Bill Kuns | 20 Oct 17:51 2014

Password Needed

I inherited a computer running Windows 8.  When I power up the machine, it asks for a
password.  I don't have that password.  What can I do to use the machine?

Thank you.
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Paul Smith | 20 Oct 11:50 2014
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XFCE is working very badly

Dear All,

XFCE is working very badly, with the mouse clicking autonomously
without the user command.

Initially, I suspected that such a misbehaviour was caused by
Mathematica 10, but without Mathematica running since the beginning of
the XFCE session, the problem occurs.

Any ideas?

Thanks in advance,

Paul
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J.Witvliet | 20 Oct 11:32 2014
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RE: Permanently mount a USB Hard Disk for Security purpose

Hi Angelo,

 

Before embarking  on such exercise, what are your objectives?

Permanently mounting an USB-hard-drive could be useful, but is does have its drawbacks

I would only suggest it if the main drives (internally) have a problem with capacity or so, and even then only as a temporary stop-gap.

 

From performance point of view, USB-drives can be a major PITA, impacting overall system performance.

And with regards to “Security purpose” ($subject) it is pointless:

In case of fire, water, power-spikes, theft… (you name it) both your system AND the USB-drive will be lost.

 

And also, the HDD inside a usb-drive are seldom intended for 24/7 usage; neither the PSU that comes along (personal experience)

I’ve seen commercial desktops lasting much longer than USB-drives.

 

I would suggest to look at a NAS-box or turning some simple machines into CEPH-data-nodes, with all the usual precautions

(other room/building, different locks, other power-source, UPS, ect etc)

 

If you are serious about “Security”, try to avoid to allude yourself with false feelings.

 

USB-drives are very handy devices, but for a limited scope: for a quick backup/restore, test-installation or data migration

 

 

From: users-bounces <at> lists.fedoraproject.org [mailto:users-bounces <at> lists.fedoraproject.org] On Behalf Of Angelo Moreschini
Sent: maandag 20 oktober 2014 10:48
To: users <at> lists.fedoraproject.org
Subject: Permanently mount a USB Hard Disk for Security purpose

 

Hi,

 

for the first time I have to solve this kind of problem, that's way I would like to ask for some advice how to make correctly the installation of a "permanent" USB hard drive to use for saving data ...

 

The HD in question should have two partitions:

·         the first one to be used to synchronize immediately (rsync) important data for backup purposes

·         the second one to use, always backup purposes, to make scheduled backups of other type of data.

I think a USB HD should be suitable for this need (backup) for being able easily to remove and immediatly use, the stored data, on another computers.

I think I should first create -on the USB Hard Disk (that I could to use Gparted for this purpose)- two partitions of type MSDOS and then I should format these partitions in FAT32 format:
this is because 'the MSDOS type of partition and format FAT32 should ensure the possibility' of using the data both on Linux and on Windows systems.


Secondly, the HD should be mounted on the computer ... permanently.

Mkdir /media/resqueHD

mount -t fat32 /dev/sdd1 /media/resqueHD

and finally, the mounting should be made permanent by adding the line:

 

/dev/sdd1

/media/mydata ext4 defaults 0 0

 

to file /etc/fstab

 

 

finally

rsync -av dataToCheck /media/resqueHD/directory

 

Is this correct... and if it is also convenient to do ?

Thank you

 

Regards

 

Angelo

 

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Angelo Moreschini | 20 Oct 10:47 2014
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Permanently mount a USB Hard Disk for Security purpose

Hi,


for the first time I have to solve this kind of problem, that's way I would like to ask for some advice how to make correctly the installation of a "permanent" USB hard drive to use for saving data ...


The HD in question should have two partitions:

  • the first one to be used to synchronize immediately (rsync) important data for backup purposes

  • the second one to use, always backup purposes, to make scheduled backups of other type of data.

I think a USB HD should be suitable for this need (backup) for being able easily to remove and immediatly use, the stored data, on another computers.

I think I should first create -on the USB Hard Disk (that I could to use Gparted for this purpose)- two partitions of type MSDOS and then I should format these partitions in FAT32 format:
this is because 'the MSDOS type of partition and format FAT32 should ensure the possibility' of using the data both on Linux and on Windows systems.


Secondly, the HD should be mounted on the computer ... permanently.

Mkdir /media/resqueHD

mount -t fat32 /dev/sdd1 /media/resqueHD

and finally, the mounting should be made permanent by adding the line:


/dev/sdd1 /media/mydata ext4 defaults 0 0


to file /etc/fstab



finally

rsync -av dataToCheck /media/resqueHD/directory


Is this correct... and if it is also convenient to do ?

Thank you


Regards


Angelo


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D. Hugh Redelmeier | 20 Oct 08:14 2014

4k video fails after update

[This is a very incomplete report.  Sorry.  I wanted to get this out
before I go to bed. More when I have time.]

I have a Seiki "4k" monitor that I'm using on my Fedora 20 system.  I'm 
using the nvidia proprietary driver with a Geforce GTX 650 video card.  It 
has been working well for a while.

I don't remember whether it can work with nouveau.  Before I installed 
this monitor, I'd switch to the proprietary driver whenever I got annoyed 
with crashes in the nouveau driver.  Once I switch, it takes a new Fedora 
release for me to bother trying nouveau again.

After updates from the last week or so, when I boot, I no longer see 
anything on the screen.

It looks like the backlight is on.

The monitor tells me that it detects the 3840x2160  <at>  30Hz signal, but
I don't see it.

I can switch to a text console.  In fact, that's how I'm composing this
message.  And I can switch back.

I can log in blind on the X display (as long as I guess right about
where I am in the invisible dialogue).

I can grab Xorg.0.log -- X is running.  Nothing jumps out at me as
wrong.

From the text console, I can run xrandr and all appears to be as I
think that it should be:

Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DVI-D-0 connected primary 3840x2160+0+0 (normal left inverted right x axis y axis) 854mm x 481mm
   3840x2160     30.00*+  29.97    25.00    23.98  
   1920x1080     59.94    50.00    23.97    60.05    60.00    50.04  
   1440x900      59.89  
   1280x960      60.00  
   1280x720      59.94    50.00  
   1024x768      75.03    70.07    60.00  
   800x600       75.00    72.19    60.32  
   720x576       50.00    50.08  
   720x480       59.94    60.05  
   640x480       75.00    72.81    59.94  

I've tried to choose a more mainstream mode with xrandr but
have failed.

I've tried to blacklist the nvidia module but have failed.  I tried to
use this on the kernel line in /boot/efi/EFI/fedora/grub.cfg:
	rd.driver.blacklist=nvidia
(from googling) but the nvidia module still gets loaded and Xorg uses
it.  Is there a quick and dirty way of suppressing the nvidia drive
without removing it?
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jd1008 | 20 Oct 05:04 2014
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Browsing Insecurity

is much worse than I thought :)

See
http://www.theregister.co.uk/2014/07/22/canvas_fingerprinting_is_privacy_pirates_new_web_weapon/

I wonder if web browser developers will do something to counteract this 
attack on privacy.

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William Biggs | 20 Oct 04:06 2014

upgrade to kde plasma 5 from 4

I running kde in fedora 20 I would like to know how do I upgrade from 
kde 4 to kde plasma 5 ?
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Paul Smith | 20 Oct 01:08 2014
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Windows manager misbehaviour when Mathematica 10 runs

Dear All,

When I run Mathematica 10 on Fedora 20 under XFCE, the windows manager
misbehaviours (for instance, some single mouse clicks are recognized
as two sequential clicks). The issue seems related to the following:

http://mathematica.stackexchange.com/questions/55261/gnome-wants-to-kill-mathematica-10-during-selection

Does anybody know some solution/workaround for this problem?

Thanks in advance,

Paul
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jd1008 | 18 Oct 22:58 2014
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Re: How to prevent a program from accessing to the Internet?


On 10/18/2014 07:09 AM, Paul Smith wrote:
> Dear All,
>
> I would like to prevent a program from accessing to the Internet. Any ideas?
>
> Thanks in advance,
>
> Paul
A program? or a User?
If a program, then you need to understand somthing about *nix'es and *nux'es

Even if it were possible to prevent a specific program from accessing 
the internet,
there would be nothing to prevent a user from copying the program to 
some file
and rename that file to something else, and run it.

But if you mean to block a user, then the link provided by Rahul would 
be a solution.

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Aaron Siegel | 18 Oct 20:57 2014
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[Fwd: curl: (35) Cannot communicate securely with peer:]


Hello

I am stumped. I am trying to us the kraxel qemu repository, it appears
the repository moved to secure server since then I have not been able to
configure this properly. https://www.kraxel.org/repos/jenkins/
I receive the following error when I try to use the repository 
	curl: (35) Cannot communicate securely with peer: no common encryption
algorithm(s).

I receive the same error with centos 7 minimal installation and fedora
20. What am I doing wrong, I have recently switch to the Fedora
platform, I have not read all the manuals but trying.

I have imported the gpg keys that Kraxel has posted on his blog using
rpm --import. I can only download file through my web browser. I was
going to clone his git repository and set up a local repository, bit git
report the same error. Which leads me to believe the problem is with my
certificates.

I have even tried the firefox-db2pem.sh, I am not sure it did anything.

Does curl need to be recompiled with nss support? Is there a package I
need to compile? nss 3.17.2 is installed, non of the man page work. 

Looking deeper into the nss, 
	# certutil -L
	certutil: function failed: SEC_ERROR_LEGACY_DATABASE: The
certificate/key database is in an old, unsupported format.

I think there is something wrong with my nss certificates, but I have
run out of time. Any suggestions. 

This is on a brand new installation Fedora 20 and Centos 7, I have not
had time to break anything. 

The openssl command connect with the server, is
$ openssl s_client -connect www.kraxel.org:443

The curl output is posted below in fedora system the output for the
centos is the same with the exception of the curl and nss versions:

$ curl -v https://www.kraxel.org/repos/jenkins/repodata/repomd.xml

* Adding handle: conn: 0x6bea60
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 0 (0x6bea60) send_pipe: 1, recv_pipe: 0
* About to connect() to www.kraxel.org port 443 (#0)
*   Trying 217.197.83.6...
* Connected to www.kraxel.org (217.197.83.6) port 443 (#0)
* Initializing NSS with certpath: sql:/etc/pki/nssdb
*   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
* NSS error -12286 (SSL_ERROR_NO_CYPHER_OVERLAP)
* Cannot communicate securely with peer: no common encryption
algorithm(s).
* Error in TLS handshake, trying SSLv3...
> GET /repos/jenkins/repodata/repomd.xml HTTP/1.1
> User-Agent: curl/7.32.0
> Host: www.kraxel.org
> Accept: */*
> 
* Connection died, retrying a fresh connect
* Closing connection 0
* Issue another request to this URL:
'https://www.kraxel.org/repos/jenkins/repodata/repomd.xml'
* About to connect() to www.kraxel.org port 443 (#1)
*   Trying 217.197.83.6...
* Adding handle: conn: 0x6bea60
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 1 (0x6bea60) send_pipe: 1, recv_pipe: 0
* Connected to www.kraxel.org (217.197.83.6) port 443 (#1)
* TLS disabled due to previous handshake failure
*   CAfile: /etc/pki/tls/certs/ca-bundle.crt
  CApath: none
* NSS error -12286 (SSL_ERROR_NO_CYPHER_OVERLAP)
* Cannot communicate securely with peer: no common encryption
algorithm(s).
* Closing connection 1
curl: (35) Cannot communicate securely with peer: no common encryption
algorithm(s).

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poma | 18 Oct 18:24 2014
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Re: Yum update accident -

On 18.10.2014 14:28, Bob Goodwin - Zuni, Virginia, USA wrote:
...
> This is an updated system as of yesterday and yum downloaded a new 3.17 
> kernel this morning but has not been booted yet of course.

On 18.10.2014 16:58, Bob Goodwin - Zuni, Virginia, USA wrote:
...
> I guess it's safe enough to reboot now and start the new kernel? Will do 
> that unless advised otherwise.

$ rpm -q kernel
kernel-3.17.1-202.fc20.x86_64

$ uname -r
3.17.1-202.fc20.x86_64

This kernel?

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Gmane