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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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
4 views

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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0answers
5 views

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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12 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
5 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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0answers
10 views

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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0answers
7 views

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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0answers
11 views

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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0answers
16 views

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 ...
4
votes
1answer
42 views

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 ...
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1answer
34 views

Is it possible to compress a full file system on Linux?

On Windows I can use NTFS drive compression to save heaps of disk space; usually 30%, often much more. It also improves read and write speeds at the cost of higher CPU usage; which isn’t an argument ...
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0answers
7 views

gstreamer videomixer output failing

I want to chromakey one video on top of another using gst-launch. It's working well . . . but I can only output to the screen. Can anyone tell me how to modify my command to get output to a file? ...
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0answers
10 views

No value for $TERM and no -T specified

I recently upgraded (with apt-get dist-upgrade) my Kubuntu and Lubuntu linux boxes, and now every time I start one of these machines, I get this message: tput: No value for $TERM and no -T specified ...
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1answer
23 views

How to get the CPU graphics usage?

My CPU also provides graphics processing for my system. It's easy to know the CPU's core usage separately by using a utility such as top (etc.), but how to get the CPU's graphics usage?
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0answers
3 views

How can I get a konsole window which opens up with sessions on a remote machine?

I use a couple of console sessions on a remote machine, constantly. I want to have these start up whenever I log in. Now, I have a couple of Konsole windows, with the right number of session tabs, ...
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1answer
13 views

Linux Based Small Business File Server - SSD caching

I have small NAS working as file server. In work we (me and 2 colleagues) are using QGIS with attached large raster files (~1GB TIFFs), 2 or 3 on project. Performance of this solution is poor, so I ...
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0answers
6 views

SVN Backup and Restore

I am trying to take backup and restore Remote SVN using svnrdump because we don't have an admin SVN console. I need a incremental backup so it will take less time. I am using the following command ...
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0answers
18 views

Package manager for reseach institution [on hold]

I work for a reseach institution where many colleagues work on many different software projects, each with own dependencies, version management etc. We'd like to improve our software culture and make ...
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0answers
9 views

mod_pagespeed, domains and abusive GET requests

I just noticed what seems to me a strange behaviour in mod_pagespeed (latest) on a Linux box with Apache installation. I have domain limitation in mod_pagespeed.conf and the machine only has the one ...
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0answers
26 views

Where to copy kernel source after kernel is compiled from sources?

On my linux box (Mint 17.1) I compiled the kernel from sources so that I could enable certain things that are not there by default. The kernel compiled fine and the system boots/works just fine. ...
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0answers
16 views

Failed to install mencoder in Linux

I turns to this article for guidance http://www.myzhenai.com.cn/post/1182.html i execute these commands # tar -zxvf lame-3.99.5.tar.gz # cd lame-3.99.5 # ./configure --enable-shared # make ...
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1answer
9 views

Windows boot manager overwrites my boot order uefi bios samsung

In the UEFI bios in my samsung ativ boot 5 laptop I have 'UEFI OS' (which is Grub2, Linux etc..), 'Windows Boot Manager'(Windows 8.1). I want to change boot order to: 1. UEFI OS 2. Windows Boot ...
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1answer
16 views

MongoDB manually preparing for upstart but not running

I am on Ubuntu 14.04.1 LTS. $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty Instead of using the system ...
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2answers
26 views

Eth0 missing on Linux 3.18.8 with onboard Realtek card

Ethernet is completely gone on a Laptop with Linux Mint Cinnamon 64 and Kernel 3.18.8. I have installed the realtek driver from their website, but that is not solving the issue. ifconfig -a only ...
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0answers
6 views

Get mplayer to display current time in hours and minutes

By default mplayer displays the current location in the video in seconds, which is less than useless. Example: A:4086.2 V:4086.2 A-V: 0.000 ct: 0.039 0/ 0 17% 2% 2.1% 3 0 ^--------^----- ...
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1answer
21 views

Using the Ping command with VLAN IP's

I created a new VLAN IP for a machine using vconfig add eth0 22 Then I did a: ifconfig eth0.22 192.168.3.2 netmask 255.255.255.0 up`. After this, when I do a ping 192.168.3.2 it's successful. ...
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4answers
1k views

Windows vs Linux Local Time?

Ever since I started using Linux in dualboot with Windows I noticed that when I rebooted the machine, the time on the other S.O. was wrong, e.g. it was 12:00 on Linux, then I rebooted and on Windows ...
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1answer
12 views

How to restore correct permissions after accidental chmod?

I ran chmod -R 644 / as user on an AWS EC2 instance. Now it shows: -bash: /home/ec2-user/.rvm/scripts/initialize: Permission denied -bash: /home/ec2-user/.rvm/scripts/hook: Permission denied every ...
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2answers
13 views

I cant install Skype on Kali Linux x64

root@kali:~/Desktop# dpkg -i skype-debian_4.3.0.37-1_i386.deb (Reading database ... 316914 files and directories currently installed.) Preparing to replace skype 4.3.0.37-1 (using ...
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0answers
13 views

Linux User Groups and process GID

How are groups and gid permissions related? Here is a little test that has be stumped. I create a test user with uid=2001, and also a group with gid=3000 and add the user to that. Running as my ...
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0answers
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Video playback from remote filesystem lag on Ubuntu

I have laptop running Ubuntu 14.10 and used for watching movies from my server. I've installed vlc player but faced with the bug: At approximately 40 minute (can ve different for various videofiles) ...
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0answers
4 views

Strange behavior of fbterm

The system is an X-less Arch Linux 3.18.6-1 When I reach the bottom of the screen, it doesn't start a new line at the bottom, but replaces the lines from the top of the screen. The cursor keep ...
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1answer
18 views

Cant launch Portal 2: Failed to load the launcher (libuuid.so.1: cannot open shared object file: No such file or directory)

I got a new computer downloaded Steam, and purchased Portal, and downloaded it to both my old computer and my new computer. It launched instantly on my old computer, but, refused to launch on the new ...
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0answers
15 views

Converting .vhd file to .raw - File is too small and does not boot

I have a Hyper-v .vhd file I am trying to convert to .raw for Proxmox however every time I convert the size is less than half of the actual disk space used and when I import it doesn't boot. I ...
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1answer
35 views

Access other user's folder via FTP

Before buying NAS, I try to use FTP to transfer data from the office to my home. The computer at home has two user; the first one is called user and the other one is called admin. The FTP server is ...
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0answers
5 views

slow vnc runnig mate desktop

i have a vps running ubuntu 14.10 with 4 gb ram 3 cores processor and 50gb disk i installed xfce lubunut and finally mate desktop environement but it was slow i found a post that For faster remote ...
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0answers
18 views

Wired connection not working although wireless is working well Ubuntu 12.04

I have the following ifconfig configuration: eth1 Link encap:Ethernet HWaddr 00:21:cc:d2:3d:da inet6 addr: fe80::221:ccff:fed2:3dda/64 Scope:Link UP BROADCAST RUNNING ...
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0answers
15 views

Copy a USB OS to HDD?

Copy a USB having Ubuntu installed (not just a live disk) byte-by-byte to HDD ? I have a USB that has Ubuntu installed into it. I am trying to replace Centos installed in HDD which has an luks ...
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0answers
13 views

Vagrant ssh fails — after cloning the box with vagrant package

i've set up a first Vagrant box for python dev that works very well. I can vagrant ssh in that original box without issue. Trouble start when i try to create a copy of that box (with vagrant ...
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0answers
10 views

Is it safe to convert this partition table from GPT to MBR? [duplicate]

I think I need to convert my partition table from GPT to MBR in order to fix a problem with the bootloader. Here is the output of gdisk -l /dev/sdb GPT fdisk (gdisk) version 0.8.8 Partition table ...
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0answers
14 views

Can not login through “ubuntu” option but can login through “ubuntu 2D” option

My system is Ubuntu 12.04 LTS. Since updated, every time I input the right username and password and hit enter using Ubuntu entrance, I got bounced back to the log screen. But other entrances are ...
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0answers
7 views

Manjaro linux slow booting times

The last few days I have been experiencing very slow boot times, I ran systemd-analyze blame and the service taking all the time is systemd-tmpfiles-setup.service, taking 4 minutes. I cleared /tmp ...
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0answers
18 views

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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1answer
13 views

Installing Linux on a 2008 MacBook from Linux

I’m using a black MacBook from around 2008. The Mac OS X installed on the system 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 ...
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1answer
8 views

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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0answers
10 views

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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0answers
30 views

fix windows 8 efi MBR - no success

I have deleted the windows efi partition ( not 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 is ...
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0answers
16 views

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 ...
0
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1answer
22 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
20 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 ...