A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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2answers
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How would I do this in a unix system?

I need to locate all of the file system objects below the /sbin directory that include a period (.) somewhere in the object’s name, but not objects that begin with a leading period.
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1answer
2k views

Ubuntu 10.04 Keyboard and Mouse Freezing Problem

I had a partition setup with Windows XP and Ubuntu 8.04 dual booting. I recently upgraded to Ubuntu 10.04 by installing fresh from CD but leaving the previous /home folder as is. Things seemed to be ...
2
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1answer
3k views

How to memory test in Linux?

I'm planning to test my Linux box and I want to start in memory testing. But my problem is what should I need to test the memory in my linux box? Should I need a tool? Or there are some APIs to use to ...
2
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2answers
14k views

SSH Connection Limitations

I have a network of 100 machines, all with ubuntu Linux. Is there a limit to the number of machines that can connect to one single machine (at the same time)? For example, can I have 99 of my ...
2
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2answers
12k views

Total disk usage for a particular user

I would like to see the total disk usage for myself on a particular file system. I executed the command du -h ~my_user_name However, this lists every directory owned by my_user_name. I would like ...
2
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1answer
4k views

VM on ESXi host - How does one make externally accessible?

I have a home server running ESXi v5.0.0 with a VM guest OS (linux) up and running. I have apache 2.x installed and serving to my machine (i.e I can access the default apache page when going to http:/...
2
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1answer
2k views

where is my disk space?

I recently had a problem with .xsession-errors file - it became very big (> 90GB) and took all disk space: How I can check what takes disk space in /tmp?. I cleaned it with command > .xsession-...
2
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1answer
3k views

Printing from the command line with LibreOffice, lpr commands?

I'm trying to print a word document from the command line, but I need to specify printing options that I would normally use lpr for. This is the command I'm using libreoffice -p "filename.doc" I ...
2
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1answer
2k views

Installing Ubuntu to dual-boot from mSATA

I'm about to recieve a 2012 Dell XPS 15 with 128GB mSATA and 1TB 5400rpm HDD, it should come with Windows 7 Pro 64-bit. I understand that Smart Response Technology (SRT) in the Intel Rapid Storage ...
2
votes
1answer
51 views

How do I make a virtualised WAN?

I want to create a virtualised WAN. As in, I want to have a couple of VMs (VBox) on one physical host machine, that exist on separate LANs, but that can talk to each other. Do I make the VMs, set them ...
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4answers
734 views

Linux ethernet traffic capture

What programs under Linux can capture ethernet traffic? And which ones from them are maintained and most comfortable?
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6answers
9k views

Anyone experiencing audio issues with VirtualBox on Linux and has a solution?

I've been using Virtualbox (now at 3.0.2) on Kubuntu (now at 9.04) for a while now, and I seem to have a problem when running Windows. Sometime after a while the audio will cut out in Kubuntu. The ...
2
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1answer
935 views

How can I use nohup if the shell script taking more time to run?

My shellscripts takes really long time to run, around 30 minutes, but if I leave and go out for lunch I doubt that: 1: will putty session closes if the script is running? 2: if putty session closes ...
2
votes
1answer
620 views

OOM killer despite lots of free memory on PAE kernel

We have an application server which for legacy reasons still runs on 32bit kernel with PAE (Ubuntu 12.04 LTS). The server has 24GB of RAM, as seen in the output of free: $> free -lmt ...
2
votes
1answer
478 views

Does schroot allow configuration files in the home directory to be overwritten?

When schroot is configured to mount /home, will packages installed inside the chroot overwrite the configuration files in $HOME? For example, if a newer version of gconf2 is installed inside the ...
2
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1answer
2k views

Broken sudo on amazon web services ec2 linux centOS

So I had no idea of the dangers of messing with the /etc/sudoers file, and was just trying to make a simple change in there. However, I seem to have put something with incorrect syntax in there, ...
2
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1answer
360 views

What is the best way to undelete some photos on Linux? Is there any way to use foremost to only recover files that only contain some text?

I accidentaly deleted some digital photos I had recently taken, and I wanted to undelete them. I found out about Foremost, and it allows me to recover jpg files, but will fo that with all of the ...
2
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1answer
3k views

How to use ffmpeg to encode a file with possible error?

I have a video file, which contains some error. The file is readable, but possible some blocks are wrong during some disk operation. So while playing the video, a few seconds will no be displayed ...
2
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1answer
22 views

Centos Sftp Ssh - How always create files with rwx-rwx-r-x and always owned by a certain group

I have a user myuser, which is only allowed to connect to ssh via sftp. I'd like this user to always create files with rwx-rwx-r-x and always owned by the group apache. I've tried to accomplish the ...
2
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1answer
9k views

PHP 5.3.10 on Debian Jessie

By default in Debian Jessie, I get PHP 5.6 installed by using apt-get install php5 . The problem is that the project that I'm working on has severely deprecated functions to the point that the ...
2
votes
1answer
851 views

Secure alternatives to VPN?

I need a way to access my home network (well, specifically just one server on the network) from anywhere. Usually I would use Himachi (free VPN client, made things very easy) but it has since become ...
2
votes
1answer
1k views

Very Slow DSL (ethernet) speed [New Interesting Update]

Very Interesting and Important Update: Due to some reason I just thought to do a complete new setup and this time I decided to again have openSUSE plus Ubuntu. So I first reinstall Lubuntu and then I ...
2
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2answers
849 views

How to swap the “fn” use of Function keys on a *generic* Keyboard in Linux

After searching the internet for some answers, the only things I was able to found are related to the Apple keyboard. My question is the same as in this question How to swap the “fn” use of Function ...
2
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1answer
347 views

Where to put default setting from “/sys” folder in Fedora 18?

I have an SSD main disk and I want to use noop IO scheduler with it, like this: echo noop > /sys/block/sda/queue/scheduler But this setting gets lost after reboot. What is a right place to save ...
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2answers
4k views

fedora 22 synaptics touchpad not working

I just received a new Dell Vostro notebook. The touchpad works fine when I boot into setup, or a Windows install DVD, but with Fedora 22 workstation (live and installed), the mouse pointer appears but ...
2
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1answer
1k views

How can I install Linux on an old laptop without CD-ROM or bootable USB (have Windows installed)

I have an old Compaq Armada M700 laptop with 256MB of RAM and an 800MHz Pentium III CPU. I would like to install Linux on the machine for web browsing and use as an SSH client. Unfortunately the CD-...
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0answers
257 views

Iso_level3_shift key not working in Firefox (Linux)

Under Firefox (Firefox 3.6 and Iceweasel 10.0.9), my Iso_level3_shift key (= "Alt Gr" key) is not working. That means that on my azerty keyboard, I can't press some characters like @, |, and so on, ...
2
votes
1answer
41 views

Swap file automatic loading in Linux

How can I get the Swap file to load at boot up time rather than having to load it manually with GParted after each boot up? I have Linux Mint 17.2 Xcfe and Mate and both use the same swap file. Here ...
2
votes
1answer
104 views

How can my home server accept and reply to connections from the Internet when OpenVPN client is running?

I have a headless home server running Ubuntu Server 12.04. A 3rd party website (to which I'm subscribed) periodically sends commands to a daemon on my home server which in turn responds to the 3rd ...
2
votes
2answers
2k views

Hanging on “Scanning for Harddisk partitions and creating /etc/fstab” when trying to install Damn Small Linux

Following a suggestion made before, I'm trying to use UNetbootin to install Damn Small Linux on a Windows computer. I'd like to reformat the entire HD and install Linux on it. I installed UNetbootin ...
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3answers
2k views

Is it possible to install Ubuntu from another Linux system? (Gentoo in my case)

Is it possible to install Ubuntu NBR on a harddisk that is currently installed in another Linux system (Gentoo in my case). I want to reinstall my Media Center and Home Router (running Ubuntu NBR 9....
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2answers
14k views

Which is the most stable version of Ubuntu? [closed]

I've tried installing Ubuntu 11.10, uninstalling and reinstalling 11.04 etc. After day 1, though, some bug or the other shows up and then I spend the rest of my time looking up fixes on the Internet. ...
2
votes
2answers
561 views

RTL8188CUS AP and Client mode simultaneously with hostapd in Linux?

I'm trying to figure out how to set up my RTL8188CUS Wifi dongle to run in both AP and Client mode at the same time. How can I do this in Linux? I have hostapd running fine and I remember reading ...
2
votes
1answer
218 views

how do I copy large datasets between two VirtualBox virtual machines?

I have two separate CentOS 7 virtual machines running in VirtualBox that is installed in a Windows 8.1 host. How do I transfer large amounts of data from one of the CentOS 7 virtual machines to the ...
2
votes
1answer
417 views

Clipboard management like Linux in Windows

In Linux, if I select a text I can paste it in another place with a click of middle mouse button and there is no need to right click and copy or using ctrl+c hotkeys for doing so. Also the selected ...
2
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1answer
2k views

Linux: set up media server to stream video via the Internet?

How do I set up a media server in Linux which streams video over the internet? Is it easy to do this? I want a server that will actually encode video in real time to allow it to stream over sometimes ...
2
votes
1answer
312 views

Convert TeX fragments to PNG images

There are various embedded TeX-like formulas found on Wikipedia and other places such as: \begin{array}{rcl} Y' &=& Y' + 16\\ U &=& U + 128\\ V &=& V + 128 \end{array} They ...
2
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1answer
155 views

Is administrator account necessary in order to use shells such as zsh and fish?

I have a weird situation. I’m using Mac OS X 10.11 (El Capitan) and iTerm2. Zsh is listed by default in /etc/shells as /bin/zsh, and this allows me to use Zsh without any issues on my standard ...
2
votes
1answer
757 views

KDE global shortcuts stopped working. KDED trouble?

I'm running the latest KDE4 and have gotten used to my Yakuake dropdown console. The problem is that the global shortcuts in KDE stopped working, which basically makes my whole environment unusable ...
2
votes
1answer
483 views

Route internet traffic to isolated vm

I got two VMs, i want VM-2 to be an isolated host, forced to route it's traffic through VM-1. So for example if i use a VPN on VM-1 this will affect VM-2. VM-1: Windows 7, 2 NICs 192.168.1.80 255....
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3answers
2k views

How to mount partition with spaces in path

I created one partition and I wanted to mount that partition to this directory /home/max/VirtualBox VMs I wrote this line in fstab: /dev/sda4 /home/max/VirtualBox\ VMs ext4 defaults 0 ...
2
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1answer
2k views

Kubuntu 9.04 - Can't drag application from one screen to another in multi monitor setup

I have a new install of Kubuntu 9.04. I installed the ati drivers. fglrxinfo display: :0.0 screen: 0 OpenGL vendor string: ATI Technologies Inc. OpenGL renderer string: ATI FirePro V3750 (FireGL) ...
2
votes
4answers
4k views

memory usage linux in top is not correct

I am a bit worried about my linux vserver box. No more memory is left. To investigate this issue, i was looking at "top". But it deeply confuses me. It seems that no more memory is left, altough ...
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3answers
2k views

“No space left on device” after resizing partition

I decided to resize the partition on my storage drive (with gparted), all seemed to go well but now when I try to create directories or copy files to the drive I get a "No space left on device" error. ...
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2answers
3k views

How to increase VirtualBox virtual drive actual size?

I have selected "dynamically allocated" mode upon creating virtual drive. I was thinking it will grow automatically up to maximum size. But it constantly has "actual size" of 4Gb and does not growing ...
2
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1answer
1k views

Hard drive partition size wrong. How do I resize without loss of data?

$ fsck fsck from util-linux 2.20.1 e2fsck 1.42 (29-Nov-2011) The filesystem size (according to the superblock) is 610471680 blocks The physical size of the device is 536870911 blocks Either the ...
2
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1answer
2k views

Undeletable file in RedHat Linux

There is a file under my home area that I cannot delete. When I do an ls -al on the directory, the permissions are ?--------- and there is a ? for user, group, size and date columns. When I attempt to ...
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4answers
3k views

Linux urldecode filename

Is there any tool to urldecode a file's name and replace it? Example: $ ls hello%20world.txt $ urldecode *.txt $ ls hello world.txt
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1answer
8k views

How to install Linux on a dynamic disk without losing the disk configuration?

I have Windows 7 installed and a dynamic disk. I want to install Ubuntu but I have the following constraints: I don't want to lose any data. I don't want to lose my current Windows installation. If ...
2
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2answers
832 views

Why is a failing hard disk slow?

From my currently failing hard drive, I know that I'm erasing it with a write speed of around 300kB/s cause of at least of few bad sectors I'm curious about what exactly causes this slow write speed? ...