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294 views

Specify auto login for a specific tty in rhel 6.5

Hi everyone I have a problem in auto login for only a specific (say tty1) tty. I want to startx in tty 1 for that I have modify /etc/init/tty.conf file lik this : exec /sbin/mingetty --autologin ...
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188 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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507 views

Synaptics settings get applied correctly from /etc/X11/xorg.conf.d but then reset?

I have a BCM5974 touchpad device which gets loaded incorrectly by Xorg despite being seemingly correctly configured. I have a simple /etc/X11/xorg.conf.d/60-synaptics.conf file: Section "InputClass" ...
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78 views

Using ~/.ssh/authorized_keys for non-root users?

I have a bunch of users that are each connected to a directory in the home folder. Any way to set this up so that every time I create a new user and directory it's linked to ~/.ssh/authorized_keys so ...
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97 views

Service script and shared libraries

I have the following simple script IPN in CentOS 6.5 in /etc/init.d/ #!/bin/sh # chkconfig: 2345 05 06 cd /root/IPNHost . /etc/rc.d/init.d/functions start() { echo -n $"Starting..." ...
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0answers
138 views

sendmail and certs

I am trying to set up sendmail for our company on a CentOS 6.6-Release server. Specifically, I want to use SSL, so that passwords are sent encrypted. ls /etc/mail/ssl intermediate.crt ...
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197 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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0answers
289 views

Limit transfer speed rate by Iptables Rules

I have D-Link Router DSL-2730U that support busybox OS and iptables version 1.4.0 I managed successfully to block the host for being connect to the internet using the following command block by ip ...
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0answers
58 views

How do I stop recurring error messages from appearing in messages and auditd.log?

On my CentOS linux machine, in my auditd.conf file, I have set my max_log_file_action=keep_logs. However, in my /var/log/messages and /var/log/auditd.log, the following message appears multiple times ...
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0answers
79 views

How to set environment variable for BACI compiler and interpreter?

I have installed executable files for BACI compiler and interpreter in my Ubuntu system. But now every time I have to compile my .cm file I have to go to the program folder and run ./bacc and ...
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0answers
136 views

Why doesn't Linux IPSec implementation support fragmentation before encryption?

I am trying to address an issue where ESP packets are getting fragmented as after adding the ESP header the MTU size is exceeded. The solution—which is what everybody does—is to do the fragmentation ...
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0answers
85 views

Interface on Linux for IP range to divide incoming traffic

In order to divide incoming traffic I use the "ip link" command: ip link add link eno1 name eno1.vlan10 type vlan id 10 I want to do the same for a network range, so that I have a named interface ...
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0answers
411 views

Kali Linux - Wireless Adapter: airodump-ng wlan0 - Error

I am doing a project on Kali Linux's airodump-ng command. Though, whenever I try to execute this command on a virtual machine (Virtual Box) with a Wireless USB adapter, I get this message as appose to ...
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298 views

java version not found in redhat

My OS is redhat linux. It's having the default java 1.4.2, but I need java 1.7.45, for that I am trying as follows: /usr/sbin/alternatives --install /usr/bin/java java /u01/java7/bin/java 5 ...
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0answers
68 views

routing through a GVPE network

The following is a GVPE network (VPN) setup on Debian Linux systems. It is how I interpreted the two paragraphs starting at line 174 in the GVPE README. Sadly, there is not much detail and my ...
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0answers
58 views

Initialize USB keyboard attached while suspended

I have a laptop that I sometimes want to use with separate peripherals; external monitor, external keyboard and external mouse. When in this mode, I want to keep the laptop closed and tucked away (as ...
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0answers
70 views

why cisco VPNC work on the second time each time and not on the first time

I use the vpnc ( cisco VPN that installed on linux red-hat 6.X ) and the vpnc.conf file look like this more /etc/vpnc.conf ## generated by pcf2vpnc IPSec ID Comvwde IPSec gateway 217.118.6.7 ...
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0answers
83 views

NTP authentication failing with opcode 108

I'm trying to get NTP authentication working on a cluster of test servers and a couple clients. I've followed the instructions at ntp.org. To be honest, though, I'm not sure they are entirely clear ...
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0answers
70 views

Linux: how to run a program with rw access to only a folder

How can I execute a program in a way that all the system is RO and only some folders are RW? Eg: steam (:P) roexec --rw ~/.steam steam Is there any tool that allows me to do this? I've tried mount ...
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200 views

Pacman Package manager in LFS

I'm trying to install a Linux From Scratch system. I know LFS doesn't come with a package manager. I want to use pacman as my package manager. I googled bout it and found some links bt they are old, ...
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49 views

How to make sure to get the Main/External IP without regard to network device type/name

Hello, I need to make sure I have the external or at least the main IP address for a given machine, regardless to the device type/name. I quickly wrote that tiny script for that purpose, but I need ...
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0answers
170 views

iptables / VLAN: interface names

I have just started working with VLANs. My memory was VLAN interface names are the interface name plus dot plus the VLAN ID. And that is what vconfig offers. After some (successful) manual tests I ...
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0answers
39 views

basic help with safecopy

I have a drive with "Many Bad Sectors". After much deliberation I've chosen to try recovering with safecopy (the choices of tools are overwhelming, and they are all just as cryptic to me - but I ...
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0answers
129 views

Variations in Ubuntu 12.04 /usr/bin/time statistics

I have a command line tool which I run on Ubuntu 12.04.5 LTS. I need to calculate the cpu time for this program. I have been checking /usr/bin/time function. command: /usr/bin/time -v -a -o ...
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257 views

CentOS 7 how to EnableBrightnessControl in xorg.conf

How can I set EnableBrightnessControl=1 in xorg.conf of a CentOS 7? File does not exist.
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603 views

how to decrypt ecryptfs file with private key instead of passphrase

I have an encrypted share folder on my synology NAS DS413 (which uses ecryptfs). I can manually mount the encrypted folder and read the decrypted files without issue, using synologies GUI. For some ...
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0answers
67 views

how to open someone's shared calendar on thunderbird

I just receive an email with title "Sharing invitation: XXX - Calendar" on thunderbird and there is a xml attachment together. I just want to know how I can open this shared calendar. BTW I am using ...
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0answers
107 views

/proc/stat - is guest counted into user time?

I have a quick question. In man page for /proc/stat this is not clear to me: Is guest and guest_nice time included in user time in /proc/stat? http://man7.org/linux/man-pages/man5/proc.5.html in ...
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0answers
317 views

Postfix multi IP/Domain SMTP Helo'ing

We have Postfix running with two domain and each domain has own IP so it's isolated. But Spamhuaus blocked my IP and saying you are sending "localhost.localdomain" HELO I am already using ...
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0answers
523 views

Creating ISO Bootable Image from a CentOS (Linux) system

I have a Linux machine (CentOS 5.8) on which I have installed multiple applications and tools (with yum and few others after compiling the source code) on it. As I have spent considerable time in ...
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47 views

Investigating Active MemInfo

I am seeing high Active usage when I do a cat /proc/meminfo : MemTotal: 65965328 kB MemFree: 51640992 kB Buffers: 1050332 kB Cached: 8516112 kB SwapCached: 0 kB Active: 11512732 kB Inactive: 1878028 ...
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0answers
24 views

Serial program not responding on boot

I am trying to run a program written in C that uses ttyX for serial communication. The program is running on Cubieboard2 with Debian OS. When I run the program manually, it successfully runs and ...
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0answers
20 views

Where do I start to understand the display controller management?

I'd like to understand how Linux detects which display devices are available (video output) and how it decides what to display on each one. For example: if I have an embedded device with a serial ...
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0answers
351 views

Enabling Integrated Graphics card and Nvidia Graphics card

I have IGC (intel) and Nvidia graphics card. currently my progress bar during boot time displays on the monitor connected to IGC (intel) . requirement : Progress Bar during Boot time should display ...
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0answers
660 views

Fedora 21 won't boot anymore; Computer wants me to perform MOK management

I have Fedora 21 installed. Last time it booted, I changed Gnome theme. Then I restarted and now I get following: If I select to continue boot, computer restarts and I get this window again. If I ...
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0answers
92 views

Replace webcam transmission with an image from the hard drive

I'm working with an Android app installed in my Arch Linux using the emulator Genymotion. This app is not mine and I have not access to the source code, I'm just working with it. In some part of the ...
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0answers
43 views

Is it safe to use the -y and -Y flags to hdparm?

Is it dangerous to use the -y or -Y flag in hdparm during a write, or when the disk is still mounted, or will hdparm refuse to spin-down, or automatically sync and unmount?
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232 views

Utility to list and modify kernel modules loaded at system startup

How do I list all kernel modules loaded while system startup? Is there a user space utility to list and modify the modules loaded during system startup? I am working on RHEL6 Desktop and RHEL6 ...
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0answers
383 views

Xorg mouse input driver

My Xorg.0.log shows the following output: [ 14.509] (II) config/udev: Adding input device Microsoft Microsoft Basic Optical Mouse v2.0 (/dev/input/mouse0) [ 14.509] (II) No input driver ...
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0answers
327 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 ...
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0answers
39 views

Frugal installation on WIN 7 no admin rights

Laptop from my work has WIN 7 Enterprise, but I have no admin rights on it and under no circumstances I would change partitions. However it does boot from USB. As I want to use Linux on a regular ...
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0answers
154 views

numlockLed is enabled but numpads are not working

I have put the following code to enable Numlock at boot time. #!/bin/bash for t in /dev/tty[0-9]*; do setleds -D +num <$t; done in start up script. it is working fine on OS level. but after ...
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0answers
712 views

Tuning NFS: Identifying source of getattr requests

we run some Linux NFS clients against a NetApp NFS storage system. Currently we have over 50% getattr requests running against the NetApp using up precious CPU cycles. Using the netapp-top.pl script ...
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0answers
465 views

How do I install tools, packages on Linux 3.0.8 armv7l?

Environment FriendlyArm Mini210s Linux 3.0.8 armv7l On the board: # uname -a Linux 3.0.8-FriendlyARM #76 PREEMPT Thu Aug 21 16:53:31 CEST 2014 armv7l unknown I need to install development ...
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206 views

Which kernel option for “Intel 8 Series Chipset Family Thermal Management Controller”

My new machine works fine, but lshw shows the following unclaimed device: *-generic UNCLAIMED description: Signal processing controller product: 8 Series Chipset Family Thermal ...
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30 views

Who would use this information to develop better support for hybrid graphics?

I have a laptop with hybrid graphics and I'm so frustrated that linux doesn't fully support it without any intervention from my side, just like any other Windows machine would normally do. So I ...
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0answers
160 views

unable to fully install elementary os Luna on imac 11.1(late 2009)

I have tried to install Elementary os Luna(64bit) on my imac 11.1(late 2009 , processor intel i5, videocard ATI radeon HD 4850). At this moment it working but not very good, I will give you a summery ...
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0answers
750 views

Icinga2 node wizard does not set address

We have successfully installed Icinga2 on a master server and on several client nodes. We used the new icinga2 node wizard to setup first the master and then the nodes. After the process is ...
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0answers
303 views

Set maximum volume in Ubuntu/Gnome

I have the following issue with my volume settings (Ubuntu 12.04, 3.2.0-49-generic, Gnome 3, Lenovo X220): When I set the volume to maximum using the hardware volume keys, I get to "100%" in the Audio ...
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0answers
182 views

How to diagnose CPU performance problems?

Recently I bought a new netbook based on AMD A4-1200 CPU and installed Linux Mint 17 with XFCE. RAM is 4GB So, testing some of my programs, I found very strange behavior. On random intervals, the ...