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How to Swap Partition Size For Domestic Ubuntu

Crunchbang does not see existing Ubuntu installationExpand the size of swap partitionHow to expand /boot partition on Ubuntu 15.10?OOM situations handled horribly - better to disable swap?How to resize the disk of an Ubuntu-VM correctly with GPartedMouse clicks not working in Ubuntu 16.04 LTS

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2

Trying here to do an installation of Ubuntu 18.04 LTS, focusing on domestic surveillance with some ip cameras.

There will be about 12 cameras, which we are going to add in Zoneminder with images capture function.

With this in mind, what should be the Swap partition size?

And how may one enable this partition and start using it?

I already have an installation system with 5GB of Swap, but heard that it isn't enough.

linux ubuntu swap

share|improve this question

edited 48 mins ago

Vasconcelos1914

31122 silver badges1515 bronze badges

asked Aug 25 at 21:20

Forester77Forester77

9288 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Start with something big. Then shrink it (if you thing that you will need the space). When you are settled on a size, then grow other partition to use the spare space.
  
  – ctrl-alt-delor
  Aug 25 at 22:02
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Is it recommendable to resize partitioning? I've never had good experience doing it.
  
  – Forester77
  Aug 25 at 23:32
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Backup first. It can be done. You have to take the file-systems offline first.
  
  – ctrl-alt-delor
  Aug 26 at 8:50
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The Ubiquity wiki.ubuntu.com/Ubiquity installer used by Ubuntu 18.04 now defaults to no swap partition, and instead generates a swap file which is automatically generated and enabled. It has done so since late 2017, when the kernel improved swap file performance. Therefore, you don't have to create a swap partition, and can monitor your system to determine how much swap is really needed. You can increase or decrease swap file size and use ('swappiness' askubuntu.com/questions/103915/how-do-i-configure-swappiness ) without going offline and rebooting.
  
  – K7AAY
  Aug 26 at 21:56
  
  
  

  
  
  
  

add a comment
 | 

2

Trying here to do an installation of Ubuntu 18.04 LTS, focusing on domestic surveillance with some ip cameras.

There will be about 12 cameras, which we are going to add in Zoneminder with images capture function.

With this in mind, what should be the Swap partition size?

And how may one enable this partition and start using it?

I already have an installation system with 5GB of Swap, but heard that it isn't enough.

linux ubuntu swap

share|improve this question

edited 48 mins ago

Vasconcelos1914

31122 silver badges1515 bronze badges

asked Aug 25 at 21:20

Forester77Forester77

9288 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Start with something big. Then shrink it (if you thing that you will need the space). When you are settled on a size, then grow other partition to use the spare space.
  
  – ctrl-alt-delor
  Aug 25 at 22:02
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Is it recommendable to resize partitioning? I've never had good experience doing it.
  
  – Forester77
  Aug 25 at 23:32
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Backup first. It can be done. You have to take the file-systems offline first.
  
  – ctrl-alt-delor
  Aug 26 at 8:50
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The Ubiquity wiki.ubuntu.com/Ubiquity installer used by Ubuntu 18.04 now defaults to no swap partition, and instead generates a swap file which is automatically generated and enabled. It has done so since late 2017, when the kernel improved swap file performance. Therefore, you don't have to create a swap partition, and can monitor your system to determine how much swap is really needed. You can increase or decrease swap file size and use ('swappiness' askubuntu.com/questions/103915/how-do-i-configure-swappiness ) without going offline and rebooting.
  
  – K7AAY
  Aug 26 at 21:56
  
  
  

  
  
  
  

add a comment
 | 

Trying here to do an installation of Ubuntu 18.04 LTS, focusing on domestic surveillance with some ip cameras.

There will be about 12 cameras, which we are going to add in Zoneminder with images capture function.

With this in mind, what should be the Swap partition size?

And how may one enable this partition and start using it?

I already have an installation system with 5GB of Swap, but heard that it isn't enough.

linux ubuntu swap

share|improve this question

edited 48 mins ago

Vasconcelos1914

31122 silver badges1515 bronze badges

asked Aug 25 at 21:20

Forester77Forester77

9288 bronze badges

share|improve this question

edited 48 mins ago

Vasconcelos1914

31122 silver badges1515 bronze badges

asked Aug 25 at 21:20

Forester77Forester77

9288 bronze badges

share|improve this question

edited 48 mins ago

Vasconcelos1914

31122 silver badges1515 bronze badges

asked Aug 25 at 21:20

Forester77Forester77

9288 bronze badges

edited 48 mins ago

Vasconcelos1914

31122 silver badges1515 bronze badges

edited 48 mins ago

Vasconcelos1914

31122 silver badges1515 bronze badges

asked Aug 25 at 21:20

Forester77Forester77

9288 bronze badges

asked Aug 25 at 21:20

Forester77Forester77

9288 bronze badges

3 Answers
3

active

oldest

votes

2

Honestly, I wouldn't overengineer this situation. Of course, there're different scenarios and for each of them, you might want a different size of swap, but for normal needs you might have at home, you can stick to this recommendation by Red Hat: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/installation_guide/sect-disk-partitioning-setup-x86#sect-recommended-partitioning-scheme-x86 (table 8.3, you need to scroll a bit).

Having said that, start with finding out how much RAM you have.

Another discussion about the same topic from 2013 is on askubuntu: https://askubuntu.com/questions/49109/i-have-16gb-ram-do-i-need-32gb-swap You might want to read through it.

As for the second question. If you install the system, you don't really need to do anything else to start using it. The system (Ubuntu) will use your swap automatically whenever runs out of RAM.

share|improve this answer

edited Aug 26 at 21:52

K7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

answered Aug 25 at 21:38

puzzlepuzzle

7644 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That table dose not even describe a continues function.
  
  – ctrl-alt-delor
  Aug 25 at 22:00
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  My # swapon --show command output shows 0b in USED column, so that is right? Swap partition would only be used when RAM memory is depleted?
  
  – Forester77
  Aug 25 at 23:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, that's correct.
  
  – K7AAY
  Aug 26 at 21:50
  

  
  
  
  

add a comment
 | 

1

For a 1Tb HDD, I'd recommend the following partitioning:

/ <== primary partition, 10gb root partition with **boot flag**
/usr <== logical partition, 24gb read-only user data
/var <== logical partition, 26gb variable files
swap <== logical partition, 11gb used when psysical RAM memory is full
/tmp <== logical partition, 12gb temporary files
/home <== logical partition, 400gb home directories
the rest <== free space

It is similar to the I've been user for some time, and have had satisfatory results.

Notice the differents sizes, for quicker recognizing.

share|improve this answer

answered Aug 25 at 23:29

Vasconcelos1914Vasconcelos1914

31122 silver badges1515 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Aren't there any more partitions I could add?
  
  – Forester77
  Aug 25 at 23:34
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This is part of Linux File Hierarchy Structure. Those option for specific partitioning are provided during Ubuntu or Debian instalation process.
  
  – Vasconcelos1914
  Aug 25 at 23:39
  

  
  
  
  

add a comment
 | 

1

Firstly, I would suggest a lighter desktop than GNOME, as one of our PLUG members had problems with a 12 camera Zoneminder install last week. I'd try Ubuntu MATE*, Xubuntu, or Lubuntu (all 18.04.3 versions).

• He found success with Ubuntu MATE after failing with standard Ubuntu.

Let the default install set up a swap file, then monitor it (you know how) with swapon, and if swapping increases, consider using swapoff and swapon to increase the swap file space.

Also, I would suggest dialing down the amount of swapping to 10-15.

share|improve this answer

edited Aug 26 at 22:25

answered Aug 26 at 22:20

K7AAYK7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Isn't KDE lighter then those you suggested?
  
  – Forester77
  Aug 27 at 0:38
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  MATE works, and MATE is generally accepted as being lighter than KDE. Therefore, I cited the flavour which worked and the two others lighter than it was. Could have absolutely nothing to do with memory and CPU consumption, but I'm trying to make sure advice is useful.
  
  – K7AAY
  Aug 27 at 17:39
  

  
  
  
  

add a comment
 | 

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2

Honestly, I wouldn't overengineer this situation. Of course, there're different scenarios and for each of them, you might want a different size of swap, but for normal needs you might have at home, you can stick to this recommendation by Red Hat: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/installation_guide/sect-disk-partitioning-setup-x86#sect-recommended-partitioning-scheme-x86 (table 8.3, you need to scroll a bit).

Having said that, start with finding out how much RAM you have.

Another discussion about the same topic from 2013 is on askubuntu: https://askubuntu.com/questions/49109/i-have-16gb-ram-do-i-need-32gb-swap You might want to read through it.

As for the second question. If you install the system, you don't really need to do anything else to start using it. The system (Ubuntu) will use your swap automatically whenever runs out of RAM.

share|improve this answer

edited Aug 26 at 21:52

K7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

answered Aug 25 at 21:38

puzzlepuzzle

7644 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That table dose not even describe a continues function.
  
  – ctrl-alt-delor
  Aug 25 at 22:00
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  My # swapon --show command output shows 0b in USED column, so that is right? Swap partition would only be used when RAM memory is depleted?
  
  – Forester77
  Aug 25 at 23:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, that's correct.
  
  – K7AAY
  Aug 26 at 21:50
  

  
  
  
  

add a comment
 | 

2

Honestly, I wouldn't overengineer this situation. Of course, there're different scenarios and for each of them, you might want a different size of swap, but for normal needs you might have at home, you can stick to this recommendation by Red Hat: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/installation_guide/sect-disk-partitioning-setup-x86#sect-recommended-partitioning-scheme-x86 (table 8.3, you need to scroll a bit).

Having said that, start with finding out how much RAM you have.

Another discussion about the same topic from 2013 is on askubuntu: https://askubuntu.com/questions/49109/i-have-16gb-ram-do-i-need-32gb-swap You might want to read through it.

As for the second question. If you install the system, you don't really need to do anything else to start using it. The system (Ubuntu) will use your swap automatically whenever runs out of RAM.

share|improve this answer

edited Aug 26 at 21:52

K7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

answered Aug 25 at 21:38

puzzlepuzzle

7644 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That table dose not even describe a continues function.
  
  – ctrl-alt-delor
  Aug 25 at 22:00
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  My # swapon --show command output shows 0b in USED column, so that is right? Swap partition would only be used when RAM memory is depleted?
  
  – Forester77
  Aug 25 at 23:18
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, that's correct.
  
  – K7AAY
  Aug 26 at 21:50
  

  
  
  
  

add a comment
 | 

Honestly, I wouldn't overengineer this situation. Of course, there're different scenarios and for each of them, you might want a different size of swap, but for normal needs you might have at home, you can stick to this recommendation by Red Hat: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/installation_guide/sect-disk-partitioning-setup-x86#sect-recommended-partitioning-scheme-x86 (table 8.3, you need to scroll a bit).

Having said that, start with finding out how much RAM you have.

Another discussion about the same topic from 2013 is on askubuntu: https://askubuntu.com/questions/49109/i-have-16gb-ram-do-i-need-32gb-swap You might want to read through it.

As for the second question. If you install the system, you don't really need to do anything else to start using it. The system (Ubuntu) will use your swap automatically whenever runs out of RAM.

share|improve this answer

edited Aug 26 at 21:52

K7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

answered Aug 25 at 21:38

puzzlepuzzle

7644 bronze badges

share|improve this answer

edited Aug 26 at 21:52

K7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

answered Aug 25 at 21:38

puzzlepuzzle

7644 bronze badges

edited Aug 26 at 21:52

K7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

edited Aug 26 at 21:52

K7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

answered Aug 25 at 21:38

puzzlepuzzle

7644 bronze badges

answered Aug 25 at 21:38

puzzlepuzzle

7644 bronze badges

1

For a 1Tb HDD, I'd recommend the following partitioning:

/ <== primary partition, 10gb root partition with **boot flag**
/usr <== logical partition, 24gb read-only user data
/var <== logical partition, 26gb variable files
swap <== logical partition, 11gb used when psysical RAM memory is full
/tmp <== logical partition, 12gb temporary files
/home <== logical partition, 400gb home directories
the rest <== free space

It is similar to the I've been user for some time, and have had satisfatory results.

Notice the differents sizes, for quicker recognizing.

share|improve this answer

answered Aug 25 at 23:29

Vasconcelos1914Vasconcelos1914

31122 silver badges1515 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Aren't there any more partitions I could add?
  
  – Forester77
  Aug 25 at 23:34
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This is part of Linux File Hierarchy Structure. Those option for specific partitioning are provided during Ubuntu or Debian instalation process.
  
  – Vasconcelos1914
  Aug 25 at 23:39
  

  
  
  
  

add a comment
 | 

1

For a 1Tb HDD, I'd recommend the following partitioning:

/ <== primary partition, 10gb root partition with **boot flag**
/usr <== logical partition, 24gb read-only user data
/var <== logical partition, 26gb variable files
swap <== logical partition, 11gb used when psysical RAM memory is full
/tmp <== logical partition, 12gb temporary files
/home <== logical partition, 400gb home directories
the rest <== free space

It is similar to the I've been user for some time, and have had satisfatory results.

Notice the differents sizes, for quicker recognizing.

share|improve this answer

answered Aug 25 at 23:29

Vasconcelos1914Vasconcelos1914

31122 silver badges1515 bronze badges

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Aren't there any more partitions I could add?
  
  – Forester77
  Aug 25 at 23:34
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This is part of Linux File Hierarchy Structure. Those option for specific partitioning are provided during Ubuntu or Debian instalation process.
  
  – Vasconcelos1914
  Aug 25 at 23:39
  

  
  
  
  

add a comment
 | 

For a 1Tb HDD, I'd recommend the following partitioning:

/ <== primary partition, 10gb root partition with **boot flag**
/usr <== logical partition, 24gb read-only user data
/var <== logical partition, 26gb variable files
swap <== logical partition, 11gb used when psysical RAM memory is full
/tmp <== logical partition, 12gb temporary files
/home <== logical partition, 400gb home directories
the rest <== free space

It is similar to the I've been user for some time, and have had satisfatory results.

Notice the differents sizes, for quicker recognizing.

share|improve this answer

answered Aug 25 at 23:29

Vasconcelos1914Vasconcelos1914

31122 silver badges1515 bronze badges

share|improve this answer

answered Aug 25 at 23:29

Vasconcelos1914Vasconcelos1914

31122 silver badges1515 bronze badges

answered Aug 25 at 23:29

Vasconcelos1914Vasconcelos1914

31122 silver badges1515 bronze badges

answered Aug 25 at 23:29

Vasconcelos1914Vasconcelos1914

31122 silver badges1515 bronze badges

1

Firstly, I would suggest a lighter desktop than GNOME, as one of our PLUG members had problems with a 12 camera Zoneminder install last week. I'd try Ubuntu MATE*, Xubuntu, or Lubuntu (all 18.04.3 versions).

• He found success with Ubuntu MATE after failing with standard Ubuntu.

Let the default install set up a swap file, then monitor it (you know how) with swapon, and if swapping increases, consider using swapoff and swapon to increase the swap file space.

Also, I would suggest dialing down the amount of swapping to 10-15.

share|improve this answer

edited Aug 26 at 22:25

answered Aug 26 at 22:20

K7AAYK7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Isn't KDE lighter then those you suggested?
  
  – Forester77
  Aug 27 at 0:38
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  MATE works, and MATE is generally accepted as being lighter than KDE. Therefore, I cited the flavour which worked and the two others lighter than it was. Could have absolutely nothing to do with memory and CPU consumption, but I'm trying to make sure advice is useful.
  
  – K7AAY
  Aug 27 at 17:39
  

  
  
  
  

add a comment
 | 

1

Firstly, I would suggest a lighter desktop than GNOME, as one of our PLUG members had problems with a 12 camera Zoneminder install last week. I'd try Ubuntu MATE*, Xubuntu, or Lubuntu (all 18.04.3 versions).

• He found success with Ubuntu MATE after failing with standard Ubuntu.

Let the default install set up a swap file, then monitor it (you know how) with swapon, and if swapping increases, consider using swapoff and swapon to increase the swap file space.

Also, I would suggest dialing down the amount of swapping to 10-15.

share|improve this answer

edited Aug 26 at 22:25

answered Aug 26 at 22:20

K7AAYK7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Isn't KDE lighter then those you suggested?
  
  – Forester77
  Aug 27 at 0:38
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  MATE works, and MATE is generally accepted as being lighter than KDE. Therefore, I cited the flavour which worked and the two others lighter than it was. Could have absolutely nothing to do with memory and CPU consumption, but I'm trying to make sure advice is useful.
  
  – K7AAY
  Aug 27 at 17:39
  

  
  
  
  

add a comment
 | 

Firstly, I would suggest a lighter desktop than GNOME, as one of our PLUG members had problems with a 12 camera Zoneminder install last week. I'd try Ubuntu MATE*, Xubuntu, or Lubuntu (all 18.04.3 versions).

• He found success with Ubuntu MATE after failing with standard Ubuntu.

Let the default install set up a swap file, then monitor it (you know how) with swapon, and if swapping increases, consider using swapoff and swapon to increase the swap file space.

Also, I would suggest dialing down the amount of swapping to 10-15.

share|improve this answer

edited Aug 26 at 22:25

answered Aug 26 at 22:20

K7AAYK7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

share|improve this answer

edited Aug 26 at 22:25

answered Aug 26 at 22:20

K7AAYK7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

answered Aug 26 at 22:20

K7AAYK7AAY

2,58611 gold badge1111 silver badges2929 bronze badges

answered Aug 26 at 22:20

K7AAYK7AAY

2,58611 gold badge1111 silver badges2929 bronze badges