Unanswered Questions
26,226 questions with no upvoted or accepted answers
16
votes
3
answers
6k
views
Windows 7 DSCP and 802.1p QoS Mapping?
When I create a QoS policy in Windows 7 through the Group Policy editor and set a DSCP value, does Windows 7 add the 802.1p QoS field to the Ethernet frame? If so, how does it map the different ...
14
votes
1
answer
1k
views
Trap on DEBUG signal for the dash shell?
With the bash shell, you can install a trap on the synthetic DEBUG signal. This is useful and will execute your function or bit of code on every shell command. For example:
$ trap 'logger -t shell "${...
13
votes
2
answers
4k
views
Why my SUnreclaim is too high (issues with having free memory)?
I have lot of memory (32Gb) on my laptop though still have issues with having amount of free memory. I am using linux (Fedora 27) and this happens after while since reboot.
If you check free output, ...
13
votes
1
answer
2k
views
Limit Disk Usage of WSL2
As the title already states, I want to limit the disk usage of the Linux subsystem. I'm trying to build huge projects on the WSL while using Windows normally...
I already limited the RAM and CPU usage ...
12
votes
1
answer
4k
views
How do I move a KDE plasma panel, from commandline/scripts?
I Have a script that change my desktop layout using xrandr,
but I also want to move my Panel.
So far I played round with kwinscripts, using
qdbus org.kde.plasmashell /PlasmaShell org.kde.PlasmaShell....
12
votes
2
answers
6k
views
Can't unlock system settings (such as network settings) to edit in xubuntu
I can't change any settings nor install anything using the xfce GUI on my xubuntu 14.04. Some setting-windows have that unlock button you usually click to enter your password to gain root privileges, ...
12
votes
1
answer
1k
views
Using diff-highlight with Git GUI
Is there a way to use diff-highlight with git gui?
The extra highlighted info is invaluable when comparing lines that only changed a bit, and while using diff-highlight from the terminal (described ...
12
votes
1
answer
6k
views
Sierra Wireless AirCard 313U (AT&T Momentum 4G) on Ubuntu Linux
I'm trying to get a Sierra Wireless AirCard 313U (more specifically, the AT&T Momentum 4G) working under Ubuntu Linux.
I've looked at a number of pages so far:
How to connect internet using AT&...
11
votes
2
answers
5k
views
Verizon USB551L 4G Stick on Linux
I have been trying to get a Verizon USB551L 4G USB Stick working on Debian Linux. I have been able to get it to connect, but it always disconnects after 10 secs to 2.5 minutes, then it cannot connect ...
10
votes
0
answers
5k
views
How to move/reinstall flatpak apps from user to system or viceversa?
I am using Pop!_OS 21.10. By default, the Pop!_Shop installs flatpak on user mode, which is annoying because I have multiple users on the system.
I have now added the Flathub repo system-wide, so now ...
10
votes
1
answer
10k
views
Raspberry Pi won't bring up wlanX interface - multiple wireless interfaces
Let me jump straight in.
I am using a raspberry pi 3 running latest version of raspbian (pixel) as a router/wifi hotspot
I have 3 wireless interfaces:
built in wifi interface (brcmfmac)
TP-Link ...
10
votes
0
answers
2k
views
Why systemd doesn't try to stop (some) processes on session termination?
When I try to close a logind session (by logging out), some processes remain running under the session, preventing it from properly terminating, resulting in [email protected] not terminating either. I'...
10
votes
3
answers
2k
views
Attach to the same tmux session from different nodes of a cluster
I'm working on a computing cluster which has several hundreds of nodes. A load-balancing scheme picks an idle node to login to when ssh-ing into the cluster. As a result, it is very unlikely to re-...
10
votes
1
answer
2k
views
Problems with tmux, mutt, and terminal colors
If I start mutt in a tmux session like this:
$ tmux new-session -s mutt mutt
Mutt complains:
Error in /home/lars/.mutt/colors, line 20: 230: color not supported by term
Error in /home/lars/.mutt/...
10
votes
1
answer
5k
views
xkb set keyboard level 3 chooser to ctrl+alt
The title says it all: I'm interested to mimic the Windows behavior, where Left Ctrl + Left Alt acts as a 3rd level chooser. This is relatively important to me, because, as a programmer, on my ...
10
votes
1
answer
716
views
How to interpret state and log files written by preload program in Linux?
Preload is a program which prefetches files from the disk needed by various applications to reduce application startup time. It seems to be very popular and useful (just google preload+linux) but the ...
10
votes
0
answers
2k
views
webdav davfs2 input/output error
I've got a box.com account configured in a Linux system so a user can mount it in a certain mountpoint and access its contents. It is declared in fstab as:
https://www.box.com/dav /media/box davfs rw,...
10
votes
1
answer
1k
views
Gnome 3 move window to 2nd monitor?
I am running Mint Linux 12 with Gnome 3. My setup has 2 screen. I am wondering if there is a program to move the windows to a 2nd monitor? Something like display fusion for Linux that makes a button ...
9
votes
2
answers
6k
views
NTFS external hard drive formatted on Linux is not recognized by Windows
I fully formatted a hard drive in NTFS on Linux from a completely empty (zeroed) drive and it is not recognized by Windows 10. It is not listed in the Windows File Explorer nor with the fsutil fsinfo ...
9
votes
1
answer
4k
views
Raspberry pi wpa_supplicant can't connect on a specific wifi. CTRL-EVENT-ASSOC-REJECT status_code = 16
I'm having trouble connecting to a specific wifi using raspberry pi. Here is the output when I check /var/log/syslog:
Jun 19 09:44:52 raspberrypi wpa_supplicant[447]: wlan0: Trying to associate with ...
9
votes
1
answer
2k
views
USB tethering much slower than WiFi tethering
In my area, my home Internet will often go down due to storms. At these times, I need to tether using my 4G LTE mobile phone, which gets decent speeds of around 10 Mb/s for download and similar for ...
9
votes
0
answers
6k
views
btrfs online conversion from directory to subvolume
Is there a way to create a btrfs subvolume from a directory, without interrupting processes using files in that directory.
For instance, I want to create a subvolume for /tmp (to exclude it from ...
9
votes
1
answer
1k
views
Debian server stops booting with Unknown symbol error
After a reboot my Debian Server don't want to boot anymore.
Loding the Kernel Modules nfsd and ext4 fails with the following errors (in dmesg):
nfsd: Unknown symbol setattr_prepare (err 0)
nfsd: ...
9
votes
1
answer
410
views
Echo asterisks/passphrase as it's being typed in gnupg with tty pinentry
I'm using gnupg with tty pinentry agent to encrypt a file with a symmetric passphrase. When I'm typing it, both to encrypt and decrypt the file, gnupg's tty pinentry avoid displaying the characters I'...
9
votes
0
answers
4k
views
jenkins:Broken AVD system path. Check your ANDROID_SDK_ROOT value
I have docker-image of jenkins.
Home directory of jenkins is: /var/jenkins_home wich mapped to /home/user
So, i install android-sdk wich mapped to:
/home/user/tools/android-sdk/
When i install ...
9
votes
0
answers
2k
views
How do I install Nix on a custom directory?
I have been trying to follow the Nix wiki to install Nix on a custom path /scratch/gopinath/nix. The /nix path is not accessible to me due to the restrictions on the system provided by my university. ...
9
votes
1
answer
15k
views
What is the difference between “/usr/local” and ”/usr/share?”
I am afraid this is another of FHS questions but I was not able to find more detailed explanation which I feel I need. Yeah, I know about Uni FHS and etc, but what still feels like lacking ...
9
votes
1
answer
15k
views
wifi p2p between ubuntu 14.04 and android
I attempted to make a wifi p2p connection between Ubuntu 14.04(kernel 3.13) and Android 4.4 Kitkat(Samsung Galaxy Note 2)
In Ubuntu
I use wpa_supplicant v2.1 which is built in to Ubuntu 14.04(/sbin/...
9
votes
1
answer
4k
views
Is Xfce supposed to run slowly on Virtualbox?
I'm having problems getting Xfce systems on VirtualBox to run smoothly. What I mean by slow is that moving or resizing windows looks very "laggy" (basically just windows jumping from one ...
9
votes
2
answers
4k
views
Cannot make mobile broadband Vodafone USB connection Ubuntu 13.04
I have Ubuntu 13.04 and I bought yesterday a Vodafone USB stick for internet connection. I am located in Romania.
This is what I've did:
First Thing
Network Connections, added connection.
Selected ...