Unanswered Questions

31
votes
0answers
876 views

Completing avfs fake directories in zsh

How can I tweak zsh's completion system to complete “fake” files in some circumstances? More precisely, the AVFS filesystem exposes archives as directories by creating a “fake directory” next to ...
15
votes
2answers
809 views

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 ...
15
votes
1answer
909 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 ...
10
votes
1answer
126 views

find out which file descriptors share the same “open file description”

If I do (in a Bourne-like shell): exec 3> file 4>&3 5> file 6>> file File descriptors 3 and 4, since 4 was dup()ed from 3, share the same open file description (same properties, ...
10
votes
3answers
666 views

Using real time kernel headers to compile userspace code vs default headers

Per customer requirements, I installed CentOS 5.6 with the default kernel. With this kernel installed, the time.h file includes the #define CLOCK_MONOTONIC. Now, a real-time kernel was installed ...
8
votes
2answers
453 views

Display problem - Random grid appears on screen

I have recently started using Arch with nvidia driver (I had a lot of problems getting nouveau to even work so I decided to try nvidia) and I started experiencing rather odd problems. Every now and ...
8
votes
2answers
416 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 ...
8
votes
3answers
703 views

Escape sequences in output of script called from ncurses application

I'm currently running mcabber as my Jabber client (which uses ncurses) in a tmux session on my homeserver. Locally i run iTerm2 as a terminal emulator, which supports the triggering of growl ...
7
votes
0answers
38 views

D-Bus authentication and authorization

I'm trying to set up remote access to D-Bus, and I don't understand how authentication and authorization are (not) working. I have a D-Bus server listening on an abstract socket. $ echo ...
7
votes
1answer
131 views

Ubuntu - No space left on device (NTFS)

I have a server which stores a lot of data, I keep many nested directories with millions of files in them. While trying to move one big directory (~700GB) from one disk to another I get an error: mv ...
7
votes
2answers
670 views

Can I color-calibrate a Dell U2413 wide-gamut monitor under Linux?

If I get a Dell U2413 wide-gamut monitor to use with Fedora for photography, will I be able to use it properly? I've got a ColorHug, and I see that there's a U2410 ccmx profile; will that get me in a ...
7
votes
1answer
643 views

Merge two audio sources with x11grab, possible?

Currently I'm running with the following setup. ffmpeg \ -i http://pub1.di.fm:80/di_vocaltrance \ -f x11grab -s 1920x1080 -r 25 -i :0.0 \ -c:v libx264 -preset fast -pix_fmt yuv420p -s 1280x800 \ ...
7
votes
1answer
569 views

Using ACLs over read only/remote filesystem

I would like to define local ACLs to be used over a remotely mounted filesystem. The filesystem is mounted via autofs and sshfs FUSE. The idea is that we could setup a jailed user on a jump server ...
6
votes
1answer
65 views

Is it possible to enlarge the / partition without rebooting?

I can enlarge the root (/) partition with fdisk without rebooting (deleting an recreating it with the same 1st sector, but greater last sector). However, I cannot make the kernel to re-read the ...
6
votes
2answers
60 views

Besides cache, what does the Linux kernel use significant amounts of memory for?

My computer feels really sluggish. According to free, I have only ~200M RAM left and more than a gigabyte had to be swapped out. I know that it is good if memory is used for caching but this looks ...

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