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.

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3
votes
4answers
547 views

No more space in root filesystem, how could I increase the size?

This is my filesystem : ~  df -h -x tmpfs -x devtmpfs Filesystem Size Used Avail Use% Mounted on /dev/mapper/fedora-root 9.8G 7.6G 1.7G 83% / /dev/mapper/fedora-home 50G 27G ...
0
votes
1answer
4k views

Find log files of Linux Mint after system turned frozen

My system freezes regularly, more than once a day, sometimes right after the start of X. I have not been able to reproduce the error deterministicly. After rebooting, where do I find the old files? ...
0
votes
1answer
9 views

Visual Studio Code is always on top in Linux

I've installed VS Code in Ubuntu 14.04 LTS. When using it, it always sits on top of other windows. Not only does it sit on top of other applications like the terminal, it also sits on top of its own ...
1
vote
3answers
629 views

Dropbox system tray icon missing, not working

On an Lubuntu 15.10 machine the Dropbox icon, which tells the state of the application and allows interaction, is missing. When I start Dropbox, no matter if I'm using dropbox start, dropbox start ...
1
vote
4answers
1k views

Need to recover the hard disk space occupied by Linux from Windows

I purchased a Dell Laptop which came with pre-installed Ubuntu Linux. I installed Windows 7 ultimate.During installation I deleted the existing partitions thinking that would completely remove Linux ...
0
votes
0answers
10 views

Troubleshooting tips for SSH issue on proprietary software

I am having an issue establishing a channel with a piece of hardware that we purchased. I can SSH into the VXworks OS using both Putty (on Windows) and the Ubuntu's CLI, however, when I send commands ...
0
votes
1answer
4k views

Networking lost after update from Debian Wheezy to Jessie

I am currently setting a Virtual Machine for development purposes. I did a big part of this configuration under Wheezy, but I need some debs that were available only on Jessie. So, I've updated the ...
13
votes
8answers
5k views

How to find the uptime since last wake from standby

I want to know the uptime since the last wake from standby. The command uptime only shows the difference between current time minus the last startup time.
0
votes
1answer
11 views

Sort GPT partitions in Linux with gdisk (command s)

I have tried to sort my partitions to change the order, but when I try to use s command of gdisk, this warning appears: You may need to edit /etc/fstab and/or your boot loader configuration! And it ...
0
votes
1answer
19 views

What does a question mark after the file name mean using ls terminal command?

What does a question mark after the file name mean using ls terminal command? I am using a Mac running OS X Yosemite (v.10.10.5) When I do ls command at terminal, I get back a list of files (the same ...
5
votes
2answers
1k views

Rsync copying current directory with name

I want to copy current directory to my backup directory: I tried this command rsync -a . ~/backup/ but it just copies the current directory contents instead of creating new directory at the ...
-1
votes
0answers
9 views

Map HostName To File On Apache

I have done this a million times on Windows, but never on Apache/Ubuntu. I have my portforwarding in the router set-up and I have my host name assigned. But when I type the hostname in Chrome I get ...
0
votes
1answer
13 views

Newer version of libc6-dev package causes havoc

I have a mips64 machine running Debian Wheezy. GCC compiler installs without any issues, however, linker is having some trouble: apt-get install gcc make gcc helloworld.c -o helloworld /usr/bin/ld: ...
-1
votes
0answers
17 views

Linux: Visualize Ping by changing Screen color

I'm looking for away to easily show (so no need to read any text) students if a repeating ping is successful or not. Years ago I had a tool on Windows changing its window color from red to green when ...
0
votes
2answers
3k views

Installing multiple versions of a shared library

I am running ubuntu 10.04 and I want to use tmux 1.6. tmux has a dependency on libevent 2. My solution was to compile libevent2 and drop into /usr/local/lib then compile tmux against this lib and ...
2
votes
2answers
4k views

Cannot mount a USB pendrive

I have no problem to mount the USB pendrive from file browsers (Nemo, Nautilus, Dolphin, etc). But I have a pendrive, which cannot be mounted from the file browser. The error message is: Not ...
0
votes
0answers
6 views

How to fix “Did not find mosh server startup message.” when connecting from OS X to Linux router?

I did install Mosh on (1) a Mac OS X 10.9.5 machine, (2) a Debian 8 VM, and (3) as Entware-ng package on a router that runs an embedded Linux. Mosh connection from Mac (1) to (2) Debian is ok. Mosh ...
0
votes
0answers
12 views

Deleted a Windows folder using Linux command rmdir -rf foldername

I have a folder on a Windows 7 machine with contents in it and decided to delete it using Git Bash, namely with command rmdir -rf foldername. According to this manual ...
2
votes
1answer
27 views

How to open .rar file in fedora 23

I am using fedora 23 64 bit. I have downloaded some .rar files. After googling I have found solutions suggesting that using unrar they can be opened. But I am unable to install unrar. I have tried ...
35
votes
3answers
35k views

Why is the CPU usage reported by top in Linux over 100%?

I've seen the CPU usage go over 100%. How is this possible? Is it because I have four CPU cores, so 100% isn't really the max? Also, when a program does this, what else can I do in top besides using ...
2
votes
3answers
2k views

How do I extract a RAR archive in Linux

How can we extract a .rar archive in Linux?
6
votes
4answers
10k views

How to secure Firefox traffic (+DNS) through SOCKS proxy under Ubuntu 10.04?

I'm using Ubuntu 10.04, and starting a SOCKS proxy with 'ssh -D', and setting Ubuntu to use it with "System -> Preferences -> Network Proxy". Firefox uses the proxy, and the proxy's IP appears when I ...
0
votes
0answers
18 views

How to have error output from `ls` if target directory is empty

I'm currently learning how to use the Linux shell, getting to grips with the basic commands like cd, ls and pwd. My file structure is like so: user |-- documents |-- file1.pdf |-- file2.txt ...
5
votes
2answers
3k views

cpu load measure with hyperthreading on linux

How can I get the true usage of a multicore hyperthreading enabled cpu? For example lets consider a 2 core CPU, expressing 4 virtual cores. A single threaded workload would now show up as 100% in ...
1
vote
1answer
36 views
+50

IntelliJ: almost unreadable fonts on linux

As you can see on the screenshot, most of the text on IntelliJ renders as it should, however, on certain elements, such as the code lens, the fonts are almost unreadable. On the Help -> About I ...
0
votes
0answers
7 views

Instant log out in Samba and winbind

I'm trying to log in to my domain with ubuntu, i already configured samba and winbind, the login seems successful, but when it logs in, instantly it logs out... And then it just show this and logs ...
0
votes
0answers
5 views

Send keyboard shortcuts to guest and not host after switching workspaces on Linux

I have several workspaces inside an XFCE (though this also happened with Cinnamon). Each workspace is used exclusively for a VM in fullscreeen mode. My problem is that whenever I switch to a different ...
0
votes
0answers
13 views

Group Alias in Linux

In Linux, especially Ubuntu and Arch, is there a way to add an alias to a group name? Specifically, I have a python script which checks for the group 'nogroup', which is called 'nobody' on Arch. I'd ...
0
votes
1answer
19 views

Background process with stdOut/StdErr output in files and console

I want to SSH into a machine, start a process, write the stdErr and stdOut of the process into two seperate files while reading the stdOut/stdErr in the console. As soon as some specific lines were ...
0
votes
1answer
33 views
+50

unix:///var/run/supervisor.sock no such file

I'm running Supervisord on my Ubuntu 14.04 server and everything works fine. I deploy using a git push and upon deployment I also need to restart my application server (gunicorn) which I can ...
1
vote
1answer
16 views

I can not install the necessary dependencies for Skype for Fedora 23 x86_64

Hi I have a HP Envy dv7 with an uname -a output of: Linux MercadesBendz 4.4.7-300.fc23.x86_64 #1 SMP Wed Apr 13 02:52:52 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux lspci output of: 00:00.0 ...
0
votes
2answers
30 views

How to allow command for user www-data?

I try to execute the following PHP command to get the IP-adress from eth0. $ip = trim(shell_exec("/sbin/ifconfig eth0 | grep -i 'inet Adresse:' | tr ':' ' ' | awk '{ print $3 }'")); But i get ...
0
votes
1answer
3k views

Gnome and Cinnamon loads in fallback mode only

So I have been using linux mint for a while now. A few months ago my Gnome shell crashed and I was unable to use the full 3d features and loaded into fallback mode only. From that day (around 2 months ...
0
votes
1answer
25 views

How bad is it to swap a hard-drive back and forth a few times?

I am currently running Fedora 19 on an SSD in my Lenovo x131e, and I am considering changing over to Mint (not dual booting). I am in the middle of doing a PhD, so I have a lot of stuff on the drive ...
2
votes
2answers
4k views

OpenVPN Linux client - tls key negotiation failed to occur (FrootVPN)

I'm using the free FrootVPN service (works flawlessly on Windows). However on Linux I can't manage to get it to work. FrootVPN's support webpage is broken so I can't message their support. I know ...
0
votes
0answers
13 views

Failed to Start Light Display Manager

I was trying to install Deepin desktop environment in Arch, following these instructions, everything works perfect but I noticed that my Gnome environment started to work slowly, for instance, the ...
0
votes
0answers
9 views

Is it possible to create an alias for a drive name on Mac?

I have an external drive that I now reference via: /Volumes/FreeAgent Goflex Drive/ I wish to rename this to something that doesn't have spaces, as AngularJS's lite-server doesn't work on paths ...
6
votes
1answer
3k views

Upload only modified files to FTP server

I want to upload files from my computer to an FTP site and I don't want to upload files that are already on the server. So I need a tool that finds out which local files that are different from the ...
1
vote
0answers
8 views

`qsub` leaves “NotQueued ” in “blocked jobs”

I am working on a remote cluster (westgrid > bugaboo) on which I submit processes via a .pbs file. My .pbs looks like this #!/bin/bash #PBS -l procs=1 #PBS -l walltime=100:00:00 #PBS -N ...
0
votes
1answer
25 views

Changing my shell bash script default $PWD to it's (the script's) current location

Hey I'm running my shell script that interacts with folders and files, but my $PWD that it keeps pointing to /home/MyUserName directory and this messes with what it is supposed to do. I am running ...
1
vote
1answer
5k views

XBMC launching external applications full screen

Running xbmc-standalone (Eden) on Ubuntu server edition 12.04 (no gnome/kde/etc...). When launching another application via 'advanced launcher' or other launcher add-on XBMC goes into a 'windowed ...
-2
votes
0answers
34 views

Only two computers can connect to the server in all the building

Hello I have an strange problem. I have to cable connections, both with an openwrt router. One is for a server, the another is for the office. In the basement of the office there is a XP computer, in ...
0
votes
1answer
9 views

g++ 4.9.2 in Cent OS 6.7 will compile but not link

I am using Centos 6.7 and have installed the devtools-3 distribution and "enabled" it to make gcc 4.9.2 the default. A simple C++ program that uses regex will compile , but does not link. // ...
7
votes
4answers
447 views

How to convert an existing Windows machine to VirtualBox? [duplicate]

I have VirtualBox installed on my Linux machine (Debian). I need to move a physical Windows 7 machine into my VirtualBox. How to convert a physical Windows OS to VirtualBox?
-1
votes
0answers
22 views

An Executable to clean up ram in MAC?

I was searching if I could clean up RAM with terminal and I came across few resources. I found one way it could be done is to use the command sudo purge in the terminal window, but I really don't ...
7
votes
7answers
3k views

Why can I move things to /dev/null despite it being a pseudo-device represented by a file?

I always thought of /dev/null as a black hole, in the way that all data I send there will not be echoed back. However there's a problem with that definition. According to Wikipedia: /dev/null is a ...
-1
votes
0answers
10 views

Installing Fedora 23 x64 in Legacy Mode with Windows 10 (USB installation)

I was trying to install Fedora 23 x64 with Windows 10 x64. My computer doesn't support UEFI mode, just legacy. My problem is when I plug the usb in BIOS just identify an UEFI USB. If I boot it from ...
0
votes
0answers
11 views

Get my Windows box and a Linux Oracle VM instance to talk to each other and the web

I'm running Windows 7 and the latest version of Virtualbox. I have an Ubuntu VM instance running and I would like the VM & my native OS to talk to each other & the web. Following advice I ...
0
votes
0answers
12 views

Updated Ubuntu to 16.04, maybe GCC didn't get the memo?

Upgraded to "Xenial Xerus" (from Trusty Tahr 14.04 LTS) on release day using do-release-upgrade. Last night just for kicks I was playing with the -S switch on GCC and I noticed that the second last ...
0
votes
2answers
7k views

getpassword error: Inappropriate ioctl for device vnc error

I installed tigervnc-server package in server. [root@localhost ~]# rpm -qa tigervnc tigervnc-1.1.0-16.el6.x86_64 Created a vnc user and created vncpasswd also for that user. [root@localhost ~]# ...