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
14 views

Concatenate four binary files using alternating pattern in Linux

I need to concatenate four binary, meaning non-text files. Lets say I have four files: file1: AAAA file2: BBBB file3: CCCC file4: DDDD Now I want my resulting file to look like: ABCDABCDABCDABCD. ...
0
votes
0answers
20 views

Metasploit Android payload [closed]

I am running Kali linux on virtual box My virtual box network setting are adapter1-->NAT and adapter2-->Host only ifconfig--->ip address--->192.168.56.101 I'm trying msfvenom... android payload of ...
-1
votes
0answers
29 views

What does the “:.” in output mean when running “ls -R” in Linux?

ls -R is used for recursively listing out the files, directories and sub-directories. In the output I see a :. symbol when the ls -R is executed. Can someone please help me understand what that ...
0
votes
1answer
25 views

Problems with local networking on Kali Linux

I installed Kali Linux on VirtualBox recently. I do not have an external adapter; only my internal adapter. The problem is when I set “VirtualBox -> Settings -> Network ->Adapter1 -> NAT” I can ...
2
votes
1answer
64 views

System error after Kali Linux dist-upgrade

I was doing a distribution upgrade on Kali from 1. 1. 0 to 2. 0 using: sudo apt-get dist-upgrade Upgrade was of 2 GB and after downloading 1 GB, and I wanted to download openssh-server so I did an ...
0
votes
2answers
39 views

How to make a partition in Windows for a Linux distribution?

I've tried to find out how to do this without success. I want to make a partition that will be available for a Linux distribution to use when I install it, so I can set up a dual boot. I have a ...
1
vote
0answers
75 views

Mounting HFS+ partition on Arch Linux

I'm having some problems with mounting an hfs+ partition on Arch Linux. When I run sudo mount -t hfsplus /dev/sda2 /mnt/mac I get this error: mount: wrong fs type, bad option, bad superblock on ...
2
votes
1answer
20 views

Install packages onto USB

I have a Raspberry Pi 2 with Kali Linux. The SD card is only 8 GB, and the image for Kali for the Pi does not come with many packages. I do not have much space left on the SD card, so I would like to ...
0
votes
0answers
16 views

Wireless card in virtualbox

I am currently trying to get a wireless card to work in kali linux(on a virtual box), as I need it to run airodump-ng. I have a wireless card built in to my laptop, but with some research I found ...
0
votes
0answers
22 views

How do you update a DNS server through an SSH tunnel?

I have a Linux machine which is set up to use dynamic DNS. My organization blocks access to the DNS server, preventing me from updating the IP address. I was wondering if I could make an SSH tunnel to ...
0
votes
0answers
53 views

Encrypt hard disks with VeraCrypt in a mixed Windows / Linux system

My system is a dual boot Ubuntu / Windows PC. I installed several hard disks: Two SSDs (one for Windows 7 Pro, one for Kubuntu 15.04) and some conventional disks for data. Currently the Linux disk ...
0
votes
0answers
22 views

How to create hybrid live USB

I have a laptop running stock UEFI and Windows 8.1. I want to create a bootable live linux USB stick that can be used to boot either my older BIOS system or my newer UEFI system. I am ok with having ...
0
votes
3answers
38 views

How do i change my display name in Linux without adminstrator privileges?

I recently got an account in a network, and the administrator misspelled my name. Is there a way to change it on my own?
1
vote
1answer
71 views

Out of physical memory on notebook - Correct approach?

I have a Fedora 21 on my notebook and it sometimes runs out of memory. The notebook has 4GB of system RAM and the OS takes up only about 450MB of disk space. I am sure that the culprit is Chromium; ...
0
votes
1answer
13 views

Install package not in repositories so that dpkg knows about it

I am trying to compile some software for my raspberry. During the configuration process, the following appears: configure: error: Requested 'libavcodec >= 55.0.0' but version of libavcodec is ...
0
votes
0answers
12 views

Switch between Qt4 and Qt5 with environment variables

On Ubuntu 15.04 I can switch between Qt4 and Qt5 by installing qt4-default or qt5-default but how can I do so without installing packages? I tried (source: ...
0
votes
1answer
30 views

start systemd-nspawn/systemd container on boot

I've been working with systemd-nspawn and have a couple of containers that I'd like to automatically start at system start. I'm using arch linux and according to the archwiki entry, the following ...
1
vote
1answer
18 views

How do I run an application only as long as my home-folder is decrypted?

I've recently started using syncthing, and I've run into a challenge: I have my home folder encrypted on my laptop, and I want to sync folders from inside my home-folder. The folder is encrypted ...
0
votes
0answers
23 views

How to check /var disk space usage by SNMP OID?

How can I check available space on a specific partition like /var using SNMP? the OID .1.3.6.1.4.1.2021.9.1.7.1 refers to available space on the disk. How can get partition's free space?
0
votes
0answers
15 views

Freeze During New Linux Mint Installation

I just tried to install the latest edition of Linux Mint, but was unable to because the install froze midway. I tried again in compatibility mode, but it just froze again. There was a wall of text ...
0
votes
1answer
37 views

Crontab scheduled backup not running

I need to have the ZIP compression happen on a different drive than the server due to limited space. Here is the command is the line I use in crontab: 00 1 * * * osmc cd ...
0
votes
0answers
10 views

Can there be multiple persistent scsi names for the same device?

I'm working on a product that runs on a CentOS 6 VM running on ESX 6. As part of the installation, we attach hard drives a pass-through RDMs to the VM and then make partitions on the drive using GPT. ...
0
votes
0answers
6 views

Remote Unison will not write Archive file

I've used Unison (2.48) to sync my workstation with multiple compute clusters in a star topology quite successfully. However, one cluster in particular has a consistent and reproducible problem that I ...
0
votes
0answers
14 views

File permissions using nfs-mounted vfat disk

I'm trying to get full access to a disk on a home server. On the server a raspberry pi with debian, there's only one user, "pi", with root privileges. On the client, an ubuntu machine, I have two ...
1
vote
0answers
13 views

Is there a Linux `setfacl --test` equivalent for BSD?

The Linux version of setfacl, as opposed to the BSD version has that very handy --test option: --test Test mode. Instead of changing the ACLs of any files, the resulting ACLs are ...
1
vote
0answers
26 views

Unrecognized 2TB 2,5" HDD and floppy: error -5 while reading block 0 errors in Linux under VM Ware

I’ve recently bought a 2TB 2.5" external hard drive (Seagate Expansion Portable STBX2000401). I have a problem with this drive, Linux doesn’t recognize it (I am using VM Ware on Mac OS X). When I ...
0
votes
0answers
22 views

How do I figure out a root cause of a zombie process?

A process on a production linux server became a zombie with unknown reason. I wonder if there is a certain methodology to find out what causes it.
0
votes
0answers
15 views

installed the wrong version of JAVA and need to remove and install correct one

I accidentally installed OpenJDK on Red Hat Enterprise Linux 5 instead of Oracle Java Development Kit on Red Hat Enterprise Linux 5. When I try to yum install Oracle Java Development Kit on Red Hat ...
1
vote
1answer
10 views

Why do a certain directory content's permissions change when shutting down computer?

I'm using the sudo chmod -R 775 /dev command via the terminal for development purposes, but, every time my computer shuts down, all of the directory's contents revert to how they were before the ...
1
vote
0answers
18 views

Can I track the CPU load that IPTABLES firewall is causing?

Since IPTABLES is a software based firewall, I am wondering if it is possible to log the exact load it is causing, cpu cycles, etc. On a small system I am sure it is trivial. But how about with ...
0
votes
0answers
8 views

Need to connect and automatically transfer data from Windows 7 PC to Linux Red Hat using SSH

OpenSSH is not suitable for Win 7 in my system.I would like to automatically bridge from Win 7 pc to Red Hat Enterprise server.
-1
votes
0answers
20 views

How can I install Windows on my laptop after an error while installing Linux Mint?

I made a bootable pendrive of Linux Mint by PowerISO. When I was installing the distro there was an error. So I decided to install Windows 8.1 on my PC—an HP AC026TX laptop—but in Windows setup wizard ...
0
votes
1answer
39 views

How to move folders into parent folder on Linux Ubutnu

I have a folder structure with varying depths similar to the following. parent/location/businessname/sublocation/hotelname parent/location/businessname/hotelname All of the lower most folders are ...
1
vote
1answer
13 views

Vim opens symlink even when given target path directly

If I open a file through a symlink first, then :bd that one and later try to open the actual target of the symlink directly, Vim instead opens the symlink. How do I change this behaviour? The ...
0
votes
1answer
19 views

How to format my pendrive?ade it bootable by power iso

I made my pendrive bootable by poweriso and loaded centos on it. But now my pendrive cant be formatted. First it was showing the in this pc but when i tried to format it there was an error and now i ...
18
votes
3answers
909 views

Why does dd sometimes not wait until data is written?

Sometimes, when I write images to a flash drive, this happens: $ sudo dd if=install57.fs of=/dev/sdc 573440+0 records in 573440+0 records out 293601280 bytes (294 MB) copied, 0.549231 s, 535 MB/s ...
0
votes
1answer
13 views

What key will ssh client use if there is no .ssh/id_rsa* in my home folder?

When connecting to a host that expects key authentication, which key (if any) will be tried if there is no key found under the path ~/.ssh/id_rsa* when using ssh client from commandline in linux?
0
votes
2answers
18 views

multiple partitions in windows 8 system causing confusion. Need to install Ubuntu

I have no idea where to install Mangaka Moe as there doesn't seem to be enough room in the partition. I have multiple partitions, some of which seem unnecessary to me. 260 MB OEM Partition 1.44 GB ...
0
votes
1answer
17 views

Can't Access Port number 80 and 443 after adding Iptables rules

In my CentOS 6 i added a IPtables rules like DROP all the policy like iptables -P INPUT DROP Then I allow Port NO 22,80,443 with this command, iptables -A INPUT -i eth0 -p tcp --dport 80 -j ...
0
votes
0answers
20 views

GPG with tar.gz at the same time without the full path being packed

I would like to compress and encrypt a folder: tar -cz "/path/to/the/folder/" | gpg --encrypt --passphrase "password" --recipient "mail@mail.mail" > "/destination/package.tar.gz.gpg" When I ...
0
votes
1answer
25 views

Media center for bananian linux

I have an Banana Pi with Bananian 15.04 r01 running on it. At the moment I use it as download and FTP server. With the VLC player it is even possible to stream videos to my pc but I can't jump to a ...
-1
votes
0answers
25 views

How to Enable VPN?

My network administer has disabled the use of VPN, so I can't use VPN on that network. But one of my math website is blocked due to it. Whenever I log to it, I get an error - ERR-CONNECTION RESET ...
-1
votes
0answers
17 views

asus-n551jk install windows boot loader on the hhd instead on ssd

I removed the dvd-rw and put in it's place the original hdd, and in the original place of the hdd I put the ssd. I tried to install windows on the ssd, but the bootlaoder for some reason always get ...
0
votes
1answer
37 views

appending to file with bash

using: #!/bin/bash echo "Please, enter name" read NAME echo "$NAME," >> MyFile$(date +%m%d%Y) echo "done" it will append the NAME to the file without issue, however, I want it to append the ...
1
vote
1answer
24 views

laptop screen blank, kernel log full of EDID errors

Since a week the laptop screen is blank. If I plug in an external monitor it works ok. dmesg shows a couple of these error messages a minute: kernel: [...] nouveau E[ DRM] DDC responded, but no ...
0
votes
1answer
60 views

I cannot update Kali Linu via apt-get, it's a fresh install

I installed Kali for the second time, since I tried to update to Sana. And now I can't update. It looks like it's using kotnet.kuleuven.be:53 specifically, which is this University log-in for internet ...
0
votes
0answers
15 views

Having problems with the GUI on ubuntu gnome 15.04. Linux responds, but the GUI does not

For some reason, whenever I try to install ubuntu gnome 15.04 on my computer (specs listed below) It boots, I can get to the gnome login screen, and I can log in. But after I log in, it brings me to a ...
0
votes
0answers
11 views

perf requiring elfutils version .158 on centos5, instead of .157 or .161?

I'm on centos 6.5. I have perf version 2.6.32 installed, along with elfutils 0.161 and devtoolset-2-elfutils 0.157. When I run perf, I get the following error: $perf perf: ...
0
votes
0answers
26 views

CentOS 7, how to install the “show desktop” button?

I just updated my CentOS machine to CentOS Linux release 7.1.1503 (Core). I really need a "Show desktop" button that allow me to turn down all the windows and just see the desktop, when I want. I'm ...
0
votes
0answers
13 views

How to preserve the Extended File Attributes in linux?

I'm working on a project where i rely mostly on the file's extended attribute that i set when i create the file. But i'm facing problem while modifying the file. Solid Example: When i edit the file ...