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

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Formatting hard drive works on windows, not on linux

Alright this is driving me crazy. About a month ago I finally migrated to Linux almost exclusively (I only use windows for gaming these days) and so decided to migrate my data storage as well. I ...
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Windows 8: Drive partition is missing

wanted to run 2 operating systems on the same laptop so downloaded manjaro ( I have windows 8). When i opened 'Gparted' (after booting manjaro) in order to partition my disk i got the message ...
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Can't get Windows 8.1 to appear in loader list in GRUB

I have a Dell laptop with Win 8.1 preinstalled and wanted to dual boot to Linux. So I partitioned off 100gb of the main and only hard drive and installed Kali Linux (Debian 7). It asked if I wanted to ...
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Apache2 server won't restart after replacing server.crt with server.crt from ca

I'm trying to enable ssl (tls?) I ran into these errors and I have these questions. Why did apache not restart? And how do I get it to restart? Replacing restart with start does not work. Could ...
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5 views

Mercurial commands take more than 20 seconds when run as root-user

when I call any mercurial command (hg init, hg status, hg manifest, hg add, etc) as root user, the commands take more than 20 seconds to complete: # time hg init real 0m25.226s user 0m0.156s ...
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1answer
9 views

Sample cron job run but gave errors

I have sample script that backup my site. www folder and database. When is running It's get this error tar: unrecognized option `--transform' Try `tar --help' or `tar --usage' for more information. ...
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1answer
10 views

How to collapse all trees in htop?

I would like to be able to collapse all the trees in the default view of htop. Is there a way to achieve that at once, instead of selecting every tree and hitting F6?
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8 views

Backtrack 5 R3 not detects laptop in build Wi-fi card

I installed Backtrack 5 R3 in to my laptop and after perform airmon-ng command in the terminal it shows nothing. So can anyone tell me how to configure my Wi-fi to the backtrack Thanks &Regards
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1answer
7 views

How to edit options logged out in Skype for Linux?

I need to edit my Skype preferences without logging in, but I don't see "Options" in any menu. What to do? In my case, I have to edit proxy settings to be able to connect to Skype. There is no ...
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1answer
14 views

Sudo usermod -a -G is totally ineffective

Really simple, I run the following in Ubuntu 14.04 Server, logged in as max: sudo usermod -a -G www-data max When I run groups as max after doing so, www-data is not in the output set of groups. ...
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1answer
18 views

How to set DNS entry with no domain in local network?

I would like to refer local network computers with short DNS names, without full multilevel path. What is required for it? Probably I need to know terminology or something. I wish to configure both ...
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9 views

SELinux Error with chcat “Requires at least one category”

I have been trying to figure out what's wrong with my chcat syntax. I keep running into this issue: root@dangerzone:~# chcat -l -- +SystemLow,+SystemHigh john /usr/bin/chcat: Requires at least one ...
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2answers
38 views

Linux returns “No space left on device” while copying data to a non-full USB flash drive

I'm trying to copy a file to a USB flash drive. The drive does not have a write-protect switch. df gives the following: $ df -h . Filesystem Size Used Avail Use% Mounted on /dev/sde1 ...
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2answers
26 views

How to use Continuously (-c) with grep on netstat?

How can I use netstat -c option with grep without repeating the info? Example: sudo netstat -tapc (works fine) I want to do the same but only for the http lines: sudo netstat -tapc | grep http ...
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1answer
25 views

How to compile an ISO with a kernel patch for another computer?

I recently bought an HP Stream, which is a neat, cheap laptop that I intended to install Xubuntu on. Unfortunately, I have been running into problems due to its eMMC drive. I found it seems to be ...
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2answers
17 views

In Linux, how can I determine the power consumption of my HDD?

Is there a way to determine how much power my HDD(s) are using? I'm running typical (oldish) desktop with an 848P chipset and Debian GNU/Linux 7.6 (Wheezy).
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Ubuntu fails to install cuda toolkit

I want to install cuda toolkit on ubuntu 14.04, so I downloaded cuda-repo.deb from nVidia site and then ran: sudo dpkg -i cuda-repo-ubuntu1404_6.5-14_amd64.deb But it fails. There are no error ...
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6 views

Ubuntu 13.10 can't start Unity after upgrade

Last night I ran a apt-get update/upgrade which installed several packages. This morning however, I am unable to log in...as soon as I entered my password I see just wallpaper. I've tried: ...
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6 views

files different on removable hard drive in linux

I'm having a problem with my external hard drive when using it on my linux system. I am running ubuntu with kde, and I have a 1tb hard drive (formatted in ntfs, I think). I was working perfectly when ...
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2answers
51 views

On GNU/Linux, How can I determine my CPU model name?

I know of several ways to obtain information about my CPU in a GNU/Linux environment, from cat /proc/cpuid to various utilities, see e.g. here However, none of them seems to tell me what my CPU model ...
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2answers
12 views

is there any refresh needed to update `du` command results?

I have a disk of size 80G I ran du to find that I have a directory which consumed about 60G so I found the file which caused all this a log file (had size of 60G) I deleted it and now df shows that ...
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Python script to create users and upload ssh keys to remote server from a local machine

This is what I am trying to do. I have a user list csv file containing: user1, SSHkeys/user1.pub user2, SSHKey/user2.pub Store them respectively into $username and $SSHKey Another server list csv ...
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14 views

Trying to build liquidsoap libportaudio not found

I'm trying to build liquidsoap on openSuse 12.2. ./configure is stuck at : configure: error: libportaudio not found However, when I tried installing from rpm: sudo rpm -Uvh ...
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11 views

Chrome keeps opening maximized

Chrome keeps opens up in a maximized windows while I prefer it to open in normal size. No matter how many times I resize it down it stays the same on new windows. I tried resizing the windows then ...
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20 views

Where can I find an online Linux Emulator? [on hold]

I would like to know if there are any online Linux emulators? Thanks
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2answers
27 views

Can `ls` be set to only list the first X files/directories?

I'm trying to make a command which only displays the first 30 files when the ls command is invoked. I found this method... ls | head -30 ... but it ends up spitting out the files in one long list, ...
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2answers
28 views

What is the file “-”, and why can only stat see it?

I'm using Ubuntu 12. When I type into my terminal stat -, I get the following output: File: ‘-’ Size: 0 Blocks: 0 IO Block: 1024 character special file Device: ch/12d ...
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2answers
27 views

Command “find” -exec replacing string

I'm trying to find JPG files in a folder tree to execute the command "" to transform it to PDF. The problem is that the code I am running leaves the file in the same directory and I want to move it ...
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1answer
16 views

Stop automatically scanning for Wi-Fi on Linux Mint

How can I disable the automatic scan for other Wi-Fi networks when I'm already connected on Linux Mint? I have an HP laptop with touchscreen buttons and the Wi-Fi button doesn't act as usual. It ...
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31 views

Wireless internet connection consistently keeps dropping out after a few minutes of use on Linux Mint

My new installation of Linux Mint 17.1 32bit Cinnamon edition, installed as the sole OS on a Samsung N130 Netbook, consistently loses its wireless internet connection a few minutes after logging on ...
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20 views

My laptop often resumes when its lid is *closed*

I have an Alienware M17x with Kubuntu 14.10. When I suspend to RAM and close the lid, very often it will wake up after a few seconds of sleep. Sometimes not. I get the feeling it's related to how ...
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1answer
32 views

What's the easiest & most elegant way to edit files on a remote web server? [on hold]

I need to edit remote files (web application) on remote server. How do I do this most easily? Remote server is Linux web server, files are on shared hosting, where I can use FTP/SFTP, and jailed SSH ...
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Is there a way to check if driver si working correctly in VM [on hold]

Before a few weeks I had problem with one driver on Linux it was about my network card. I was unable to fix the driver and I also destroyed the Windows installtion(i was using doul boot). My question ...
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12 views

CRON @reboot vncserver?

Is there any reason per-user cronjobs running vncserver @reboot wouldn't run? When I reboot the machine and look into /var/log/syslog, I see the jobs being run, then cron saying (CRON) info (No MTA ...
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2answers
36 views

Can't start MySQL to reset root password

I've installed mysql-server on a Linux box and forgot (oops) the root password. Having looked around the internet, the general method is so: Stop MySQL (sudo service mysql stop) Start MySQL in ...
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Inheriting file permissions

So I currently have an AirPlay audio streaming service (Shairport) running on Raspbian on my Raspberry Pi. I have it configured to save the metadata for the songs that are played. For every song, it ...
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Alfa Wireless Card disconnects randomly from VirtualBox Linux Guest

I have an Alfa wireless card connected to VirtualBox running a Linux guest. It works, and I can connect to networks, but then it disconnects shortly afterwards. I have to bring the wlan0 interface ...
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1answer
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Sourcing ~/.bashrc in ~/.profile?

I'm quite new to developing under OSX and assigned some aliases and other preferences in the ~/.profile initially, however it got quite big and messy after a while because I had a lot of Environment ...
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1answer
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Permission denied (publickey,gssapi-with-mic,password)

When I ssh, I get the prompt [host@sma1 ~]$ ssh -Y c00 host@c00's password: Permission denied, please try again. host@c00's password: Permission denied, please try again. host@c00's password: ...
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1answer
14 views

Password less ssh AIX Linux

I tried to configure password less SSH from AIX to Linux. I executed the command. scp .ssh/id_rsa.pub root@10.170.163.74:/root/.ssh/authorized_keys When I execute the command and try to connect ...
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3answers
36 views

Find files then tar with wildcard

I have a series of files called: 2014111test.log 2014111test.log.stuff 2014111test.log.flibble 2014115test.log 2014115test.log.stuff 2014115test.log.flibble I want to find all the log files over a ...
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1answer
29 views

How to make tap interfaces persistent after reboot?

Some tasks requires having tap interfaces configured + assign ownership. So, I am doing it manually: sudo tuntap -u <username> sudo ifconfig tap0 up sudo ip a a 192.168.1.1/24 dev tap0 or ...
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3answers
48 views

Find files and total their size

I'd like to find a series of files and then get a total of their disk usage. Something like this: $ find . -name 'flibble*' -ctime +90 -exec du -sh {} \; 2.1G ./flibble_116.log 2.1G ...
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1answer
31 views

guess the secret text inside a jpg file using outguess in linux

How can I get the secret content of a jpg file using outguess command without knowing the passphrase ? Before all is it possible to do so, guessing the content using outguess in linux without knowing ...
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1answer
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How can I change rename shortcut key to Enter (Return) in Thunar file manager?

Mouse hover method works for all other keys expect Enter. Editing /home/username/.config/Thunar/accels.scm has no effect and it reloads to previous values after logging in again.
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linux can not excute binary file

Recently I am doing a C++ project in Linux.I have executable file in Linux. I tried to run it and there showed an error: can not excute binary file. I saw similar questions here in SO and they said ...
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38 views

Samsung Galaxy S4 Verizon stuck in boot loop [on hold]

I have a Verizon Samsung Galaxy S4 (jfltevzw) and i had a rooted phone until it stopped working. The thing with my phone is that clockwork mod was not installing so i used safestrap... using safestrap ...
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Run TS3-Client without GUI and connect to a server

I want to run the linux ts3-client without a GUI, i found this answer related to my question, the solution helped me to get the client started but not to connect to a server. I executed the client ...
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21 views

Java Web Start seg faults when run with no arguments

We are using Java Web Start to run our java application from our webpage. When the jnlp link is clicked the jnlp is downloaded but nothing happens. No error, no popup, nothing. Running manually for ...
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1answer
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Vim from terminal can locate package, GVim cannot

So I've been installing Syntastic and JSHint for some Vim JavaScript syntax checking. which jshint returns /home/myUser/local/bin/jshint which vim and which gvim return /usr/bin/vim and ...