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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Is there any way to install any linux distro without acesssing the bios? (broken screen)

I am trying to run a Linux system from my y500 Lenovo ideapad but I can not access the boot menu or bios at all. This is because I have a broken screen and am using an external display to make use of ...
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SSL Root CA certificate is not recognized, although present in the trust store. Why?

Background: Ubuntu Server 14.10 64-bit on aws.amazon.com/ec2 Cheap PositiveSSL server certificate from COMODO 1 server certificate, 2 intermediate CA certificates and 1 Root CA certificate as ZIP ...
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Arch Linux insane memory usage

I just installed Arch Linux and set it pretty much up how I want it to be. At the moment XFCE4 with LighDM, Firefox and a few other little applications are running. I wanted to see whats going on in ...
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KDE's file manager Dolphin displays error mesage on Fedora 21

Every time I try to use Dolphin, nothing appears where files should be listed. Instead, there is an error message right below the toolbar that states: Could not start process Cannot talk to ...
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I'm not able to connect with SSH because of SUID warning

When I try to connect with another machine, after this command below: user1@host1:~$ ssh user2@host2 user2@host2's password: I receive: WARNING: Your password has expired. You must change your ...
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Create key combination to run script action

I am having shoulder problems and the mouse movement is hurting my arm, so I am trying to create a simple way of navigating the mouse with vim-like movements. I found xdotool and can, for example, ...
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Debian can't connect to Wi-Fi network after upgrade from Wheezy to Jessie

After upgrading my Thinkpad T420 from Wheezy to Jessie today, the integrated Wi-Fi stopped working. After countless hours of searching, I still can't seem to find what the issue is. In the GNOME ...
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LXC: Automating running an application inside a container

I'm working on a project that automatically compiles, executes and tests the output of submitted programs in C, C++, Java and Python. Obviously this needs to happen inside some sort of secured ...
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How to execute midi commands from a Linux program

In Windows I have the OpenMidi CloseMidi and SendMidi commands. After OpenMidi I get a handle and then I can use SendMidi to send midi messages like 90 52 64 , and I will hear a note on the default ...
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1answer
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Unix permissions error when working with symbolic link and MySQL installation

I'm working to install MySQL on one of our servers. I'm the ec2-user, and I'm attempting to install in the ec2-user home directory, but allowing access to the directory to the mysql user. However, ...
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Wireless dongle driver don't work(Debian)

I have a WiFi dongle that said to support GNU/Linux, however no drivers were found on the CD, after hours of research i found this https://wiki.debian.org/rt2800usb and installed the driver, I'm ...
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lvextend gives insufficient suitable allocatable extents for logical volume set even free extents

I have one LVM with 4 physical disks (created with -i 4 option). I added 2 more disks to VG and trying lvextend which is failing. Below show I have 1TB of space Free in VG. $ sudo vgs VG #PV #LV #SN ...
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Why might a partition show up in `mount` but not `df`?

If I compare this $> sudo mount | grep sdb /dev/sdb1 on /windows type fuseblk (rw,nosuid,nodev,allow_other,default_permissions,blksize=4096) /dev/sdb2 on /store type ext4 (rw) with this $> ...
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Upgrade KDE Plasma 5.2 to 5.3 in Kubuntu 15.04 Beta 2

I tried looking for a way to upgrade the KDE plasma version of my Kubuntu 15.04 Beta 2 to the latest one, 5.3. But there isn't much reference online about how to do it, expect using Unstable Kubuntu ...
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6 views

VPN failover on Tomato Router

I've configured two VPN clients on my router to ensure some of my traffic secure. One of the client is the major one and the other is the alternative one. I'm now using custom routing tables and IP ...
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2answers
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Remove all files in specific folder in Linux

I have a particular group of two folders that are in many places on my CentOS server. Let's say these folders look like this: aaa/bbb/cat aaa/bbb/dog The names and structure of aaa, bbb, cat and ...
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1answer
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VirtualBox bridged adapter not working with one network

I have been using VirtualBox bridged adapter with some networks and it has worked right. But a few days ago I have tried it with a new network and this time it has not worked. The only difference in ...
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Linux — How can I run a script after a video has finished playing?

I want to add the default emblem to videos I've finished watching. Any straightforward, non-manual way to run a script if and exactly if a video has finished playing? Can be for any linux ...
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which application is trying to access a private ssh key?

since a few days my Gnome based system (Fedora 21) pops up a request for the pass phrase for a certain private ssh key: An application wants access to the private key <name-of-the-key>, but it ...
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19 views

Install windows on external disk

I have a laptop (Zenbook UX32LN) with ElementaryOS system on it. I want to install Windows 8.1 on external usb HDD for gaming purposes - is it possible without interference in my linux installation? ...
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Tiling window manager with monitor span support

I am looking to use a tiling window manager under Linux (Fedora 21 if it matters). I searched for a couple of days in the documentation for some of them, mostly awesome, i3, xmonad, though I've read ...
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1answer
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Copying data from file into a specific location of another file with dd truncates the output file

I have a loopback file that contains a single filesystem, let's call it fs.image. I have another, much larger loopback file, that contains multiple partitions and multiple filesystems, let's call it ...
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3answers
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Why does Linux accept traffic on unconfigured loopback addresses?

On at least two version of Linux (Ubuntu 9 and Debian 7) I've noticed that, even though I only have a single loopback address configured on lo (the standard 127.0.0.1 one), it happily accepts packets ...
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Why does sudo -n on Mac OS X always return 0?

It looks like sudo -n on Mac OS X (10.10.3) always returns 0 as a return code. So something like this will always show 0, regardless of whether the user has authenticated with his password first: ...
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How to limit the USB bandwidth a device can allocate on Linux

How do you put an cap on the amount of bandwidth a USB device can allocate on Linux? I have a couple of cheap USB webcams that I'm trying to running simeltaneously. Running v4l2-ctl ...
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Linux Command to set TCP window size [on hold]

I want to send TCP packet with window size 65535 (0xffff). I m looking to set the TCP window size to 65535 on my linux system. I know that there is the sysctl command but I could not find how ...
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shell script to change bootloader background

I'm trying to create a shell script on openSUSE to change the bootloader background from the files /etc/default/grub line: GRUB_BACKGROUND=/boot/grub2/themes/openSUSE/background.png with the new ...
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1answer
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Swap Windows and Linux hard drives

Following situation: I have a laptop with a SSD and a HDD in it. Windows 8.1 is installed on the SSD The HDD holds a data partition Some weeks ago is tried to work with Linux an installed it at ...
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Change screen resolution without monitor under Linux?

I got a GUI program which will be executed along the OS (CentOS 6.6) boots. The resolution configuration is programmed in the init part of the GUI program, my solution right now is get the resolution ...
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setup vcan interface to be activated on boot

I want to setup a virtual SocketCAN interface on boot. The following lines do what I want (manually): ip link add dev vcan0 type vcan ip link set up vcan0 (or) ip link add dev vcan0 up type vcan ...
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1answer
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How to find a file I've been sent through Skype in linux?

I've sent a file to my friend in Skype a year ago. All of history is saved, How can I get file from it?
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Mount only specific USB stick

I am trying to configure a Linux (Ubuntu 14.10) so that it will only mount a specific USB stick from one specific USB port. Can someone point me into the right direction on how to do this? Thanks
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1answer
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mitmproxy: How to configure a redirect for requests

I am new to "mitmproxy" and not familiar with python. I use "mitmproxy" in mode "regular proxy". I'd like to load a JavaScript file (in different version) from an other domain than it was specified ...
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2answers
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How is installing linux packages via apt-get different from building and compiling from source?

I've heard a lot of people say that building/compiling from source gives you optimized performance, since the compiler is able to fine tune the performance to the system. On the other hand, ...
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1answer
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Is there a way to tell whether my EFI bootloader would accept the signature of the binary without reboot?

Assume that I have just installed a signed EFI bootloader (e.g. grub2 from Ubuntu 14.10 amd64 on a Lenovo IdeaPad U410 which can only boot in secure boot EFI or legacy mode) on a machine from within a ...
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Google Chrome proxy settings “with Username and Password”?

I am able to use the google chrome under on Linux Mint behind the proxy. But when the browser starts, each time I have to enter the user and password for the authentication. Is there any way I set ...
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1answer
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How to start a desktop session without x and also runs a script?

I have a Ubuntu server with LXDE for development, now how would I create a .desktop file to start a session that doesn't startx but actually logs me into a regular tty1 session and also runs a ...
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Ubuntu gnome package installation error

When trying to install insight from some ppa repositories i get these errors. sudo apt-get install insight Reading package lists... Done Building dependency tree Reading state information... ...
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1answer
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Change Ownership Of Linux Directory

I Have a Netgear ReadyNAS and have set up SFTP on it. I created a user named "newuser" and changed directory to "newdirectory". If I run the command chown newuser * -R inside of "newdirectory", will ...
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How do I create the Microsoft bootloader on the EFI partition? [duplicate]

I have Linux and Windows installed in a dual boot configuration. The Windows bootloader is corrupt. I want to reinstall it using the Windows recovery partition but I do not know how to boot to it ...
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Internet sharing between PowerMac G3 running Linux and Windows 8 computer

I have a PowerMac G3 on which I have installed MintPPC Linux (a version of Debian) so I can run it as a web server. This computer has two network cards, one is in the motherboard and one is a PCI ...
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Ubuntu AMD Graphics card Drivers (AMD r9 275)

I have a Lenovo y40-80 with an AMD Radeon R9 275 graphics card. I installed the AMD Catalyst Control drivers on Ubuntu Gnome, but in my settings it says my graphics card is a TROPO XTX (6820). Here ...
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Anoymous ip route on my server

After typing "route -n" on my server, i figured out these lines 1.0.104.156 - 255.255.255.255 !H - - - - 1.9.22.84 - 255.255.255.255 !H - ...
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How to know since when a package has been installed on a linux system

How can I find out the date (and time if possible) of installation of any package on Linux Operating system. For Ubuntu and using apt-get
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Linux x64 VMWare image virtual hdd not expanding

I've been using virtual machines for a long time, mainly with VMWare Player (currently 6.0.5 build-2443746). I currently use a linux (openSuSE 12.2 x32 - KDE) virtual machine for everyday work, and I ...
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conky execpi command only reads first 256 bytes of output

I'm trying to set up conky with conkyForecastWU using a .conkyForecast.template. I include the forecast command as follows in my .conkyrc: ${execpi 1800 conkyForecastWU ...
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FTP experts needed - FTP with TLS doesn't work, nor can i change port in pure-ftpd

Hey guys! I have been having problems with my ftp server that i have tried fixing for over a week now, and i was wondering if you could help me with it. My configuration: I am running Raspbian on a ...
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Permission denied one correct login even as root after changes to /etc/pam.d/system-auth

I changed my system-auth file in etc/pam.d to the following. #%PAM-1.0 auth required pam_env.so auth required pam_lastlog.so inactive=35 auth required ...
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File size is different in unix servers but count matches

I have a file in two servers like p01 and p11 ,both having same no of records but when i check the size both are different. Can anyone please explain me why it is like???
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Suppress extraction of __MACOSX directory when unzipping

ZIP archives produced on Mac OS X systems usually include a __MACOSX directory which is useless, annoying, and unwanted on pretty much every other OS. For unpacking ZIP archives I use Info-ZIP, which ...