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.

learn more… | top users | synonyms

0
votes
1answer
4 views

How do I print all passwords in Gnome Keyring (seahorse)

I can access all passwords in my Gnome keyring just fine. Everything works ok. But in case things go awry, I'd like to backup all passwords on a piece of paper and store it elsewhere. However, I can't ...
-3
votes
0answers
14 views

Where is the SSH documentation [on hold]

I'm trying to create an SSH client using socket in C++, but I can't find the documentation for how SSH works. Where can I find it?
0
votes
0answers
5 views

How can I ping successfully from an vlan interface on Linux?

I created a VLAN interface on my Ubuntu VM: root@vagrant-ubuntu-trusty-64:~# ifconfig eth0 Link encap:Ethernet HWaddr 08:00:27:2e:8d:5d inet addr:10.0.2.15 Bcast:10.0.2.255 ...
0
votes
0answers
11 views

How to access Brother network scanners

I have two network/USB all-in-ones that are in separate networks, Brother MFC-7840W and Brother MFC-9840CDW. The operating system is Ubuntu 14.04 LTS. USB works for printing and scanning for both. ...
1
vote
0answers
6 views

Trying to get Bridged Networking mode in VMWare Player - Fedora Host

I'm fairly new to Linux, having played with it for a while back in 2002-2003. I recently set up Fedora 21 on a Lenovo Thinkpad Yoga, and so far so good. I'm having issues with VMware Player. I have a ...
0
votes
2answers
10 views

Running scripts independently on Raspberry Pi

I have a couple of python programs, such as one which checks if the Collatz Conjecture is applicable for a given number or not, and writes output to a file (it runs on a Raspberry Pi). Although I ...
1
vote
2answers
29 views

Does Bash have cache of executables?

I was just writing a C++ program on my Ubuntu 14.10 computer. As it is a client/server program, I has three terminal emulators open: one for writing code and compilation, one for client testing, and ...
1
vote
1answer
7 views

How to export an environment variable inside window manager?

I can export VAR="value" and use $VAR from within a terminal until I close it. Is there a way to get this behaviour, inside a window manager/graphical environment? exporting an environment ...
1
vote
0answers
7 views

Restore [non-boot drive] root directory from kernel image

Accidentally overwrote the root directory on a 2nd drive, .. but the subdirectories are still there [i.e. cd to a subdirectory drive is successful]. Problem is, the root directory in the partition is ...
-1
votes
1answer
14 views

difference between fstab and mount -a?

I have an smb share on a NAS that I am trying to mount on a Debian box (RaspPi). So far so good. I added the following entry in my fstab file: //192.168.1.xx/yann /home/pi/buffalo cifs ...
0
votes
1answer
6 views

How do you force linux to treat a tcp packet as if it were at the destination ip?

The situation: A tcp packet arrives on eth0 with destination 8.8.8.8. This packet meets some criteria that makes me want to intercept it (lets say I am interested in all packets from source ...
3
votes
0answers
7 views

Linux: Prevent keyboard turning screen on under X

I'm trying to bind a key (using xbindkeys) to turn my monitors on/off under X. So far I have the key bound to this script: #!/bin/bash MOUSE="Logitech USB-PS/2 Optical Mouse" if [[ ! -z $(xset q | ...
0
votes
0answers
34 views

bash doesn't find “./file” altough file is in current directory

This tells me that there is a file called arm-uclinuxeabi-gcc in the current directory: manuel@manuel-VirtualBox:~/linux-cortexm-1.12.4/tools/arm-2010q1/bin$ ls -l total 16808 -rwxr-xr-x 1 manuel ...
1
vote
1answer
10 views

Send and receive raw 802.11 frames on Linux

I'm looking for a way to send and receive raw 802.11 frames using USB wireless adapters (such as the Alfa AWUS036H) while they are in monitor mode. Is this possible? There are plenty of ways to do ...
1
vote
0answers
11 views

What's the minimum overhead of a Linux container?

If I understand this correctly, a container, once running, shouldn't have any CPU overhead. Is that correct? It does have a memory overhead. How big might that be? How would I measure it?
0
votes
0answers
15 views

Remote desktop options for modern linux

I need to be able to access a linux box (currently running Centos7 and GNOME3 classic, although I suppose that could change if it had to), from windows, from both the local network and remotely ...
1
vote
1answer
26 views

Why does root cron job script need 'sudo' to run properly?

I'm running this simple script on my Raspberry Pi to auto update so I can forget about it. It also keeps a log that says whether the update was successful. The script is update.sh: #!/bin/bash echo ...
0
votes
0answers
15 views

Create clean PDF files?

I have multiple PDF files that could contain malware, so I want to create clean PDF files using utilities available on Linux. My idea is to convert the PDF files to images, then convert the images ...
2
votes
3answers
236 views

As a user with a home server, is it particularly bad or dangerous to open port 22 to my server?

I have a CentOS home server that I use for various things, which sits on my home network behind my router. Normally when I want to do something remotely I will VPN in (my router has a built-in OpenVPN ...
0
votes
0answers
10 views

VPN does not reconnect (cannot resolve host address)

maybe someone can help me: At the moment i am trying to configure a fail-safe VPN connection to a commercial VPN provider on a virtual machine. This is working fine, until my router wants to reset my ...
1
vote
0answers
9 views

check_oracle_health with OPS$Nagios account

I can login to my database via sqlplus with the OPS$ account, but i cannt seem to get it to work in with the nagios check_oracle_health. Im testing from the command line. ...
0
votes
1answer
57 views

Which system is this?

I'm working on a project that build its image .qcow2 based in a temporary file system generated in /tmp/ folder. It looks like this: $ls -la /tmp/ -rw------- 1 root root 7G Jan 30 09:55 ...
1
vote
1answer
12 views

Mount external hard drive with r/w permissions for minidlna

I trying to mount my external hard drive (NTFS) on my raspberry pi in /home/pi/dd But I would like to have r/w access to all files on this HD because I want to use one of its subfolders with ...
0
votes
0answers
7 views

Can Netflix OSS system be used for applications built in php and/or python?

I came across NetflixOSS open source project http://netflix.github.io/#repo I was wondering if it would work out of box with php and python applications. How can a person tell what types programming ...
0
votes
1answer
23 views

Changing systemfile on linux - from ext3 to ext4

I would like to change file system on one of my disk. I know steps: format, unmount, install ext4, mount, but I can't find any helpful information about it. Could you help me with it?
0
votes
1answer
18 views

Linux C Compiler

I've just tried to install APCUPSD and have run into a missing C compiler error. I then ran yum install compat-gcc-34-g77 which went fine but the error did not go away, I tried which gcc as well ...
0
votes
1answer
36 views

Preferred linux partition sizes on modern systems

How much should I allocate for / (root/boot) in 2015? Do I need to account for additional programs to be installed in this partition? I don’t want this to be a discussion about the size of the swap ...
2
votes
0answers
14 views

VM image inaccessible in Virtual Box

I have Virtual Box installed on base OS RHEL 5.5. I am using Windows 7 as a VM image on Virtual Box. While transferring a folder of 600MB on Windows I got a Virtual Box error saying Memory limit ...
1
vote
0answers
11 views

What could be reason for Tx packet error in ifconfig output

I am working with MAC to MAC MII link in my embedded board. one end of link has MPC8569 processor (free scale) and other side has BCM68610 controller (broadcom). I am trying to ping my switch from my ...
1
vote
0answers
11 views

cannot see files from SSHFS

I followed the instructions provided by digital ocean to mount an SSH connection using sshfs and macfuse. It is working from the commandline I can see the remote folders in /mnt/mydir But in Finder ...
-4
votes
1answer
32 views

How to remove Linux Mint to install Windows 8?

I have a computer with only Linux installed. How do I remove it to install Windows 8? All I see online is about dual boot but I don't have that, just Linux on my computer. The way I installed Linux on ...
-1
votes
0answers
8 views

Shared data partition for dual boot, multiple hard drives [on hold]

What is the best way to approach doing a dual-boot (Windows + Linux) with one SSD and one HDD? Naturally I would partition the SSD to have Windows and Linux. I want the separate HDD to be for data, ...
0
votes
0answers
14 views

HTTP download speed difference in windows 7 vs linux

I have a strange situation regarding a Windows 7 Home Premium PC which is showing limited internet transfer speeds for no apparent reason. The setup: internal gigabit LAN, behind a TP-Link WDR3600 ...
0
votes
0answers
6 views

How to make application installations permanent with Linux Mint in a VirtualBox?

I installed Selenium, PyCharm and more software on Linux Mint in VirtualBox. However, once I exit the Mint and VirtualBox and login back later on, I find the installed software to be gone. I get a ...
0
votes
0answers
9 views

Alternative to Alt-Tab on Openbox?

I get RSI from using Alt-Tab. 1) Any easier app or way to switch tasks? 2) Can I map it to a single key ? I use Openbox as my Desktop Environment and I don't use panels much.
0
votes
0answers
10 views

How to get current SSH passprase from Apache2 server?

I’ve fogotten passphrase for my SSL certificate private key, however, I’ve got running Apache sever, that uses that key. Is there any way to get passprase or unencrypted version of private key from ...
0
votes
1answer
13 views

Linux program used to gather installed packages, processes, listening ports, etc.?

It's hard to Google this because it seems like everyone and their kid sister has written a script to gather system stats! I once saw a mature program written that is used to gather system stats like ...
1
vote
1answer
17 views

failed to open stream too many open files - php 1024 maximum limit - Redhat - why isn't new limit working?

I've got this message while debugging a problem in a PHP program. I've already edited the /etc/security/limits.conf and added * hard nofile 500000 * soft nofile ...
2
votes
0answers
6 views

Using find on Linux to find files with group/other permissions that match

I've got a need to find all files in a directory where the group and other permissions match (eg. those where the group membership of the file doesn't actually affect access). Since there are only 8 ...
0
votes
1answer
8 views

Linux Watch Memory Command

I am using watch -n 5 free -m command via terminal to watch the memory fluctuate as I run virtual box with a guest that is limited to 4GB of RAM(it allocates 4GB on start of virtual guest). Under ...
1
vote
1answer
12 views

SSH hanging after accepting public key

I'm getting strange behavior from ssh. I'm trying to log in to an ssh user named 'nfs' (e.g. ssh nfs@example.com) and it accepts the public key, but hangs. The contents of ssh -vvv immediately ...
0
votes
1answer
24 views

Strange Vim/terminal use from ssh via Mac OSX

I am using terminal from a Mac OS X 10.10 (Yosemite) and SSH’ing into a fedora machine and am having a couple strange issues with the terminal: When I :q from vim, the contents of the vim screen is ...
0
votes
0answers
7 views

ssh into fedora inside virtual box over internet

I am running fedora server in a virtual box inside a windows 7 host. I can ssh into fedora from this windows 7 host. How ever, I stay out of my place most of the times with a laptop at my disposal, ...
0
votes
0answers
20 views

MJPEG format not working

Gphoto2 captures live preview frames from cameras and store them as a MJPEG encoded movie. For some reason, nothing besides ffmpeg works with it as it should, all programs just see the first JPG ...
0
votes
0answers
19 views

Linux virtualbox machine ssh from host

I've recently created a CentOS 6.5 Virtualbox machine. (Portable-Virtualbox) This is currently a replica of the CentOS 6.5 desktop that I use as a file server. In order to use this Virtualbox CentOS ...
0
votes
0answers
8 views

user/sys/irq separate load averages

Is there a way to get load averages for each type of load on Linux? I have a router doubling as a web server and I'd like to have a load average for user+sys (i.e, time spent serving pages, roughly) ...
1
vote
0answers
6 views

How to check whether MOD drive is working in Linux based system

I have an issue with the Linux based computer which belongs to Hitachi MRI Medical Equipment. We replaced the MOD drive(not CD or DVD) which was used to read MOD disks. After replacing the Drive I am ...
0
votes
1answer
21 views

Kali Linux inside VMWare using NAT: DNS not resolving names

I have a Kali Linux installed in VMWare Workstation. The virtual machines is configured for using NAT. The host server is Windows 8.1. DNS in Kali is not working: $ ping -c1 www.google.es ping: ...
0
votes
0answers
18 views

Screen: user session closed, why?

For a couple of years now have been relying on a bash script that invokes a java server process via screen; until last night it has run flawlessly, just ssh into remote server >> sudo screen >> invoke ...
1
vote
0answers
7 views

ethernet port is not detected in freescale MPC8569 board after kernel updrade

I have a freescale MPC8569 embedded board. previously, I put linux version 2.6.32 on it and all interface connected to processor are working properly. Now, I upgraded my linux version to 3.10 and now ...