OpenSUSE :: System Policies Prevent From Getting The Brightness Level (KDE)

Jun 25, 2011

Does anyone know how to (permanently) get rid of this?

As you might have guessed, typing the root password and pressing OK has no effect.
This is NOT a laptop!

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Ubuntu :: Alsamixer Startup "speaker" Level (and Screen Brightness Startup Level)

May 23, 2010

I just upgraded to the 10.04 and everything works just fine as before (except for skype but that really doesn't matters as it has already been 3 years I'm using ubuntu and I managed to get it to work only once, for miracle I believe ^^). The only real issue I have is this: when I start up my laptop, after the log-in, no sound will be heared as the "speaker" volume level in alsamixer is set to 0; if I raise it from the terminal running alsamixer (as I don't know any other alternative) everything plays just fine, but the next time I boot I do have to do it all over again... So, how can I change the default startup level of the "speaker" in alsamixer?

PS: by the way I do have the very same issue with the screen luminosity but the other way round as is always starts at maximum brightness and I can't manage to get it to start at the minimum, as it did before. At least reducing the backlight if far more quick but a couple of times I forget it and the battery lasted something like half an hour

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Ubuntu Installation :: Brightness Level Too Low For 11.04?

Aug 18, 2011

I have installed Ubuntu 11.04 for the 1st time. Before, I used Windows 7. I've got a Samsung R418 Laptop and on my laptop the brightness level is too low.. When I plug in the charger, the brightness level is good. I used the Fn up/down key to increase and decrease the level of brightness, but didn't work. I even checked the Power Management section, but didn't work. Installed an app called Ubuntu Tweak which allowed me to increase the level of brightness when on battery, but that too didn't work out.

Also tell me what to do and where to do it from, since I'm new to Ubuntu

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OpenSUSE Hardware :: Brightness Isn't Working \ Log In The Brightness Gets Obnoxiously Low?

Mar 22, 2011

I'm having a really strange problem, when I turn on openSUSE, the brightness is fine.owever, as soon as I log in the brightness gets obnoxiously low. I have a MacBook Pro 7.1 with openSUSE 11.4 KDE

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Ubuntu Multimedia :: Can't Control Brightness / Show Brightness Popup / Screen Brightness Don't Work

Mar 3, 2010

I Install Ubuntu 9.10 and I can't control Brightness, show brightness popup (Fn+F5F6) but screen brightness don't work, I install NVIDIA Driver Linux-x86_64 version 190.53, modiffed xorg.conf.

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OpenSUSE :: Prevent Web Browsers From Using The System's Default Colors?

Aug 1, 2009

I have two problems related to color scheme. First, is there any way to prevent web browsers from using the system's default colors? I use a dark scheme, specifically Obsidian Coast in KDE and Industrial in GTK. This doesn't behave well on web pages in Firefox, Arora, and Konqueror. (Opera is fine.) Sometimes a site's stylesheet will specify a text field's text color to be black, but its background is not specified, so it defaults to black-on-dark-gray. I've also seen such a field's background color specified as white while the text color was not, so it ended up being light-gray-on-white. Is there any way to keep browsers from ruining web pages? Also, even if the stylesheet doesn't specify the colors, the dark text fields and buttons still stick out like a sore thumb on a warm or bright page.

My second problem is this: I have a saved session that brings up my applications every time I log in, but the GTK apps Pidgin and Evolution don't match the GTK color scheme until I quit and start them up again. Is there some way of fixing or working around this problem?

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OpenSUSE :: Move Transparently Between Run Level 3 And Run Level 5 As Autologin User?

Aug 10, 2010

I've been able to kludge a kill script which finds the correct pid for the kdeserver (or gnome server) after my system comes up in run level 5 so I can drop back to run level 3 mode. Lots of experimentation showed me that using telinit 3 and telinit 5 would occasionally leave the video memory in a mess and I would have the black screen of death.

I set the security parameter setting to autologin for me since I am the only user of my machine, but I still have to kludge the default setting under sysconfig (the DEFAULT_WM) under Window Manager to pick a certain window manager, so it takes time to manually switch the desktop.

Right now I can leave the gui and drop back to cli, but painful experimenting showed me that killing the X server is a no no. Right now I kill the kde server, which sends the SIGTERM to the X windows manager, which then figures out that it has to shut down.

Questions: Is there a better way of doing this? Apparently openSUSE figures that we have multiple users logging into the gui desktop, so the gui is always kept running and a login window with the desktop manager option forces the user to login in. With autologin, this never happens, but no choice of desktop is possible on the fly.

Can some type of script be set up to painlessly enable this to happen? And what is the best way of bringing either the Gnome or KDE desktop manager down gracefully? I do get lots of error messages as the system attempts to recover and X shuts down. It appears that apparently the single user with autologin is left out in the cold.

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OpenSUSE Install :: Admin Level Software To User Level?

Feb 6, 2010

I want to install a software called TinyOS which is an operating system designed for wireless sensor embedded networks in my account. The problem is it has instructions to install the software as an administrator since i'm not an admin of the department network i can not able to install. Is there any method to install this software as an user level rather than admin level.

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OpenSUSE :: Import In OS Level (system Wide) The CAcert Root Certificate And The Relevant Class 3?

Feb 5, 2010

How can I import in OS level (system wide) the CAcert root certificate and the relevant class 3?

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OpenSUSE Network :: "iwlist S" Output - Quality / Signal Level And Noise Level Mean?

Jul 21, 2010

[code]...

you can find a cutout of an output generated by "iwlist s" command for a cell. Does anybody know what Quality, Signal level and Noise level mean? What is the definition of them? I searched for it and could not find good information on it. What do these Extra:*** fields for? What does it show in the example above? How were those values computed?

[code]...

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OpenSUSE Hardware :: Acer Aspire 4810T Laptop - Hardware Brightness Keys System Slowdowns, Software Controls Don't Work

Mar 14, 2011

I have an Acer 4810T laptop with Intel graphics. I run openSUSE 11.3, and am about to upgrade to 11.4. But both systems still have a very bad bug with screen brightness. The Fn+Arrow keys do change screen brightness, but after using them the system is rendered extremely sluggish and unresponsive. This sluggishness is most pronounced with a very important Wine app I need to use. The only way to fix the sluggishness is to reboot. With 11.4, the problem is worse because the system boots and automatically partially dims the screen, thus making it even more necessary to change the brightness. Neither Gnome nor KDE are able to change the brightness via their power managers. This means that I can't dim my screen automatically upon disconnecting the A/C power.

I have read many experiences from Ubuntu and openSUSE users, who all have the same problem. I have tried both intellegacy and the new intel drivers, and they both have the problem. I have read that some users have improved the situation by upgrading or downgrading the BIOS. Others have been experimenting with kernel patches:

[URL]

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Debian Hardware :: Getting Lenny Working On Macbook / Can't Use Brightness Keys To Change Screen Brightness?

Feb 9, 2010

I'd been trying to get into Linux before I bought it so I figured that I would try to get it onto my new Mac so that I could use it wherever I am. I decided to try Debian Lenny 5.0.3 a whirl after reading about all the different distros available. I've successfully installed it and I can get to it with rEFIt, and I have quite a few things working such as the video drivers and wifi. However, I've had trouble getting it to a level where it'd be usable away from home. Here are the main problems I'm worried about:

1) I installed pommed but I still can't use the brightness keys to change the screen brightness. I'm not sure if there's some other workaround for this?

2) I tried some recommended power management packages (gnome-power-manager) but it doesn't seem to be accessible or functional right now. I don't have any way to control it or get to it that is obvious to me. Is an icon or anything supposed to appear on the task bar when you install or what? Getting some sort of power management on here is important because it gets really lousy battery life otherwise.

3) Being a Macbook, there's no right-click button. Multitouch would be really nice (two-finger scrolling!) but I'd be OK with ANY way to right-click with the touchpad. I have a wireless USB keyboard/mouse combo that works at home at least . . . right out of the box too!

4) I've seen some packages called the Mactel PPA, but they are made for Ubuntu. Since Debian and Ubuntu are so similar, is there any way to make those work on Lenny? I think that if I got those to work, I could fix some of the problems above. Or do I have to install Ubuntu?

5) I just noticed that the sound doesn't seem to work yet either.

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General :: Change Brightness On System Desktop Through Command Line?

Mar 9, 2011

I have a Debian Linux desktop. I want to change the screen's brightness without pressing the brightness button of my monitor. How can I do this? is this possible in command line or is there an application to be installed?

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Fedora :: Not Able To Start System In Run Level 5

Aug 12, 2010

When ever I am starting my system at run level 5, it stops booting the machine at a particular point. After starting all the services & before taking user account and password, the fan speed of the cpu increases at faster rate and then after sometime the system automatically stops down.

I have also checked with other run levels, it works fine. I have also gone thru run level 3 and then used the command "startx" but still its not working and the system stopped automatically by making the fan speed up to a high. Primary memory 2 GB.

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Programming :: Catch System-level Exceptions?

Jan 24, 2011

The following C++ program doesn't catch the exception:

Code:
#include <iostream>
using namespace std;

[code]...

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Ubuntu :: Prevent The System From Powering Off

Jun 25, 2010

Ubuntu randomly switches off. I eventually found out that it happens when my system is over loading. If my memory goes up to 100% use or CPU, Ubuntu powers off. If there some software that I can download to prevent my system from using 100% of its power, so it doesn't power off?

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Ubuntu :: Adjust Level At Which Battery Criticality Level Is Triggered?

May 8, 2010

How can I adjust the levels at which the battery is considered to be critically low?ight now it seems this is set at 5 or 10%. I want to make it 20 or 25%This is for Gnome. I am using Lucid x86

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Fedora :: Prevent System From Silent Mode?

Mar 5, 2011

Is it possible to prevent my system into going silent mode if someone had pyshical access? Relatives keep coming over and changing the admin password, and im guessing they do it via this way right?

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Ubuntu Security :: Why Few Firewalls To Prevent System

Jul 14, 2011

Windows have many firewalls to prevent the system. But Ubuntu have few. Why is it so? Is it not needed to prevent Ubuntu or if it is prevented?

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General :: Initializing Run Level 4 At Inittab Default Level

Jan 15, 2011

hello everyone, im having a problem when my computer enters in the run level 4 as the default when i start slackware. The strange thing is that it not seems that is a X window problem, it looks like more like a configuration problem in some part of the kde script to initialize the log in, because if i manually start the X service it works fine, i dont know what is the source. Thank you in advance for the help.

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Programming :: Accessing SPI From Kernel Level And User Level

Jan 6, 2009

I want to know what are the advantages and disadvantages for accessing spi(serial peripheral inerface )from kernel level and user level. like methods of doing it, speed ,memeory utilization etc

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Fedora Servers :: Convert A Running System To RAID Level 1?

Sep 30, 2009

I was recently requested to try and convert a running system to RAID level 1. I did not succeed in this task. However, I am still interested in accomplishing this task in a test environment.What I did was create a RAID device with a device missing e.g.

mdadm --create /dev/md0 --level=1 --raid-devices=2 missing /dev/sdb2

Once the RAID was up and running I created the /etc/mdadm.conf file so that it would activate the RAID device on boot. Once the device was created I copied all the data from the running root filesystem to the /dev/md0 device. The only directory that I didn't copy was the /proc directory. When I rebooted the machine I had a kernel panic and the system couldn't find /dev/root. I would greatly appreciate it if someone could provide some information/tips regarding the problem.

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Ubuntu :: Set The Mixer Volume Level At System Startup Or Login?

Jun 9, 2011

How-To set the mixer volume level at system startup or login. A funny story that led up to this how-to first...

I made the obvious mistake of leaving my volume level set to nearly maximum. Of course, Ubuntu's default behavior is to restore the mixer to its last known state - a point of much irritation at that moment. This had been a problem in the past as well, and today was the last straw. So, I did some research, for quite some time I might add, and decided to be a good community member and share my findings. It seems that there are all sorts of opinions around the web. The dominant opinion is that a mixer should always be restored to its last known state, that this is all well and good, and why would you ever want it to work any other way. Lots of people suggested that the startup sound be disabled, which was not a terrible solution, but was still a work-around as it means that the next sound bite to be played is the alarming one.

Needless to say, I wanted to find out what I would call the "proper" way to set the mixer level at startup. As my laptop uses PulseAudio, and my office desktop uses ALSA audio, the methods were different. My focus was for PulseAudio as that was the original purpose. I note here that my method for ALSA is less detailed as it is not the default for Ubuntu audio these days. So, if you are using ALSA, you might have to be a little creative to make my ALSA note fit your needs. I have attached 2 files to this post, one for ALSA and one for PulseAudio.

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General :: Sys_open( ) ,sys_read( ) Et Al Examples Of System Level Programs?

Oct 26, 2009

Are the programs written on schedulers ,thread library , process management, memory management, et al called systems programs ? How are they different from the programs that implement functions like open() , printf() , scanf() , read() .. they have a prefix sys_open, sys_close, sys_read etc , right ? Is there any difference of hierarchy between the programs that implement system calls and system level programs like that implement thread library, process management , memory managemnt etc..

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Ubuntu :: Prevent System Freeze Due To High RAM Or CPU Usage

May 1, 2011

I have been using ubuntu for 4 years now on my decent laptop with 2 Gb RAM, dual core centrino, etc etc. Yet, in all those years I have been using this superior OS, I still have to do hard shutdowns because some program runs wild. I have lately 2 scenarios where I have to interfere with the process:

1: amarok crashes and leaves the python script for the gnome shortcut keys running at 100% CPU. Or: thunderbird-bin keeps running after apparently clean close of Thunderbird. That's not really bothering me, I just kill both processes.

The bigger problem is scenario 2: 2: VLC starts eating all my RAM (for no reason), my SWAP starts filling and my computer becomes unusable for 10 minutes. Or: my matlab script is too big and eats up too much RAM -> same. Note: I have nothing against SWAP because at many other times it's very useful

These are stupid and annoying problems where there is an easy solution:

1) automatically kill the stupid process that runs at 100% CPU
2) automatically kill the stupid process that eats up all my RAM

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Server :: Prevent Samba Logging System Messages?

Mar 15, 2010

I�m looking into preventing the samba messages from appearing in the system log (/var/log/messages).I added syslog = 0 to smb.conf and reloaded the config but messages are still appearing�suppress logging or reconfiguremba such that the �nmbd� and �winbindd� messages do not appear in /var/log/messages

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General :: Tool Or Set Of Scripts To Capture Information And Do System Level Comparison?

Jun 12, 2011

If I have three (3) servers that are suppoed to be configured exactly alike, is there a tool or set of scripts that I can use to capture the information and do a system level comparison?

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Ubuntu :: Edit PolicyKit Policies In 10.10?

Oct 26, 2010

I can't seem to find the "Authorizations" GUI that was present in earlier ubuntus for configuring system policies. It used to be in System - Administration - Authorizations. Which package does it come in? What's the console command for it?

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General :: How To Implement Password Policies

Nov 24, 2010

How would I ensure that whenever any user changes the password it should meet following.
1)It should be more than 7 Characters.
2)Atleast one Upper case character,digit and special character present.
3)Password is not same as username or dictionary word .
4)User should get email after changing his password(I have already setup mail account and tested the setup).

Code:
Distribution Detail
# lsb_release -a
LSB Version: :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: EnterpriseEnterpriseServer
Description: Enterprise Linux Enterprise Linux Server release 5.2 (Carthage)
Release: 5.2
Codename: Carthage
# uname -a
Linux OFSMUW-VMGR-51 2.6.18-92.el5PAE #1 SMP Fri May 23 22:26:05 EDT 2008 i686 i686 i386 GNU/Linux

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Security :: Iptables Policies And Log Not Working?

Apr 12, 2009

I am facing a problem when I tried to set policies on the firewall with following commands:

iptables -A INPUT -p TCP -s 0/0 --dport 53 -j ACCEPT
iptables -A INPUT -p UDP -s 0/0 --dport 53 -j ACCEPT
iptables -A INPUT -p TCP -s 0/0 -j REJECT

[code]....

Here, I want to deny all traffic except DNS traffic, it should be permitted. I tried to log the traffic but I did not find any update in /var/log/messages.

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