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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Linux Mint 17.1 not working in dual monitor mode

I’m having problems getting my dual monitor setup working in my Linux Mint 17.1 setup. There is a display app under the system menu and when I run it, it says I have two monitors (it even knows the ...
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Can a Linux OS be installed on a Windows 8.1 tablet and co-exist with Windows 8.1?

Something like what desktop machine called 'Dual-boot', so can linux os (e.g. Ubuntu or Mozillux) can be installed in a Windows 8.1 tablet and co-exist with it and allow me to 'dual-boot' either one ...
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Mount shares as regular user? [Mint 17.1]

All the shares fstab tries to mount show up in the navigation panel in Nemo for me. If for whatever reason a share didn't get mounted at startup, clicking on it tries to mount it for me. Except that ...
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smbclient - keep copying after NT_STATUS_SHARING_VIOLATION

I have a directory of files that need to be copied every night as a backup. I am using 'smbclient' to backup the files to linux machine but I am seeing an issue where if a file is locked the entire ...
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Bash - Parsing XML output of nmap

I am trying to write a bash script that will take port id I retrieve from an nmap command, and then use those ports to send a file using netcat. So I got some basic knowledge using this link, How can ...
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1answer
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Boot from a windows 7 harddrive on a linux first laptop?

I have a windows 7 hardrive from my old laptop that died. I use Ubuntu exclusively on my new computer so I never had a need to dual boot. Now, there's some info on the old drive that I want to ...
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What should I use to access NFS from console without mounting it?

Network file access | Console program | mounting option ------------------------------------------------------------ HTTP | wget / curl | httpfs FTP | ...
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1answer
14 views

Script stops when user is changed

I am trying to create a script that logs as a different user to create a database backup. So far I have encountered a few problems, such as having to input sudo password, or not being able to bypass ...
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1answer
10 views

How get reach of Grub at Debian and going to desktop environment?

Recently I installed Debian Distro of Linux as a 2nd operating system, When I chose the Debian operating system during boot, a command prompt (like to Terminal at Ubuntu) starts with message "Welcome ...
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6 views

Note: further occurrences of Parameter errors will be logged at DEBUG level Apache tomcat, How do I keep getting these?

I'm running tomcat 6, and I get a warning ONCE, follow with that note, Note: further occurrences of Parameter errors will be logged at DEBUG level, But they aren't logged anywhere, or at least I ...
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5 views

Raspbian - Brother DCP195c Printer with CUPS, insecure permissions

Hello I already read the thread: Debian ARM and Brother DCP195C with CUPS And did the steps exactly as they were described. But the error message I am getting is completly different: Idle - "File ...
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Gentoo can't boot on GRUB2

Gentoo is on /dev/sda4 and /dev/sda3 is /boot,/boot/kernel-genkernel-x86-3.18.7-gentoo and /boot/initramfs-genkernel-x86-3.18.7-gentoo both are genkernel-built,but GRUB says:could not find the root ...
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1answer
5 views

CentOS6 Backup fails; “permission denied”

I am currently trying to do a backup of a server and am getting an error message when running my script. The script runs correctly on certain directories, but for the directory I am attempting to use ...
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0answers
8 views

Ssh chronos@localhost without ALWAYS having developer mode on

I have an older samsung chromebook that I use for schoolwork, and I like having access to its root, but the problem is that my roommates also use the chromebook and do not know how to get around the ...
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6 views

Error: EMFILE, too many open files - Solution?

I'm getting this error, my server has a lot of visitor now. My Vps is 4 Gb ram with 4 Cpu. Should I move to bigger server for solution? Because ulimit -n 10000 not working.
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Is my system rebooting cleanly by itself? Interpreting output of the 'last -x' command

My Ubuntu 12.04 sometimes reboots by itself, and I'm trying to debug what is causing it. I can't seem to find anything relevant in the logs, so this indicates it might be a hardware issue. However, ...
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2answers
28 views

Linux command get unused port

I'm looking for a command or script which returns an unused port on my ubuntu linux system. I have look on internet and the only thing I find is about the used/Listen port with the nestat command. ...
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4 views

Change font in terminal on remote connection in Konsole

Is it possible to set Konsole terminal to change font color on remote connection? For example, depending on computer's name?
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Nginx puts its logs to my terminal(stdout), how to stop it?

My laptop is Archlinux, with Nginx 1.6.2 installed. I've never touched Nginx's log configuration, but out of blue, when I try to access the local website, the logs will be printed to the opening ...
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1answer
32 views

What is my CPU speed?

I need the CPU speed of my KVM host. When I am using dmidecode, the result is the following : sudo dmidecode | egrep "Max Speed|Current Speed" Max Speed: 3100 MHz Current Speed: 3100 ...
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3 views

show “effect” of nmcli r wifi off as airplane mode in KNetworkManager GUI (plane checkbox ticked)

my ultimate aim is to put a shortcut on my keyboard which enables/disables the airplane mode of my wifi. I spent a couple of hours to figure out how to realize this by an nmcli command which does not ...
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OSX: Snort: ERROR: /etc/snort/../rules/local.rules(0) Unable to open rules file “/etc/snort/../rules/local.rules”: No such file or directory

I'm trying to setup and run Snort IDS on mac using this kinda tutorial: https://discussions.apple.com/thread/3370709?start=0&tstart=0 OSX Yosemite (10.10.2); PostgreSQL 9.4.1 (installed with ...
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Assistance remembering the name of a Linux “strace”-based tool for file paths mocking

Once surfing the Internet I’ve seen a home page for a Linux tool which claims it can employ Linux systrace interface to execute other programs with manipulated paths. Something like that: $ ...
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1answer
25 views

oxps to pdf or image - Linux

I've been trying to solve the problem of converting an .oxps file to .pdf or other file format. Any solutions for Linux out there? I've been searching around and cannot come up with much thus far. ...
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1answer
30 views

What does the output of 'ss -s' mean?

I have a problem understanding the output of the Linux ss (socket statistics) command. I can not understand the meaning of the output of ss -s For example: [root@dls2304-1 ~]# ss -s Total: 973 ...
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Interpret libgcrypt `make check` results?

I downloaded the 5 components required for Gcrypt, and built all of them with the following configure: ./configure --enable-static --prefix=/usr/local --with-sysroot=/usr/local All the components ...
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10 views

The “gmon.out” file is at everywhere

Every time I run a program, or exit a shell. There will be a "gmon.out" file generated at the working directory. How to stop this behavior?
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1answer
14 views

locales broken on Beaglebone Black running Debian

So this all started when I wanted to install my custom daemon on my Beaglebone Black running Debian using update-rc.d mydaemon defaults 97 like I've done many times during it's development on my Mint ...
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Xubuntu system broken after copying files

I was trying to copy files from one directory to another while keeping permissions for the files. The files in question where part of a rootfs built for armhf as I was trying to get 14.04 to run on my ...
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14 views

How to detect binary compatibility with the SSE4 instruction set?

I have bunch of binaries built for the SSE4 (Streaming SIMD Extensions 4) instruction set. I’d like to run them on a processor that has no support for the instruction set. It is natural that I get the ...
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1answer
43 views

how does ping -W work

I want to try to use ping to detect if a server goes down. So the idea was to have something ping forever, and then if ping ever timed out( -W flag) it would return and I'd be able to detect it. But ...
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Unable to type in Putty after a few minutes of inactivity?

For some reason I am unable to type in Putty when connecting to a remote CentOS server, after a few minutes of inactivity. It appears the prompt is disabled and can't be clicked or typed on. I ...
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Executing Minecraft Server Commands via SSH and Screen

I'm extremely new to linux, so please help me out if you can! I have read many of the posts about managing/monitoring servers using SSH and Screen, but have not found anything regarding my particular ...
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9 views

Download multiple branches to the same directory using repo

repo is a python script that manages cyanogenmod source code download. to download cm-10.1 branch, repo command is, cd ~/cm-10.1 repo init -u https://github.com/CyanogenMod/android.git -b ...
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Dns server for specific domain

Is there a way to define a dns server for a specific domain? I'm setting up a develop machine with an amp stack and i want to redirect all urls with a specific domain (i.e. project.dev) to 127.0.0.1. ...
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1answer
46 views

Network Security - Potential issue [on hold]

I have to send a program over to China which accesses a server inside our network. This program updates SQL records and stores large amounts of data on the status of products beings tested, on this ...
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0answers
4 views

Autofs doesn't mount at startup

I am trying to use autofs. What I want from autofs is to automatically mount my hard drive that is attached to the USB port. That is for the times when I reboot the machine, or disconnect and ...
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0answers
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LIVE USB has error Grub Rescue

my issue is NOT ubuntu 14.04 LTS installed on HDD. my issue is live usb getting error on boot "no such device: ..... grub Rescue > " i know people say just format and remake whole live usb again. i ...
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Unable to get the Full screen in KVM

I installed CentOS 6.4 in KVM (Kernel-based Virtual Machine), My base machine is Scientific Linux 6.4. I am unable to get the full screen in KVM, In virt-manager if I select full screen also both ...
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1answer
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Need Linux Permissions Explained [on hold]

Can someone explain to me what this means: -rwxr-xr-x 1 root root 920788 Mar 28 2013 bash Please go through each character step by step and explain which it does.
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2answers
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Merge small files to larger one with specific size and preserving lines

I got a bunch off files with "line-based" content. They have different sizes but I need a lot of files with the same sizes. What I got: File 1, 70 Lines, 5MB File 2, 113 Lines, 15MB What I want: ...
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1answer
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X11/Linux: Minecraft hid the mouse cursor — how do I get it back?

Minecraft hides the X11 cursor during normal gameplay, as moving the mouse changes the view of the camera, like in most first-person games. During gameplay, pressing e is supposed to open up the ...
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1answer
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How to handle a condition when an expect script executing another script on a remote host is interrupted?

Im using an expect script to say xyz.exp to login to a remote host and execute another script abc.sh Now most of the times abc.sh runs fine, but there is a scenario where if a certain condition is ...
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1answer
20 views

How to set Linux network namespaces as a non-root user?

I set up a network namespace for a VPN so that not all the traffic goes over the VPN. It works fine when I type: sudo ip netns exec vpn firefox All the Firefox traffic is now going through the VPN ...
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1answer
11 views

SELinux remove extended ACL

I have a set of files that can't have selinux's extended acl on them. When running ls -la I get a result similar to: -rwxr-xr-x. 1 root root 1 Aug 8 2014 filea -rwxr-xr-x. 1 root root 1 ...
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Trying to show 100 splash screens for according to battery percentage

I am trying to show an empty battery with some red color at bottom(like in moto g) when the battery is discharged. I am able to show a static image for that, but if I use many images to show the ...
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Graphical Grub/Bootloader Menu

Does anyone know of a boot loader that use graphical indicators instead of just a command line menu? (preferably grub or grub2 compatible, I don't really know much about the, or my, tech stack for ...
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Does ssh client integrate with other systems?

I have MacBook Pro running OSX Yosemite, when I enable the ssh from (Preferences - > Sharing) it gives me link like this : members-12-13.hallsnetwork.xxxx.com Well, clearly the link is descriptive ...
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Is there any way to get list of all processes accessing a shared library? [on hold]

I know that ldd utility can list all libraries linked to a process but I want it the other way around. I want to get all processes linked to a library. I want to replace a shared library without ...
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2answers
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how to list current path mode?

If the current path is /data/db_1, and /data has three subpath, db_1, db_2, db_3. I want to know db_1’s modification, owner and group. Currently I use ls -li /data |grep db_1 , but I think there ...