Unanswered Questions
60,107 questions with no upvoted or accepted answers
23
votes
1
answer
18k
views
Chrome crashes with subprocess module and missing CPU frequency files on Ubuntu 21.10
When I open Chrome with a Python module named subprocess, it crashes and gives me these errors:
[1103/163807.480539:ERROR:file_io_posix.cc(144)] open /sys/devices/system/cpu/cpu0/cpufreq/...
- 331
18
votes
2
answers
4k
views
How to exit from videotest in the grub?
I am checking different video resolutions in the grub menu by using videotest and vbetest programs and can't go back to the grub command line, after using this programs. System doesn't respond - like ...
- 4,215
18
votes
1
answer
3k
views
zsh can't input to terminal when piping stdin and stdout with variable command that has tty output
System info:
macOS Sierra 10.12.6
zsh 5.4.2 (x86_64-apple-darwin16.7.0)
GNU bash, version 4.4.12(1)-release (x86_64-apple-darwin16.3.0)
Scroll to the EXAMPLES at the bottom if you just want to dig in ...
- 528
17
votes
1
answer
3k
views
wpa_supplicant end process if wrong password detected
Normally when I run wpa_supplicant I'll get some output like this:
Successfully initialized wpa_supplicant
ioctl[SIOCSIWAP]: Operation not permitted
ioctl[SIOCSIWENCODEEXT]: Invalid argument
ioctl[...
- 10.7k
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 ...
- 421
17
votes
3
answers
8k
views
Fractional scaling in GNOME + Wayland above 200%
I've successfully enabled fractional scaling on my GNOME 3.38 + Wayland in Arch as stated here:
https://wiki.archlinux.org/index.php/HiDPI#Wayland
However, in gnome control center it now only shows ...
- 3,619
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
...
- 936
14
votes
1
answer
776
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 ...
- 241
14
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 ...
- 980
14
votes
2
answers
13k
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....
- 348
13
votes
0
answers
9k
views
State of LVM raid compared to mdadm
LVM and mdadm / dmraid are both offering software RAID functionality on Linux. This is pretty much a follow-up post to this question from 2014. Back then, @derobert recommends to prefer mdadm over LVM ...
- 332
13
votes
1
answer
4k
views
Is it possible to change systemd private tmp directory?
I am running some programs on both Debian and Fedora. When I ls the /tmp directory, I see many directories with extremely long name like
systemd-private-d85027...-bluetooth.service-qxzMGm
systemd-...
- 539
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 ...
- 231
13
votes
1
answer
662
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 ...
- 4,893
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 ...
- 461