Re: How to install MPEG-4 AAC decoder ?

[Samuel Sieb]

On 06/25/2018 10:06 PM, 郭 灵贤 wrote:
How to install MPEG-4 AAC decoder ? I am a beginner of linux , I need  
detailed step . I have gotten  answer ,but the answer is not detailed .


Stop sending the same question over and over.  If you don't understand 
the detailed answer that was provided, then reply to it and ask further 
questions to get the information that you need.  If you really need step 
by step instructions, then maybe try asking on the IRC channel.  You 
could also try the Chinese Fedora IRC channel, but I don't know how 
active it is.

irc://irc.freenode.net/fedora-zh
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How to install MPEG-4 AAC decoder ?

[郭 灵贤]

How to install MPEG-4 AAC decoder ? I am a beginner of linux , I need  detailed 
step . I have gotten  answer ,but the answer is not detailed .
发送自 Windows 10 版邮件应用

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Re: How to install MPEG-4 AAC decoder ?

[Samuel Sieb]

On 06/25/2018 09:29 PM, 郭 灵贤 wrote:
How to install MPEG-4 AAC decoder ? I am a beginner of linux , I need 
detailed step .


You asked this same question earlier today and received an answer.  Why 
are you asking again?

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Re: How to install MPEG-4 AAC decoder ?

[Samuel Sieb]

On 06/25/2018 09:40 PM, Joe Zeff wrote:

On 06/25/2018 09:29 PM, 郭 灵贤 wrote:
How to install MPEG-4 AAC decoder ? I am a beginner of linux , I need 
detailed step .


发送自Windows 10 版邮件 应用


I think this is a spammer as the link ends up at outlook.com.


No, this person is using outlook.com (Exchange) for email.  I assume 
that the site is adding the footer to the emails as advertising...

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Re: How to install MPEG-4 AAC decoder ?

[Joe Zeff]

On 06/25/2018 09:29 PM, 郭 灵贤 wrote:
How to install MPEG-4 AAC decoder ? I am a beginner of linux , I need 
detailed step .


发送自Windows 10 版邮件 应用



I think this is a spammer as the link ends up at outlook.com.
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How to install MPEG-4 AAC decoder ?

[郭 灵贤]

How to install MPEG-4 AAC decoder ? I am a beginner of linux , I need detailed 
step .

发送自 Windows 10 版邮件应用

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Re: video display problem -

[Bob Goodwin]

On 06/25/18 18:56, Rick Stevens wrote:

Have you tried clips you've viewed before to isolate it?

+

I dug up a couple of text messages from February with 3gp video clips 
and they have the same small display problem so something has changed 
here in VLC. /I have only had this problem with .3gp files. Mov clips work.


It is VLC ver. 3.0.3.

I needed chrome to run another PTZ camera for the functions that control 
movement, pan and tilt. I wonder if that has changed something in the 
VLC configuration? Perhaps I can set the configuration aside and it will 
build anew?


I'll look at that tomorrow.
/

--
Bob Goodwin - Zuni, Virginia, USA
http://www.qrz.com/db/W2BOD
box10  FEDORA-27/64bit LINUX XFCE Fastmail POP3
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Re: video display problem -

[Bob Goodwin]

On 06/25/18 18:56, Rick Stevens wrote:

Have you tried clips you've viewed before to isolate it?

+
I will try that later if I can find one, let you know. Gotta feed some 
horses now ...


--
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http://www.qrz.com/db/W2BOD
box10  FEDORA-27/64bit LINUX XFCE Fastmail POP3
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Re: video display problem -

[Bob Goodwin]

On 06/25/18 18:47, Ed Greshko wrote:

I downloaded some .3gp files from a few "sample sites".  They all went into 
"full
screen" mode in VLC when I typed "f'.  Some of them looked OK, some horrible.
Depending on the resolution in which they were recorded.

+

Ok, I guess I'd better go through my files and see if I can find an 
older one, see if it works full screen.


Often when these start it flashes what I think is full screen for about 
"100ms" then settles as a tiny display. I'll try that later and report 
back ...


Thanks

--
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http://www.qrz.com/db/W2BOD
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Re: video display problem -

[Rick Stevens]

On 06/25/2018 03:30 PM, Bob Goodwin wrote:
> Until recently VLC would display .3gp video clips from an iPhone full
> screen on this 24" monitor. Now they are very small, perhaps less than a
> two inch square.
> 
> This is the rpmfusion vlc on Fedora 27.

Which vlc version? I don't have F27 here, but VLC 3.0.3 on F28 seems
to work a treat.

> I suspect Apple has changed something. Am I the only one seeing this
> problem? Is there a fix for it?

Have you tried clips you've viewed before to isolate it?
--
- Rick Stevens, Systems Engineer, AllDigitalri...@alldigital.com -
- AIM/Skype: therps2ICQ: 226437340   Yahoo: origrps2 -
--
- I don't get mad and I don't get even.  I get ahead!-
--
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Re: video display problem -

[Ed Greshko]

On 06/26/18 06:30, Bob Goodwin wrote:
> Until recently VLC would display .3gp video clips from an iPhone full screen 
> on
> this 24" monitor. Now they are very small, perhaps less than a two inch 
> square.
>
> This is the rpmfusion vlc on Fedora 27.
>
> I suspect Apple has changed something. Am I the only one seeing this problem? 
> Is
> there a fix for it?


I downloaded some .3gp files from a few "sample sites".  They all went into 
"full
screen" mode in VLC when I typed "f'.  Some of them looked OK, some horrible. 
Depending on the resolution in which they were recorded.

-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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Re: cpupower

[Tim via users]

Allegedly, on or about 25 June 2018, Howard Howell sent:
> This typically requires more than just vacuuming the outside. 
> Typically you have to remove the heatsink and fan, and use a brush or
> q-tips to ferret out the various dustbunnies in the nooks and
> crannies that are near the CPU. 

Ah yes, I forgot to mention that the heatsink must be unclogged.  They
don't radiate heat away effectively if air can't readily flow over the
fins.

Cans of compressed air, with a straw on the nozzle, can be useful for
clearing the cruft out of heatsink fins.  Do it outdoors, the mess goes
everywhere (including your eyes and lungs).

Don't use an air compressor, the blast is strong enough to do physical
damage, as well as with static electricity.

> Most heatsinks have retainers that hook down to the socket.  look
> carefully at how the hooks engage and look for a lever to release
> them. Open ONLY that lever.  Do not open the wire lever under the
> socket, it holds the cpu to the socket.

You need to be careful removing heatsinks, some of the assemblies don't
want to come apart without breaking.  Likewise, when replacing
assemblies, they need to firmly attach.  If they won't, you're better
off to buy a new assembly.  Sometimes you find that the fan's bearings
are wearing out, or clogging up, and you want to replace the fan.

I've grown to hate those plasticky push down and click heatsink things.
 There's some with a hook and lever which are better, but obviously can
only attach to suitable motherboards / CPU sockets.  The bolt down Mac
ones seem a much more robust way of doing things, and necessary with
the really huge heatsinks they were using.


-- 
[tim@localhost ~]$ uname -rsvp
Linux 4.16.11-100.fc26.x86_64 #1 SMP Tue May 22 20:02:12 UTC 2018 x86_64

Boilerplate:  All mail to my mailbox is automatically deleted.
There is no point trying to privately email me, I only get to see
the messages posted to the mailing list.

Linux servers are always being dæmonised...
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video display problem -

[Bob Goodwin]

Until recently VLC would display .3gp video clips from an iPhone full 
screen on this 24" monitor. Now they are very small, perhaps less than a 
two inch square.


This is the rpmfusion vlc on Fedora 27.

I suspect Apple has changed something. Am I the only one seeing this 
problem? Is there a fix for it?


--
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http://www.qrz.com/db/W2BOD
box10  FEDORA-27/64bit LINUX XFCE Fastmail POP3
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Re: cpupower

[Howard Howell]

On Mon, 2018-06-25 at 03:55 +0930, Tim via users wrote:
> Allegedly, on or about 24 June 2018, JD sent:
> > Reason I am posting this is because the normal speed of the cores
> > is 2.8GHz, and that is causing numerous kerneloops interrupts
> > (overheating).
> > Fans are at full speed all the time, as I can hear them :) :)
> 
> Sounds like you have inadequate cooling, and that's going to be a
> long
> term problem that mayn't be avoided by what you're trying to do.
> 
> Hot components need a large enough heatsink to dissipate their heat,
> and it needs to be firmly attached, with heatsink compound filling
> the
> tiny gap between chip and heatsink.
> 
> Heatsinks need to have a fan, or other heat distribution scheme, to
> make the heat radiate away sufficiently, and quickly enough.
> 
> The case needs to have airflow that brings in fresh air, and expels
> hot
> air (running a case with the cover off can prevent adequate airflow
> *across* things, likewise with other obstacles in the case).  Even
> systems that use liquid cooling still need to move air through the
> computer case, because not everything that generates heat will be
> directly connected to the cooling system.
> 
> 
> 
If this is a recent problem, can you clean up the heatsink?  

I am not familiar with the liquid cooled systems.  If you have one of
those refer to their manual for routine maintenance.

Otherwise if it is a fan cooled version:

This typically requires more than just vacuuming the outside. 
Typically you have to remove the heatsink and fan, and use a brush or
q-tips to ferret out the various dustbunnies in the nooks and crannies
that are near the CPU. 


Most heatsinks have retainers that hook down to the socket.  look
carefully at how the hooks engage and look for a lever to release them.
Open ONLY that lever.  Do not open the wire lever under the socket, it
holds the cpu to the socket.

 You will need to be careful not to pull the CPU from its socket,
because if you do that without releasing the socket, the pins will bend
(if it is a pinned CPU) if it is BGA, you risk "smearing" the balls. 
So that requires care.  Its not difficult, just don't "rip" the heat
sink off, but pull it slowly from the grip of the adhesive bond of the
heatsink compound.

Once it is off, remove the fan, typically 4 screws, then using a small
tool, like a lady's finger care orange stick to ferret out all the hair
balls and dustbunnies.  You can also wash the heatsink in warm soapy
water, it's aluminum, just like an aluminum cooking pot.

Clean the top of the CPU with a static free rag and a small amount of
alcohol to ensure a good contact area of the heatsink compound.

To replace the heatsink, re-attach the fan, noting the lenght of cord
to connect to the motherboard for the fan, so orient it as required,
Then add a single drop of heatsink compound at the center of the CPU.
Just a single drop.  Then sort of "wiggle" the heatsink down to spread
the compound.  Close the retainer as you had to do to remove the
heatsink.

That's it.  Your cpu should be cooling as designed.

You can also check out some videos on line.
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Re: How to install MPEG-4 AAC decoder ?

[stan]

On Mon, 25 Jun 2018 08:35:01 +
郭 灵贤  wrote:

> How to install MPEG-4 AAC decoder ? I am a beginner of linux , I need
> detailed step .

I'll presume you want to play mp4 videos on linux.  

Go here,
https://rpmfusion.org/
and click the link to enable rpmfusion on your system,
https://rpmfusion.org/Configuration

Once that is done, from a command line (in a virtual console or in
a graphical term) type 
dnf install mplayer vlc ffmpeg

You can then use 
man mplayer
or 
man ffmpeg
or
man vlc 
to get information on how to use them to play videos.

e.g.
mplayer [video name here]
ffplay [video name here]
vlc [video name here]

There is a graphical interface smplayer to use mplayer in the gui, and
vlc is automatically a gui program.
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Re: [OT] modula-2 compiler [ISO] for fedora 28

[Jon Ingason]

Den 2018-06-25 kl. 17:28, skrev Joachim Backes:
> Hi,
> 
> anybody knows where to get an ISO version of the modula-2 compiler for
> LINUX, especially FEDORA-28?

See http://www.nongnu.org/gm2/

> 
> Kind regards
> 
> Joachim Backes
> 


-- 
Regards

Jon Ingason
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Re: [OT] modula-2 compiler [ISO] for fedora 28

[stan]

On Mon, 25 Jun 2018 17:28:27 +0200
Joachim Backes  wrote:

> anybody knows where to get an ISO version of the modula-2 compiler
> for LINUX, especially FEDORA-28?

http://www.nongnu.org/gm2/download.html

Covers all versions, apparently.  Will have to use legacy gcc (6 or
less).
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[OT] modula-2 compiler [ISO] for fedora 28

[Joachim Backes]

Hi,

anybody knows where to get an ISO version of the modula-2 compiler for 
LINUX, especially FEDORA-28?


Kind regards

Joachim Backes

--

Fedora release 28 (Twenty Eight)
Kernel-4.17.2-200.fc28.x86_64


Joachim Backes 
https://www-user.rhrk.uni-kl.de/~backes/
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Re: portable (non-live) Fedora on an external USB drive

[ja]

On Mon, 2018-06-25 at 10:04 -0400, Go Canes wrote:
> On Mon, Jun 25, 2018 at 8:51 AM, Patrick O'Callaghan
>  wrote:
> > On Mon, 2018-06-25 at 08:47 -0400, Go Canes wrote:
> > > But then
> > > when I go to boot the external drive, it immediately displays
> > > "Operation System not found" - Note that is is "Operation", *not*
> > > "Operating".
> > 
> > That could be a message from your BIOS, which would imply it's not
> > finding even the first stage boot block. Check BIOS settings.
> 
> I get a single bit of disk activity when I try to boot off the
> external drive, so it is at least *trying* to find the 1st stage boot
> block.  While I am obviously not 100% certain, my thinking is that
> something isn't quite right with the grub config.
> 
> Let me see if I can't take a peek at the 1st sector and see what is in there.
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> JXUM7VIHINSRBULEAUS3ZPJEBNTAG/

I have tidied up my efforts about USB booting - it might help
The mailer will probably destroy the layout though!

2018_06_03

//---
The latest "standard" SSD layout is as follows.
The "BIOS boot partition" may well not be required as grub2 data is probably 
located in sectors 1 -> 2047
The separate /boot partition (sda3) may well not be used.
[root@gtx:~]$ gdisk -l /dev/sda
Found valid GPT with protective MBR; using GPT.
Disk /dev/sda: 250069680 sectors, 119.2 GiB
Model: Voyager GTX 
Main partition table begins at sector 2 and ends at sector 33
Partitions will be aligned on 2048-sector boundaries
Number  Start (sector)End (sector)  Size   Code  Name
   120484095   1024.0 KiB  EF02  BIOS boot partition
1MiBnone  
   24096 1028095   500.0 MiB   EF00  EFI System 
  500MiBvfat  /boot/efi 
   3 1028096 2097152   522.0 MiB   8300  Linux filesystem   
1GiBext4  /boot 
   4 209920018876415   8.0 GiB 8200  Linux swap 
8GiBswap
   518876416   134219775   55.0 GiB8300  Linux filesystem   
ext4  /
   6   134219776   250069646   55.2 GiB8300  Linux filesystem   
ext4  spare
//---
If the UEFI does not "see" the SSD then check the status of the Protective MBR 
boot flag using gdisk/fdisk
To CLEAR the flag   gdisk /dev/sda  p ; v ; x ; n ; 
w ;
To SET/CLEAR the flag   fdisk /dev/sda  M ; i ; a ; i ; w ; q ;
//---
USB SSD TRIM - As root
/home/ja/bin/wiper.sh --verbose --commit /dev/sda1
//---
To discover how the machine was booted
1. Check grub menu entries for linux16 or linuxefi
2. When booted in UEFI mode efibootmgr will provide relevant information
//---
To ensure that the device will run on the widest range of machines
dnf install dracut-config-generic   
To force a generic initrd
To force an existing kernel to use a "fully configured" initramfs file then
dracut --regenerate-all --force
//---
Creation of an SSD (USB or SATA) device that will boot on both BIOS and UEFI 
based machines.
References:
https://blog.heckel.xyz/2017/05/28/creating-a-bios-gpt-and-uefi-gpt-grub-bootable-linux-system/
https://superuser.com/questions/801515/is-a-hybrid-linux-usb-stick-for-uefi-legacy-bios-possible

Currently it is not known how the fedora installer determines which boot 
mechanism to use.

Once a bootable installation has been achieved (BIOS or UEFI) the "alternative" 
boot mechanism
can be installed.  Both of the possibilities described below have been well 
tested.
Triple check the correct device name at all stages, /dev/sda is assumed below.

Case 1: The machine has booted from a BIOS install  Install 
the UEFI boot loader
mkfs -t vfat /dev/sda2  
if required (double check sda2)
mount /dev/sda2 /boot/efi   
(double check sda2)
dnf [re]install grub2-efi-x64 shim-x64 efibootmgr   this 
should populate /boot/efi/EFI/fedora
grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg create 
the UEFI .cfg file*

Re: [SOLVED] Re: >60gb of reserved memory??

[Wolfgang Pfeiffer]

On Mon, Jun 25, 2018 at 01:09:55PM +0300, Susi Lehtola wrote:

On 06/22/2018 02:50 PM, Wolfgang Pfeiffer wrote:

I'd try a newer kernel from the 4.17 series from the non-official
kernel repo for Fedora, just to narrow down the issue and see, whether
it's really a kernel thing:

https://fedoraproject.org/wiki/Kernel_Vanilla_Repositories


This turned out to be a bad proposal, since the workstation didn't 
boot up anymore with the vanilla kernel.


Perhaps I should have explicitly quoted here what the page also
says:

" Important notes ...
  most systems work better and run in a more secure manner with the
  official Fedora kernels"

Next time I might just mention exactly this ... ;)

Fortunately, the local IT support went in and updated the BIOS which 
fixed the memory issue


Congratulations!
And thanks for the feed-back! 


Wolfgang
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Re: portable (non-live) Fedora on an external USB drive

[Go Canes]

On Mon, Jun 25, 2018 at 8:51 AM, Patrick O'Callaghan
 wrote:
> On Mon, 2018-06-25 at 08:47 -0400, Go Canes wrote:
>> But then
>> when I go to boot the external drive, it immediately displays
>> "Operation System not found" - Note that is is "Operation", *not*
>> "Operating".
>
> That could be a message from your BIOS, which would imply it's not
> finding even the first stage boot block. Check BIOS settings.

I get a single bit of disk activity when I try to boot off the
external drive, so it is at least *trying* to find the 1st stage boot
block.  While I am obviously not 100% certain, my thinking is that
something isn't quite right with the grub config.

Let me see if I can't take a peek at the 1st sector and see what is in there.
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Re: portable (non-live) Fedora on an external USB drive

[Patrick O'Callaghan]

On Mon, 2018-06-25 at 08:47 -0400, Go Canes wrote:
> But then
> when I go to boot the external drive, it immediately displays
> "Operation System not found" - Note that is is "Operation", *not*
> "Operating".

That could be a message from your BIOS, which would imply it's not
finding even the first stage boot block. Check BIOS settings.

poc
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portable (non-live) Fedora on an external USB drive

[Go Canes]

Similar to an earlier thread [portable (really) Fedora on stick], I am
trying to create a portable Fedora 27 install on an external USB hard
drive.  I have done this in the past as recently as Fedora 14, but
things have changed since then, and I seem to be hitting some
unexpected issues

The install proceeds as expected, no apparent errors, etc.  But then
when I go to boot the external drive, it immediately displays
"Operation System not found" - Note that is is "Operation", *not*
"Operating".

Googling, I found suggestions regarding setting boot flags which I
have tried to no avail.

In the thread mentioned above, there was a step to use dracut to
rebuild the initramfs files, which I have done, again to no avail.
(This step was done by using the install USB stick, the "troubleshoot"
option, and then chroot'ing into /mnt/sysimage).

Any suggestions as to what I should try next?


Some additional info

Internal drive has been wiped, and is not bootable.
External USB drive is 4TB, and has a GPT partition table using the
default layout provided by the installer.
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[SOLVED] Re: >60gb of reserved memory??

[Susi Lehtola]

On 06/22/2018 02:50 PM, Wolfgang Pfeiffer wrote:

I'd try a newer kernel from the 4.17 series from the non-official
kernel repo for Fedora, just to narrow down the issue and see, whether
it's really a kernel thing:

https://fedoraproject.org/wiki/Kernel_Vanilla_Repositories


This turned out to be a bad proposal, since the workstation didn't boot 
up anymore with the vanilla kernel.


Fortunately, the local IT support went in and updated the BIOS which 
fixed the memory issue

$ free
  totalusedfree  shared  buff/cache 
available
Mem:   65845468  69088064087868  161676 1066720 
64368104

Swap:  62499836   062499836

and they also booted the computer in a Fedora kernel. (I'm off-site for 
a couple of months.)


I.e. the BIOS was the problem, as I had suspected.
--
Susi Lehtola
Fedora Project Contributor
jussileht...@fedoraproject.org
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How to install MPEG-4 AAC decoder ?

[郭 灵贤]

How to install MPEG-4 AAC decoder ? I am a beginner of linux , I need detailed 
step .
发送自 Windows 10 版邮件应用

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