Unanswered Questions
12,478 questions with no upvoted or accepted answers
18
votes
2
answers
4k
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 ...
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 ...
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 ...
10
votes
0
answers
3k
views
Persistent network namespace configuration
When creating a namespace with ip netns add <namespace> the namespace and its related config are deleted on reboot along with created interfaces like veth pairs. What is the correct way to:
...
10
votes
0
answers
1k
views
What does hierarchy support do in cgroup?
cgroup has 2 options for memory control:
memory.use_hierarchy = 1 : use hierarchy
memory.use_hierarchy = 0 : use flat hierarchy, according to this answer
What is the difference between the two? I ...
9
votes
1
answer
529
views
Understanding linux Ethernet devices
I have a small, embedded, completely self cross-compiled installation on a mips SoC.
SoC is based on a Mediatek MT7628 sporting a Wifi interface (2.4MHz only), a 100Mbps Ethernet MAC and an internal ...
9
votes
0
answers
9k
views
ASUS Zenbook UX433/UX333 --- Configure Touchpad-embedded numpad on Linux
I have an ASUS Zenbook UX433,on which ASUS decided to innovate by embedding a Numpad inside the touchpad (see picture 1).
Toggling between classic touchpad mode and numpad (also turns the touchpad ...
9
votes
0
answers
12k
views
Accessing regular linux commands in Huawei's Dopra Linux
Backstory: I have a Huawei HG8245 router in my house and I want to change the default username/password. I've tried following this guide but the config file always gets reset. My ISP isn't helping ...
9
votes
1
answer
3k
views
How can I find out what is making my SLAB Unreclaimable Memory Grow without bound
My SLAB unreclaimable memory (SUnreclaim) grows without bounds and this appears to be the reason why my system eventually runs out of RAM and starts trying to swap until it dies.
Here's a graph of my ...
9
votes
1
answer
1k
views
Check syntax of .conf file in /etc/X11/xorg.conf.d
I have a new .conf file located in /etc/X11/xorg.conf.d on my Manjaro Linux box which I would like to validate.
Is there a way of syntax checking it before X loads next time?
9
votes
0
answers
4k
views
lsof: list only files of a particular type
The lsof man page is a bugger to read. I've tried, but wonder if I've missed something.
Is there a way without using pipes to have lsof list only files of a given TYPE?
In particular, I'm interested ...
9
votes
1
answer
5k
views
Linux 3.x fails assigning PCI BAR memory
I got an IBM x3850 type 8864 machine, I can successfully boot using a 2.6.32 kernel but when I try to use a 3.10 kernel or newer the kernel fails to initialize all PCI slots (I can fix this (manually),...
9
votes
1
answer
2k
views
Tmpfs with overflow on disk?
I'm looking for a way to have a tmpfs-like file system that can be unlimited in size, but will use a specified amount of RAM after which the "oversize" data will be stored on another disk-...
9
votes
1
answer
2k
views
Btrfs/ZFS Network Replication
Is it possible to replicate a ZFS or Btrfs raid volume in real-time (or as close to as possible, network specs aside) over a network?
ZFS and Btrfs are ideal because of their CoW properties.
I'm ...
8
votes
0
answers
2k
views
hwinfo --framebuffer shows nothing, can't change grub resolution
I am using a Lenovo Yoga C940 15" with Fedora 34. It has a 4K screen with an nvidia gtx1650 mobile card and integrated intel graphics. I wanted to change the resolution of the GRUB menu because ...