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• Lock a partition to a few folders

  - by Oxwivi

  I want to have a few folders on a partition whose contents I can freely edit, but outside nothing should be saved. Specifically, I want the folders in my Home (Documents, Music, etc) on a different partition, but rest of the normally hidden folders remain in the main partition with Ubuntu. I can make the files within the Home folders save in another partition using fstab binding, but I still can't think of how to lock the partition from edits outside those folders. I'm open to suggestions of alternatives to binding - but please, no symbolic links.

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• Ubuntu installer does not show drives

  - by Tanweer Rashid

  I am trying to install Ubuntu 12.04 LTS on my Inspiron laptio, but the installer does not show any drives. My system has a 1TB SATA drive and a 32GB SSD. As far as I can figure, the boot files are kept on the SSD for fast startup (for Windows). During Win7 installation, I had to manually load drivers for RAID controller to see all available drives. Running fdisk -l from the live CD shows the following: ubuntu@ubuntu:~$ sudo fdisk -l Disk /dev/sda: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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: 0x234b4782 Device Boot Start End Blocks Id System /dev/sda1 63 80324 40131 de Dell Utility /dev/sda2 * 81920 41627647 20772864 7 HPFS/NTFS/exFAT /dev/sda3 41627648 357019647 157696000 7 HPFS/NTFS/exFAT /dev/sda4 357019648 1953517567 798248960 f W95 Ext'd (LBA) /dev/sda5 672415744 1312966655 320275456 7 HPFS/NTFS/exFAT /dev/sda6 1312968704 1953517567 320274432 7 HPFS/NTFS/exFAT Disk /dev/sdb: 32.0 GB, 32017047552 bytes 255 heads, 63 sectors/track, 3892 cylinders, total 62533296 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: 0x234b474b Device Boot Start End Blocks Id System /dev/sdb1 2048 16775167 8386560 84 OS/2 hidden C: drive ubuntu@ubuntu:~$ In the Ubuntu installer, I can only choose /dev/sdb for "Device for boot loader installation", and sdb doesn't show any drives. I cannot select /dev/sda. Any ideas anyone? Thanks.

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• Crashing/freezing problems with an Aspire One 722

  - by tim

  After several annoying points with installing ubuntu 11.10 on my acer aspire one 722 i finally made this run. After installing i had freeze issues and solved them by putting network boot on first priority on the bios. Yesterday all worked fine, no problems with wlan etc. But today all is crashing down. Atm iam at the university and tried to log into the public wlan. With that came : i cannot shut down, terminal is not working, very slow perfomance, some apps are starting like libre office, some not like system manager, buttons are not reacting, wlan symbol is spinning all the time. Any suggestions i can do?

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• Difference between ~/folder and /home/username/folder when creating a path in /etc/environment

  - by r0xx4nne

  I had an executable script on my ubuntu located on ~/project/ directory and I tried to add that path to /etc/environment . So , I edit the path to this PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:~/project/" . Then , I logout and login back , open the terminal as su and run the command to execute my script on that folder but the result is command not found. Then, I change the path in /etc/environment to PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/home/r0xx4nne/project/" and voila it works.Now i can run the executable script inside ~/project/ without fail under su command. My question is , what's the difference between ~/project and /home/r0xx4nne/project when it comes in case of creating a path in /etc/environment ? Why it happened to be like this? I am a newbie and I just want to know more . Thanks for any reply .

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• How to enable TRIM on LVM on Ubuntu 12.10?

  - by Siddarth Kaki

  When I reinstalled Ubuntu 12.10 64-bit on my SSD, I chose the option to use LVM in Ubiquity. I am trying to find out how to enable TRIM for my SSD. I came across this article: http://worldsmostsecret.blogspot.com/2012/04/how-to-activate-trim-on-luks-encrypted.html The article states in addition to adding discard and noatime to /etc/fstab , discard must be added to the drive (sdX_crypt) in /etc/crypttab. My problem is the only listings in my /etc/crypttab are several cryptswap; it does not list any sdX_crypt. I currently have a /dev/sda1 (ext2), which is the boot point, and /dev/mapper/ubuntu-root, which is my ext4 partition. Any ideas as to how to enable TRIM?

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• Unity isn't starting on 13.10 (with Cinnamon 2.0 installed)

  - by Sam Pearman

  Since upgrading to 13.10, I can't log in to unity desktop. Light dm works correctly, but attempting to log in tries to start the session then drops back to light. I've already dropped to terminal (ctrl+alt+f2) and done this: sudo apt-get update sudo apt-get install --reinstall ubuntu-desktop sudo apt-get install unity Logging in as a guest session also fails. Logging in to other window managers works with varying degrees of success. Note: I have Cinnamon 2.0 installed from PPA. I'm using a 2 monitor setup. Also of note is that the session prior to my upgrade to 13.10 the background of unity failed to display at all, instead showing what was there in the screen buffer from the previous frame. The entire OS worked correctly otherwise though, so I just ignored it for the session. No other upgrades or even updates were done prior to this occurring. My upgrade path to 13.10 was basically this: Install 13.04 alongside Windows 7, use ubuntu as a glorified web browser for a while, get updates (in preparation for 13.10), install 13.10. I also used Unity Tweak Tool to change some aspects of unity, particularly auto-hide. Any help or ideas would be appreciated, as I'm typing this on my phone :(

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• How do I mount Samba share as non-root user

  - by Android Eve

  Is there a step-by-step tutorial that instructs in detailed step-by-step how to smbmount a Samba share to be used by a non-root user on a Ubuntu 10.04 desktop? Note: there are numerous threads on Google search dealing with this seemingly new problem. Instructions that used to work on Ubuntu 8.04 (or an older version of smbfs) no longer work. I need something fresh, punctual and especially reproducible. Thanks.

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• How to automatically change volume level when un-/plugging headphones?

  - by htorque

  What I want is the following: When I plug in my headphones, I want the sound to be un-muted and set to a specific volume level. When I unplug my headphones, I want the sound to be muted (or set to a specific volume level). Setting the volume levels isn't the problem, but I somehow need to do this when un-/plugging the headphones, so I'm looking for a way to get notified of those events. I quickly found /proc/asound/card0/codec#0 to indicate whether headphones are plugged in or not, so I tried to monitor it using inotifywait and change the volume level based on modified notifications. Unfortunately inotifywait failed because proc isn't an ordinary filesystem. Are there other ways to do this (maybe via PulseAudio)? Audio device: Intel HDA, audio codec: Conexant CX20585.

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• What could be causing frequent display freezes?

  - by austen

  I just installed Ubuntu 14.04 two days ago (coming from Win8) and in the two days that I've been using it, my display has frozen four or five times. The mouse won't move but the keyboard does respond so I can use the Ctrl+Alt+Bkspc command to fix it. It seems like it might just be the display freezing because one of the times I was watching a Youtube video and the audio continued playing. I have an Nvidia graphics card with the most recent Nvidia drivers for it enabled. I see that a lot of questions about Ubuntu freezing get marked as a duplicate and pretty much always linked back to a thread about what to do when it freezes. Clearly, I've got that bit figured out already and I did read that thread for further advice. What I'm looking for though is how to fix this permanently. output from lspci -nnk | grep -iA2 VGA: 00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) Subsystem: Lenovo Device [17aa:2200] Kernel driver in use: i915 Update: JohnnyEnglish pointed out that Ubuntu is using the integrated graphics, not my Nvidia card. It turns out my laptop uses Nvidia Optimus and I cannot enable only the graphics card through the BIOS. I found out about Nvidia Prime and got it set up using this article. The settings panel which allows you to select the graphics says that 'performance mode' is enabled but when I check which graphics controller is enabled through the terminal, it still says it's using the integrated graphics. I'm not sure if this could be causing the freezes but I guess it's a starting point. Any ideas on how to resolve this?

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• Booting Error while using 12.04 booting from GRUB

  - by Paul Z.

  my name is Paul. I have encountered an issue relating to GRUB booting and the booting process in general. I have been running Ubuntu 12.04 LTS on my machine for quite a while. Before that, i had (before) 10.04, 11.04, 11.10, etc. I have been running Ubuntu, in general, but more specifically 12.04 for a long time with little to no problems. The problem: Earlier today, i was using my machine and then decided to take a little break. I shut down my machine (laptop, in case anyone was wondering) and left. Later, I came back ready to start it up and continue. I started it up and it took me to the Toshiba screen (like normal) then to the GRUB screen. I guessed that nothing was truly wrong, and chose the first option (something around the lines of: Ubuntu, with linux 3.22.0-35-generic). I waited for a bit and it still displayed the same purple screen. I restarted it and now chose the option like the first but with recovery at the end. Same result. Later, I waited longer and found that my computer came up with a bunch of lines of script. I waited longer but nothing new happened. What are your suggestions as to fix this problem? I will let my computer run overnight with the recovery setting and will let you know what the result is. Until then, please help. Thank you, your time and effort is greatly appreciated!

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• Best way to make a shutdown hook?

  - by Binarus

  Since Ubuntu relies on upstart for some time now, I would like to use an upstart job to gracefully shutdown certain applications on system shutdown or reboot. It is essential that the system's shutdown or reboot is stalled until these applications are shut down. The applications will be started manually on occasion, and on system shutdown should automatically be ended by a script (which I already have). Since the applications can't be ended reliably without (nearly all) other services running, ending the applications has to be done before the rest of the shutdown begins. I think I can solve this by an upstart job which will be triggered on shutdown, but I am unsure which events I should use in which manner. So far, I have read the following (partly contradicting) statements: There is no general shutdown event in upstart Use a stanza like "start on starting shutdown" in the job definition Use a stanza like "start on runlevel [06S]" in the job definition Use a stanza like "start on starting runlevel [06S]" in the job definition Use a stanza like "start on stopping runlevel [!06S]" in the job definition From these recommendations, the following questions arise: Is there or is there not a general shutdown event in Ubuntu's upstart? What is the recommended way to implement a "shutdown hook"? When are the events runlevel [x] triggered; is this when having entered the runlevel or when entering the runlevel? Can we use something like "start on starting runlevel [x]" or "start on stopping runlevel [x]"? What would be the best solution for my problem? Thank you very much

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• How reliable is the battery data in ubuntu the power statistics?

  - by nbubis

  Right now the power statistics show that: Energy when full: 25.5 Wh Energy (design): 93.2 Wh And indeed the battery doesn't seem to be lasting as long as it used too. My question: Is this data reliable? Does it really indicate that I should replace the battery, or could it be the charger, laptop, or OS that is stopping the battery from fully charging? Is any way of validating the battery is indeed to blame? I'd like to be sure before shelling out 90$ for a new battery. (If it helps, the battery is a 3 year old dell 9 cell rated at 90 Wh).

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• 64 bit Ubuntu sees half my RAM

  - by koehn

  This is on my AMD FX(tm)-4100 Quad-Core Processor (according to /proc/cpuinfo) on a machine with two 4GB RAM DIMMs. BIOS shows 8GB RAM installed. Any help would be appreciated. RAM: Extreme Performance Sector 5 G Series 8GB DDR3-1333 (PC3-1066) Enhanced Latency Dual Channel Desktop Memory Kit (Two 4GB Memory Modules) MB: GA-78LMT-S2P Socket AM3+ 760G mATX AMD Motherboard CPU: FX 4100 Black Edition 3.6GHz Quad-Core Socket AM3+ Boxed Processor Here's what the software says: $ free total used free shared buffers cached Mem: 3515100 3293656 221444 0 19260 2670352 -/+ buffers/cache: 604044 2911056 Swap: 3650556 90916 3559640 $ uname -a Linux mythbuntu 3.2.0-30-generic #48-Ubuntu SMP Fri Aug 24 16:52:48 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux From lshw: *-memory description: System Memory physical id: 20 slot: System board or motherboard size: 4GiB *-bank:0 description: DIMM 1066 MHz (0.9 ns) product: None vendor: None physical id: 0 serial: None slot: A0 size: 2GiB width: 64 bits clock: 1066MHz (0.9ns) *-bank:1 description: DIMM 1066 MHz (0.9 ns) product: None vendor: None physical id: 1 serial: None slot: A1 size: 2GiB width: 64 bits clock: 1066MHz (0.9ns)

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• Input signal out of range; Change settings to 1600 x 900

  - by Clayton

  I recently installed Ubuntu 12.04 onto my HP Pavilion, in an attempt to make the desktop able to dual-boot Windows 7 and Ubuntu. I managed to get down to the last step, and finished the installation process. After it prompted me to remove what I used to install Ubuntu, I did so, removing my SanDisk 8GB flash drive, and allowed the system to reboot. Like usual, the desktop booted with the HP image, with the options at the bottom(Boot Menu, System Recovery, etc). However, when it should have started up with Ubuntu(like I'm certain it should have done), I received the following error: Input signal out of range Change settings to 1600 x 900 From the time I installed the operating system, back in late August, till now, I've been trying to figure out how I would go about fixing this issue. My mom is also starting to get frustrated with my not having resolved the issue, as its the only desktop that has a printer installed. Is there any possible way to resolve this? To summarize the problem: -Successful boot -Screen brings up error -Screen goes to standby -Nothing else possible until desktop is rebooted, which will initiate the above three steps A few notes: -I did not back up my computer before I installed Ubuntu. I didn't have anything to write to, and basically just forgot to. : -I don't have a Recovery Disk. -I don't have the Windows 7 disk that is supposed to come with the computer. -It has been narrowed down by a friend on Skype that the problem lies with the display, and that the vga= boot command does have something to do with fixing the problem Thank you in advance for resolving this problem. I greatly appreciate it. ^^

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• Hardware wireless switch has no effect after suspend and 13.10 upgrade

  - by blaineh

  This seems to be a fairly chronic problem, as shown by the following questions: How do I fix a "Wireless is disabled by hardware switch" error? Wireless disabled by hardware switch "Wireless disabled by hardware switch" after suspend and other hardware buttons ineffective - how can I solve this? but no good solutions have been found! Wireless works fine after a reboot, but after a suspend the hardware switch (for my laptop this is f12) has no effect on the wireless, it is just permanently off, and shows that it is with a red LED. All My rfkill list all reads: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes 1: hp-wifi: Wireless LAN Soft blocked: no Hard blocked: yes Any combination with rfkill <un>block wifi doesn't work, although one time first blocking then unblocking actually turned it on again. sudo lshw -C network reads: *-network DISABLED description: Wireless interface product: AR9285 Wireless Network Adapter (PCI-Express) vendor: Qualcomm Atheros physical id: 0 bus info: pci@0000:02:00.0 logical name: wlan0 version: 01 serial: 78:e4:00:65:2e:3f width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=ath9k driverversion=3.11.0-12-generic firmware=N/A ip=155.99.215.79 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn resources: irq:17 memory:90100000-9010ffff *-network DISABLED description: Ethernet interface product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 logical name: eth0 version: 02 serial: c8:0a:a9:89:b4:30 size: 10Mbit/s capacity: 100Mbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no multicast=yes port=MII speed=10Mbit/s resources: irq:42 ioport:2000(size=256) memory:90010000-90010fff memory:90000000-9000ffff memory:90020000-9002ffff Also, adding a /etc/pm/sleep.d/brcm.sh file as recommended here simply prevents the laptop from suspending at all, which of course is no good. This question has an answer urging to install the original driver, but it wasn't an "accepted answer" so I'd rather not take a chance on it. Also I'll admit I'm a bit lost on that and would like help doing so with the specific information I've given. xev shows that no internal event is triggered for my wireless switch (f12), but other function keys also acting as hardware switches work fine. I would be happy to provide more information, so long as you're willing to help me find it for you! This is a very annoying bug. I have a Compaq Presario CQ62. Edit. I just tried to reload bios defaults (or something) as shown by this video. Didn't work. Edit. I tried the contents of this answer, and it didn't work. Edit. I made a pastebin of dmesg. I couldn't even begin to understand the contents. Edit. Output of lspci | grep Network: 02:00.0 Network controller: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) (rev 01)

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• Lotus 9 on ubuntu 13.04 64bit

  - by Hassan

  hey everybody! when i install notes 9 on my Ubuntu 13.04 its not complete the installation because some depending package see below : hassan@Hassan-Ubuntu:~/Downloads/IBM Notes 9$ sudo dpkg -i ibm-notes-9.0.i586.deb [sudo] password for hassan: dpkg: regarding ibm-notes-9.0.i586.deb containing ibm-notes, pre-dependency problem: ibm-notes pre-depends on libgnomeprint2.2-0 dpkg: error processing ibm-notes-9.0.i586.deb (--install): pre-dependency problem - not installing ibm-notes Errors were encountered while processing: ibm-notes-9.0.i586.deb please advice Thanks :)

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• PowerBroker (Likewise-Open) + Ubuntu 13.04 -> 13.10 Upgrade

  - by JoBu1324

  I just upgraded Ubuntu from 13.04 to 13.10, and now I can't log into Active Directory; my system is integrated using PowerBroker Identity Services (PBIS), which used to be called Likewise-Open. So far I have identified the following symptoms: I am able to log in with my credentials via ssh. The screen goes black when attempting log into my account via the login screen. I've tried leaving the domain, purging PBIS, and re-installing the latest version of PBIS. I've been trying the troubleshooting section I found here, but I haven't had any success. The relevant portion of the auth.log Oct 22 09:30:26 mypc lightdm: pam_succeed_if(lightdm:auth): requirement "user ingroup nopasswdlogin" not met by user "myusername" Oct 22 09:30:29 mypc lightdm: pam_unix(lightdm-greeter:session): session closed for user lightdm Oct 22 09:30:29 mypc lightdm: pam_unix(lightdm:session): session opened for user myusername by (uid=0) Oct 22 09:30:29 mypc lightdm: pam_unix(lightdm:session): session closed for user myusername Oct 22 09:30:30 mypc lightdm: pam_unix(lightdm-greeter:session): session opened for user lightdm by (uid=0) Oct 22 09:30:30 mypc systemd-logind[718]: New session c5 of user lightdm. Oct 22 09:30:30 mypc lightdm: pam_ck_connector(lightdm-greeter:session): nox11 mode, ignoring PAM_TTY :1 Oct 22 09:30:31 mypc dbus[535]: [system] Rejected send message, 2 matched rules; type="method_call", sender=":1.129" (uid=110 pid=5139 comm="/usr/lib/x86_64-linux-gnu/indicator-keyboard-servi") interface="org.freedesktop.DBus.Properties" member="GetAll" error name="(unset)" requested_reply="0" destination=":1.39" (uid=0 pid=2024 comm="/usr/sbin/console-kit-daemon --no-daemon ") My .xsession-errors log Script for ibus started at run_im. Script for auto started at run_im. Script for default started at run_im. /usr/sbin/lightdm-session: 5: exec: init: not found

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• Cannot set Chrome as default browser

  - by user1951615

  This has been asked before but there is no answer that works for me. The last answer I saw said to use System Settings. If I look there (Details, Default applications, Web), it says that Chrome IS my default browser. But every time I launch Chrome, it asks me again. If I look within Chrome under Settings, Default Browser, it says that it is not the default browser. There is a large button marked "Make Google Chrome the default browser" but, as someone else as already reported, this button has no effect. I am on the stable channel for Chrome. I tried making a comment to the existing thread but was unable to. That is why I am asking as a new question.

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• Gwibber only launches sometimes

  - by Stephen Judge

  I face this problem where Gwibber only launches sporadically. Sometimes when I click it to launch, it launches and then other times it doesn't. I can't seem to figure out what is preventing it from launching and what sort of information I need to collect, also where to collect it from to make a bug report. I have killed the gwibber-service processes in the System Monitor "it loads three processes called gwibber-service, is this normal" several times and tried to launch Gwibber again, but this doesn't seem to work. The process just called gwibber starts, then the three gwibber-service processes start, then the gwibbber process ends and the three gwibber-service processes remain but the application is still not launching. Generally, I want to know are other people facing the same problem. If someone can give me some guidance on how to triage this problem and get the information need to make a bug report I would be grateful. The upside to this though is at least when it is not launching it is preventing me from wasting endless hours reading my streams on Identi.ca and Twitter, so it is a bit Workrave for microblogging. In which case maybe I shouldn't fix this problem :-)

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• Difference between Emacs metapackage and Emacs

  - by roseck

  I have the following sources enabled: main, universe, restricted and multiverse. On Ubuntu Software Center on 11.10 I see two packages for Emacs: The GNU Emacs editor (metapackage) The GNU Emacs editor What is the difference between metapackage version and non-metapackage one? By the way, this thread What differences are there between the various version of Emacs available? also explains the difference between two Emacs versions: Emacs and Emacs-snapshot, and interestingly I don't see these packages now on my Ubuntu Software Center.

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• Install Ubuntu on Laptop dual with windows 7

  - by Pieter Doubell

  I have installed Ubuntu 12.04/ 32-bit using Wubi on my laptop running dual with windows 7 desktop and it works very very well. I am now also trying to install Ubuntu on another laptop already running a linux operating system only but not successful in doing so. Would like to install Windows 7 dual with Ubuntu. At the moment it is complaining about partitions of the existing linux when trying to install Windows 7 which I suppose is fair. Please herewith assist in installing the Ubuntu and Windows 7 platforms. Very much appreciated.

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• Accessing hardware via USB by proprietary windows software using Wine

  - by Carlos Eugenio Thompson Pinzón

  I have this proprietary software that access some hardware using USB. Over a year ago I tried to install it on a Ubuntu OS using Wine (the program is written for Windows). The UI seemed to work just fine but it had no access to the USB port. Back then I had to license a Windows copy in order to get the job done. Now, that Windows version we where using is deprecated and it is not longer available and available versions cost trice as much. So it is time to give Linux another try. How can I ensure that the USB is available for a Wine application? Neither the application nor the hardware install any driver, the app just pool all available USB drivers and make a handshake if it recognizes that the hardware is present. I want to minimize the test cases before abandoning Linux one more time. Update I've just tried again (with the hope an upgrade was made from last year), and it is not working. The proprietary windows app is not finding the hardware.

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• Firefox freezes frequently

  - by user141740

  Good day, The application Firefox freezes very frequently and I have to use 'force quit" to get out and hence I lose all my activities and it is extremely frustrating. Only in one occasion, there was a pop-out message saying that this problem was going to be tracked but in all other occasions there is no tracking and no message I posted this error on Ubuntu community and it was stopped and I was told to post it on launchpad. I did try to do so with no success as after reading pages and pages which i really do not understand who would read them and why so many ridiculous and tedious rules and information, i even could not find the place or the way to post this bug. And I thought of this ASkUBUNTU and so i am posting here in the hope for some useful help and I have to mention I am new to Linux. Just a few minutes ago, I opened the Firefox through the Terminal and it crashed very quickly and there are some error messages and i copy and paste them hoping they can help thank you in advance and look forward to your help and solving this frustrating problem/bug and if you wish you may post it on Launchpad or do with report as you wish as long as the problem is solved. And here the messages appearing in Terminal, after Firefox crashed: ** (firefox:4099): WARNING **: Error calling add_icon method of Contextcontext: Timeout was reached ** (firefox:4099): WARNING **: Error calling set_homepage method of Contextcontext: Timeout was reached ** (firefox:4099): WARNING **: Error calling clear_indicator method of Indicatorcontext: Timeout was reached ** (firefox:4099): WARNING **: Error calling clear_indicator method of Indicatorcontext: Timeout was reached ** (firefox:4099): WARNING **: Error calling clear_indicator method of Indicatorcontext: Timeout was reached ** (firefox:4099): WARNING **: Error calling set_view_location method of Contextcontext: Timeout was reached ** (firefox:4099): WARNING **: Error calling set_view_window method of Contextcontext: Timeout was reached ** (firefox:4099): WARNING **: Error calling set_view_is_active method of Contextcontext: Timeout was reached Killed

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• Can't change brightness on Toshiba l755 laptop

  - by albert

  I have a Toshiba l755 laptop, and I installed 12.04 64bit on it. The default brightness of the laptop is set to maximum value, and I can't change it. If I go to Configuration ? Brightness, the brightness doesn't change and neither does pressing the function keys. I tried changing some parameters of grub file, setting GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux acpi_backlight=vendor". When changing the brightness from configuration, the value of /sys/class/backlight/toshiba/brightess changes, but screen remains the same. If I use the key functions, it changes the "actual_brightness" files. I don't know what else can I do, any suggestions?

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• iptables mac address filtering not work

  - by Tony Lee

  I block every port default by ufw and add iptables rules like this: sudo iptables -A INPUT -p tcp --dport 1723 -m mac --mac-source 00:11:22:33:44:55 -j ACCEPT then I list iptables INPUT rules: sudo iptables -L INPUT --line-numbers Chain INPUT (policy DROP) num target prot opt source destination 1 ACCEPT udp -- anywhere anywhere udp dpt:domain 2 ACCEPT tcp -- anywhere anywhere tcp dpt:domain 3 ACCEPT udp -- anywhere anywhere udp dpt:bootps 4 ACCEPT tcp -- anywhere anywhere tcp dpt:bootps 5 ufw-before-logging-input all -- anywhere anywhere 6 ufw-before-input all -- anywhere anywhere 7 ufw-after-input all -- anywhere anywhere 8 ufw-after-logging-input all -- anywhere anywhere 9 ufw-reject-input all -- anywhere anywhere 10 ufw-track-input all -- anywhere anywhere 11 ACCEPT tcp -- anywhere anywhere tcp dpt:1723 MAC 00:11:22:33:44:55 but I can't visit my server:1723 Is there sth wrong? I use Ubuntu 11.10

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