12
votes
0answers
300 views

How do I use the TPM to seal away data on an UEFI booted system?

I would like to seal away files on my system using keys stored in the TPM. Since my system uses UEFI to boot, I can no longer use TrustedGrub as a boot loader to maintain my trust chain. Are there any ...
11
votes
0answers
411 views

Why does mutt keep asking for imap username and password?

Unsetting mutt's configuration variables imap_user, imap_pass (and perhaps preconnect, imap_authenticators as well) via an account-hook . "unset ... " call, seems to be common practice, if not a ...
10
votes
0answers
158 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, ...
10
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 ...
9
votes
0answers
271 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
76 views

Does Linux automatically clean up abstract domain sockets?

There's a great answer on StackOverflow about providing a better lock for daemons (synthesized from here) that doesn't depend on the common PID file lock mechanism for daemons. There are lots of good ...
8
votes
0answers
434 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
557 views

Cleanup of temporary file ~/.cache/duplicity/temp failed

Often when I run Duplicity I see an error message like this at the end of the run: Cleanup of temporary file ...
8
votes
0answers
299 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 ...
7
votes
0answers
679 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
426 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
182 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 ...
7
votes
0answers
372 views

Aufs Whiteout removal

I'm using AUFS for merging 100+ branches for a project. At runtime, I frequently add or remove few branches. Now, If I have a branch named "firefox-21.0" and If I update/modify one of it's file then ...
7
votes
0answers
757 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 ...
6
votes
0answers
107 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 ...
6
votes
0answers
28 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
292 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 ...
6
votes
0answers
121 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
414 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
150 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
256 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
524 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
217 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
533 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
27 views

Bash: How to avoid variable name substitution when using auto-completion?

I'd like Bash to stop removing variable names from paths and replacing them by their values. I tried several 'shopts' settings in various bash versions but was not successful in keeping a variable ...
5
votes
0answers
94 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
144 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
787 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
556 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
191 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
974 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
395 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
633 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
73 views

how to transfer files from canon cameras over wifi?

Canon cameras like powershot s120 and sx600hs have wifi capability. How could that be used with linux to transfer images and videos without involving Windows in any way?
4
votes
0answers
67 views

Restart a specific reverse ssh tunnel?

I have multiple machines in the wild that open reverse ssh connections to my server. Each machine out there is using a different reverse ssh port, which I use to differentiate between the machines. I ...
4
votes
0answers
92 views

Linux - mount command returns zero/0 but not working

Sounds strange, I have a shell script that it gets trigger by udev rules, to mount attached USB device to the system file tree. The script runs when an usb device attaches to system, so the rules ...
4
votes
0answers
66 views

Is it possible to make an exec call that “returns”?

Is there a way to make the exec system call work like a function call that returns instead of totally replacing the current process image? My motivation is trying to integrate two shells with ...
4
votes
0answers
99 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 ...
4
votes
0answers
63 views

rm -rf ~/.Trash/* doesn't work, Mail Attachment.eml:OECustomProperty unable remove

I'm on OSX10.10.3, I've had a file in my trash for about 6 months or so. I have a file in my trash, 2 actually. That are from my mail cache that I dumped since I don't have the space on my SSD for my ...
4
votes
0answers
61 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 ...
4
votes
0answers
76 views

Disable networking only inside of a single terminal

I want to run a command in the terminal to disable networking, just in that terminal. How can that be accomplished? I'm running OSX. Note: I only want to disable the networking in that terminal. ...
4
votes
0answers
44 views

Does managing cgroups require root access?

I am trying to work with control groups on two different operating systems (Ubuntu and Centos). There are few concerns that I would like to ask. I am trying to create a control group using the ...
4
votes
0answers
48 views

How do I change key bindings based on which window is focused?

I have these lines in my i3 config right now: # Play/pause, prev, next bindcode 172 exec "/opt/playerctl/bin/playerctl play-pause" bindcode 173 exec "/opt/playerctl/bin/playerctl previous" bindcode ...
4
votes
0answers
57 views

How to make zsh correct remember my decision

I have enabled correction (I wouldn't call it autocorrection specifically because of this issue) in zsh by enabling setopt correct in my .zshrc. Now, when I type dtae in a terminal, I get: dtae ...

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