Unanswered Questions

23
votes
2answers
2k 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 ...
17
votes
0answers
446 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 ...
13
votes
2answers
851 views

What terminal emulators support tmux control mode?

tmux has its control mode, activated with -CC, to allow the terminal emulator to control tmux. iTerm2 uses this to great effect for allowing tmux windows to appear as separate iTerm windows. Are ...
12
votes
1answer
137 views

evaluation of arithmetic expansion in bash

The following line creates file_c-6.txt but outputs 5: $ i=5; ls file_a-${i}.txt file_b-${i}.txt > file_c-$(( ++i )).txt; echo $i 5 $ cat file_c-6.txt file_a-5.txt file_b-5.txt If one removes ...
12
votes
4answers
5k views

CD disk not detected by Fedora on my Laptop

I rarely use cd's on my laptop, but I recall having the same problem a few months ago. When I put a cd in my DVD drive nothing happens. It kicked in last time without me doing anything but I don't ...
11
votes
1answer
126 views

How do I activate Xorg record module on Raspbian?

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 Raspbian it keeps failing with this ...
11
votes
1answer
792 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 ...
11
votes
0answers
1k 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 ...
11
votes
3answers
476 views

Laptop VGA Output Randomly Changes Name Between VGA1 and VGA2

Periodically (every few reboots by the look of it) my external VGA output on my Laptop changes name between VGA1 and VGA2. For example right now xrandr is displaying: timp@helez:~$ xrandr | grep VGA ...
11
votes
3answers
974 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 ...
10
votes
0answers
611 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 ...
10
votes
1answer
1k views

How to fix Java applications mouse pointer offset in Awesome WM?

How to reproduce in Awesome WM v3.5.2 through 3.5.5 (so far): Install OpenJDK or Oracle Java 7. This bug has been observed with both. Start a new Awesome WM session with the default configuration. ...
9
votes
1answer
17k views

Chromium - Enabling Widevine Content Decryption Module

I am trying to enable Widevine inside Chromium in order to play video from source like Netflix. Recompiling Chromium is not really an option since I use Qt new browser that uses Chromium. I'm trying ...
9
votes
1answer
4k 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 ...
9
votes
0answers
544 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 ...

15 30 50 per page