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Messages - Keith

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1
Linux Support / Re: Linux 64 bit installation problem [Solved]
« on: Yesterday at 07:43:32 pm »
Many thanks.

2
Linux Support / Re: Linux 64 bit installation problem
« on: Yesterday at 04:45:11 pm »
I'm pleased that your patience and tenacity has solved the problem.  And many thanks for keeping us up-to-date with your various tests. 
To assist other people looking for the solution, please edit the title of your first post on this topic as [SOLVED].

Thank you.
   Keith

3
Linux Support / Re: NEED HELP PLAYING DVDS ON UBUNTU COMPUTER PLEASE
« on: June 10, 2021, 10:39:39 pm »
Hello Matilda - and welcome to the Forum.

VLC player is generally very good but if you are having problems with it you might like to try "MPV Media Player" which is available in the Software centre. 
You can set the default video player in System-settings/Details/Default-applications.  If you have difficulty doing that, just come back here.

By the way:  Are you using Ubuntu's default Unity Desktop (with the large icons down the left hand side)?  If so you might prefer "Classic view" which is much easier to navigate.  If you want to try it do ask. 

Keith

4
Linux Support / Re: Rsync
« on: June 07, 2021, 03:11:13 pm »
Freelance, 

you give your command as:
Quote
rsync -v -a  --max-size=4GB --delete <home directory> .
<mount point> .
I note three points:
1. you have two lines here - is that how you issue the command?
2. You show two full stops (.).  They have a particular meaning in Linux (it means your current directory) so the first line would copy your Home directory (if that's where you are) to the home directory. 
I am guessing that your actual command is
Code: [Select]
rsync -v -a  --max-size=4GB --delete <home directory> <mount point>
Is that the case?

3. Do you really want to back up the whole of your Home directory?  Including all the system files?  Mine comes to 64GB.  If you do, you might be better off using the tar command which saves the whole lot as a single file which can be compressed, too.  Its rather fiddly to use which is why I use rsync but I back up only the important directories (Documents, Pictures, etc) and you can put them all on the same line like so:
Code: [Select]
rsync -av --delete --max-size=4GB Documents Pictures Music .bin etc  <mount-point>
Keith

5
Linux Support / Re: ip neigh and arp - incorrect MAC address
« on: June 05, 2021, 10:14:12 pm »
"how I can scan my entire network for MAC Addresses assuming this "unknown" one is on my network"?

If you log into your router it should show you the name, MAC address and IP address of each device the router can see.
For example;  my router address is http://bthomehub.home/index.htm?pg=home.htm.   Or just bthomehub.home will do. 
Beyond that, I can't offer any advice. 

Keith

6
Linux Support / Re: Linux 64 bit installation problem
« on: June 03, 2021, 08:58:42 pm »
Join the club, Graeme. 
I'd forgotten about cpuinfo which is exceptionally informative. 

Steve; you can find more info on the flags here: https://www.linuxquestions.org/questions/linux-general-1/proc-cpuinfo-flag-lm-358563/

Keith

7
Linux Support / Re: Linux 64 bit installation problem
« on: June 03, 2021, 05:10:15 pm »
.....or better:
Code: [Select]
sudo cat /proc/cpuinfo

Keith

8
Hardware Compatibility / Re: intel pentium gold 7505
« on: June 02, 2021, 04:39:56 pm »
Hi JoJo - and welcome to the forum.

Not sure what you mean by "not listed anywhere" - there are lots of references to it on the web.

As far as I can tell, the "intel pentium gold 7505" has PAE (Primary Address Extension) that allows it to address up to 64GB RAM, and this is a requirement for Linux to run.  So it looks OK for you.   
The 7505 is a budget CPU so don't expect very fast performance.  Other than that it should be fine. 

Keith

9
Linux Support / Re: Linux 64 bit installation problem
« on: June 02, 2021, 02:36:05 pm »
Your assessment sounds about right, Steve.  I don't know anyone with an Acer so can't canvass opinion.

If a 32 bit installation works OK, is there any need for a 64 bit OS?  I grant you that most modern s/w is designed for 64 bit but if all you need is everyday applications then you should be fine. 
Sources of 32 bit Linux OSs will provide suitable extra software that will be guaranteed to work.  Mint, which you have, is a good example.
In the long term, though, you might need to ¬£upgrade. 

Good luck.
  Keith

10
Linux Support / Re: Linux 64 bit installation problem
« on: May 31, 2021, 04:25:22 pm »
The web info I found wasn't very specific about 32/64 bit for your Asus so, as I said: just clutching at straws. 
I seem to remember from the distant past that when 64 bit was the new thing some 64 bit computers would run 32 bit operating systems but not the other way round, although one can do it in a virtual environment, apparently:  https://unix.stackexchange.com/questions/118343/run-64-bit-app-on-32-bit-ubuntu-system.

If the previous owner had the same problem, then it looks like you are in trouble unless you go to a lot of effort with Virtual Machines.  It's very odd, though. 
Perhaps other Members can offer some advice. 

Keith

11
Linux Support / Re: Linux 64 bit installation problem
« on: May 30, 2021, 08:48:50 pm »
Hi Steve -  and welcome to the Forum.

Just clutching at straws - is this a 32 bit machine?  If so then that could well be the problem and, as you say, Acers do seem to be particularly susceptible. 

For everyday work, 32 bits is fine and I would recommend installing one of the several 32 bit versions of Linux available: https://www.fosslinux.com/43256/linux-distributions-support-32-bit-architecture.htm

If you need to run very modern software that is available only in 64 bit then a "new" PC might be in order. 

Keith

12
Linux Support / Re: How to Back Deletes
« on: May 25, 2021, 11:15:48 pm »
The script was from the Mad Penguin, who's an ace at that kind of thing.
As for nice:  it's a way of specifying what importance you attach to a job (how nicely you want to treat your computer!).  The man pages offer a brief explanation. 

I don't use all those options, either.  The -O option is
"-O, --omit-dir-times    =    omit directories from --times"  where
"-t, --times   =    preserve modification times"
I could give that a miss, too. 

Looks like you've got it all sussed - thanks for keeping us informed of progress. 

Keith

13
Linux Support / Re: How to Back Deletes
« on: May 22, 2021, 09:43:13 am »
(and yes, I do --delete to keep them the same)   Good - So saving the Rubbish bin would solve the deleted problem. 

If you have "numerous users" then it might be advisable to save daily backups for each user to appropriately-named files, keeping only, say, the last ten days' backups for each user.  And it wouldn't need to be an incremental backup. 

Approximately how much data do you save each time for all your users?  And do you save their entire Home directory?  If so then using "tar/gz" on Home would save the whole thing in a compacted form to save space.  {Search "linux tar command" for examples}

If you write a script for doing the backups the file-date naming could be done automatically.  If the users are all users of the same PC then the usernames could be incorporated automatically also in the backup filename.  e.g. Backups/Fred/2021-05-22.  Indeed, by using a "cron job" you could automate the entire process, although starting with a simple method might wise!

Keith

14
Linux Support / Re: How to Back Deletes
« on: May 21, 2021, 10:30:24 pm »
Hello Brian - and welcome to the Forum.

Why do you want to back up deleted files?  And why for only seven days? Would it not be better to not delete them until their 7-day usefulness has expired?   

As it happens, the bare command rsync does not remove from the earlier backup any files that you have subsequently deleted - you could check this to confirm it - it merely updates the directories you specify. 

Perhaps the easiest solution is
Code: [Select]
rsync -a --delete Documents Pictures Music .local/share/Trash
which will back up your specified directories (removing from the backup any files that you have deleted since the last one) and also back up the whole of your Rubbish bin.  You ought to be keeping your Rubbish bin fairly empty anyway - say keeping only the last month's deleted files.  A well-maintained rubbish bin will not take up much backup-space. 

Keith

15
Linux Support / Re: yum install --nogpgcheck and friends
« on: May 16, 2021, 09:11:01 am »
Hello Yumhamster - and welcome to the Forum.

First of all;  please read the "New Members Start Here" boards before submitting your posts, or they may be deleted. 

I am not familiar with this subject but I noticed a couple of things. 
1. Did the system provide any error messages during the attempted installation?  If so, please post them - the more information that you provide the easier it is for people to assist. 
2. Although the file /etc/pki/rpm-gpg/ is writable by the owner, you might like to try changing the permissions:
Code: [Select]
sudo chmod 777 /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo
just to cover all possibilities.  Overkill, I know, but worth a try. 
3. Have you checked that the paths to CentOS_7/extras_x86_64 and gpg_key_content actually work?  (always a good idea to provide the paths in your post)

Have a look at
https://stackoverflow.com/questions/42974465/package-verification-keys-for-centos-scl-rpms
https://centos.org/keys/
http://stackoverflow.com/questions/42974465/ddg#43341122
https://unix.stackexchange.com/questions/207907/how-to-fix-gpg-key-retrieval-failed-errno-14

Keith

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