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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i3wm only displays DHCP working, normal?

So I've recently installed void linux [http://www.voidlinux.eu/] and decided to go with just a wm, so i3 it was. Last time I had used i3 it displayed DHCP:no but this time it is saying yes and even ...
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12 views

How to run remote linux command that won't stop after closing shell

There is a Linux terminal command that I want to run on a remote machine. I can ssh to the machine and begin executing the command (it's output being directed to an output file); however, once I ...
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0answers
9 views

Find out who deleted email forwarder in cPanel

We are trying to locate some information about a user who deleted an email forwarder from Cpanel maliciously. The time range as to when the forwarder was deleted is unclear, but within the last 30 ...
1
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0answers
12 views

How to find Raspberry Pi on Network

I have a raspberry pi connected to the internet via lan or via wireless. How do I scan my local network for its ip address so I can ssh into it? While I can just connect it to a monitor and manually ...
3
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2answers
18 views

How to tell of a GZip file is still being written while being copied

I am getting a gzip file in a path. Input Folder Path: <server>/input_gate I want to check whether the GZIP file I am getting in this folder are valid? I have used the following command. It ...
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0answers
8 views

Look to the Bad Blocks Table (BBT) at NAND Flash with UBIFS to see aging?

I want to use a NAND Flash memory over several years on an embedded Debian controller. So it is using UBIFS to handle wear-leveling and bad-block-management - that is fine so far. But over time the ...
3
votes
1answer
17 views

How to play midi files under Ubuntu

Playing midi under Linux is an old topic that nobody talks about nowadays. Hence all documents/blogs/how-tos on playing midi under Linux are kind of outdated. I've exhausted all my google searched but ...
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0answers
17 views

Fedora 21 - Unable to log in to user account

I am interested in turning my old Windows XP computer with a 32 bit processor into a Fedora computer. I have installed the 32 bit version of Fedora 21 on the computer with no problems at all, wiping ...
2
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0answers
16 views

How do I trick Nautilus to use “sudo mount” instead of just “mount”?

Thanks to new "security fixes" in mount or mount.cifs (I'm not sure which) it's no longer possible for normal users to mount anything, even if they are explicitly allowed using the user, users or ...
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0answers
12 views

Install SW with Non-Root User

We are trying to install a IBM Inofsphere Information Server on a RHEL 6.4 machine for a client, The client has the requirement that the software not be installed from the Root user and you must ...
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2answers
22 views

Combine the results of a CAT and TAC in a single window in Linux

I have two log files which I would like to view on my screen simultaneously. Below you can see my commands: pi@raspberrypi ~ $ watch -n 1 tac /home/pi/log/log.txt pi@raspberrypi ~ $ watch -n 1 cat ...
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0answers
4 views

Internet gets very slow when I open dc++ for a while

If I do continuously downloading anything in linuxdcpp it gets slower and slower.(dc++ itself and the internet in general). It gets that bad, if I wanna open any website it is loading and loading till ...
0
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0answers
17 views

Reinstall Linux by keeping user accounts

I am going to upgrade Linux Mint 13 to Linux Mint 17.1 on a home computer. I am going to do a fresh upgrade. There are three partitions for swap, / and /home. I will preserve swap and /home. The ...
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0answers
5 views

How to switch off “you can use new shorter array creation syntax” hint in NetBeans IDE 8.0.2?

I use NetBeans IDE 8.0.2 on Linux Mint. I searched through the options few times, but I can never find the option to switch this hint off in there. I know well about the new syntax in PHP, but I ...
0
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1answer
8 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 ...
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0answers
21 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
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1answer
14 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 ...
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0answers
16 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. ...
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0answers
9 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
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2answers
12 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
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2answers
40 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 ...
2
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3answers
17 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 ...
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0answers
11 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 ...
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1answer
16 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 ...
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1answer
8 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 ...
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0answers
8 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 | ...
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0answers
40 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
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1answer
11 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
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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?
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0answers
16 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
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1answer
29 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 ...
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0answers
19 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
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3answers
248 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
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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
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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
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1answer
17 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 ...
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0answers
9 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
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1answer
24 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
38 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
16 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 ...
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0answers
13 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 ...
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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 ...
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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 ...
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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, ...
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0answers
15 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 ...
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0answers
7 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
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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.
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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 ...