage seems to match correctly.

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• Very large log files, what should I do?

  - by Masroor

  (This question deals with a similar issue, but it talks about a rotated log file.) Today I got a system message regarding very low /var space. As usual I executed the commands in the line of sudo apt-get clean which improved the scenario only slightly. Then I deleted the rotated log files which again provided very little improvement. Upon examination I find that some log files in the /var/log has grown up to be very huge ones. To be specific, ls -lSh /var/log gives, total 28G -rw-r----- 1 syslog adm 14G Aug 23 21:56 kern.log -rw-r----- 1 syslog adm 14G Aug 23 21:56 syslog -rw-rw-r-- 1 root utmp 390K Aug 23 21:47 wtmp -rw-r--r-- 1 root root 287K Aug 23 21:42 dpkg.log -rw-rw-r-- 1 root utmp 287K Aug 23 20:43 lastlog As we can see, the first two are the offending ones. I am mildly surprised why such large files have not been rotated. So, what should I do? Simply delete these files and then reboot? Or go for some more prudent steps? I am using Ubuntu 14.04.

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• USB Ports In Wrong Mode, How To Use usbmodeswitch?

  - by user86872

  I haven't had access to my USB ports as media devices for a couple days now. I've been reading and researching everything I can find but I can't find a good guide for usbmodeswtich or usbms that I can decipher. The USB's are fine for power, but won't support my android phone as a media device, which is killing me because I use adb everyday, and won't support my plug and play mouse any longer. Not sure what caused the switch, though I think it may be related to the suspend issue I've read about, but the solutions in those threads I read also didn't work. Below is my system information and details. System: Ubuntu 12.04, 64-bit, Dedicated Machine Machine: HP-Pavillion g6 notebook, AMD A6 Quad Core Processor USBs used for: Cooling dock, Android Debug Bridge, Wireless Mouse Attempted Mod Probe, udev restart, unable to attempt lsusb due to my own lack of knowledge. :) Last Attempt Readout: ncandiano@ncandiano-HP-Pavilion-g6-Notebook-PC:~$ sudo modprobe -r usbhid && sleep 5 && sudo modprobe usbhid ncandiano@ncandiano-HP-Pavilion-g6-Notebook-PC:~$ sudo modprobe -r usb-storage ncandiano@ncandiano-HP-Pavilion-g6-Notebook-PC:~$ sudo modprobe usb-storage ncandiano@ncandiano-HP-Pavilion-g6-Notebook-PC:~$ sudo restart udev udev start/running, process 2624 ncandiano@ncandiano-HP-Pavilion-g6-Notebook-PC:~$ 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 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 0461:4de7 Primax Electronics, Ltd webcam Any help would be greatly appreciated!

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• User "oracle" unable to start or stop listeners

  - by user12620111

  Recently ran into a problem where user "oracle" was unable to start or stop listeners: oracle$ srvctl stop listener PRCR-1065 : Failed to stop resource ora.LISTENER.lsnr CRS-0245:  User doesn't have enough privilege to perform the operation CRS-0245:  User doesn't have enough privilege to perform the operation PRCR-1065 : Failed to stop resource ora.LISTENER_IB.lsnr CRS-0245:  User doesn't have enough privilege to perform the operation CRS-0245:  User doesn't have enough privilege to perform the operation The system is currently "fixed":oracle$ srvctl start listeneroracle$ srvctl status listenerListener LISTENER is enabledListener LISTENER is running on node(s): etc9cn02,etc9cn01Listener LISTENER_IB is enabledListener LISTENER_IB is running on node(s): etc9cn02,etc9cn01oracle$ srvctl stop listeneroracle$ srvctl status listenerListener LISTENER is enabledListener LISTENER is not runningListener LISTENER_IB is enabledListener LISTENER_IB is not runningoracle$ srvctl start listenerHow it was "fixed":Before:# crsctl status resource ora.LISTENER.lsnr -p | grep ACL=ACL=owner:root:rwx,pgrp:root:r-x,other::r--# crsctl status resource ora.LISTENER_IB.lsnr -p | grep ACL=ACL=owner:root:rwx,pgrp:root:r-x,other::r--"Fix":# crsctl setperm resource ora.LISTENER.lsnr -o oracle# crsctl setperm resource ora.LISTENER.lsnr -g oinstall# crsctl setperm resource ora.LISTENER_IB.lsnr -g oinstall# crsctl setperm resource ora.LISTENER_IB.lsnr -o oracleAfter:# crsctl status resource ora.LISTENER.lsnr -p | grep ACL=ACL=owner:oracle:rwx,pgrp:oinstall:r-x,other::r--# crsctl status resource ora.LISTENER_IB.lsnr -p | grep ACL=ACL=owner:oracle:rwx,pgrp:oinstall:r-x,other::r--I may never know how the system got into this state.

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• Ubuntu Server 11.10 boot, white terminal with garbled black text

  - by SpeedCrazy

  I just installed Ubuntu server 11.10 and the install went fine. This system is running on an Intel Pentium II board with onboard graphics. However when I try to boot into Ubuntu I get a white terminal with garbled black text. I have tried various grub 'fixes' as googling the issue seemed to suggest it was a res or grub related issue. I cannot ssh in so the issue does affect Linux as well. I have had no luck with anything thus far and am at my wits end. This was my first Ubuntu excursion as my friend told me it was better for servers than CentOS because it was easier... Not so much.... Does anyone have any ideas as to what the issue could be? When answering bear in mind I am an Ubuntu noob and Linux novice. As of 1/26/12 I have tried to add the console=ttyl line to the /etc/default/grub and run update-grub. This results in the line in the boot parameters that normally reads: linux /vmlunz-3.0.0-12-generic-pae root=/dev/mapper/dev-root rovt.handoff=7 now reads: linux /vmlunz-3.0.0-12-generic-pae root=/dev/mapper/dev-root ro console=ttyl vt.handoff=7 This does not work. Is there anyway to have console=ttyl inserted on a line by itself? I am at my wits ends, Thanks for all your help, Speed

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• Slow USB 3.0 speeds

  - by Cygnus X

  Long time forum forager, first time poster. I bought a Toshiba 500 GB usb 3.0 hard drive last week and instantly ran home to see how fast I could push it. On my desktop (that I built) I was able to get 200 MB/sec. On my laptop (MSI FX something or other), which I dual boot Windows 7/Ubuntu 11.10, I was able to get about 120 MB/sec on Windows, but on Ubuntu, i get about 25 MB/sec. lsusb shows: 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 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 0bda:0139 Realtek Semiconductor Corp. Bus 002 Device 003: ID 1532:0015 Razer USA, Ltd Bus 004 Device 002: ID 0480:a007 Toshiba America Info. Systems, Inc. lspci -vvv shows that the USB 3.0 host controller is using the kernel driver in use is xhci_hcd. dmesg |grep usb shows: [ 1815.455368] usb 4-1: new SuperSpeed USB device number 2 using xhci_hcd [ 1815.475459] scsi7 : usb-storage 4-1:1.0 The built in disk utility says its connected via usb at 705 MB/s, but that's not what it reports when I transfer files over to it. Not really sure what to do at this point. Any help would be very nice, thank you.

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• Browser automatically refreshes and Home folder window opens

  - by Vikash

  I am facing a very strange problem. Out of the blue, my browser starts refreshing itself infinitely. My first guess was firefox is messing up. I installed chrome. But, it happens in chrome as well. Other than that, sometimes my home folder automatically opens and keep opening itself infinitely. My next guess was Mouse is faulty. Replace the mouse - but same things. This happens even if I remove my keyboard. What can be the reason? This started happening after I installed Ubuntu 10.10 few days back. Earlier on windows, everything was working fine. So, I am a bit skeptical to assume that this is a hardware fault. How to fix this problem? UPDATE: xev gives this kind of result: KeyPress event, serial 36, synthetic NO, window 0x4200001, root 0xb8, subw 0x0, time 29897358, (237,791), root:(1252,842), state 0x10, keycode 65 (keysym 0x20, space), same_screen YES, XLookupString gives 1 bytes: (20) " " XmbLookupString gives 1 bytes: (20) " " XFilterEvent returns: False KeyRelease event, serial 36, synthetic NO, window 0x4200001, root 0xb8, subw 0x0, time 29897603, (237,791), root:(1252,842), state 0x10, keycode 65 (keysym 0x20, space), same_screen YES, XLookupString gives 1 bytes: (20) " " XFilterEvent returns: False

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