12
votes
3answers
174 views
+100

How to force Linux kernel to “freeze” (or nearly freeze) for a few hundred milliseconds

We are running a real-time process on a non real-time kernel (CentOS 6), and this is probably not going to change. We have a streaming video application that requires about 500 MB/s of PCIe traffic ...
1
vote
1answer
60 views
+50

No sound on linux

Have no sound on my system (opensuse 13.1 | gnome 3.12). alsamixer ALSA lib control.c:953:(snd_ctl_open_noupdate) Invalid CTL default cannot open mixer: No existe el fichero o el directorio Some ...
3
votes
0answers
50 views
+50

Replicate a complex partition structure with LUKS and LVM volumes

I have two external hard discs on an OpenSUSE 13.1 system. On one I have created a partition structure: An encrypted LVM partition (LUKS) Several volumes (10) on this LVM partition, some formatted ...
1
vote
1answer
119 views
+100

QEMU can emulate SD card from Linux but not from OSX

Short version I am trying to emulate a RaspberryPi directly from the SD card (using the same commands as presented here from MacOSX. I am using QEMU. However, the partitions on my SD card (or even ...
1
vote
1answer
44 views
+50

Given a domain-controlled group, how can I get its domain?

I'm working on an application which collects data on groups. In my application I need to collect data and the residing users of local groups and send meta-data on domain-controlled groups. My ...
1
vote
2answers
52 views
+50

pkgsrc not recognizing pkgsrc version of gcc

I have NetBSD 6.1.5 configured on a 4gb hard-drive, with 1.3GB available to use. I am trying to install Midori, a lightweight webkit based browser. There is no binary package available for 6.1.5 or ...
11
votes
4answers
727 views
+100

Drop a specific file from the Linux filesystem cache?

I know I can drop everything from the Linux filesystem cache, but is there a way to drop just one specific file? Or prevent a file from being cached? Or tell a process not to cache any files it ...
2
votes
0answers
37 views
+100

lxde: active window in task bar is indistinguishable from other (inactive)

In LXDE, the task bar shows tabs for all currently running applications/windows, as shown on the screenshot below: The problem is, I have hard time distinguishing which window is the one I am in ...
4
votes
2answers
384 views
+500

WMI-based hotkeys on not working

On my Dell latitude e6540, the WMI hotkeys Fn+Up and Fn+Down are not working. I have all necesary modules compiled in my kernel: CONFIG_DELL_LAPTOP=m CONFIG_DELL_WMI=m CONFIG_DELL_WMI_AIO=m On the ...
0
votes
0answers
27 views
+50

How to expand an iSCSI lun with targetcli on CentOS7?

I have a CentOS 7 machine with iSCSI configured. see ls output from targetcli below. I want to add disk02 to lun0 so that to the iSCSI client can see a total 869.16GB instead of 392.2GB Question: Is ...
3
votes
0answers
26 views
+50

How to setup a KDE/Gnome-Remote-Server with CentOS 6

I am planning to setup a "terminalserver" for my *nix based administrators. I would like to have a number of users, either with gnome or with kde (based on their likings) who will connect to the ...