13
votes
0answers
260 views

Hiding the mouse cursor dynamically when using the touchscreen

I have a touchscreen laptop and I want to hide the pointer whenever I touch the screen. I am aware of solutions like unclutter and startx -nocursor but I want the pointer to hide/show dynamically, ...
11
votes
0answers
1k views

When do I need to specify add_efi_memmap as kernel argument in UEFI/EFI boot?

I am reading some tutorials how to EFI stub (efistub) load the Linux kernel. These instructions often use kernel boot parameter add_efi_memmap. The intended hardware is Intel x64 having 8GB of RAM. My ...
11
votes
0answers
318 views

Linux kernel dropping custom keyboard scan codes

I have a vintage IBM 122 key model M keyboard that I am adapting for use on a modern computer. I am using a Teensy 2.0 to do the encoding and to handle the USB side of things. I borrowed the firmware ...
8
votes
0answers
134 views

Multiple Keyboard Layouts and Shortcuts

I configured KDE to switch easily from a bépo (french-dvorak) to an azerty layout. I configured it with the KDE interface (systemsettings), but I guess it just call setxkbmap be and setxkbmap fr. The ...
8
votes
0answers
488 views

Why does hdparm see two different values for the size of a drive?

I have a 1 TB drive attached via USB. It contains an LVM physical volume filling the entire device (without any partition table). When I tried to extend a logical volume by using the entire PV, the ...
8
votes
0answers
308 views

Mint 15 High temps on e-450, fan seemingly not reacting

I'm running a 64-bit Mint 15 on a Lenovo x121e with AMD E-450 and Radeon HD graphics. I'm worried about the high temperatures (I had Ubuntu before and never even noticed anything, so I never checked ...
8
votes
0answers
798 views

How do I let an SDL app (not running as root) use the console

I want to use an SDL-based program to display graphics on the console, without having to log on from the console, and without running the program as root. For example, I want to be able to run it via ...
7
votes
0answers
319 views

Why does a device show up as hidraw instead of hiddev?

I read the kernel documentation for hidraw and hiddev, and I understand the differences, but I am wondering how the kernel decides whether or not a device should show up as /dev/hidraw* or ...
7
votes
0answers
148 views

Trying to understand Auto reconnect WIFI method

I found this method of reconnecting the WIFI dongle from this post. But, I want to be clear on how it works, before I try and implement it. Go to /etc/ifplugd/action.d/ and rename the ifupdown ...
7
votes
0answers
739 views

Monitor connected via displayport to DVI adapter won't sleep properly

I have a monitor connected to my machine that displays odd behavior when entering power saving sleep mode. When entering sleep, the monitor will alternate between blanking and displaying a default ...
7
votes
0answers
434 views

How can I get Mumble's overlay working?

Mumble and Team Fortress 2 (TF2) both work fine for me individually, but I cannot get mumble-overlay working, either independently or within TF2. I've tried putting the following launch options into ...
7
votes
0answers
197 views

How to combine zsh autocomplete for wrapper function arguments and existing command

I work mostly in gvim and many terminals. Originally, I preferred to open all my files in a single vim instance. To that end I used an alias to open files from my terminals in the current 'vim ...
6
votes
0answers
47 views

How do I activate Xorg record module on Raspian?

I'm trying to automate some tests on my RaspberryPi and I'm using python's pymouse to perform some emulated clicks. On my Debian it works fine, but when it comes to Raspian it keeps failing with this ...
6
votes
0answers
130 views

Setting up whonix with gateway and workstation on two separate hosts

I’ve had success in setting up and using whonix gateway and workstation on one machine. But I would like to set them up on different hosts, to spread out the memory and CPU requirements. I’ve not ...
6
votes
0answers
3k views

UEFI install (14.04) boots to GRUB command prompt, no GUI

I just installed zorin 9 core (14.04) on my Hard-Disk in UEFI mode. But, when I boot, all that comes up is a GRUB2 command line. I've searched for solution and came up with this command configfile ...
6
votes
0answers
4k views

Problem Installing UBUNTU 14.04 (AND Mint 16, which is based on UBUNTU 13.10) as dual boot on RAID 0 with Windows 8.1

Ok, I know that there is Dual-Boot Ubuntu 14.04 and Windows 7 on FakeRAID Installation error - question marks "????..." and that that post has some answers for me, but I don't know if it ...
6
votes
0answers
442 views

Remapping keys that generate multiple scan codes

I have a ThinkPad W540. On its keyboard there are four multimedia keys above the numpad. Two of those keys generate keycodes (and, apparently, scancodes) that correspond to combination of keys, Win_L ...
6
votes
0answers
165 views

Auto-switching PulseAudio profiles based on input(s) channel count

I'm running audio over HDMI to my receiver, which has a full 7.1 setup connected to it. However, most of the stuff that I listen to has far fewer channels—some is mono, most is stereo, a bit is 5.1. ...
6
votes
0answers
2k views

git-upload-pack hangs indefinitely

I have the following call structure: Jenkins runs fab -Huser@host set_repository_commit_hash:123abc. set_repository_commit_hash runs git fetch with pty = False. The child process ssh git@github.com ...
6
votes
0answers
268 views

How to manage multiple panel layouts for different display setups in KDE?

I use my laptop in 3 display setups: laptop only laptop + monitor laptop + projector For each one I use different screen setup and panel layout. It's quite boring to modify layout after each ...
6
votes
0answers
542 views

How to modify the default setting adopted by xrandr when connecting an external monitor?

I am confronted with a problem of conflict of resolutions (this is a separate question), which makes the display image distorted on both monitors. But this bothers me the most when connecting the ...
6
votes
0answers
3k views

“Northbridge Error (node 0): ECC Error in the Probe Filter directory”

I've received an e-mail from a user worried that the following errors on one of his servers is indicative of a serious problem. The trouble is, the errors below are all that I have to go on. I ...
6
votes
0answers
221 views

cabal dies on NixOS in KVM

I set up a NixOS system on KVM and installed the haskelPlatform package. Everything works fine, ghci works fine, but cabal dies without any helpful error message: [michas@nix:~]$ type -a cabal cabal ...
6
votes
0answers
1k views

Mouse scroll wheel speed far too sensitive

In my crunchbang installation with X11, openbox, my wireless usb mouse is listed at both /dev/psaux and /dev/input/mouse0. It's working fine apart from the scroll wheel, which although active, is far ...
6
votes
0answers
550 views

'OS X-like' momentum scrolling in linux?

Is there a way to make the scrolling on a linux machine (running X11) more like OS X's natural scrolling? With 'natural scrolling' I mean the fact that you can flick trough the pages, there is ...
5
votes
0answers
33 views

Why doesn't NAT reserve ports from the machine's TCP and UDP port pool?

I made two experiments. This is the network for both of them: [private network] [public network] A -------------------- R ----------------- B 192.168.0.5 192.168.0.1|192.0.2.1 ...
5
votes
0answers
103 views

Peculiar Solaris integer comparison behaviour

This one caught me unawares! We have a Solaris machine (version: SunOS 5.8) hosting a pivotal script/process which has been running for many years without complaint. We recently had cause to have a ...
5
votes
0answers
111 views

Why is 'steal' time gradually increasing?

I'm tracking CPU usage on a VM on a lightly-loaded host. Everything appears to be functioning normally on all the VMs, but collectd is reporting a gradually increasing 'steal' time: The actual ...
5
votes
0answers
71 views

What are the differences between xdotool and xautomation?

xdotool and xautomation are two command line X11 automation tools. I've used the former for a while and only recently found out about the existence of the latter, and I'm curious to know what someone ...
5
votes
0answers
178 views

Why does Dropbox say “Killed” in Arch?

I'm trying to install Dropbox on Arch. I've installed both dropbox and dropbox-cli, at least to the point of having the binaries. When I run dropbox on its own, it just responds Killed in red ...
5
votes
0answers
898 views

Sharing your desktop with Google Hangouts, dual monitor and GNOME Shell

I have a laptop with a built-in screen and an attached monitor. When I start a Google's video Hangout and share my desktop, I would like to be able to share only the attached screen, but I don't know ...
5
votes
0answers
98 views

Changing the order of workspaces in Gnome Shell

In Gnome Shell, is it possible to change the sequence of workspaces by using drag-and-drop? For instance, is it possible to make Workspace 2 the uppermost one by dragging it above Workspace 1 (which ...
5
votes
0answers
3k views

SSH & ForwardX11 vs ForwardX11Trusted --> beyond my grasp

I am on Ubuntu 14.04 and trying to get my head around ForwardX11 vs ForwardX11Trusted. My default ssh_config contains the following lines: # ForwardX11 no # ForwardX11Trusted yes Further, man ...
5
votes
0answers
826 views

git completion with zsh: filenames with spaces aren't being escaped properly

Git completion: I'm having difficulty with git's filename autocompletions on my system. I'm using zsh (5.0.5) with git (1.9.3) on OS X (10.9.3). Both zsh and git have been installed via homebrew. ...
5
votes
0answers
4k views

Running F.lux (Flux) or Redshift with Multiple Monitors with Nvidia Optimus

I have tried installing F.lux and then Redshift, and configured them to run on multiple monitors with no success. I wonder if my setup, which includes Nvidia Optimus setup using Bumblebee could be the ...
5
votes
0answers
149 views

audit activity on abstract domain sockets?

Using the audit system (auditd, auditctl) on Linux, is it possible to log connections to Unix domain sockets on the abstract namespace (or more exactly to filter them based on the (abstract) path)? ...
5
votes
0answers
1k views

WebGL support on VirtualBox guest

I've managed to install a Debian 7.3 as guest on virtualbox 4.3.6 VM with guest additions, and I'm not able to make work webGL. While I'm able to see openGL working (tried with glxinfo and glxgears ...
5
votes
0answers
590 views

Rsnapshot destination full - how to safely rerun?

I ran my Rsnapshot backup today but my external drive became full half-way through the incremental backup (I have about 20 incremental backups now). rsync: write failed on "<path>": No space ...
5
votes
0answers
196 views

using GPG key in Gajim without passphrase

I would like to use gpg key with Gajim (jabber client) without a passphrase. I have generated my gpg key without a passphrase (or with an empty passphrase, I don't know which - I just just pressed ...
5
votes
0answers
1k views

A real non-“better touch tools” solution for select-to-copy on Mac OS X

I recently moved to Mac. I am missing my X11 copy-paste style. I can't find a way to exactly emulate X11 behavior "select-to-copy", "middle-click-to-paste" globally on Mac OS X. I am aware that this ...
5
votes
0answers
595 views

Linux From Scratch 7.2: Error while making binutils-2.22 in chapter 6

I get the following error while executing make tooldir=/usr ../../binutils-2.22/libiberty/regex.c:130:1: warning: function declaration isn't a prototype [-Wstrict-prototypes] ...
5
votes
0answers
399 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 ...
5
votes
0answers
639 views

How to get infrared image data with sane on an epson v700 scanner?

I have read a number of posts on the topic and it seems that for now it is not possible to use sane to read infrared data (second pass) with my Epson Perfection V700 scanner out of the box. But are ...
4
votes
0answers
41 views

Unknown word comes up automatically after changing password on a user

I am using Redhat 5.4 and when I tend to change Oracle user password this comes up right after hitting Enter: passwd oracle Retype new UNIX password: passwd: all authentication tokens updated ...
4
votes
0answers
23 views

Change eth settings before udev loads

I have a custom version of CENTOS that I'm importing into Hyper-V on a Windows Server. Whenever I import it however, the mac addresses of eth1 and eth2 are now different. So they get incremented to ...
4
votes
0answers
28 views

Kernel - Measuring the rate of timer interrupts

I am working on optimizing kernels of my boxes for telephony, which involves (among other things) adjusting the HZ rate and the preemption model. Initially the kernel was compiled with the default ...
4
votes
0answers
23 views

How do cgroups interact with non-cgrouped processes?

I have 3 processes on a single core machine. Each process is exactly the same and burns CPU as fast as it can (tight loop). Two of them (A and B) are launched with cgexec in separate groups with ...
4
votes
0answers
18 views

XKB multi-layout layout specific Capslock behaviour oddity

I have two custom keyboard layouts, one a modified version of the us (which I have called vi,) one a modified version of the dk (which I have called da.) Both are registered properly, and work. After ...
4
votes
0answers
25 views

why do queries with status “refused” get answers?

I'm wondering about why would that be. It's even stranger if you simply "dig +short" the record - you get the response, but clients can't make use of that. I've had a quick look at the RFC, but I was ...
4
votes
0answers
34 views

USB drive offline in dmesg and ? in ls, but only for some files?

I have a backup drive that has been intermittently failing (but almost always succeeding) to run rsnapshot lately. ls and e2label output are not encouraging: $ ls -al /mnt/backup/ ls: cannot access ...

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