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

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1
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1answer
41 views

Track Internet Usage [duplicate]

I am looking to track the internet usage on linux, how can I do this? I would like to come back in x amount of time and be able to see how much data has been used.
0
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0answers
5 views

Whisker Menu - Switch to application if already running

Is it possible to not just start applications but also switch to them if they are already running? For example if Firefox is running and I run it again Linux tells me that an instance is already ...
4
votes
3answers
89 views

Why can't I read /dev/stdout with a text editor?

I just started learning how Everything Is A FileTM on Linux, which made me wonder what would happen if I literally read from /dev/stdout: $ cat /dev/stdout ^C $ tail /dev/stdout ^C (The ^C is me ...
1
vote
0answers
28 views

How to get the mouse/keyboard raw events?

I want to intercept the raw events from the keyboard (or the mouse, eventually). I tried to use the /dev/input/[...] files, they are very practical and I can read the events of any key even caps lock ...
2
votes
3answers
48 views

Search a String in a directory- Get output without filename

I am executing the below command to display the lines which matches the pattern. find ./files/ -name "*.txt" -print0 | xargs -0 grep "5|20150507" And output is ...
1
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0answers
32 views

How to corrupt rpmdb?

Yes, You read it right i actually want to corrupt RPMDB for testing purpose. I tried Googling it but all i got was to, how to rebuild it. So at last i tried rpm --rebuilddb and killed the process ...
0
votes
0answers
7 views

Fedora 16 only boots after manual drive selection [closed]

A colleague of mine recently tried to setup a RAID 1 on our Fedora 16 machine via the Disk Utiliser menu, even since then (even after tearing the raid down and removing all HDDs but the boot drive), ...
-1
votes
1answer
19 views

How to get the screen logs of a oracle VM [closed]

When I start an oracle VM with Linux operating system I want to get the standard output, i.e whatever is coming in the screen. Is there any tool or is there any way to get that so that I can check ...
0
votes
1answer
31 views

What is Dynamic interleave for process in Linux?

I have read through the source defined in /source/mm/mempolicy.c. Starting at line 1178: /* Do dynamic interleaving for a process */ static unsigned interleave_nodes(struct mempolicy *policy) { ...
0
votes
1answer
37 views

Crossover Cable 2 Linux

I have a crossover cable. I want to move files and folders between my two Ubuntu's. I have partially set this up. They can ping each other. But when I use putty the connection gets refused with no ...
6
votes
1answer
34 views

What happens to requests to a service that is stopped with SIGSTOP

If you run SIGSTOP against a web server, does the kernel just tell the network stack to block/sleep all connections to that socket until it is continued? It seems that the server timeout values don't ...
0
votes
0answers
17 views

RHEL6 Idle Thread Behavior

I am doing some cpu performance profiling with the perf tool on a RHEL6 box running weblogic12g. It looks like the idle threads are presented as native_safe_halt in the stack profile but ...
0
votes
1answer
232 views

PuTTY, CygwinX, and X11 forwarding connection refused

I am no longer able to forward X11 using KiTTY/PuTTY to CygwinX. I am connecting to an Ubuntu Server 14.10 machine that is correctly configured to allow X11 forwarding. I am able to initiate X11 ...
0
votes
0answers
43 views

Problem Creating a tun interfcae with SoftEther VPN Client on CentOS

I'm trying to make a VPN connection using SoftEther VPN Client on CentOS 7. When I try to create a new NIC, I get this error: VPN Client>NicCreate NicCreate command - Create New Virtual Network ...
0
votes
0answers
15 views

RPM build check-rpaths error 0x0001

While building my custom rpm package using the below mentioned command rpmbuild -v -bb test.specs I get the below error, + /usr/lib/rpm/check-rpaths /usr/lib/rpm/check-buildroot ...
1
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0answers
26 views

Notetaking app that can sync between Android and Linux on wireless and NOT using any online services?

I don't mind if it needs some hacking. I am using, on Linux, elementary OS's Footnote, which I like very much. If I could use it's database file somehow in Android, that would be great. Is there a ...
0
votes
1answer
45 views

Install Mono Project Offline on Centos 7.0

I want to install Mono on CentOS 7. My problem is that I can't connect my machine to the internet. What Packages do I need to download for complete installation?
0
votes
0answers
142 views

Debian 8 Jessie and NVIDIA drivers

I am in the process of installing Debian 8.0 on a laptop with NVIDIA graphics cards. After a successful installation and reboot I use this guide to install the proprietary NVIDIA drivers; essentially ...
0
votes
3answers
50 views

Remove trailing ~ from files [closed]

I have a list of files ending with ~ I find them with find /var/www/vhosts/domain.com/httpdocs/ -type f -name "*.*~" How can I eliminate that ~
1
vote
0answers
93 views

Why, by design, are group permissions ignored for the owner of a file? [duplicate]

From what I can tell, it would be very useful to have owner/group/other permissions ORed together. This way you can set owner permissions to less than the group permissions when you want to share ...
1
vote
1answer
32 views

How to find all hard links to a given file? [duplicate]

How can we find all hard links to a given file? I.e., find all other hard links to the same file, given a hard link? Does filesystem keep track of the hard links to a file? The inode of a file only ...
4
votes
0answers
60 views

Does anyone actually use and benefit from transparent huge pages?

I've been struggling with transparent huge pages performance issues of late, and noticed many database systems recommend turning it off. I am talking Oracle, Postgresql, MySQL, Cassandra, NuoDB, ...
4
votes
2answers
86 views

Are files defined by their content blocks, inodes, both, or filenames?

Are files defined by their content blocks, inodes, both, or filenames, or something else? Fundamentially, what is the definition of a file? E.g. two hard links can share the same inode and thus ...
3
votes
1answer
52 views

dd shows a random number of records in/out [duplicate]

I'm writing some images back to block devices, with dd, and getting very strange output I've never seen before. # xz -dc goren.img.xz | dd bs=1M of=/dev/storage2/goren 35+2475166 records in ...
-1
votes
0answers
54 views

how to remove root clone folder

I am not entirely sure what i have done to be honest, but i believe i have mounted a folder to a / directory. So no when i am in / folder i have : bin etc lib media proc ...
2
votes
2answers
27 views

Assistance in how to display write only files for a user specified folder

I'm writing a script that allows a user to enter in a folder of there choice. Upon completion, the script will then search starting from the root for the folder and display all the files within that ...
0
votes
0answers
19 views

Want a bash script for file system monitoring for multiple RHEL servers [duplicate]

I'm trying to prepare a bash script to monitor file system utilization for more than 80% on 20 RHEL 6 servers. Below is the script, #!/bin/bash ADMIN="abcd@zxy.com" ALERT=80 dt=`date '+%a %b %e %I:%M ...
0
votes
1answer
47 views

Dtrace on linux

I am trying to install dtrace on Cent OS 6.4 kernel 2.6.32-358.el6.x86_64 with following error [root@mscserver dtrace-20150306]# make all BUILD_DIR=build-2.6.32-358.el6.x86_64 tools/build.pl ...
0
votes
0answers
20 views

Custom Copy Function?

I want to be able to select text in a browser, file, etc, use a shortcut and send that text to a file. The idea is, select an YouTube URL, hit CTRL + [button], the URL gets saved in a file and then I ...
0
votes
0answers
30 views

multicast routing (forwarding) using mrouted from OpenVPN tap interface to LAN

Brief network diagram: Host "S" < Tap OpenVPN > Host "C0" < eth0 > Physical Switch < eth0 > Host "C1" According to mrouted document, it doesn't need to config anything for receiving ...
-1
votes
0answers
38 views

use Android Shared library (.so) files in LINUX

I decompile a APK file, and that program have native codes, in a .SO file. I want use that .SO file in linux. to use inline functions. that codes have functions to connect a ...
0
votes
0answers
22 views

CentOS 6.5 + Pacemaker/Corosync + DRDB + MySQL Error

This is the first time I post on this forum. Glad to join the forum. I doing a project with Pacemaker/Corosync, DRDB and MySQL. I follow the document from clusterlab.org. Everything seem worked OK ...
1
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0answers
104 views

“Error uncleared PCH FIFO underrun on transcoder A” during boot centos 7 on toshiba

I have toshiba Satelite model (C50 1001C model number) laptop. When I start it is giving 1.643361 [drm:cpt_serr_int_handler] *ERROR* uncleared PCH FIFO underrun on transcoder A 1.643363 [drm ...
0
votes
1answer
28 views

FDT and ATAGS support not compiled in - hanging ### ERROR ### Please RESET the board ###

I'm following the tutorial from the below mentioned website to install Linux on SoCkit by Terasic: https://zhehaomao.com/blog/fpga/2013/12/24/sockit-2.html. This is my first time building a Linux, ...
1
vote
2answers
54 views

Pipe to my own script

I've recently noticed this message from grep "grep: warning: GREP_OPTIONS is deprecated; please use an alias or script" I receive this warning because --color=always is defined in my .bashrc file. ...
2
votes
0answers
26 views

Can't figure out what all these sd drives are

So I created a WindowsXP install using an NTFS drive in VMPlayer and now I want to make an image of it using dd. Here is the diskpart info from Windows: Then I use Kali as a live-cd and I find like ...
0
votes
0answers
10 views

Not detecting hfs+ partition on second drive

I'm having a problem, I want to backup some files to my second drive before reinstalling, but I can't mount it. The filesystem is contained in /dev/sdb10, according to GParted, but that doesn't exist ...
0
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0answers
14 views

My windows disappeared from grub after I installed Fedora [duplicate]

I installed Fedora this way : I mounted to /boot/efi my sda1 which is and EFI partition. I created a new partition mounted on / and another on /home. This is the result of my fdisk -l after the ...
0
votes
0answers
9 views

openstack with VMware hypervisor

We have openstack running and we added VMware hypervisour but getting error in Nova nova.compute.monitor.virt.cpu_monitor[-] Not all properties needed are implemented in the compute driver
0
votes
0answers
27 views

Graphic glitches: Linux vs. Hardware, who is guilty?

I am having serious graphics glitches on my Ubuntu 14.04 LTS install on my new Thinkpad X201 i5 540, 2x2GB RAM. I tested the Memory Changed the kernel (3.14, 3.19) Did a BIOS update The glitches ...
2
votes
1answer
31 views

Scripteable GPT partitions using parted

I am partitioning eMMC using following commands in the script, parted /dev/mmcblk0 --script mklabel gpt parted /dev/mmcblk0 --script mkpart primary ext4 32MB 132MB parted /dev/mmcblk0 --script mkpart ...
0
votes
1answer
18 views

what does pam_env.so really do?

Having the following line: auth required pam_env.so Documentation happily says "This module is required—it must run successfully for authentication to proceed." ...
3
votes
1answer
25 views

centralized Address/phone book able to sync with thunderbird

In my office we are looking for a service able to store and manage all the phone numbers and adresses we have and capable of synchronize the database with clients (e.g. thunderbird) on personal ...
-2
votes
1answer
19 views

I am using Kali Linux, but however, I want to know how to switch my normal user account into root admin?

I want to know how to switch my normal user account into root admin? For example, when I log into my account I cannot modify and save sources.list from etc/apt/folder nor can I get an update for ...
2
votes
1answer
26 views

How to change the DISPLAY that an X application is running on (in Linux)?

I know that I can specify what display an X client runs on with a command like gedit --display :0 in Linux. I want to move an application to a different display after it has started. How can I do ...
0
votes
0answers
18 views

Zpanel Not Showing Anything in Admin Screen / Reinstall / Repair Required

I was trying to update zpanel repository so ran few commands including zppy update zppy update zgodx and after that my zpanel admin area shows nothing , it's empty, no modules show, if I try to ...
-10
votes
1answer
54 views

What does the output of ls -l mean? [duplicate]

I'm wondering, what this particular entry of the output of ls -l means. Could someone please explain the meaning of the fields? -rwxr-xr-x 1 root root 920788 Mar 28 2013 bash
0
votes
1answer
29 views

Dependency Resulotion Source packages [closed]

Heading I want to configure nbd-3.10.tar.gz package in red hat enterprise Linux. first i unpacked this source package and successfully untar it and perform ./configure and finally it show me this ...
0
votes
1answer
25 views

Apache giving me 403 on Virtual Host

I have been trying to get to grips with Apache in CentOS 7. I have set up two virtual hosts and created basic index.html pages as follows: /var/www/domainA/public_html/index.html ...
0
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0answers
22 views
+50

GNOME 3: bottom panel window order

I have centos 7.1. At bottom panel opened windows (running applications) are represented (ex: openoffice, thunrderbird, terminal). Question one - How can I change the order of these opened windows ...