Questions specifically about Linux, as opposed to Unix-like systems in general, or to questions about a specific distribution or program.

learn more… | top users | synonyms

0
votes
0answers
2 views

Diagonal touchpad movement results in wobbly line

I'm using a ThinkPad L440 with a Synaptics touchpad. A while ago (~1-2 months) the touchpad started acting strange when trying to move the mouse pointer diagonally. The picture shows the first line ...
0
votes
0answers
13 views

sort Errors and Exceptions based on date

I need to write a script which will pull all the errors and exceptions from all the .zip as well as from .log files and show them orderly. I wrote this below command echo"$((zgrep -E ...
0
votes
0answers
11 views

how to add application to initrd.gz

I have an initrd.gz (from linux parag*n live cd) I want to edit the file inside and add app like apache,ophcrack,etc. So far I've done extracting by following these step ...
0
votes
1answer
28 views

How to artificially cause a page fault in linux kernel?

I am pretty new to linux kernel. I would like to make the linux kernel fault every time a specified page 'P' is being fetched. One simple conceptual idea is to clear the bit indicating the presence of ...
4
votes
2answers
20 views

Define physical volume inside non-partitioned disk

I've been able to define a physical volume (LVM) in two ways: Creating a 8e (Linux LVM type) partition and then # pvcreate /dev/sdb1 Usign pvcreate directly using a non-partitioned disk and then # ...
0
votes
3answers
51 views

delete all .swp file using rm command

I am trying to find and delete all .swp files in my current directory. I was using below command: rm -i `find . | grep .swp$` But everytime it is giving me this error: rm: missing operand Try `rm ...
1
vote
0answers
16 views

Using autossh to create a persistent, multiplexed ssh connection without any port forwarding?

I want to use autossh to maintain an ssh session configured for multiplexing. This way I can write scripts on my localhost that take advantage of the persistent ssh connection. I'm having trouble ...
0
votes
1answer
26 views

How to get a list of major number -> driver associations

http://www.nostarch.com/tlpi states: "Each device driver registers its association with a specific major device ID, and this association provides the connection between the device special file and the ...
0
votes
0answers
8 views

Unable to boot Kali Linux 1.1.0

recently I have made a USB livestick for Kali 1.1.0 with lili and with Win32DiskImager and tried to boot it in Windows 8.1. When I came to the boot order menu my USB was recognized as an UEFI-device, ...
3
votes
1answer
123 views

Which file in /proc gets read by the kernel during the boot up process?

Which file in /proc gets read by the kernel during the boot up process? This was a question on my LPIC 101 test that I think I might have answered wrong. I searched on google and some other places but ...
0
votes
0answers
13 views

Unable to access localhost in Oracle VM (CentOs[Guest]) from Windows7(Host)

I'm trying to access the localhost in VM from Windows 7 64bit(Host OS), but unfortunately getting "Not Found" Http Error 404. I'm able to login to VM using Putty. Below are the work environment ...
-3
votes
0answers
20 views

Duplicate Image Searcher using Bash [on hold]

I need to create a script to search through a directory (and sub-directories) of a user’s choice, creating a SHA1 hash value for each image. Each calculated value will need to be compared, where the ...
1
vote
0answers
26 views

Why can't Adobe Flash for Mac run on Linux?

As we know, Adobe no longer develops new Flash versions for Linux (except for Google Chrome, i know). It does, however, develop actively Flash for Windows and Mac. Linux can run native Windows ...
2
votes
0answers
11 views

How to find out which process keeps tunnel interface(tun) up?

If I create a tun interface with ip tuntap add mode tun command and force it administratively up with ip link set dev tun1 up command, then the interface itself is always "physically" down: ...
0
votes
0answers
24 views

compare dynamic file [on hold]

I have a list of file that will be updated each hour and the name given to these file is according to the date and the hour for example: list_hour_date.txt list_9_20042015.txt list_10_20042015.txt ...
-4
votes
0answers
26 views

transfer and rotate xyz coordinates [on hold]

consider these 10 points point x y z 01 41.809 10.374 16.139 02 43.348 9.633 16.491 03 41.954 11.651 18.934 04 42.428 12.296 19.653 05 40.667 11.310 19.207 06 ...
0
votes
3answers
27 views

Change display output with xrandr?

My roommate has a really old 1280x1024 VGA display that the driver sets to 1600x1200 by default and it causes it to display a message saying it can't display the input. I can ctrl+alt+f1 and use ...
0
votes
3answers
50 views

Windows to Linux migration [on hold]

I have been working with windows application development in C++ and SQL for around 3 years. I want to learn to develop C++ application on Linux and get myself little comfortable with Linux operating ...
2
votes
1answer
26 views

Detect and respond to ping in userspace

Is there a way to make a linux system react or do something when pinged from another device, besides just sending a reply (or not)?
1
vote
2answers
33 views

busybox tar or split large file to multiple smaller files

I am running Linux version 3.4.8 on an at91sam9g20. I want to take a large record and split it into multiple files. I have tried a number of methods, but none appear to function correctly, e.g. ...
0
votes
0answers
16 views

Configuring tun0 and tun1 IPSEC interfaces

I'm trying to make two IPSEC tunnel interfaces in order to make a bonding but i don't know how to start it since i can't find any tutorial showing something similar. Can anybody gives me an indication ...
0
votes
1answer
20 views

Change screen resolution into Kali on Mac BookPro

I installed Kali in dual boot on my Mac Book Retina, all work, but I have a screen resolution too high. So I need to change the screen resolution, but if I change it, the screen become black, and ...
-1
votes
0answers
42 views

Why is gcc compiler divided into four steps? [on hold]

On looking on the GCC compiler, I've noticed that there are four steps going on inside gcc while compiling some chunck of codes. (Preprocessing, compiling, assembling, linking). I understood the ...
0
votes
0answers
17 views

connecting to virtualbox ubuntu from osx extremly slow

I am running ubuntu 10.04.x as guest on virtualbox from osx x 10.10.x host It works (kind of), but after working a while with it and also after power sleep it can get almost unusable slow. It looks ...
1
vote
0answers
16 views

dhcp ipv6 dynamic prefix delegation

I'm trying to setup Linux-based home gateway with IPv6 support. IPv4 configuration is finished and I'm using IPv4 NAT, ISC DHCP for addresses allocation, PowerDNS for local DNS setup, PDNS recursor to ...
17
votes
1answer
704 views

How does Linux determine what facilities to use to run a (non-text) binary?

I understand that Linux uses shebang line to determine what interpreter to use for scripting languages, but how does it work for binaries? I mean I can run Linux binaries, and having installed both ...
0
votes
1answer
30 views

Linux drop packets if received from another equipment

Problem description : When I establish a VPN connexion between a VPN client and my home server, if the connexion are both across my firewall (pfSense) or are established directly, the connexion is ...
2
votes
1answer
30 views

How can I rasterize all of the text in a PDF?

You know when you have a pdf, which is a scan of a document and it's a really huge file, because it just stores the picture of the scanned document? And there are OCR tools which can help you to ...
4
votes
1answer
415 views

Can I write C programs for Linux on OS X?

In case I'm writing a program (of any kind) in C, that is meant to be run on Linux environment, can I write it under OS X? (concurrency wise for example) I'm asking this because I like programming in ...
3
votes
1answer
35 views

use tar to extract and immediately compress files from tarball

I have a compressed tarball (eg foo.tar.gz) that I wish to extract all the files from, but the files within the tarball are not compressed. That is to say, the contents of foo.tar.gz are ...
0
votes
1answer
9 views

How to capture traffic from a website using tcpdump

I need to capture traffic to https://gmail.com using tcpdump. I solved this by using tcpdump -n dst host <ipaddress of gmail> But is there any way I can directly specify gmail.com instead of the ...
2
votes
0answers
35 views

How often are user repositories abused? [on hold]

No matter which distribution you use, you probably have a package manager and most likely installed one or two packages from an "unofficial source", meaning a regular user has provided it. As ...
2
votes
1answer
82 views

Mount linux mount in windows (without ftp)?

I successfully mounted my external hard drive (ntfs) to /mnt/seagate. I'm using debian and the server is connected over LAN to my PC. So how can I mount my hard drive in my windows explorer without ...
-4
votes
0answers
23 views

Please help me with below expect code

Can anyone please help me with below code :- spawn /usr/bin/scp /opt/ldap/unboundid/backup/binbak/ConsumerDev/binbak_`date +%Y_%m_%d`.tar ...
1
vote
1answer
17 views

Get the time when nohup R program finishes

I want to get the time when program finish. But it always show the same time. Here is my shell script. But it always show that START TIME is same as END TIME. START=$(date +"%r") nohup Rscript ...
0
votes
1answer
10 views

How to benchmark memory in an embedded linux device?

Is there a generic utility to benchmark external memory device (eMMC, DDR) throughput on an embedded device (e.g. raspberry pi)? memtester, bonnie, bonnie++, memtest, dd? I've been running into ...
2
votes
1answer
54 views

Run script every 30 min with systemd

I would like to execute a script every 30 min after booting into the system. I know you can use cron, but I don't plan to use this feature often therefore I'd like to try it with systemd. So far I ...
0
votes
0answers
56 views

Assistance with script on multiple hosts [on hold]

I am running the below script on Server A. Before running this I read the following link: Generate an RSA key pair for version 2 of the SSH protocol #!/bin/bash HOSTS="serverA, serverB" ...
0
votes
0answers
31 views

Should I learn Linux using Raspbian or Debian? [on hold]

Alright so I've worked with Unix a bit in the past (a university course) in which I've gained a slight knowledge of the basic commands, bash scripting and makefiles. Now I'm planning on actually ...
0
votes
0answers
22 views

Install Acrobat Reader in SuSE 10.3

How to install Adobe Acrobat Reader in SuSE Linux 10.3 using commands in a terminal?
1
vote
1answer
40 views

Extracting duplicity backup data

I've made some backups of my previous systems using Deja Dup (duplicity). In my current distribution it's not available, so I've simply extracted the data. Now in order to make that data meaningful ...
1
vote
2answers
21 views

VGEXTEND: How to avoid wiping a swap signature in /dev/sda3?

The problem: [root@195623 ~]# vgs VG #PV #LV #SN Attr VSize VFree fedora_195623 1 3 0 wz--n- 9,50g 0 [root@195623 ~]# vgextend fedora_195623 /dev/sda3 WARNING: swap ...
1
vote
1answer
27 views

my Vimrc disabled the copy/paste action using mouse right click

Am using an open source .vimrc file from https://github.com/amix/vimrc/blob/master/vimrcs/basic.vim, but it is screwing up my default mouse right click copy paste actions. Whenever I do a right click, ...
1
vote
2answers
52 views

What exactly happens in Linux internally when an ethernet cable is connected?

I would like to understand what exactly happens when a cable is being connected to the Ethernet port (assuming dynamic IP addressing): What services are being run and how are they triggered? What ...
4
votes
4answers
290 views

How can I recognize that a certain Linux distribution is based on Debian, looking at file structure? [duplicate]

I have an unknown (let's assume uname -a returns nothing) Linux distribution I have root access to. How can I verify, looking at file structure, that it is based on Debian?
-3
votes
0answers
24 views

Linux os issue when installed [on hold]

I've installed RHEL OS in server. But when i was trying to login immediately after installing the OS ,I wasn't able to do anything. But I can see the OS in the server.I can see only the login page. I ...
0
votes
1answer
21 views

assistance with scripting list of users

I'm new to scripting, so far I've created this: #!/bin/sh ( echo List of users in PRD echo $(date) cat /etc/passwd | awk -F: '{print $1,$3,$5}' | sort | \ while read username uid gecos do echo ...
0
votes
1answer
23 views

Compile network card driver on debian

I buy a new network card , D-Link DGE-528T. My OS is Debian(Jessie) kernel : 3.16.0-4-amd64 but it can't detect the new network card, so I must to compile driver by myself. follow README file. ...
1
vote
0answers
27 views

Kali Linux openVPN does not pass the DNS Leak test

I recently installed Kali Linux on VMWare. I was able to successfully install openVPN following these instructions, but it seems that it does not pass the DNS Leak test. Is there anything that can fix ...
-2
votes
0answers
38 views

Script for getting user list ,filtering through parameter and emailing [on hold]

As an example : Below output is one of the lines from /etc/passwd file rambo:!:2098:203:rambo_babu:/home/rambo:/usr/bin/ks If i run below command on /etc/passwd cat /etc/passwd | awk -F: '{printf $1" ...