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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0
votes
1answer
9 views

firstboot starts Xorg with wrong command line

After installinx nx server, gnome and setting run level 5 in inittab, nx can't connect to X server, but after killing Xorg it can. Looks like I have to accept the license to get rid of firstboot, but ...
0
votes
1answer
49 views

When I boot Linux, it asks for password, pretends to proceed, but then returns to asking it again

I turned off my computer by pressing a turn off button for a long time. Then I turned it on. Usually it doesn't ask for password, but this time it did. So I tried to enter my password and it seemingly ...
0
votes
0answers
17 views

ST-Ericsson cg2900 driver for gps

I'm using ST-Ericsson's chip cg2900, it contains bluetooth,fm, and gps. it's driver, which is a MFD, is explained on this discussion https://groups.google.com/forum/#!topic/linux.kernel/aD_FGvp8D3U ...
1
vote
1answer
30 views

How to delete a file in QNX4 format when a CF card is mounted as read-only in Linux?

Recently, the DMA device of our lab is broken and the suspected problem is in the CF card which is in QNX4 format. I want to delete a file named 'calforce.dat' and recreate it by calibrating the ...
-1
votes
1answer
28 views

Please help. Login and password [on hold]

I don't know anything about Linux. I need your help. My Mom's bf died and some loser addict stole his laptop. I got it back but he installed Linux. There is his user name, then I hit this little icon ...
-2
votes
0answers
14 views

problem in uploading the file on the Linux server in a web application [on hold]

I had an web application running on the Linux server. All modules are working properly but one module in which csv file uploading fails every time. But the same code of application is running on the ...
1
vote
1answer
35 views

Number of packets sent and received on an interface

I'm interested in creating a script which prints total number of received packets and sent packets on an interface. The output should be like: interface TX: number RX: number Can anyone help me ...
-3
votes
1answer
31 views

Have a script (on server) download a file on your computer (local machine) [closed]

I am setting up a special kind of script for a project that I am working on. I'd like my script, when executed, to take a file that is on the server and put it on the computer. I have no idea how I ...
0
votes
0answers
20 views

Multicast is not received using Java on Linux

Setup is as follows: host windows machine, 2 VMs with a Host-Only Network adapter and a NAT adapter. Java program on one VM that sends a UDP packet to the following address ...
0
votes
0answers
38 views

Wireless connection keeps dropping

A little while ago I installed Ubuntu on my tower because I was getting tired of Windows; but it seems that either my internet router hates Linux, or the driver keeps choking on itself, because at ...
0
votes
0answers
20 views

C code to send simulated Alt-C to another App window using X11 calls and ioctl [migrated]

I am writing a C program to allow me to send simulated keyboard input to another Application's window open on my desktop. I need to be able to find the App window by name and get an id for it, and ...
2
votes
1answer
17 views

Unable to change ulimit setting

I edited /etc/security/limits.conf to have root hard nofile 20000 root soft nofile 10000 And added session required pam_limits.so to /etc/pam.d/common-session and ...
0
votes
1answer
45 views

How can I modify client SSH settings?

I am logged in a system as student. How can I modify client SSH settings so that when I write the following command ssh 123.4.5.67 , SSH client authentificates me as another user?
0
votes
1answer
29 views

What is the most suitable linux distribution for my Asus x550ld [closed]

Recently I installed ubuntu 14.10 on my pc in dual boot with windows 7 but neither the touchpad nor the network connection is working. Moreover I has problems when booting windows : windows partition ...
0
votes
0answers
52 views

SSH randomly stops working, and any other request from network related services

I'm pulling my hair out right now, since I don't know where else to look, what else to do, to find out why the SSH stops working suddenly. The ssh-server is on the same network as the client, but it's ...
0
votes
0answers
40 views

Need to find reason for USB I/O errors [closed]

I have a program written in Python 2.7 and wxPython 2.8 under Mint 13. One of the modules pulls data off a number of USB devices for subsequent analysis. Everything works fine with Dell laptops but ...
0
votes
0answers
41 views

device descriptor read/64, error -71

I have problem with USB ports on MSI WIND laptop. I have FC17 installed and usb printer sometimes not responds. If I replug a printer in USB port - it's working. Tried to change usb cable and printer ...
0
votes
0answers
65 views

writing my first exploit in linux [migrated]

How can I modify the source code in the func( ) so that the address to which the program returns after executing func () is changed in such a manner that the instruction printf("first print\n”) is ...
1
vote
0answers
39 views

CentOS 7 Crash on boot

Getting this message attempting to boot CentOS 7 BUG: unable to handle kernel NULL pointer dereference at 000000000000009B And then a kernel panic Happens when trying to boot from the OS HDD or ...
-2
votes
0answers
19 views

VMWare Linux Kali - Cannot connect to internet [closed]

VMWare Linux Kali Cannot connect to internet. Please help me sort this Thanks V
0
votes
0answers
13 views

Linux host list virtualbox vrde (guest virtual kvm) clients

I have a GNU/Linux machine running virtualbox with VRDE access. I am looking for a way to count the number of rdesktop connections to an individual guest. Is this possible?
-2
votes
1answer
34 views

Cannot go full screen with Linux Kali on VMware virtual machine

I just get this, not full screen on my bought VMware: What can I do to get this full screen?
1
vote
1answer
31 views

Is there a console command that replicates Alt+[F1..F10] to change terminal?

Hi I'm a Linux noob developing a custom embedded barebones distro. I have console access over serial to my machine. I would like to control what tty my user sees on their framebuffer. Currently the ...
0
votes
1answer
17 views

linux with KDE, disable CTRL+F9 combination key

On my linux (ubuntu) with KDE, when i press CTRL+F9 the system shows all the opened windows as miniatures, allowing me to select one by clicking on it. Unfortunately, the very same key combination is ...
0
votes
2answers
36 views

Can I install on my PC an Arch Linux installed in VirtualBox?

I was wondering if I can install Arch Linux in VirtualBox, installing there all the apps I will use, and then make an ISO to install on my PC (I mean, as host and not as guest). Is there a way to do ...
1
vote
1answer
28 views

Delay before new/modified file appears

I'm seeing two separate cases where there's a (random?) delay before a new or modified file appears. The first case is my Rails development environment: I modify a code file (in vim) and save it, ...
0
votes
2answers
35 views

How to install Linux on a system with no CD-ROM drive and no USB boot option?

I have a laptop from 2000 with a CD-ROM drive that no longer functions. BIOS offers no options to book from the USB drive. I can see no options in BIOS for booting to a network. What other method can ...
9
votes
2answers
510 views

How do I force a user to change a password at the first time login using ssh?

I'm trying to force a newly created user to change a password at the first time login using ssh. For security reasons I want to give him a secure password until he logs in for the first time. I did ...
1
vote
1answer
27 views

take the DRAM performance of the processes into consideration when scheduling

The CFS scheduler in Linux schedules the processes based on the virtual runtime of CPU. But, the DRAM memory is the bottleneck in most of the emerging domains. Why not take the DRAM performance of ...
0
votes
1answer
12 views

Linux bash commands in android 4.1.2?

Is there a way to run linux bash commands in android (particularly 4.1.2 rooted or not rooted)? Will it void the warranty from phone manufacturers?
0
votes
0answers
26 views

Linux user in group can't cd into directory with executable permission

(Ok, originally asked this on StackOverflow, got it downvoted with a suggestion to post on SuperUser, where I got a hint (but no luck) with using FUSE to mount media. As serverfault seems to have the ...
-5
votes
0answers
45 views

Does Linus Torvalds care about the GNU philosophy? [closed]

I've watched a few interviews with Linus Torvalds and read a few articles and it doesn't seem like he has the same opinion on software as Richard Stallman does. I think that he didn't license the ...
0
votes
1answer
24 views

How to monitor bunch of machines for CPU usage from another machine?

I have couple of machines as shown below which are running Ubuntu 12.04 and I need to find out the process name along with its pid whose CPU usage is greater than 70%. Below are the machines as an ...
1
vote
0answers
4 views

Is inode_readahead_blks independent of read_ahead_kb?

I've been reading through the kernel documentation for block device sysfs tunables and I ran across the description for read_ahead_kb: Maximum number of kilobytes to read-ahead for filesystems on ...
0
votes
1answer
38 views

Is my home folder encrypted?

Is there a way to check if my home folder is encrypted? I believe I checked this option during the installation, but now I'm not sure.
0
votes
0answers
13 views

serial port devices not found on bootup

I am running linux kernel 3.9.2 on my embedded device. I have this standalone program called usb_device_label.c, which checks for various USB devices connected and passes the information to main ...
3
votes
2answers
59 views

Can't dual boot Windows 7 and Linux Kali

Long story short, I don't want to / can't use Kali on a VM properly. I want to set up a dual boot machine. I've done the following: I downloaded the Kali ISO and used Win32DiskImager to put it onto ...
0
votes
1answer
25 views

compiling php 5.4 and higher with mysql

i'm running a pile of mediawiki instances on oracle enterprise linux and i'm trying to upgrade from 1.19.x to the latest LTS version, 1.23.x. i'm currently using php 5.3 and due to some odd issues ...
1
vote
2answers
23 views

Repairing from Live USB

I need to repair a network related package (Samba) that is preventing my system from booting. (mint 17). I have a bootable USB stick with the same OS. How would I fix the broken package on my hard ...
1
vote
2answers
39 views

Determine ethernet speed in RHEL 6

How to check whether eth0 has connection speed 10Mbit, 100Mbit or 1Gbit? I tried ethtool, but it says No data available. I also tried dmesg | grep -i duplex and it's empty. [root@dioptase ~]# lspci ...
-1
votes
0answers
32 views

display directories without any sub directories [duplicate]

Display all the directories throughout your login which does not contain any sub – directories.it means it should not display the directories which contain any sub directory or folder. for e.g. i ...
0
votes
2answers
34 views

Arch linux get network interfaces names

I need to get all intefaces names in Arch linux. If I issue command ifconfig, I get following response: [root@pi ~]# ifconfig eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 ...
0
votes
0answers
7 views

What are the /proc/drivers directories organisation for nouveau or radeon

The context: I need to get some basic informations from the graphic card in a lib in lua. The idea is to not rely on external software (like hwinfo for example). I know that for a system with an ...
0
votes
1answer
15 views

Does network interface device have device inodes [duplicate]

Does network devices have device nodes because i have looked inside /dev directory and have not found any corresponding device node although it's up and running
2
votes
1answer
26 views

What entropy sources are used by the Linux kernel?

man 4 random has a very vague description of Linux kernel entropy sources: The random number generator gathers environmental noise from device drivers and other sources into an entropy ...
1
vote
1answer
57 views

Mounting a NFS file system by changing default owner

I want to mount a NFS file system with user/group ownership of <admin> . How it can be done ? mkdir /cert chown admin.admin /cert mount -t nfs 192.168.2.149:/portalweb /cert/
0
votes
2answers
49 views

I need to run a one line startup script under gnome and systemd

nvidia-settings -a [gpu:0]/GPUPowerMizerMode=1 now what is the easiest way to run this one bash line of code at startup??? I am running Gnome 3.14.
0
votes
0answers
6 views

vmxnet3 multiqueue support in vmware workstation

I'm working on an application based on RSS multiqueue(receive side scaling), and testing it on vmware workstation, but found that vmxnet3 nic have problem with RSS. My linux virtual machine has 4 ...
0
votes
0answers
16 views

WiFi randomly cuts on/off, other machines in the house unaffected

I just recently installed Fedora 20 on my Macbook Pro. I followed the guides on the internet and as most of them suggested, installed akmod-wl to handle my Wifi device. The output of lspci regarding ...
0
votes
1answer
14 views

Mechanism of multiple call for one script in the same time

Maybe this question is stupid Anyway I have the ruby script which is calling from different places in the same time(with defferent options). Is it safely and how this mechanism realized in linux? I ...