Questions tagged [linux]

A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

17,492 questions with no upvoted or accepted answers
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11
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2answers
1k views

“Open File” dialog box takes a long time to appear on all applications

On Ubuntu 14.04. While using KeepassX, I tried to open a database with the Ctrl+O shortcut, but it appeared to crash with a non-responsive window. I then noticed the same behavior with Firefox, gedit,...
11
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1answer
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How to know which file or inode triggered a systemd.path unit?

Systemd offers unit files whom control monitoring of a certain path trough inotify: systemd.path(5). If a file or directory is modified in the watched path the corresponding systemd.service(5) is ...
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0answers
750 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 "${...
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0answers
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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
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1answer
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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&...
9
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1answer
3k views

How can I prevent the kernel from limiting TX power as advertised by AP

I am connecting to eduroam over a distance of about 150m using an external 23dBm Antenna and an Ubiquiti SR71-E with an Atheros AR9285 chip. My system is Debian Jessie server - so the connection is ...
9
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0answers
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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....
9
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2answers
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“Missing LSB tags and overrides” error on /etc/init.d script

I made a script as showed in this tutorial: http://edv-huber.com/index.php/problemloesungen/15-custom-splash-screen-for-raspberry-pi-raspbian But after executing a command: insserv /etc/init.d/...
9
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0answers
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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
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1answer
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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/...
9
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1answer
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Is Xfce supposed to run slowly on Virtualbox?

This is my first question, so I'm sorry in advance if my question is not good/descriptive enough. I'm having problems getting Xfce systems on Virtualbox to run smoothly. What I mean by slow is that ...
9
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2answers
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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 ...
9
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2answers
6k views

UTF-8 locale portability (and ssh)

I spend a lot of my time sshed into various machines, all of which are different (some are embedded, some run Linux, some run BSD, &c.). On my own local machines, however, i use OS X, which of ...
8
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1answer
6k 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 ...
8
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1answer
201 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'...
8
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0answers
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Samba execute permission is always set

I have a Ubuntu 14.04 server that exposes a samba share to Windows machine. When I connect to the share and create files with notepad, permissions are respected and files don't become executable. ...
8
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1answer
2k views

Howto run a raw-disk Virtualbox VM when using UEFI

I have a dual-boot setup on my computer with Windows 10 and Linux (Arch, if relevant). I'm trying to virtualize my on-disk Linux install in Windows (and plan on doing the opposite direction once I ...
8
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2answers
2k 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, ...
8
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1answer
1k views

fail2ban ban multiply recidive hosts

We are using fail2ban on our web-facing servers to block IP addresses that repeatedly fail to authenticate properly. Our normal bantime hereby is one hour; IPs that have already been banned multiple ...
8
votes
2answers
669 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-...
8
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0answers
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How to install libwebkit (libwebkitgtk-1.0.so.0) in order to run CodeLite?

A pre-requisite for running codelite is WebKitGTK. codelite: error while loading shared libraries: libwebkitgtk-1.0.so.0: cannot open shared object file: No such file or directory I'm on CentOS, ...
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0answers
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Dual page view in MuPDF?

I am really liking using MuPDF. Is there a way to enable a dual page view? Or, does it just display whatever was the original formatting/specification during the creation of the PDF? http://www.mupdf....
8
votes
1answer
3k 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 ...
8
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0answers
473 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 ...
8
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1answer
3k views

Murrine engine on GTK3?

I'm trying to use a GTK theme which requires the Murrine engine, so I installed gtk2-engines-murrine from apt-get. It works fine in most apps, but some such as nm-applet segfault as soon as I try to ...
8
votes
1answer
2k views

How to disable CD-ROM/DVD-ROM polling during boot in Linux?

I have a Dell XPS L501X laptop dual-booting Linux Mint 12 "Lisa" (x64) and Windows 7. It has a TSSTcorp DVD+-RW TS-L633J DVD drive, which generates a lot of vibrations and noise whenever data is being ...
8
votes
1answer
1k views

sshfs: cannot set file timestamp

Using sshfs with autofs on Ubuntu, I cannot set timestamps on remote files: $ touch /sshfs/server/some/file touch: setting times of `/sshfs/sshfs/server/some/file': Permission denied I do have write ...
8
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0answers
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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 ...
8
votes
2answers
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 ...
7
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0answers
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Why tick_sched_timer uses so much power on Linux

According to my powertop (on 5.3.1 kernel): Power est. Usage Events/s Category Description ... 3.85 W 7,7 ms/s 437,0 Timer tick_sched_timer 3....
7
votes
1answer
617 views

certbot: error: unrecognized arguments: --dns-digitalocean-credentials

Trying to execute this command sudo certbot certonly --dns-digitalocean --dns-digitalocean-credentials ~/.secrets/digitalocean.ini -d "*.example.com" --preferred-challenges dns --server https://acme-...
7
votes
2answers
193 views

Can I crop an image without fully loading it into memory?

I managed to generate a PNG image with a fractal. The image is 65,536 pixels high and 65,536 pixels wide. It’s too big to be decoded into memory and displayed. It has probably a lot of unused space ...
7
votes
1answer
440 views

Multiple operations with pdftk

I am using pdftk to perform some operations on PDFs. Right now I am doing it like this: pdftk <files> OPERATION <options> output - | \ pdftk - <other files> OPERATION <options>...
7
votes
1answer
2k views

OSX: gpg command error, dyld: Library not loaded:

After I migrating my MacBook, I found out I miss the command gpg. And it threw this error when I wanted to install rvm ⋊> ~ gpg 15:...
7
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0answers
622 views

Moving mouse in iTerm causes characters to be to printed to prompt

I am having an issue with iTerm that happens to me intermittently. When I am using iTerm and I move the mouse up and down, or click a bunch of random characters are printed to the prompt: I am in a ...
7
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0answers
482 views

Simulate two root windows on single monitor with use of RANDR extension

This question might seen similar to Emulating extra displays but it's different in the important detail. Suppose I'd like to test a feature for certain window manager with multi monitor support using ...
7
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0answers
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Magic Trackpad 2 with Fedora 25

I'm trying to make my Magic Trackpad 2 work on Fedora with all it's features (or at least some basics). The current (default) state is moving the mouse and left-clicking work out of the box, but right ...
7
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2answers
933 views

Linux UI frequently freezes for <1 second

The Linux Desktop (Xubuntu 16.04) freezes frequently (multiple times a minute) for less than 1-2 seconds and then returns operating normally. During the freeze only the mouse cursor is movable. The ...
7
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0answers
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 ...
7
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2answers
6k views

How can mounting a VeraCrypt drive be done without root in Linux?

I used TrueCrypt for a long time in Kubuntu, in which I used a keyboard shortcut to automatically mount a drive. Nowadays I use VeraCrypt, but I am always prompted for my sudo password after entering ...
7
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2answers
2k views

Can I keep firefox running in the background?

I'd like to keep Firefox running in the background for quick opening of new windows (on Lubuntu with i3). Is this possible by changing settings, installing extensions, etc.?
7
votes
1answer
734 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 ...
7
votes
1answer
2k views

Using directory as initrd in QEMU

Is there a way to use a directory as initrd when booting QEMU? I know how to use the -kernel and -initrd flags for QEMU to boot a kernel and initrd without needing to first create a bootable device ...
7
votes
1answer
331 views

locked Ubuntu screen - apps do not detect locked status

I use Ubuntu 12.10 (happens also in 14.04) but I did not really like Unity GUI because of performance issues and total inability to easily customize launcher. So I switched to Xubuntu, which is much ...
7
votes
1answer
1k views

Linux compatibility layer for Mac OS X

I have a closed-source piece of Linux software written in a combination of Java and C. The application installs on my Mac (it uses InstallAnywhere), however, it isn't intended to run on a Mac. The ...
7
votes
1answer
1k views

FreeBSD compatibility layer on Linux

I am aware of Linux mode on FreeBSD, where Linux binaries can seamlessly be executed in FreeBSD. From the FreeBSD handbook: In effect, there is a Linux kernel in the FreeBSD kernel. The various ...
7
votes
1answer
868 views

Dropbox causes xorg to use 100% CPU

For some time, I noticed that my xorg process uses up between 60 and 100% of the CPU (according to top). I also noticed that interactive work becomes sluggish, even on my multi-core i7 processor. ...
7
votes
2answers
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: ...
7
votes
2answers
14k 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/...
7
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2answers
20k views

How can I mount a single RAID 1 disk/partition as ext3?

I need to copy data from a single HD, which used to be part of a Linux RAID 1. I've googled around, but can't find any clue how to mount partitions from this single HD. Background: The HD comes from ...

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