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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41 views

synproxy on a bridge

I am trying to implement synproxy to my firewall, on a bridge interface (between eth1 and eth2). Here are my rules: /usr/local/sbin/iptables -t raw -i PREROUTING -i br0 -m physdev --physdev-in eth1 ...
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17 views

How to prepare for a possible unreadable disk from bios after swapping disks?

How to prepare for a possible unreadable disk from bios after swapping disks? I want to switch out my old disk with my working linux mint 16 os and plug in a new disk and install linux mint 17. I am ...
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9 views

Should the patches for LFS be placed in sources folder?

While making an LFS system, a list of all packages need to be downloaded in the seperate folder named sources. Should the additional patches suggested, be also kept in the same folder i.e. sources?
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37 views

how to run bash script from isolinux.cfg

I've been trying to add an entry to a bash script to my custom cd boot menu.. So I've tried to edit isolinux.cfg and load it instead of kernel but didn't work.. Any ideas??
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17 views

how to create a certifying entity? create a Public Key Infrastructure (pki)

I know that must process and technologies used to create a linux infrastructure that allows me to have a server to make it certifying entity. For this I need to know what the technological options ...
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18 views

Slow graphics when using kernel without module unloading support

If this is the wrong place for this question, please let me know. I didn't know where to ask, so here we go: Initially I wanted to disable module loading support for my linux kernel because I know ...
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22 views

How to capture single process and graph it to cacti?

Is there any way that I can get CPU usage or memory usage for single process and graph it to cacti ?
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5 views

can all the users access internet using single credentials in user based squid

configured user based proxy, created one user, and gave the same credentials to all the users in the LAN, will there be any problem?
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28 views

How to access MariaDB on Debian Server from Win Machine on same network

I'm having trouble accessing my MariaDB server from my windows machine on the same network. When I try to create an ODBC connector from within MS Access using the local IP and the correct ...
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21 views

VirtualBox state suddenly SEEMs to have been restored to an earlier time

I have CentOS 7 installed on my Windows 8.1 VirtualBox, and file-system sized 30Gb. It worked fine until this morning, then the storage became full (due to Downloads and Projects). I tried a tool ...
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20 views

net-snmp 5.7.3 - not responding for v1/v2c ping

I am very new to the net-snmp libs and planning to bring it up on a 64bit x86 machine with 4port IGB-PCI card. The snmpd(x.x.x.161) is failing to respond to a server(x.x.x.56) v1/v2c pings. Please ...
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59 views

.htaccess is not working in users' public_html directories

I followed a tutorial: http://www.techytalk.info/enable-userdir-apache-module-ubuntu-debian-based-linux-distributions/ but .htaccess is not overriding Apache's configuration. May be "AllowOverride ...
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34 views

cannot change tcp-segmentation-offload

I have been doing tests with tcp-segmentation-offload on and off, but now I cannot seem to change the parameter anymore, it is stuck on "off" (I can change generic-segmentation-offload) ...
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26 views

timout command is not timing out

I have a timeout command that is not timing out. user@db:~$ ps aux | grep 'timeout' user 4979 0.0 0.0 4440 628 pts/144 S+ 18:52 0:00 sh -c timeout 16 mycommand user 4980 0.0 ...
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28 views

Debian BT878 card stream to external zoneminder

I placed 2 analog cameras in my countryside. I placed one computer and installed ubuntu with zoneminder, but it was too slow and didn't work properly. So now I have another idea - I have VPS on which ...
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44 views

e2fsck block bitmaps

What exactly are block bitmaps? Why would I get the following error: The filesystem size (according to the superblock) is 1219824640 blocks The physical size of the device is 731447296 blocks Either ...
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14 views

Trouble booting with Gnome

I have an HP Pavillion g6 Notebook PC that came pre-installed with Windows 8. I didn't particularly like it and ended up installing the latest version of Gnome on it instead. Since then, whenever I ...
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37 views

tar causes USB disconnects & reconnects

I'm experiencing a very weird behavior on a device running Linux 2.6.24.6. The device has an SD-Card and USB-ports. If I plug a USB Stick/HDD into a USB port and run the following: tar -cf test.tar ...
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71 views

DirectFB does not write to /dev/fb0, embedded device

I am developing a Linux based port for a custom board based off the Atmel at91sam9261-ek demo board. Processor core is arm926ej-s LCD (board customization) is VGA, 640x480, 24 bit packed true color. ...
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376 views

Help In Installing Kernel headers in Kali Linux

I have Kali Linux 1.0.7 on a usb persistent drive as 1.0.8 and above have problem with usb persistence. i want to use cudahashcat as i have a nvidia gt740m.I Wanted to install the drivers but for that ...
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27 views

Two servers fail to communicate with eachother

I'm hosting an Apache Archiva instance on one server and trying to publish some files from my continuous integration server to that server. However I'm getting the following error when trying to ...
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67 views

apache user cannot sudo while running via httpd

I have a requirement where an web application (php) must run a script on another server. I tested running the remote script as apache user by sudo-ing to the apache user via the root user. The script ...
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20 views

How to instruct RHEL6.5 Linux to save/starts states before crush or restart

I have multiple Workspaces, each responsible for different revisions of the same software. Not to have to recreate all Worspaces and open all tools/windows, I'm wondering how can I instruct Linux to ...
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174 views

FreeRadius: Authentication with active directory

I need to setup a radius server with active directory authentication, on a RHEL 6.5 server. I have been following this guide. As per the guide, I have made necessary configurations which are as ...
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30 views

Downgrading nvidia drivers in Sles 11

I'm trying to find out how to downgrade my graphic driver? Current Driver nVidida driver : 319.76, Needed Driver: 319.32 Can anyone help me with some steps on how to do this?
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76 views

Updating drivers for wifi access in kali linux?

I'm trying to run Kali Linux in a Virtual Machine (on a debian system if that matters). Airmon-ng isn't recognizing wlan0 and all of my googling brings up tutorials that say to download the June 26 ...
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18 views

What happens in the operating systems when I connect monitor to a VGA port?

I would like to study the behaviour of the Linux operating system when I connect monitor to a VGA port. What exactly happens inside the OS and the Window Manager, which parts of it are responsible for ...
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9 views

Register a new directive in Tomcat using Eclipse

I'm new user in Linux, using Ubuntu 14.10 version. So I develop in Java using Eclipse and something like Tomcat and Maven. When I try to put this configuration in Tomcat serve inside Eclipse ...
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29 views

Network problem on ESXi Server

I have multiple virtual machines on a server running esxi. Today I've created a new virtual machine on this server, running CentOS. I've tried to setup up the network, but at the final step it says I ...
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222 views

Nvidia Proprietory Drivers for Linux Mint 17.1 (http://www.dell.com/in/p/inspiron-15-3542-laptop/pd)

My laptop has dual graphics (Intel + Nvidia GeForce 820M) and i'm finding it difficult to install Proprietory graphic card drivers for the GeForce. Have tried many methods on Ubuntu 14.04, and they ...
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175 views

When running some X prog. remotely with ssh -X, it says “libGL error: failed to load driver: r600”

OS: CentOS Linux release 7.0.1406 (Core) Kernel: 3.10.0-123.8.1.el7.x86_64 When I run xcrysden (http://www.xcrysden.org/) remotely through ssh -X, it crashes with error: "libGL error: failed to load ...
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53 views

when reinstalled windows 7 no such partition rescue mode grub>

On my laptop i have windows 7 and ubuntu,then i have reinstalled windows 7 home premium after finishing installation it went to rescue mode it says no such partition grub
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311 views

File limits getrlimit(RLIMIT_NOFILE) failed

(32-bit system) Posted a Q/A earlier regarding Chrome crashing because of exhausted limit in open files. Chrome has since run more smooth, (after increasing limit), but still crashes from time to ...
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34 views

Fn key results in slashes rather than brightness, etc

I recently upgraded from Ubuntu 14.04 to 14.10. On 14.04, the Fn key controlled bits and pieces such as mute, brightness, volume, lock touchpad, etc. all worked fine. After the upgrade, they don't. ...
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26 views

oracle11g DB dump importin

I tried to import the oracle11g DB dump but i got below below exception. This command i am using: impdp USERNAME/Password directory=ks dumpfile=dumpfilename.dmp logfile=logfilename.log ...
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90 views

dyanamically creating directories with pam_mkhomedir and mysql for vsftpd

I'm a Linux noob, so hopefully someone will be able to help me to get this up and running. I've installed vsftpd using the following instructions ...
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65 views

ssh into fedora inside virtual box over internet

I am running fedora server in a virtual box inside a windows 7 host. I can ssh into fedora from this windows 7 host. How ever, I stay out of my place most of the times with a laptop at my disposal, ...
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32 views

Linux RPC - security options

I am reading about Linux RPC at this link. I want to ask, in comparison to Linux IPC (like system V IPC), where the recipient of the interaction can configure allowed access using Linux DAC, what ...
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45 views

How to use tshark or tcpdump to calculate bytes transmitted

I am using this command with tshark: tshark -r pcapfile "tcp and ip.src==192.168.1.1" -T text -V -x | grep 'Total Length' This essentially parses the pcap for only connections from the source ip and ...
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0answers
44 views

Switch between tabs command

By mistake I may have deleted the Switch between tabs shortcut, now I want to add it as a custom shortcut but I can't find the command to add. How do I add it back? I'm using kali Linux and I'm ...
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28 views

network connection issue with Ubuntu installed on VM player

The Ubuntu was installed on Windows 7 using VmWare Player. However, the internet cannot be accessed from Ubuntu. The Windows host works fine with internet. Examining the "Network and Sharing ...
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67 views

Removing Kali packages after out-of-the-box install

Recently installed Kali Linux 1.0.9 using the default image. Later on I decided to remove some of the packages, however it seems that it is not possible to remove packages since the kali-linux-full ...
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0answers
43 views

Using ks.cfg with virt-install?

I've been trying to get a virtual machine working with a cfg file on centos but unfortunately, I'm getting the error that ks.cfg file does not exist. Below is the command I ran to enable the VM. ...
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160 views

errors while installing python-pip on ubuntu

When running sudo apt-get install python-pip I got the following error messages, what causes the problem and how to fix it? Thank you very much for any help. Err ...
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47 views

Can I use kickstart to assign multiple ip addresses to a device

Can I use the kickstart network statement to assign multiple ip addresses to the same network device? E.g. I have a server that I install using kickstart. The server has one network card, but I want ...
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32 views

Looking for a new conf for HA Data Server and Virtual Machines with Glusterfs

I own three HP server for lots of users and email, web and a development machine. I want to make my virtual machines to be available all times, but have some issues. My configuration is as follows: ...
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35 views

Will sysfs replace procfs in the furture?

As I know, procfs has been old and chaotic, so sysfs was invented to resolve the problem. Will sysfs replace procfs in the furture? Or, sysfs will just replace part of the functions of procfs, such ...
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87 views

Problems in running rstudio

I downloaded R-3.1.2 in a zip format then decompressed it in a folder named R-3.1.2 from where I installed it by running ./configure and then make and make install. Now R version 3.1.2 is running ...
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0answers
10 views

0 Active connection while Downloading Blockchain?

I am not able to connect to download blockchain in logoscoin. It shows O active connection, I am also attach debug logs below: 2015-01-24 06:18:15 Logos version v0.8.6.4-ga5aedeb-beta (2015-01-22 ...
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42 views

MAC to MAC MII interface not working

I have a MAC to MAC MII interface between MPC8569 processor and BCM68610 controller , whose schematic design is followed from here. My linux kernel version is 2.6.32. I want to ping one device from ...