Unanswered Questions
59,071 questions with no upvoted or accepted answers
17
votes
4
answers
8k
views
Microphone volume on USB soundcard very low, snd_usb_audio options?
I have a C-Media USB soundcard installed on my Raspberry Pi: Bus 001 Device 004: ID 0d8c:0008 C-Media Electronics, Inc.. It is a USB cable with an XLR end on the other side, to which I have an XLR ...
16
votes
2
answers
14k
views
How to deal with freezes caused by autofs after network disconnect
I mount four servers (3 via cifs, 1 via sshfs) using autofs.
auto.master
/- /etc/auto.all --timeout=60 --ghost
auto.all
/mnt \
/server1 -fstype=cifs,rw,credentials=/etc/.smbcredentials....
15
votes
0
answers
10k
views
State of LVM raid compared to mdadm
LVM and mdadm/dmraid both offer software RAID functionality on Linux. This is essentially a follow-up to a question from 2014. Back then, @derobert recommended using mdadm over LVM RAID due to its ...
15
votes
2
answers
4k
views
Benefiting of sched_autogroup_enabled on the desktop
I am running a 2.6.37 kernel with sched_autogroup_enabled set to 1. I am not certain that I am seeing the benefits of this patch since:
I am launching my applications from the desktop;
applications ...
14
votes
1
answer
5k
views
How can I make a device available inside a systemd-nspawn container with user namespacing?
I would like to mount an encrypted image file using cryptsetup inside a systemd-nspawn container. However, I get this error message:
[root@container ~]# echo $key | cryptsetup -d - open luks.img luks
...
14
votes
1
answer
826
views
Disabling system modal behaviour of GNOME 3 password prompts
When GNOME Keyring, needs a password to add an SSH key to the agent, it pops up a system modal prompt to get the password from you. I use KeePass, so this means that if I forgot to copy the password ...
13
votes
0
answers
2k
views
Devilspie on Wayland
I have just upgraded to Ubuntu 17.10 and I'm now using Gnome 3 native over Wayland. My problem is that I have been using devilspie to place windows on the screen in the desired position. I also use ...
13
votes
1
answer
680
views
How to increase sound volume on eMac P69 running FreeBSD 10.3?
I've got FreeBSD 10.3 (PowerPC) installed on eMac P69.
I'm using MPlayer to test loudness. I already use -af volume=10:1-like options but they tend to distort sound pretty quickly + it is not really ...
13
votes
3
answers
1k
views
Emacs slow loading time with AUCTeX on TeX files
I installed the auctex and emacs packages on two Xubuntu 14.04 computers, both of which have been working fine. Emacs itself works fine on both, but now with the auctex package installed, when I load ...
12
votes
0
answers
3k
views
What network connections are not seen by netstat/lsof/ss?
Network monitoring tools ss, lsof -i, netstat -ltupw and similar have limitations like namespace and thus they don't show the whole machine connections. (for namespace created with ip we can see other ...
12
votes
0
answers
3k
views
Smartcard "sharing violation" when using OpenSC and GnuPG
On my Linux machine (Arch Linux, up to date as of this post) I am having trouble using both the OpenSC PKCS11 module and GnuPG.
It seems like while an app using the PKCS11 module is started (in my ...
12
votes
1
answer
2k
views
Stackable file system that works like a cache
I am looking for a stackable file system (Like UnionFS, aufs, and OverlayFS) that works similar to bcache or lvmcache but on file level - not on block level:
Reads will be done from top-layer. If the ...
11
votes
1
answer
4k
views
KVM clipboard sharing with client running Wayland
I have Fedora 35 installed as a VM, with Qemu/KVM as the hypervisor and virt-manager as the graphical front-end, running under Manjaro KDE.
Following numerous guides & answers I have managed to ...
11
votes
1
answer
2k
views
How to change the keyboard layout for a single application in Awesome WM?
I've added keyboard shortcuts to set the global keyboard layout, but how do I set it for a single application? The reason I'd like to do this is that I'm used to QWERTY for gaming, and I'd rather not ...
11
votes
1
answer
4k
views
Enabling 3D acceleration in Debian stable
I installed Debian Wheezy on my daughter's desktop computer. It has Intel i5-4570 (Haswell) CPU and integrated Intel HD 4600 graphics chipset. No discrete graphics card.
I'm unable to enable 3D ...