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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 ...

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