Unanswered Questions

16
votes
3answers
1k 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 ...
16
votes
1answer
968 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 ...
11
votes
1answer
123 views

Do CUPS clients need to have PPDs installed locally?

Should CUPS clients need to have PPDs added locally, i.e., should I pass them to lpadmin -P? These clients print via a local print server to a remote print server (ipp://) which I assume is set up ...
11
votes
4answers
739 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 ...
10
votes
3answers
277 views

What is the IPsec bottleneck in Linux?

I am trying to compare the performance of several network security protocols between two hosts connected in Gigabit Ethernet. My goal here is to see if I can saturate my bandwidth, and if not, what ...
10
votes
1answer
1k views

Debian systems seems to recognize speakers but not the headphones for Lenovo laptops

First of All, I know there are lot of questions out there on same topic but still I could not figure out the solution. Being a average system level programmer (beginner in kernel programming) I would ...
9
votes
2answers
470 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 ...
9
votes
0answers
318 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 ...
9
votes
2answers
732 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 ...
9
votes
2answers
499 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 ...
9
votes
3answers
772 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 ...
8
votes
0answers
118 views

Disks (in usb enclosure) keep waking up even when not mounted

Setup I have USB enclosure (Buffalo DriveStation Quad) containing four drives connected to my nas server (ubuntu server 14.04). The enclosure is configured to JBOD mode, so I'll see all the disks in ...
8
votes
1answer
178 views

Middle-click scrolling with ThinkPad/avoid pasting

I have a ThinkPad USB keyboard, and I want to be able to use the middle click both for pasting and scrolling. This works on my ThinkPad laptop. On the laptop, if the middle click button is held for ...
8
votes
0answers
992 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 ...
8
votes
0answers
217 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 ...

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