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
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0answers
26 views

Noob Kernel Image Question

I'm playing about with CM-FX6 , an iMX6 based SOC. The chip comes with the following: http://www.compulab.co.il/workspace/mediawiki/index.php5/CM-FX6:_Linux:_Kernel **images** uImage-cm-fx6 - ready ...
1
vote
0answers
406 views

NTP Problems - sntp: too many bad or lost packets

I need some help from you guys regarding NTP on Suse. I have a server, whose IP is 192.168.100.52, which is based on Suse Linux and here is my NTP conf file: server 192.168.100.11 iburst restrict ...
3
votes
2answers
5k views

Installing wireless driver (realtek 8188CE) on Debian wheezy

I had a hard time installing the wireless driver for my debian. My debian was Sqeeze but soon after I realized Wheezy was the one to support my wireless adapter, realtek 8188CE,I upgraded to wheezy. ...
0
votes
1answer
17 views

Lock on IBM DB2 database on Linux server [closed]

My db2 database is running on Linux server, Some time database table got lock by some of db user due to uncommiting the session. My question is that how we can find out through which ...
2
votes
0answers
26 views

Why is there no rootfs file system present on my system?

The linux kernel documentation claims: Rootfs is a special instance of ramfs (or tmpfs, if that's enabled), which is always present in 2.6 systems. You can't unmount rootfs … On all linux ...
0
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0answers
10 views

Linux embedded PC fault rectification [closed]

How to take image of an embedded PC using telnet and how to re-image an Embedded PC using RS232 serial connection.
3
votes
1answer
2k views

Connect Windows printer to Linux machine via samba

How can I connect my Windows printer to a Linux (RHEL5) box via samba? I'm looking for a clear configuration file
2
votes
4answers
12k views

crontab -e , then 0 * * * * = every hour; then xclock

After sudo crontab -e (it wrote "/tmp/crontab.XXXX70pN9h" 1L, 19C 1,1 All Then I saved the file. And to check..? (how? i don't know) And to check I ps -e | grep cron 29818 ? ...
1
vote
3answers
78 views

To which Debian package does /etc/nsswitch.conf belong?

I tried to find out to which package /etc/nsswitch.conf belongs on my Debian machine, but dpkg --search /etc/nsswitch.conf won't tell me. Does anyone know?
0
votes
2answers
918 views

Unknown hard disk partition?

I want to mount my second hard disk from my Linux VMware guest but when I try mount -t ext3 /dev/sdb2 it is not available. fdisk -l /dev/sdb gives me unknown format: /dev/sdb1 2048 ...
1
vote
1answer
28 views

Booting into a kernel image

I have a recently-compiled Linux kernel image (vmlinuz file) and I want to boot into it. I am aware that this won't give me a familiar Linux system, but I am hoping to be able to at least run some ...
5
votes
1answer
428 views

SquashFS image as rootfs in LXC

Is it possible to use a SquashFS filesystem as an LXC rootfs? I can mount an ext3 image as a rootfs just by setting lxc.rootfs to the filename, but if it's any other type of image, lxc-start just says ...
0
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0answers
14 views

How to recover Windows Boot Manager after a Mint installation gone wrong [migrated]

Yesterday, my cousin wanted me to install Linux Mint onto his Windows 8 Lenovo laptop so he could dual-boot Linux Mint and Windows 8 so he could get some hands-on experience with Windows 8. I've ...
2
votes
2answers
528 views

Linux freezing guess: keyboard & mouse (Archlinux and Ubuntu)

Linux on my PC is freezing a few seconds after startup. I am unable to use the mouse / keyboard. Neither Ubuntu nor Arch do anything after a few seconds. Windows has been running fine for years now. ...
2
votes
1answer
22 views

Moving software RAID 1 to Linux

I'm using a RAID 1 (mirrored pair) configuration in my Media Center/ NAS system. Currently it's running Windows 8 (yeah, big mistake I know) and I'm regretting it (did it for the games, not worth it). ...
2
votes
2answers
711 views

Quickly check whether many network hosts are up-and-running

Objective: check if a host is up-and-running on the network, with a method that can be efficiently parallelized over many hosts. Emphasis on a QUICK turnaround of the check. Reason to emphasise ...
3
votes
3answers
131 views

reorder GRUB to list Windows on top

I have win 7 and linux mint 14 installed. Is it possible to modify the GRUB Menu to show Windows as the first option instead of Linux, which it currently does. Mainly so that during boot it starts ...
0
votes
1answer
686 views

Add a new user steps for Oracle Linux 5

It's been over 10 years since I last used RedHat (which I believe that Oracle Linux came from). So I cannot remember the steps to create a new user, add them to the appropriate groups, set up their ...
0
votes
2answers
509 views

Linux Permissions vsftpd

I have mybb installed and running in /var/www/forums. I have two users part of the www group, logan and www-data. I have the recursive permissions of forums directory set to: chmod -R 755 forums ...
2
votes
3answers
2k views

installing ffmpeg-php on centos

With the help of this guide, I am trying to install ffmpeg using these commands: # cd ffmpeg-php/branches/ffmpeg-php/ffmpeg-php-0.6.1/ # replace 'PIX_FMT_RGBA32' 'PIX_FMT_RGB32' -- * # phpize # ...
1
vote
0answers
33 views

Fix the debian default version to wheezy

I followed this tutorial http://kemitix.postach.io/install-viber-on-debian-wheezy to install viber on debian wheezy 7.6. My problem is about the part that says: Fix the default version to wheezy. ...
17
votes
10answers
16k views

Linux replacement for Apple Keynote software?

Sorry for my ignorance, this is a newbie question: I am trying to migrate from Mac OS X to a Linux distribution, maybe/probably Ubuntu. One of my favorite applications for the Mac was Apple Keynote, ...
1
vote
1answer
425 views

Intel Turbo Boost apparently activated for no reason?

The other day, I reinstalled my operating system (Crunchbang, fork of Debian). For some reason my fan has been running at full speed (and blowing colder-than-room-temperature air) even though I'm ...
3
votes
1answer
392 views

GDM will not start on boot, unable to login into graphical interface

I am running RHEL 5.8 . SELinux is enabled but in permissive mode. Here are some snippets from /var/log/messages on boot. kernel: type=1400 audit(1360613500.551:6): avc: denied { write } for ...
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0answers
4 views

get Lexmark Z515 running on Linux

Following this tutorial I was able to intall this driver here in Crunchbang Linux 11. As expected, it didn't work. Lexmark itself offers a driver for OS X and that was it. I've tried something similar ...
1
vote
1answer
362 views

yum - No package httpd available (new VPS)

So I have a new VPS that only has the bare bones. Not what I was expecting at all and I may be well past my depth but I'm trying to get the essentials running. The host is Swedish and aggressively ...
0
votes
1answer
516 views

Debian and Systemd: breaking ordering cycle error

I'm a new embedded developer I'm trying to make systemd 37 work with freescale vybrid board (A5 and M4) running on linux-3.0 After boot with some breaking ordering cycle error, I check with ps ...
0
votes
0answers
52 views

Unable to mount root fs over NFS

I am attempting to set up the first (of many) Raspberry Pis running Pidora (a Fedora Remix) to boot from an NFS share. It is my goal to eventually place a dozen or more Raspberry Pis in the datacenter ...
1
vote
2answers
530 views

Linux guest VM on mac host - Keyboard

I use a Mac as a development box, but am slowly transitioning to Linux. So I am spending the majority of my time in the Linux guest VM while working. But I still spend a fair amount of time in Mac ...
2
votes
0answers
217 views

When would I use FBDEV vs DRM vs DSS?

I'm new to Linux graphics, and I'm interested in developing a graphics driver. I see that Linux supports three methods for writing graphics to the display device FBDEV DRM DSS2 When would I use ...
6
votes
1answer
820 views

Avoid very fast double clicks

I have a mouse with a weird problem. The left button sometimes fires a double click even if I click just one time. I would like to know if there's a way to avoid fast double clicks, ignoring clicks ...
1
vote
2answers
321 views

Can't set a blacklist for usb autosuspending

I'm trying to disable usb autosuspend for my wireless USB mouse: CONTROL_USB_AUTOSUSPEND="auto" AUTOSUSPEND_USE_WHITELIST=0 AUTOSUSPEND_USBID_BLACKIST="046d:c52f" I already put these values to ...
0
votes
1answer
452 views

Enable 9p filesystem type in Centos 6 virtual guest?

My question is linked to this one : http://stackoverflow.com/questions/17880460/mounting-shared-folder-in-kvm-vm-error-mount-unknown-filesystem-type-9p (but can't comment it) I have apparently the ...
3
votes
2answers
425 views

Linux: Is there a IPv6 equivalent to the IPv4 kernel option accept_local?

Since linux kernel >= 2.6.33 the kernel option "accept_local" can be modified: /proc/sys/net/ipv4/conf/${interfaceID}/ accept_local - BOOLEAN Accept packets with local source addresses. ...
1
vote
3answers
901 views

Why kernel 3.6.2 is so much less energy efficient than 3.6.1 on Mint 13?

I noticed, that the power consumption in my ASUS P53E notebook is doubled (from 10W to 20W) when I change from kernel 3.6.1 to 3.6.2 (or later). I use Ubuntu Quantal mainline kernel from ...
2
votes
2answers
29 views

How to add specific directories to “updateb” (locate) search path?

I keep my digital music and digital photos in directories in a Windows partition, mounted at /media/win_c on my dual-boot box. I'd like to include those directories—but only those directories—in the ...
2
votes
2answers
52 views

find out the memory allocated for a particular process in ubuntu

Could anyone please tell me how to find out the memory allocated for a particular process in ubuntu?
2
votes
0answers
31 views

How to mount squashfs (embedded-linux) on Ubuntu?

I have tried to mount a filesystem from a firmware (embedded-linux) but it failed on my Ubuntu 12.04 machine. Could you tell me how to mount that file system? (or possible reasons of the failure). ...
1
vote
1answer
389 views

GNU/Linux: “device mapper: create ioctl failed” “device or resource busy”

I can't mount my encrypted devices anymore. The error is: device mapper: create ioctl failed device or resource busy This error arises both with two different programs to access TrueCrypt ...
2
votes
3answers
61 views

Linux: set date through command line

How to change the system date in Linux ? I want to change: Only Year Only Month Only Date Any combination of above three
3
votes
1answer
351 views

Laptop keyboard occasionally stops working

I have a dirty solution that is to plug a USB keyboard in and execute the following command: setxkbmap -rules evdev -layout us -model evdev Afterward my keyboard will work. This solution only ...
5
votes
4answers
680 views

Can I just disable updatedb?

Is updatedb necessary at all? I never use locate and my servers tend to have dozens of millions of files which usually makes updatedb to run for a long time and consume I/O needed by MySQL and/or ...
-4
votes
2answers
540 views

What is the difference between Unix, Linux, BSD and GNU? [closed]

What is the very fundamental difference between Unix, Linux, BSD and GNU? Unix was the earliest OS, so the term 'Unix like' is understandable, since they have kernel, file system structure, most of ...
0
votes
0answers
17 views

How is user space process/thread controlled by the operating system

I understand this: User code executes in a process/thread context in a process address space, in user mode, and can address only user code/data defined for the process, with no access to privileged ...
1
vote
1answer
345 views

RAID configuration disappears after reboot

I am using SUSE to install Hana in my system. I have 2 298 GB HDDs which I am going to configure as RAID 0. I am using mdadm to create a RAID array. I use the below command to create the RAID array. ...
5
votes
0answers
54 views

USB HDD not working on linux

I have a WD My Passport 1 TB external hard drive which is giving me some problems on different linux machines: When I plug it in, nothing happens Gparted when detecting connected devices says "Error ...
1
vote
3answers
725 views

Lubuntu display resolution + VirtualBox

Running the most recent Lubuntu 14.04 as a live OS inside virtual box works without any problemes at 1024 x 768 pixels screen resolution. But when I install it, Lubuntu has a low resolution of 620 x ...
10
votes
2answers
2k views

Why can't I specify my root fs with a UUID?

My system boots OK with this in my GRUB 2 config: linux /bzImage root=/dev/sda2 init=/usr/lib/systemd/systemd ro But if I replace /dev/sda2 with the corresponding UUID: linux /bzImage ...
0
votes
0answers
33 views

Installing CentOs 6 with Direct Admin

I'm trying to install CentOS with a Direct Admin package. I have done it almost 10 already times but this time I can't get it to work. I've written down all of my steps here: Give root password: ...
3
votes
3answers
957 views

Recommended fstab settings

I made a new partition for my home drive by following this guide I have no idea what the fstab setting it suggests mean: UUID=???????? /home ext3 nodev,nosuid 0 2 I ...