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
972 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
129 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
745 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
300 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 ...
10
votes
0answers
330 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
488 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
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
219 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 ...
9
votes
2answers
733 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
0answers
269 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 ...
9
votes
2answers
500 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
775 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
1answer
124 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 ...

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