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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Grep matching lines but return matching key IDs in GnuPG output

Having this input: rsa2048/C7927B82 2015-08-30 rsa2048/FB2D99F9 2015-08-30 I want grep to only return the key ID, for example: C7927B92. Using the pattern from Grep characters before and after ...
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14 views

remove windows 8.1 and replace with centos 7

An Acer Aspire T desktop computer came pre-installed with Windows 8.1. I would like to completely erase windows 8.1 forever from the machine, and replace it with CentOS 7. How can I accomplish this? ...
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1answer
6 views

How can I get Git to ignore/drop files I have deleted or that are only file-system artifacts (ending in ~)?

I would like my git repository to show only files that currently exist in the directory. In particular, I just pushed my git project to a remote repository on github.com, and now it's showing all ...
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0answers
6 views

how to xset dpms force off only one monitor?

I have multi headed setup using KDE display manager with proprietary nvidia drivers (no xinerama, single X server). Usually I keep only some server monitoring stuff on second monitor, eventually web ...
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1answer
21 views

Shred File without overwriting blocks

AFAIK, a file on a file system has two components. The pointer that stores the directory path of the file. Also stores the list of sectors/blocks on the disk that the file is composed of. The real ...
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1answer
23 views

Linux: Presenting a larger-than-real file system?

Does anybody know if it's possible to have a small Linux filesystem with apparently limitless (or very big) free space? We have a Samba server with lots of filesystems, all available from a small ...
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4answers
305 views

Scaling and rotation of image without depending on EXIF data?

Is there such a thing as a simple image editor for Linux which allowed for scaling and rotating the image without using EXIF data for the scaling and rotation? So far have I tried EOG, Shotwell, and ...
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0answers
10 views

deleted linux mint from windows 8 dual boot reinstalled linux can't make it work

I have a lenovo g710 laptop with windows 8.1 preinstalled.I made a dual boot with linux mint and everything was ok.Then i did something in linux terminal and when i restarted the pc linux wouldn't ...
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0answers
16 views

Unable to run yum command

I'm unable to run yum command on my Linux machine. I'm getting the following errors: dispsim:~$ yum Failed to set locale, defaulting to C Loading "rhnplugin" plugin Loading "security" plugin error: ...
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1answer
8 views

tuleap and agiledashboard plugin

after I've installed and enabled agiledashboard plugin, I'm not able to access web home of Tuleap anymore. I found the following kind of error in httpd log: [Mon Aug 31 10:48:10 2015] [error] ...
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1answer
15 views

Linux kernel working only on kernel mode

Porting the Linux kernel to an architecture that has no execution modes (is always in kernel mode) and has no MMUs seems like a very unprotected system. Would it be possible to make Linux run in that ...
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0answers
6 views

proc/meminfo :MemTotal vs MemFree

There is an excellent summary of the various stats returned by proc/meminfo in this SU thread. However,it does not explain the MemAvailable statistic which I gather is relatively new. I am assuming ...
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1answer
8 views

How to boot into single-user mode (runlevel 1) without entering root password?

In Fedora 22 and Ubuntu 15.04, whenever I boot into "single-user"/"recovery" mode, I'm asked for the root password. This is a new behavior; I remember that it used to drop me straight into the root ...
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vote
1answer
16 views

sed option to preserve file times during a find/replace?

I'm trying to modify some Autotool files because a project is not honoring my CFLAGS, CXXFLAGS and LDFLAGS. I located some areas where I could likely make the change with a grep for libtool: link. ...
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0answers
13 views

Is it possible to copy files that skip the file system?

I got many files(for a 4TB HD, 50M+ file count) to upload to S3. To make it multi-worker upload, I have adopted tmpfs to enable concurrent upload, and there may be 1 or 2 copy-to-tmpfs worker that ...
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2answers
11 views

Kali => ssh_exchange_identification: Connection closed by remote host

I'm using Kali Linux to connect to a server remotely using SSH, it used to work out, but suddenly I got the message: ssh_exchange_identification: Connection closed by remote host Even though I've ...
0
votes
1answer
8 views

LAMP Setup on CentOS at DigitalOcean

I'm following this tutorial. I got some issues start from step four: Configure Nginx to Process PHP Pages. After I typed this $ sudo vi /etc/nginx/conf.d/default.conf. I can't find server { listen ...
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1answer
10 views

How to find all keyboard shortcuts to a process/program in Linux?

Is there a way to find all keyboard shortcuts for a given process/program in Linux(SuSe)? I have googled tons of stuff,but don't get anything useful. Could someone give me a tip?
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1answer
31 views

Establishing an SSH connection between machines behind firewalls

I have two machines, A and C, each of which is behind a firewall so they can’t accept incoming SSH requests on port 22. I have a third machine, B, outside both firewalls and I wanted to SSH from A to ...
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0answers
7 views

Use existing encrypted directory as home directory

In the past, I installed Ubuntu 12.04 with /dev/sda4 mounted as /home. I encrypted my home directory. Today, I erased all the partitions except /dev/sda4 and I installed Xubuntu 14.04 on a new ...
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0answers
9 views

Replace system disk - centos 6.x

I have a Precision 380 running CentOS 6.5 where the (one and only) disk appears to be failing. I'd like to copy out everything to a new drive and have it take over as the system disk so I can ...
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0answers
8 views

Is it possible to share printer in guest Windows to host Linux?

I'm using Linux in company, and cannot set up printer in Linux, so I installed VirtualBox in Linux, and in VirtualBox I installed Windows, I can print in this Windows. But it is very bother to print ...
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1answer
27 views

Monitor Mode doesn't work in Kali 2.0

For the last year or so I have been using this exact setup with Kali 1.0. Everything worked fine with Wireshark. Now, when I am connected to a Wi-Fi access point my card REFUSES to stay in monitor ...
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0answers
15 views

Force media to be mounted to /dev/sr1 instead of /dev/sr0

I would like to be able to have the first device that I mount to a linux host be /dev/sr1 instead of /dev/sr0. I am trying to script installing IBM’s SVC. There installer is hardcoded to expect the ...
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0answers
11 views

remove pdf stamp that has been added by pdftk

Question: Can you remove a stamp added with pdftk, using Linux command line tools? Motivation for the question: I have tens of thousands of scanned pages, in hundreds of pdf files. I would like to ...
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1answer
18 views

How can I use Pacemaker to setup a virtual IP for receiving syslog messages?

I need to setup a VIP / floating IP that network devices will send their syslog messages to. The idea behind the VIP is to have a highly available setup in an attempt to minimize the amount of logs ...
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0answers
7 views

Booting Windows and Linux across two physical drives

I'm trying to get Windows 7 and Kali Linux bootable on an old laptop, but there are a few considerations that are making it difficult: 1) Windows 7 is on an SSD, while I installed Kali on the ...
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votes
1answer
20 views

Difference between apache2 and apache2-bin?

My digitalocean server is running Ubuntu 14.04, and I'm trying to install Apache. When I just type in "apache2" to PuTTy, it says: The program 'apache2' is currently not installed. You can install ...
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1answer
9 views

Update Debian8 JRE 1.7 => 1.8

The OpenJDK website reports installation is a simple one line operation. Debian/Ubunutu is specifically referenced in the instructions. http://openjdk.java.net/install/ sudo apt-get install ...
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2answers
16 views

tcpdump not capturing any packets

I'm trying to monitor what's going on in my network, so I've tried tcpdump command. I'm just learning to use it, so I thought on playing around a little bit with it. My problem is that I cannot ...
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0answers
17 views

Is it possible to setup a NAT loopback on a router with a dynamic IP using iptables?

I've set-up a Raspberry Pi home server attached to my router. I have a dynamic IP. I can access the server within my network using the internal IP (192.168.0.8). I can also access the server outside ...
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1answer
11 views

Debian can't access partition with user, only root can

I have a permission problem - my users can't access to partition. this partition is mounted with debian installer : # /data was on /dev/sdd2 during installation ...
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1answer
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How to use touchpad gestures to scroll back and forth in history on non-Mac OSX devices in Google Chrome?

I prefer the way how Mac OS X allows users to use touchpad gestures to scroll back and forth in the tab history of Google Chrome. Is it possible to use similar touchpad gestures on non-Mac OS X ...
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1answer
11 views

Translate permissions with as sshfs remote mount?

I have two computers on a network, call these Q and X. I want to mount via sshfs X:/ to Q:/mnt/X. So to do this I use: user@Q $ sudo sshfs root:X/ /mnt/X This successfully mounts it and allows the ...
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2answers
44 views

Resumable Downloads corruption due to ISP redirection

I have a Bsnl bradband connection in India. Whenever I turn on router and open any link the first time, it gets redirected to mail.bsnl.in page. That could be a way of promoting their email service. ...
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0answers
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Which version of Zorion OS? [on hold]

First, Thanks for your earlier responses. :) Now, I have finally decided to go for Zorion OS on my old PC but I am too amazed by the number of different OSes present underneath the Zorion title. ...
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0answers
9 views

Set header in CUPS response

I am trying to communicate with a cups server from javascript in the browser but I am running into cross origin policy. Anyone have any wisdom for setting headers in the cups response? I'm using ...
1
vote
1answer
23 views

Wipe ChromeOS drive and start net

Is there a way to fully wipe the harddrive for a ChromeOS laptop and do a full install of Linux? I've been playing around with the many different ways for installing linux to a ChromeBook to make it ...
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vote
1answer
26 views

can I run a split ms access database on a linux server?

An ms access database has been split so that the back end of it is on a windows server, while the front end GUI is on each user's windows PC. Is it possible for the back end to run on a Linux server ...
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1answer
28 views

“read” works as expected in ZSH but behaves differently when using any other shell

I’ve written a short while-do cycle but I found it working strange with different shells. That's it: find "`pwd`" -type d | while read -r D; do ls ${D}; done When I start it using zsh, all goes ...
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0answers
11 views

How can I import my Ubuntu terminal's color scheme for a different computers?

I did a reinstall on my computer presently, and I want to restore my previous terminal settings. While exporting my settings, I ran the command gconftool-2 --dump '/apps/gnome-terminal' > ...
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0answers
8 views

Linux Mint draining power, VGA errors

I have a Dell laptop, with Core i7 processor, radeon r7 dedicated vga. In windows, everything is fine, battery can hold up to 7 hours (im amazed). In Linux (which i must use for specific jobs) the ...
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1answer
23 views

Bash script to create a folder structure

I'm trying to write a Bash script to automate a recurring task, namely the creation of a structure of folders, where some of them should be numbered (To be more specific, this is meant to archive some ...
2
votes
1answer
23 views

Can I delete one of these windows partitions?

I've been googling around trying to figure out if I can remove one or more of my partitions. But couldn't find a answer for my case. It's a pre-built laptop HP Probook 650, It came with Win 8, and now ...
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0answers
17 views

managing disk using fdisk utility

i m new to fedora, I want to create 8GB disk and then want to make three partitions with different sizes. -first partition with 8MB -Second partition with 192MB -Third partition with 7.8GB but it ...
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Create image from encrypted linux disk using windows

My system is a Linux / Windows x64 dual boot PC. It has two disks, one for Windows 7, one for Linux. The Linux disk has one unencrypted partition (boot) and one encrypted partition (home, root, ...). ...
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votes
1answer
37 views

Is there anyway to unlock hibernated NTFS partition?

A broken driver messed things up, and Windows 8.1 won’t boot even into safe mode. Fixboot didn’t change a thing. When I try to restore using a saved recovery point, Windows tells me that partition is ...
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0answers
13 views

Map key + mouse click/movement to something on Linux

When I was using OS X, I was able to remap left click + ctrl to right click and cursor movement + shift to scroll in the direction the cursor would be travelling. Is this possible on Linux? Arch ...
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0answers
26 views

Best configuration for a dual boot system with multiple drives [on hold]

I'm putting together a new computer with 6 old mechanical HDD's and 1 solid state drive. I want to dual boot Windows and Linux. Is it safe to install the MBR and grub on the SSD? Or should I install ...
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0answers
32 views

How to force ping to actually send packets out of the NIC?

I'm working on an FPGA based packet capture and timestamping device. In order to test it, I want to try pinging through it. My computer has two dual-port 10G NICs installed and I have 3 ports ...