Unanswered Questions
47,251 questions with no upvoted or accepted answers
19
votes
1answer
612 views
I accidentally backed up /proc/* , and now I'm stuck with a 28Tb file called “cifs2695” that I can't remove!
Recently my boss asked me to backup a Ubuntu 16 workstation. I wanted to preserve all the libraries and system files, since we have C++ code that can only compile on that particular machine. Being ...
16
votes
0answers
1k views
Why does ZFS scrub not complete?
First off let's start with what I'm running. This is a home media server running Ubuntu 16.10. I have one pool of mirrored 6 terabyte drives that are about half full. I built the system about a month ...
15
votes
0answers
5k views
How to disable sudo related logging for successful command execution under CentOS/Fedora?
You can disable sudo related log messages via adding something like
Defaults:juser !syslog
to the sudoers file.
That will disable logging to syslog. But under e.g. CentOS/Fedora there is an auditd ...
14
votes
1answer
5k views
Random “deauthenticating by local choice (Reason: 3=DEAUTH_LEAVING)”
I'm running
uname -r
4.10.6-1-ARCH
on my dell XPS 13 developer edition (2014). I'm currently having strange problems with my wifi (I use Networkamanger with nm-applet for KDE):
1) at the most ...
14
votes
1answer
3k views
How can I calibrate Zathura's zoom levels to my monitors?
I'm using Zathura (using the MuPDF plugin) to review various layouts for printing. It's important to me that I'm looking at things approximately the same size as they will come out on paper. I realize ...
13
votes
0answers
1k 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[...
13
votes
1answer
3k views
Overriding gtk3 theme colors
I'd like to achieve something I thought would take a couple of seconds and turns out to be a nervous breakdown: override a theme's selected item color in a GTK3 theme.
At first, I naively though that ...
13
votes
2answers
3k views
Let's Encrypt - Apache - OCSP stapling
I would like to enable OCSP stapling in my Apache server. I'm using:
Server: Apache/2.4.7 on Ubuntu
Certificate: Let's Encrypt
To the file:
/etc/apache2/sites-available/default-ssl.conf
I added:
...
13
votes
1answer
704 views
User-based GPU priority
I have a computer running Linux (Kubuntu 14.04.3 LTS x64), where I use the CUDA toolkit to perform some computations on some Nvidia GPUs.
I share the computer with a few other users. How can I define ...
13
votes
1answer
1k 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 ...
12
votes
1answer
574 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
...
12
votes
1answer
3k views
Cannot connect to WiFi with nmcli, although secrets are provided
I am using nmcli on ArchLinux (version 1.14.5dev+17+gba83251bb-1 from the official package repository) to connect to wifi. This works perfectly for all wireless networks apart from this one Vodafone ...
12
votes
0answers
335 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 ...
12
votes
0answers
9k views
Performance comparison of e1000 and virtio-pci drivers
I made a following setup to compare a performance of virtio-pci and e1000 drivers:
I expected to see much higher throughput in case of virtio-pci compared to e1000, but they performed identically.
...
12
votes
2answers
4k 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 ...
