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[SOLVED] Understanding Persistent Storage

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I'd like to set up a Live USB key that can be updated and I understand that to do this I need to allocate some persistent storage. However, from everything I've been able to find, this storage gradually gets used up, and recovering it is rather risky. I've also seen suggestions that this doesn't happen if the drive is formatted with a proper Linux filesystem, such as ext4, before the live system is installed. I'd appreciate it very much if somebody who knows what's going on could set me straight on this.

F20 booting to systemctl only

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Suddenly one morning, Fedora 20 will not boot. It was fine on the previous evening shutdown, but the next morning, all I can get is this error:

Welcome to emergency mode! After logging in, type "journalctl -xb" to view
system logs. "systemctl reboot" to reboot, "systemctl default" to try again
to boot into default mode.
Give root password for maintenance
(or press Control-D to continue):


I've tried all three options. The journal does not contain any error messages that I can detect, everything looks fine. The other two options simply return me to the same prompt.

I get to the fedora symbol which slowly builds to the logo and then the screen goes to the above error. I ran GParted and had the program check each of the partitions - no errors. I booted with a Live DVD and tried booting from the local hard drive - back to the same error.

I have backups, so I'm not losing data, but am curious how this might have happened and what I may be able to do to correct it. Interesting problem that I've never run into with Fedora before.

Your help and suggestions are very much appreciated.

systemd service not working as expected

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I am trying to set up a start up script to run at boot time.

Essentially, I have simplified the script to one command: "/usr/sbin/iptables-restore fw.txt"

where fw.txt was essentially generated by running "iptables-save fw.txt"

Here is the service file:

Code:

[Unit]
After=syslog.target
After=network.target
After=nfs-service.target
After=ssh.target

[Service]
Type=oneshot
ExecStart=/usr/sbin/iptables-restore -v /etc/fw/fw.txt

[Install]
WantedBy=multi-user.target

The iptables-restore runs fine from the command line (as root).

But if I run 'systemctl start fw.service", then list the iptables, I get this:

Code:

[root@Bugs ken]# iptables -L
Chain INPUT (policy DROP)
target    prot opt source              destination       

Chain FORWARD (policy DROP)
target    prot opt source              destination       

Chain OUTPUT (policy DROP)
target    prot opt source              destination       

Chain Cid3615X3367.0 (0 references)
target    prot opt source              destination       

Chain Cid3615X3367.1 (0 references)
target    prot opt source              destination       

Chain Cid4488X15478.0 (0 references)
target    prot opt source              destination       

Chain Cid4488X15478.1 (0 references)
target    prot opt source              destination       

Chain Cid4488X15478.2 (0 references)
target    prot opt source              destination       

Chain Cid4488X15478.3 (0 references)
target    prot opt source              destination       

Chain Cid5089X8587.0 (0 references)
target    prot opt source              destination       

Chain In_RULE_0 (0 references)
target    prot opt source              destination       

Chain In_RULE_21 (0 references)
target    prot opt source              destination       

Chain In_RULE_9 (0 references)
target    prot opt source              destination       

Chain Out_RULE_21 (0 references)
target    prot opt source              destination       

Chain RULE_2 (0 references)
target    prot opt source              destination       

Chain RULE_22 (0 references)
target    prot opt source              destination       
[root@Bugs ken]#

(obviously not what I want.)

FWIW: I originally had a bash script that loaded the iptables, as well as doing a few other things. But that also only worked from the command line.

What am I missing here? Please help!

TIA

ken

What lies under those apps in gnome 3 menus?

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In an earlier version of gnome, one could put commonly used programs in the top bar, and when one right clicked on the icons, one could discover what and wher the actual program was. but with Fedora 20 and gnome 3, I have a bunch of icons on the left, but I don't see how to tell what is supposed to happen when I click on one of them. Similarly, if I enter a name in the top search window, I get some choices shown as icons, which I can execute, but I can't tell what the underlying programs are.

I've asked about this before, and I used it to put some programs, like vuescan, in my list, but I can't now find what I learned at the time.

I need help now because I have an icon for google Chrome, but nothing happens when I click on it.

I don't seem to have it installed.

Can anyone tell me what is going on?

wingrub

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I have downloaded the latest wingrub I want to dual boot with XP and fedora. Does anyone that uses windows too have any experience with this program? I am using x64 XP.

Installing Stunt Rally

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Hi, I was trying to install Stunt Rally today on F20. What would be the easiest way to install? Spent about an hour trying to follow the guides on its Google Code page but I got lost somewhere...

[SOLVED] No Graphical Environment at boot

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I'm not certain this is the best forum, because the installation seemed to have gone well. These issues showed up a few days after.

To the point...
On boot I'm presented with the regular non-graphical Linux console and can log in as such.
If I run startx Gnome starts with no problem, though of course I never see the greeter.
This morning, before doing startx, I checked the X.org logs, and they were still dated from yesterday.
I believe it is configured to go straight into a graphical environment:
$systemctl get-default
graphical.target

I have reason to suspect a package which should be installed is not (and if so it's certainly my fault), but I'm not sure which packages are involved. Any tips and/or suggestions would be greatly appreciated.

How to interact with commands in emacs?

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Some commands read user inputs but emacs has "buffers" only rather text entry,when I'm dealing with latex errors I can only type C-c ` to see the error message but can't enter H for help. How can I do that in emacs?

Graphics problem with GTX660 (nvidia)

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Hello! I got problems with graphics on my computer and I have no idea how to fix it. I've spent an entire day trying to fix it, but sadly, I'm not really a hacker.

Before I descibe the problem, maybe I should say that everything worked fine until I installed a regular update. After that I couldn't boot into Fedora because of some problem with systemd. I reinstalled Fedora 20 and that's when the problems began.

I've tried different drivers, but that just did so that I couldn't start Fedora.

The problem:
There are two symptoms, firstly, the graphics are slow, as if the CPU takes care of all the work, and secondly, sometimes the screen starts to mess up until it's just a bunch of one-colored squares and stuff (hard to explain).

In the beginning the screen got messed up very often, but then I disabled integrated graphics in the BIOS (and then reinstalled Fedora), and now it only happens occasionally.

Info:
I don't really know what's relevant but here are some info:

In "details" it says under graphics: "Gallium 0.4 on NVE6". I saw somewhere that NVE6 is a code for my graphics card (a GTX660).

Running "lspci | grep VGA" I get the following result:
Code:

01:00.0 VGA compatible controller: NVIDIA Corporation GK106 [GeForce GTX 660] (rev a1)
Also found this one: "-qa *\nvidia\* *\kernel\*|sort;uname -r;lsmod |grep -e nvidia -e nouveau;cat /etc/X11/xorg.conf" which gave me this:

Code:

bash: -qa: command not found...
3.14.5-200.fc20.x86_64
nouveau              1156970  3
mxm_wmi                12865  1 nouveau
wmi                    18804  2 mxm_wmi,nouveau
i2c_algo_bit          13257  1 nouveau
drm_kms_helper        50652  1 nouveau
ttm                    80614  1 nouveau
drm                  283747  5 ttm,drm_kms_helper,nouveau
i2c_core              38656  5 drm,i2c_i801,drm_kms_helper,i2c_algo_bit,nouveau
video                  19261  1 nouveau
cat: /etc/X11/xorg.conf: No such file or directory

What's wrong with my computer?

I would really appreciate any help! :)

dimmer of external display

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hi I have an external monitor connected to my notebook with displayport connector. I noticed that the dimmer work fine on integrated display of my monitor but not on the external... can how can fix it?
thanks

Stink removal

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This one has nothing to do with computers ... unless I end up using one to look up the phone number and location of the closest dump. But, I'd like to avoid that.

The 411:

Pertinent materials:
(1) 14 cu ft chest type freezer (located in an non air-conditioned garage)
(40) lbs of packaged meat - particularly, pork divided as individually packaged ribs and chops. (BBQ fodder)
(3) *&^%$#! careless contractors <..:mad:..>
(2) weeks worth of +90F ambient temperatures <..:fp:..>
Results:
Omi-flippin'-gawd! <..:eek:..> Ayuck! <..:Y..>
QTBA:
Does anyone have any effective methods of cleaning/leaching the resulting stink out of the freezer/insulation itself?

I'd like to salvage the freezer ... but I'm not married to it. If it can't be cleaned, it'll be either dumped or donated to a lab somewhere.

Needless to say, these particular contractors are no longer on my Christmas Card list. <..:dis:..>

Materials tried so far:
Standard OTC (Baking Soda)
3~4% Sodium Hypochlorite (bleach)
Around 100 gallons of hot water etc.
The surfaces are now clean, but the odor is far from gone.

Fedora 20 installing Packet Tracer 6.0.1

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Hey folks! I'm tryint go get packet tracer installed on my laptop, and the only thing that is offered on netacad.com is a .deb version or a binary. I have the package downloaded, however, I don't know how to install it! It's currently in ~/Downloads and I renamed it PT601 (full path ~/Downloads/PT601. I'm running the 64-bit version of Fedora using GNOME 3.

Totem crashes when seeking an mkv file

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I recently opened a .mkv video file with the default video viewer (Totem) and when I tried to skip back it crashed. Earlier no such problems with .avi or .mp4.

Googling only found this:
Bug #1313205: Totem crashes when seeking an mkv file - FIXED upstream, not yet in Ubuntu

Which unfortunately isn't very helpful to me (except knowing that I'm not the only one).

Any ideas on what to do to fix it?

Here is some info from my system:
Code:

totem.x86_64                                        1:3.10.1-1.fc20
totem-mozplugin.x86_64                              1:3.10.1-1.fc20
totem-nautilus.x86_64                              1:3.10.1-1.fc20
totem-pl-parser.x86_64                              3.10.0-1.fc20
gstreamer.i686                                      0.10.36-6.fc20           
gstreamer.x86_64                                    0.10.36-6.fc20             
gstreamer-ffmpeg.x86_64                              0.10.13-11.fc20
gstreamer-plugins-bad.x86_64                        0.10.23-5.fc20
gstreamer-plugins-bad-free.i686                      0.10.23-20.fc20             
gstreamer-plugins-bad-free.x86_64                    0.10.23-20.fc20         
gstreamer-plugins-bad-free-extras.x86_64            0.10.23-20.fc20           
gstreamer-plugins-bad-nonfree.x86_64                0.10.23-2.fc19 
gstreamer-plugins-base.i686                          0.10.36-6.fc20           
gstreamer-plugins-base.x86_64                        0.10.36-6.fc20         
gstreamer-plugins-espeak.x86_64                      0.4.0-2.fc19         
gstreamer-plugins-good.x86_64                        0.10.31-10.fc20           
gstreamer-plugins-good-extras.x86_64                0.10.31-10.fc20             
gstreamer-plugins-ugly.x86_64                        0.10.19-14.fc20   
gstreamer-tools.x86_64                              0.10.36-6.fc20           
gstreamer1.x86_64                                    1.2.3-1.fc20         
gstreamer1-libav.x86_64                              1.2.3-1.fc20
gstreamer1-plugins-bad-free.x86_64                  1.2.3-1.fc20           
gstreamer1-plugins-bad-free-extras.x86_64            1.2.3-1.fc20           
gstreamer1-plugins-bad-freeworld.x86_64              1.2.3-1.fc20
gstreamer1-plugins-base.x86_64                      1.2.3-1.fc20           
gstreamer1-plugins-good.x86_64                      1.2.3-2.fc20             
gstreamer1-plugins-good-extras.x86_64                1.2.3-2.fc20       
gstreamer1-plugins-ugly.x86_64                      1.2.3-1.fc20

Problem after changing hardware 990FXA-UD3 mobo

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My old system was dying, an AMD processor with 4 cores.

I took a chance and bought this mobo 990FXA-UD3 with an AMD %X-9370 (or somesuchlike) CPU but kept the same 3 TB raid (master with 3TB mirror, but you know how Linux fakes that and doesn't really mirror the two. But anyway...). Now, the new system will boot but after a random time, simply crashes with no response whatsoever. Only a full power-down will get it to start up again.

Also, Fedora 20 only sees 8 Gb of the 16 Gb installed. BIOS sees the full 16, and "hardware checker" sees all 16, but Fedora main (and it's programs) only sees 8 Gb.

I assume the two problems are interrelated.

I aslo assumed that Linux would load all new drivers as needed, like it used to do, but apparently it does not. I do not know how to kick it to load what it needs for the new mobo and memory. Any help, please?

Gotta go before this thing shuts down.

Thanks!

Install packages from rawhide?

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I know in Debian I would do something similar to:

Code:

apt-get -t testing install package
What is the equivalent command for yum?

Mouse Cursor corruption - Fedora 20 - after yum update

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Hello Everyone!
First of all I am completely new to this forum and to linux :).
So take into consideration that I know almost nothing about the terminal (if that is needed to fix the problem).

My current linux knowledge involves:
.I know how to install it
.I know how to start it
.I know how to start the terminal
.I know my su Administration password

So, yesterday evening I decided:
"I am tired of windows, and want to learn something new so lets try linux."

After a bit of reading, I decided that the Fedora distro is the one for me.
So I installed it and everything was fine and looking good.

So I ran "yum update" in the terminal.
After restart I noticed that my mouse cursor is now corrupted.

I Have a small square under the cursor and the cursor looks "compressed"
(See attached pictures)

Now, if I restart and go back to the older kernel (I guess? :confused:) It works fine, without the corrupted pointer.
There is now 2 different version in my grub boot loader (one called heisenbug, being the new version with corrupted mouse pointer)

I don't know what more info I can provide except my computer specs:
.Asrock x79 extreme 9
.Intel i7-3930k
.16 Corsair low profile 1600mhz DDR3
.Intel 120GB SSD
.Asus AMD 290 r9 DirectCUII

Thanks in advance for helping me :)

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F21 + Firefox 30.0 - youtube not loading

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Heyas

Since several days i'm having issues to load youtube.com.
All i get is a timeout / server not found message.

Mainwhile, i can watch youtube videos from my mobile phone, so i know the site is working.

Any ideas where i should look for issue indicators?
tia

Currently running kernel version is older than installed security update

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Hello, I'm using F20. When I type command

Code:

sudo yum -v check-update

it returns

Code:

 
Security: kernel-3.14.6-200.fc20.x86_64 is an installed security update
Security: kernel-3.14.2-200.fc20.x86_64 is the currently running version

Is it right ?

Streamtuner2 doesn't work at all anymore

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Howdy,

Has anyone gotten Streamtuner to work lately?

As far as I can determine, the last time it worked properly was in F16 and it has been steadily going down hill since. :Y

The far simpler little ditty called radiotray is also broken, due to to a missing pynotify, which I don't know how to get.

Cheers,

H.

std::mutex on fedora MinGW 4.8.3-1.fc20

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Trying to use a std:mutex with the following code snippet


Code:

#include <mutex>

int main(int argc, char** argv)
{
    std::mutex mut;

  return 0;
}

I then try to compile this using:

Code:

/usr/bin/x86_64-w64-mingw32-g++ -std=c++11 -c w.cpp
which returns the errors:

Code:

w.cpp: In function 'int main(int, char**)':
w.cpp:7:2: error: 'mutex' is not a member of 'std'
  std::mutex mut;
  ^
w.cpp:7:13: error: expected ';' before 'mut'
  std::mutex mut;
            ^

This compiles fine with the (non-mingw) g++ compiler on F20

Code:

/usr/bin/g++ -std=c++11 -c w.cpp
Is there some other switch or option which I am meant to be setting to build using mingw?

thanks

chris
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