11
votes
0answers
624 views
Reuse D-Bus sessions across login sessions
I access a machine through multiple login sessions. The sessions' lifetimes may or may not overlap. In my case, these login sessions are currently always over SSH, but I would prefer to handle local ...
6
votes
0answers
152 views
Installing USR 5422 on Ubuntu 12.04
I am a newbie to Linux. I was trying to set up the USR5422 USB adapter. It worked fine for the first time, but since then it freezes the computer most of the time. What commands can I fire to see ...
6
votes
0answers
257 views
USB audio only outputs white noise
I am running OpenBSD/i386 5.1 on a 5 year old laptop. The speakers and headphone port work, but the headphone port is a little loose so I am trying to install an external USB sound card (Fiio E17 USB ...
6
votes
0answers
398 views
Keymapping problem when working with emacs and openbox
I have an apple keyboard and I had to do some remapping of the keys to make the mod-4 key the first key to the left of the space bar for when working with Emacs. The below script worked fine when I ...
5
votes
0answers
21 views
How do pdflush, kjournald, swapd, etc interoperate?
Recently saw a question that sparked this thought. Couldn't really find an answer here or via the Google machine. Basically, I'm interested in knowing how the kernel I/O architecture is layered. For ...
5
votes
0answers
34 views
Single key audio capture in Linux (save on key release)
I'd like to run a program that records audio only when the Right Control key is held down. On keyboard release the result would write to disk as, e.g. yy-mm-dd hh:mm.ogg. How might I do that?
$ ...
5
votes
0answers
338 views
FreeBSD: “Too many open files” but should be able to open another 160,000 files
I have a FreeBSD 8 system running ZFS, with a MySQL 5.5 server which is about 355GB and projected to grow to be a couple of Terabytes.
MySQL is triggering errors about "Too many open files" on ...
5
votes
0answers
99 views
Split PDF into colour and black/white pages
I would like to automatically split a large PDF document into two files: one file should contain only the pages with black and white content, and the other should contain only the pages with any ...
5
votes
0answers
456 views
“crash” when switching users in Linux Mint 12
I have a clean Linux Mint 12 install on a Lenovo R61i laptop. I have multiple users configured - one for myself, my wife, and my daughter. My account is the only sudoer.
Two or three times a week the ...
4
votes
0answers
56 views
btrfs and the discard mount option on an ssd
I can't seem to find an answer to this so I thought I would ask here:
In /etc/fstab and when using the mount command in ext4 you would add the option discard to activate TRIM on an SSD. Similarly ...
4
votes
0answers
52 views
Is there a way to mirror USB outputs?
I'm currently writing a program for a project.
It is for a braille reading system where I have a braille display connected via USB that is controlled by a program called brltty.
One of the ...
4
votes
0answers
63 views
Sending to two bluetooth speakers at once
Is it possible to send the same audio signal to two different Bluetooth speakers at once from a single source?
I remember reading somewhere that it's possible to send audio to two different sinks ...
4
votes
0answers
68 views
Locate occasional CPU kernel hog
I have a 2.6.35 PREEMPT kernel running on moderate-speed ARMv7 processor. About once every 100 - 125s, something causes the kernel to fail to process some audio-related drivers sufficiently quickly to ...
4
votes
0answers
137 views
Attaching USB-Serial device with custom PID to ttyUSB0 on embedded
I'm attempting to get an FTDI USB-Serial device with a custom PID to automatically (or even manually) attach to ttyUSB%n, without much success. The device's normal VID/PID is 0403/6001. When ...
4
votes
0answers
209 views
Preventing access blocking while external HDD spins up?
I have an old laptop where I installed Debian along with a samba server which I am using to share read-write access to 4 external hard drives, which I use to stream my media from.
All works fine, ...
4
votes
0answers
301 views
Raspberry Pi, serial console, minicom, and gnome-terminal
I'm trying to access my raspberry pi via its serial console on the gpio pins. It's working fine through a USB-3.3v serial dongle. However, there's a problem with long lines and long screens not ...
4
votes
0answers
128 views
How do I recover a broken software RAID5 array?
Ack, I think I screwed up bad. I had a power failure on a RAID5 array which caused the metadata to be inconsistent between drives.
I followed the advice here except a case of fat fingers caused me to ...
4
votes
0answers
286 views
Issue with internationally zipped files
I've asked a few people and just thought about asking it here. We get sent files from an international company for design work in a zip format. Well when I run a script to unzip the files in the ...
4
votes
0answers
38 views
How can I have different Emacs sessions loaded on different Emacs windows while using Emacs on daemon mode?
I'm currently using Emacs on daemon mode. I save my sessions using the desktop package. I also combine that with this in order to have several named sessions saved. If I have several Emacs windows ...
4
votes
0answers
396 views
CLFS: Building GCC cross compiler
Currently I try to build a embedded Linux from scratch with the instructions from Cross Linux from Scratch.
Everything worked fine until I tried to compile the GCC Cross-Compiler. I want to build the ...
4
votes
0answers
529 views
copy (to X clipboard) shortcut in .tmux.conf
In order to copy text to X clipboard in tmux, what I currently do is:
go selection mode with prefix[
start selection with space (using mode-keys vi btw)
select the text and press enter
copy tmux ...
4
votes
0answers
125 views
mutt sidebar: expand/collapse folders
Is there a way to expand/collapse a single folder or all folders in the mutt-patched sidebar? I couldn't find anything about this in the sidebar documentation.
4
votes
0answers
347 views
Avoid very fast double clicks
I have a mouse with a strange problem. The left button sometimes fires a double click even if I click just one time.
I would like to know if there's a way to avoid fast double clicks, ignoring clicks ...
4
votes
0answers
544 views
How do I recover/use Powerpoint speaker notes after import to LibreOffice Impress?
I have several MS Office Powerpoints that I would like to view in LibreOffice Impress. The slides import without any problems, but the speaker notes appear to be missing. How do I recover/access the ...
4
votes
0answers
795 views
Configure touchscreen on Debian?
I have got Samsung Q1 Ultra with Debian Squeeze on it. Everything works okay, except touchscreen.
The arrow almost does not respond to touching -- it only moves once in a while to a random place ...
4
votes
0answers
3k views
Changing screen resolution/geometry of a vncserver without randr in Linux
I want to change the resolution / geometry of my VNC session dynamically without affecting the programs running inside it.
I referred: Changing the resolution of a VNC session in linux.
I don't have ...
4
votes
0answers
671 views
WARNING: modpost: Found 10 section mismatch(es)
Is this error message something that I should be worried about?
linux-y3pi:/usr/src/linux-2.6.38.8 # make modules
scripts/kconfig/conf --silentoldconfig Kconfig
CHK include/linux/version.h
...
4
votes
0answers
136 views
How to make linux 'perf record' work for libc and libstdc++ symbols?
I'm using perf record -g on x86-64 Linux to profile a program. Several symbols in libc or libstdc++ have 0 as a parent: __GI___strcmp_ssse3 (libc) and strcmp@plt (libstdc++) for example. (I can ...
4
votes
0answers
150 views
ZSH host name completion behaviour change?
I have been using ZSH to do host name completion, and want to change the default behaviour. When I have multiple hosts with similar names, the completion does stuff that I don't care for. An example ...
4
votes
0answers
374 views
missing pieces of certain letters in text in Linux Mint
My problem is that as I type this message, in the second word, "problem", there are horizontal slices of missing bits in both the l and the m.
Following perusal of a similar question on the askUbuntu ...
4
votes
0answers
219 views
Pop-up event reminders in Korganizer, when synchronizing with Google Calendar
I have "connected" my Google Calendar with Korganizer. I create an event within my Google account. I want pop-up reminders to show up when I go home, even though the events weren't create by ...
4
votes
0answers
274 views
How to map a complex multi-key combination into a shortcut to execute a process, in X (across WMs etc)?
I am wondering how can I make a complex multi-key combination like say, Ctrl+Alt+T into a shortcut to execute me a process,xterm for instance? The important caveat is that I want it wired into either ...
4
votes
0answers
326 views
Faster alternative to ArchiveMount?
At the moment I am using ArchiveMount to mount a 123,000 kb archive that contains more then 3 million files inside. So far it has been mounting for 5+ hours and still isn't finished.
Is there a ...
4
votes
0answers
159 views
zsh: how to fix tab completion so it doesn't hide entries?
I'm using oh-my-zsh on Mac OS X with homebrew'ed zsh 4.3.12. I stumbled recently on a weird problem. In scripts/not-used I have several .R files:
breakdowns.R eventloop.R ...
4
votes
0answers
555 views
Fix Fn-keys for keyboard illumination
I've tried following the Ubuntu hotkeys/media keys troubleshooting guide and /usr/share/doc/udev/README.keymap.txt.gz to make the Fn keys work. After copying the map file and modifying ...
4
votes
0answers
354 views
Dead keys not working in Java Swing applications
I'm currently using Ubuntu 10.10 and Netbeans 7.0 and I can't type accented letters with dead keys any more. It's not a version specific problem seems it's related with Swing since I've got the same ...
4
votes
0answers
252 views
Launching a GUI application in RHEL 5 hangs
When I try to launch any GUI application through a terminal in my RHEL 5.4, it takes a very long time for the GUI to come up. Also, sometimes it just hangs.
I see the following messages in the ...
3
votes
0answers
24 views
Custom autocomplete: deal with spaces in filenames
A bit of context, this question is a follow-up of this one: Bash remote autocompletion : change the 'starting' directory
Anyway, I'm writing my custom autocompletion bash script: I want the ...
3
votes
0answers
20 views
Open/Libre Office: Restricting Impress to PowerPoint-compatible content?
Is there a way to restrict the Open/Libre Office presentation-program Impress to just PowerPoint-compatible content? Preferably in a way that "shadows-out" or removes non-compatible animations and ...
3
votes
0answers
41 views
GNU Screen weird characters on click
I have a small problem in GNU screen. A GNU screen session runs on my raspberry pi. Now sometimes, when I join it, if I click in the terminal (I'm using terminator on fedora) I see weird characters ...
3
votes
0answers
32 views
Booting grub legacy via qemu using pxe
I have been trying to boot grub legacy via qemu using pxe. For some reason, the grub does not display the menu and enters into the command mode after displaying the following error.
Error15: File not ...
3
votes
0answers
36 views
How do I make the CLI run on dedicated graphics?
I just finished my Gentoo minimal install and the first thing I wonder is why I get no picture. I did have signal on the live CD, so that was pretty odd. I plugged the monitor into the Intel HD ...
3
votes
0answers
33 views
First key pressed repeates forever
I just installed CentOS 6.4 on an old machine I acquired for a development box, but I am running into keyboard issues I can't get around.
I start the machine and go to type a user name in and ...
3
votes
0answers
37 views
Alternatives to HUD
Are there alternatives to HUD (from unity) which work together with different window managers (especially with tiling WM's)?
3
votes
0answers
66 views
Why is dnsmasq putting my router IP in /etc/resolv.conf instead of 127.0.0.1?
I'm having DNS resolution issues in various contexts which appear to trace back to my networking configuration.
I'm running just the netmasq-base installation of netmasq on two Linux installations ...
3
votes
0answers
39 views
How do I install packages permanently on my Beagleboard?
I have spent some time getting my BeagleBoard XM computer up and running with the default Angstrom demo image after it has sat unopened for close to a year. I've been able to interact with it through ...
3
votes
0answers
76 views
How do I mount a Windows folder with cifs on Raspian
I'd like to access the music library from my desktop with my Raspberry Pi, and I'd like to do this via Samba/cifs.
I did the following:
Set the folder Q:\musik as a shared folder on my Windows ...
3
votes
0answers
71 views
How to convert a pdf to 4-up in landscape mode (ideally using ghostscript)?
I have pdf slides in landscape mode and would like to create a new pdf file containing the slides 4-up (in landscape mode again) like this:
-----------------
| 1 | 2 |
-----------------
| 3 ...
3
votes
0answers
42 views
getting the message “out of partition” after installing grub2. What is happening?
I recently moved a partition with a complete Linux install except /home to a new disk (with DD).
Everything went fine, I can mount the partition, browse it... perfect.
Next step: install grub to ...
3
votes
0answers
50 views
Exynos 5 DVFS or turning off cores in Ubuntu - Scaling frequency for one of the cores only (dual core) (cpufreq)
I was wondering if there is possible to scale only one of the cpu cores in the A15 in Exynos 5 ? I have tried using e.g cpufreq-set -c 1 -f 500MHz, but both cores are set to the same frequency. When ...
