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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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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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
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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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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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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
26 views

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
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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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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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
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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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11 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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2answers
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Does the Mac OS X SSH client integrate with other systems?

I have MacBook Pro running Mac OS X 10.10 (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 ...
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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 ...
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2answers
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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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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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1answer
26 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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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
16 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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7 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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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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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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28 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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Failed to install mencoder in Linux [on hold]

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
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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
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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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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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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
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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
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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
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How to restore correct permissions after accidental chmod?

I ran chmod -R 644 / as user on an AWS EC2 instance. Now, every time I navigate to a folder or list it, it shows: -bash: /home/ec2-user/.rvm/scripts/initialize: Permission denied -bash: ...
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2answers
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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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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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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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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
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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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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
37 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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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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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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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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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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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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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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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 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 ...