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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Serve MJPG image stream from reverse ssh tunnel

Background I am working on a project that involves 2 servers. Server A is a VPS running Ubuntu 14.04 with a public IP address. Server B is running a MJPG service on port 8080 and does not have a ...
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Installing Linux on macbook from Linux

I'm using a black macbook from around 2008. The mac OS no longer starts (I get a grey screen without being able to get to the actual desktop). I was able to create a live USB of linux mint and load ...
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How do I boot into Xubuntu after dual booting along-side Windows

I recently installed Xubuntu 14.04 from USB on a netbook running Windows 7. It installed fine, but before I restarted the machine, I removed the USB stick (out of habit). I couldn't shutdown the live ...
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Why is system removing working packages?

I noticed that my system (Elementary OS, based on Ubuntu 14.04) is trying to remove working packages through auto-remove. Running auto-remove makes system unusable, reinstalling packages do nothing, ...
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8 views

fix windows 8 efi MBR

I have deleted the windows efi partition ( not the windows).I have in my system 2 linux distro and 2 efi partitions. I am trying to fix windows boot following steps like: here and here. The problem ...
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How do I PROPERLY map a mouse button to a keyboard key?

In my window manager, I can move windows around by holding the "left Windows button" (Left Super) and dragging a window with the left mouse button. I want to be able to do that without touching the ...
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1answer
14 views

Partition resize error

I've decided to remove my old linux [/] partition and enlarge my Win7 partition, before install new linux distro. For first time in my experience something gone wrong when I tried to resize (enlarge ...
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1answer
8 views

How to make clicking a link in external app use running firefox profile

I use more than one firefox profile on Linux. If I click on a link in an external application, instead of opening the URL in a running browser window, I get a firefox profile manager dialog. How can ...
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1answer
9 views

Debian won't boot - Loading initial ramdisk

I currently have a multiboot enviroment, where i use 2 harddisks one OS on each, Windows 7 64-bit - with windows bootloader on one of them. and Debian 7 - with GRUB bootloader on the other one. ...
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1answer
10 views

Cross-platform Download Manager for Windows and Fedora

I'm looking for a software that can be used for downloading files in different Internet Protocols (HTTP, HTTPS, FTP). The software must be able to continue downloads even if the computer has been ...
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2answers
35 views

simple loop not working

A simple script now="$(date +'%d_%m_%Y')" path="/var/www/vitalii/backups" sites=("site1.ru site2.ru site3.ru") for i in ${sites[*]} do echo "$path/$i" #tar -cvzf $path/$i_${now}.tgz ...
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Possible to suppress error messages from sshd returned to the client when authentication fails?

I'm running an SSH server and I've configured it so that it only allows public key authentication. When someone attempts to login without using public key authentication, the error message returned ...
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2answers
21 views

Cannot connect to a Macintosh computer on the same network via hostname. Works with IP address

I’m trying to connect two Machintosh computers using SSH via their hostname. Both computers are running Mac OS X Yosemite 10.10.2. And both computers connected via a Telus branded Actiontec T1200H ...
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17 views

Why would we need to restart network interface periodically?

Occasionally, one or more machines in our 20-node server room here at U. Washington will start lagging, to the point that SSH connections into it takes minutes or just stall. Some high-level effects ...
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1answer
12 views

How do I remove files from a range in a folder? [duplicate]

How do I delete a specific frame range in a folder? I have star_bg_true.0001.dpx star_bg_true.0002.dpx .... star_bg_true.0100.dpx How do I remove only frames 0030–0050?
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2answers
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Linux “man” pages appear as gibberish in CentOS

On my CentOS 6 box, all the man pages and some tools that support --help show gibberish. For example, if I type: man man I get this: ^HZ[wã¸~ǯÀjZÊèvg:=3ÌlËm’¾­¤ÞÎl<;HHBL´Z}òãSe{l?´)B¡ê«¯ ...
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1answer
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XOR.DDoS removing from debian linux

I'm pretty sure, that on my server is XOR.DDoS. I have read many blogs about and every symptom that I've found I had. Is there any way to remove that stuff from my server?
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23 views

How to install Windows 7 to an USB HDD from Linux? [duplicate]

I'm trying to install Windows 7 from a CD to a HDD connected via USB. Windows complaints about not being able to install itself to USB-connected drives. All guides I found involve downloading a set of ...
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4 views

Installing RHEL 7 and can't make partition while on dual boot

I've problem while installing RHEL 7 with dual boot. Windows 8.1 pro already installed and try to install RHEL 7 but while on partition segment I can't see unallocated space which was more than 100GB, ...
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11 views

GUI applications in anacron

I'm trying to run a bunch of scripts/commands every day. For this purpose I've configured a user-space anacron as explained here. Anacron is started hourly by cron: contents of ...
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a program that gives the user the opportunity to remove any or all of the files in a current [on hold]

someone help me on how to Write a program that gives the user the opportunity to remove any or all of the files in a current working directory. The name of the file should appear followed by a prompt ...
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1answer
15 views

Appending (via rename?) `.bad` to files identified by `tests/test_.*`

What do I want? Given the following directory structure: . ├── bar.py ├── hap │   ├── bla.py │   └── tests │   └── test_hap.py └── hip ├── testimony.py └── tests ├── foo.py ...
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7 views

Gnome 3: when re-attaching secondary screen, why is it fuly dimmed?

When detaching my laptop from it's external monitor, lwandering around, and then re-attching it, even when it reboots, it recognizes fine that I previously set the external Monitor as primary, but it ...
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1answer
22 views

Value of variable set in 'while read' loop looses value outside the loop

The following code is a simplified version of the real life task. Of course I know that I could achieve what is done in this simplified example with a if [ ... ]. This is only to demonstrate the ...
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Plain remote Linux desktop on my VNC Viewer?

So for some reason my VNC Viewer is not showing any desktop icons on the remote Linux. I remember it first happened after I clicked on the button "Quit this session". I am using putty as a terminal ...
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Systemd docker container service does not work with CentOS 7

Here is the service (/etc/systemd/system/docker-mysql.service): [Unit] Description=MySQL container Author=Me After=docker.service [Service] User=root Restart=on-failure RestartSec=10 ...
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6 views

Mouse issue with Synergy and dual monitor on Linux client

I have 2 laptops, one Windows 7 machine and one Ubuntu 12.04. Both computers have secondary monitors above each computer. The Windows machine is the Synergy server. I can move my mouse to both ...
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5 views

Auto detach after auto connecting in irssi

I have irssi auto connect to a channel and send a message to auto connect which works. But for some reason the detach command (ctrl-a + d) does not detach the screen anymore. Is there a setting for ...
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RHEL 5 box constantly displaying NIC statistics on console screen, how can I disable this?

I have a RHEL 5 box that is constantly displaying nic statistics on the console screen when using the KVM. This makes it very hard to do any troubleshooting when the box goes down as these statistics ...
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3 views

Plain (remote) Linux desktop on my VNC Viewer?

So for some reason my VNC Viewer is not showing any desktop icons on the remote Linux. I remember it first happened after I clicked on the button "Quit this session". I am using putty as a terminal ...
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7 views

Xmodmap ignored in Firefox, revisited

Related posts, but no solution: http://stackoverflow.com/questions/20386403/xmonad-xmodmap-changed-tab-to-alt-gr-but-it-doesnt-work-on-firefox-or-thunderbi Iso_level3_shift key not working in Firefox ...
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1answer
47 views

What’s eating almost all memory and swap in this Linux machine? (not buffers/cached-related)

I have a Linux machine that reports almost all of its memory and swap are in use, yet I can’t identify any processes using a significant amount of memory on the machine. We are running Linux kernel ...
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1answer
29 views

How to find out who (what process) is starting another process?

So no matter how many times I kill exim4 it immediately comes back to life. I have stopped the service and everything but something is bringing it back to life and using it for spamming. How do I ...
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Linux machine with RAID 1 not booting after failed drive

I'm a Linux noob troubleshooting a machine that is no longer booting up. Originally it had two drives installed in RAID 1 and one drive failed. I took the good drive out and made an image of the ...
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Mouse scroll wheel does not function as it should in Linux Mint 17.1

I have an issue, using Linux Mint 17.1, my Logitech g700s mouse wheel buttons are inverted, i.e. the scoll up-down scrolls left-right, and the scroll left-right buttons scroll up-down. I have tried ...
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MPD remote audio using Alsa and nmcpcpp

Trying to configure mpd have 2 laptops one is upstairs(shall be refered to as A), runs linux mint xfce edition but using cinnamon other is downstairs(B) runs arch My goal is to have mpd ...
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1answer
14 views

Make tar archive only files without directories (equivalent of zip -D -j)

I want to tar (and gzip) files without directories and do not store directory paths. I want only flat files in my archive. For example if I'll do something like this: tar -czf archive.tgz ...
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Can't flash openwrt kernel on Mikrotik Routerboard 750

Im trying to flash OpenWRT onto Mikrotik RouterBOARD 750 and Im having some difficulties when trying to flash kernel. Im running OpenWrt form RAM right now. Even though, I erased kernel beforehand, ...
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2answers
33 views

How to make sure that repositories added to Linux Mint are safe and secure [on hold]

I’m using the latest version of Linux mint which based on Ubuntu, I have installed many programs by adding a new repository to the list of checked repositories. Now I’m worried of how safe these ...
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1answer
28 views

Display Windows application via SSH X11 on Linux

Is possible to Run SSH server on Windows then make X11 connection forwarding enabled from Linux to this Windows and display Windows application on Linux?
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30 views

Why is netcat's bash server so ugly for client?

I started server like: nc -l -p 3333 -e /bin/bash Then I connected as client: rlwrap nc localhost 3333 Why is netcat’s bash server so ugly for client? Without rlwrap I cannot even use arrow ...
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1answer
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Aptitude aborts automatically after running resolver

I'm having some issues with aptitude. I'm attempting to install all the fonts available in the debian repos, but apt-get doesn't seem to like the command apt-get install ttf* (its conflict resolver ...
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2answers
26 views

Connecting via SSH to machine without SSH server running OR how to reuse existing ssh conenction reverse

Let's say I have two machines: A and B. A has installed SSH server and client B has installed only SSH client Connection between both machines is working I know that I can issue following command ...
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12 views

Putty + line drawing = weirdness [duplicate]

Connecting to any debian installation via PuTTY results in a very strange situation: I can have correct display of line drawing, but not for all programs. In particular Midnight Commander and ...
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How to sync the time in Oracle Enterprise Linux 4.8

The timezone is EST as required. But the time is not correct. I tried few things I got by googling. But not working. Could you please help?
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spicy-client assertion failure after computer crash

I usually use spice-client to connect to remote VMs without any problem. Today during usual work my pc freezed (I am strong confident that this is not due to spice) and forced me to brute shutdown. ...
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hostapd and dnsmasq do not provide DHCPOFFERS for non Android devices

I set up a hostapd on my linux laptop and I want my embedded linux tablet to connect to this AP. Therefore I use the following config for hostapd. ##### hostapd configuration file ...
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Page loading is taking time after redirecting the DNS name server to aws EC2 linux instance

I changed my website nameservers to AWS EC2 Linux instance and after that my page where the page hits the database is taking lot of time. Whereas I tried to redirect other website to same instance it ...
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1answer
25 views

The smallest Linux that can support VMWare Workstation and networking [on hold]

Setting aside the hardware, this is what I need to do: install the smallest possible Linux, but it can support this three features: Connect to a network using Ethernet Firewall Support VMWare ...
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1answer
49 views

Run command for every line of a file in bash, passing lines as standard input

How do I pass some input to a command line by line (ie. invoke the command for every line)? xargs does not work because it passes the lines as arguments, not as standard input. The specific case ...