Re: reInstalling my laptop

2014-10-27 Thread Tanstaafl
On 10/26/2014 3:17 PM, Jean-Marc jean-m...@6jf.be wrote:
 Thank so much for your answers.
 After reading them in the list archives, I think I will go for:
 - no dedicated partition for /boot;

For my new debian groupware server (sogo, working great so far), I just
installed with the defaults, which apparently is no separate /boot...

On gentoo at least, a separate /boot is recommended (or at least
provided in the example) in the handbook, for one security reason...

It is also auto-unmounted after booting (at least I know I didn't do
anything myself to configure that), and it does make sense that it is
kind of impossible for anything to modify an unmounted filesystem...

Now, whether or not that actually provides any real security buffer, or
it falls into the category of feel-good 'security-through-obscurity' is
beyond me to answer definitively... I've actually always wondered about
this, so I think I'll go ask on the gentoo list.


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reInstalling my laptop

2014-10-26 Thread Jean-Marc
Hi the list,

I will reinstall my laptop.

I have a question about partitioning.
I will use this setting:
/boot
swap
The rest under LVM (/, /var, /tmp, /home) ?

So, my question: /boot or not /boot ?

Jean-Marc jean-m...@6jf.be

P.S. I do not subscribe to the list; keep me in Cc:


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Re: reInstalling my laptop

2014-10-26 Thread Raffaele Morelli
On 26/10/14 at 12:43pm, Jean-Marc wrote:
 Hi the list,
 
 I will reinstall my laptop.
 
 I have a question about partitioning.
 I will use this setting:
 /boot
 swap
 The rest under LVM (/, /var, /tmp, /home) ?
 
 So, my question: /boot or not /boot ?

Another question is why not /home in a separate partition?


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Re: reInstalling my laptop

2014-10-26 Thread Joe
On Sun, 26 Oct 2014 12:43:53 +0100
Jean-Marc jean-m...@6jf.be wrote:

 Hi the list,
 
 I will reinstall my laptop.
 
 I have a question about partitioning.
 I will use this setting:
 /boot
 swap
 The rest under LVM (/, /var, /tmp, /home) ?
 
 So, my question: /boot or not /boot ?
 
 Jean-Marc jean-m...@6jf.be
 
 P.S. I do not subscribe to the list; keep me in Cc:

Only once, over a period of quite a few years, has one of my systems
failed to find LVM on booting, so on that occasion my life was easier
because /boot was separate. On one other occasion with a booting
problem, the fact that /boot was separate provided a little more data
to diagnose the problem.

On the other hand, in the early days of grub, there were at least three
occasions when a new grub did not correctly handle a separate /boot.
Fixing that became routine... but I haven't seen it happen since long
before grub2 arrived.

Your call...

-- 
Joe


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Re: reInstalling my laptop

2014-10-26 Thread Andrei POPESCU
On Du, 26 oct 14, 12:43:53, Jean-Marc wrote:
 Hi the list,
 
 I will reinstall my laptop.
 
 I have a question about partitioning.
 I will use this setting:
 /boot
 swap
 The rest under LVM (/, /var, /tmp, /home) ?

Why do you need /tmp on slow storage (and a dedicated partition)? /tmp 
on tmpfs works fine unless you have special needs.

I also don't bother to separate /var anymore, it hasn't brought any real 
advantages to me.

Kind regards,
Andrei
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Re: reInstalling my laptop

2014-10-26 Thread Mario Castelán Castro

 Hi the list,


I will reinstall my laptop.

I have a question about partitioning.
I will use this setting:
/boot
swap
The rest under LVM (/, /var, /tmp, /home) ?

So, my question: /boot or not /boot ?

Jean-Marc jean-m...@6jf.be

P.S. I do not subscribe to the list; keep me in Cc:


Jean-Marc, I think that everybody misses your request to keep you in the 
CC. You might want to check the list archives for more replies.


If it's of any use of you, my setup in my laptop is this: I have set up 
everything in LVM, including /boot. That's how I have my machine 
configured. I have a LV for each of / and /home, a LV for bulk downloads 
which aren't hard to recover and another Debian installation as well in 
the same VG (the /). This setting allows me to back up home directories 
often with LVM snapshots while the rest isn't backed up as often. Bulk 
downloads aren't backed up at all. I don't have a separate partition for 
/boot in either Debian installation. GRUB is configured to use the /boot 
of my main installation. I forgot to create a different PV for /tmp so 
that my snapshots don't grow, which I'm just going to do. LVM snapshots 
are useful, but they're not substitute for backups in different media. 
You can use the former to create the later by creating a snapshot, then 
dumping it to an external HD or a remote server.


Regards.


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Re: reInstalling my laptop

2014-10-26 Thread David Christensen

On 10/26/2014 04:43 AM, Jean-Marc wrote:

I will reinstall my laptop.
I have a question about partitioning.
I will use this setting:
/boot
swap
The rest under LVM (/, /var, /tmp, /home) ?
So, my question: /boot or not /boot ?
Jean-Marc jean-m...@6jf.be
P.S. I do not subscribe to the list; keep me in Cc:


I use the following for the machines in my SOHO, including my laptop:

unencrypted boot - 512 MB
encrypted swap - 512 MB, random password
encrypted root - 8 to 20 GB, depending upon use


Keeping the system drives small facilitates taking/ restoring images for 
disaster recovery and experimentation/ learning.



My bulk data is on one machine running Samba.


If I want to put some bulk data on my laptop, I add another partition.


I used LVM for a while, but didn't find any benefit for my use-cases.


I used ZFS FUSE and ZFS on Linux (ZOL) for bulk data for a while.  I was 
intrigued by ZFS's checksum, RAID, and de-duplication features, but the 
killer features turned out to be snapshots and replication.  zfs-fuse is 
an official Debian Apt package.  ZOL is a LLNL project with good support 
for 64-bit Debian (and others).  ZOL requires more work (including 
hand-rolled init and shutdown scripts), but is faster and has more 
features than zfs-fuse.



HTH,

David


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Re: reInstalling my laptop

2014-10-26 Thread Jean-Marc
Sun, 26 Oct 2014 10:32:48 -0700
David Christensen dpchr...@holgerdanske.com écrivait :

 [...]
 

Thank so much for your answers.
After reading them in the list archives, I think I will go for:
- no dedicated partition for /boot;
- no swap;
- one big partition under LVM with:
- 2 Lv's for / and /home, maybe a third one for /var;
- /tmp on tmpfs.


Jean-Marc jean-m...@6jf.be


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Re: reInstalling my laptop

2014-10-26 Thread Erwan David
Le 26/10/2014 20:17, Jean-Marc a écrit :
 Sun, 26 Oct 2014 10:32:48 -0700
 David Christensen dpchr...@holgerdanske.com écrivait :

 [...]

 Thank so much for your answers.
 After reading them in the list archives, I think I will go for:
 - no dedicated partition for /boot;
 - no swap;
 - one big partition under LVM with:
 - 2 Lv's for / and /home, maybe a third one for /var;
 - /tmp on tmpfs.


 Jean-Marc jean-m...@6jf.be

Beware : swap partition is used for hibernation, which you can find
useful on a laptop




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Re: reInstalling my laptop

2014-10-26 Thread David Christensen

On 10/26/2014 12:17 PM, Jean-Marc wrote:

Thank so much for your answers.


YW.



After reading them in the list archives, I think I will go for:
- no dedicated partition for /boot;
- no swap;
- one big partition under LVM with:
- 2 Lv's for / and /home, maybe a third one for /var;
- /tmp on tmpfs.


I ran my machines without swap for a while, and found that applications 
crashed when the system was low on memory and I did something that 
required memory (start a program, open a file, etc.).  So, a swap 
partition is necessary; 512 MB seems to work for my needs.



HTH,

David


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