Separating OS and user data to different disks [duplicate]

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  • What are the pros and cons of having a separate home partition?

    3 answers



I would like to move all my user files, programs, everything that is not the OS.



I'd like to keep Ubuntu on an SSD and put everything I've done on a separate 1TB drive. This includes everything in $HOME, but I'd like to also move /usr to move all my user-installed software.



My thinking is to keep the 180GB SSD as pristine as possible with only the OS in case I need to re-install Ubuntu at any time.



First question: Is this a bad idea?



Second question: Can I follow the same instructions which I used to move my /home to a different disk? As in this post: Move home folder to second drive, or the wiki page about moving /home






partitioning mount filesystem home-directory installed-programs







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marked as duplicate by pomsky, karel, Eric Carvalho, waltinator, Zanna Mar 23 at 19:25


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.














  • I keep everything in / except my data. That is because I have multiple installs and want data in all of them, but not configurations from /home.My 16.04 is my main working install currently. I just converted my 14.04 partition to 18.04, but probably will reinstall once released. LInking data folders into /home: askubuntu.com/questions/1013677/…
    – oldfred
    Mar 21 at 3:33















up vote
0
down vote

favorite













This question already has an answer here:



  • What are the pros and cons of having a separate home partition?

    3 answers



I would like to move all my user files, programs, everything that is not the OS.



I'd like to keep Ubuntu on an SSD and put everything I've done on a separate 1TB drive. This includes everything in $HOME, but I'd like to also move /usr to move all my user-installed software.



My thinking is to keep the 180GB SSD as pristine as possible with only the OS in case I need to re-install Ubuntu at any time.



First question: Is this a bad idea?



Second question: Can I follow the same instructions which I used to move my /home to a different disk? As in this post: Move home folder to second drive, or the wiki page about moving /home






partitioning mount filesystem home-directory installed-programs







share|improve this question















marked as duplicate by pomsky, karel, Eric Carvalho, waltinator, Zanna Mar 23 at 19:25


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.














  • I keep everything in / except my data. That is because I have multiple installs and want data in all of them, but not configurations from /home.My 16.04 is my main working install currently. I just converted my 14.04 partition to 18.04, but probably will reinstall once released. LInking data folders into /home: askubuntu.com/questions/1013677/…
    – oldfred
    Mar 21 at 3:33













up vote
0
down vote

favorite









up vote
0
down vote

favorite












This question already has an answer here:



  • What are the pros and cons of having a separate home partition?

    3 answers



I would like to move all my user files, programs, everything that is not the OS.



I'd like to keep Ubuntu on an SSD and put everything I've done on a separate 1TB drive. This includes everything in $HOME, but I'd like to also move /usr to move all my user-installed software.



My thinking is to keep the 180GB SSD as pristine as possible with only the OS in case I need to re-install Ubuntu at any time.



First question: Is this a bad idea?



Second question: Can I follow the same instructions which I used to move my /home to a different disk? As in this post: Move home folder to second drive, or the wiki page about moving /home






partitioning mount filesystem home-directory installed-programs







share|improve this question
















This question already has an answer here:



  • What are the pros and cons of having a separate home partition?

    3 answers



I would like to move all my user files, programs, everything that is not the OS.



I'd like to keep Ubuntu on an SSD and put everything I've done on a separate 1TB drive. This includes everything in $HOME, but I'd like to also move /usr to move all my user-installed software.



My thinking is to keep the 180GB SSD as pristine as possible with only the OS in case I need to re-install Ubuntu at any time.



First question: Is this a bad idea?



Second question: Can I follow the same instructions which I used to move my /home to a different disk? As in this post: Move home folder to second drive, or the wiki page about moving /home





This question already has an answer here:



  • What are the pros and cons of having a separate home partition?

    3 answers






partitioning mount filesystem home-directory installed-programs




partitioning mount filesystem home-directory installed-programs






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Mar 21 at 4:34









wjandrea

7,19342255




7,19342255










asked Mar 21 at 2:27









Joe Molnar

114




114




marked as duplicate by pomsky, karel, Eric Carvalho, waltinator, Zanna Mar 23 at 19:25


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.






marked as duplicate by pomsky, karel, Eric Carvalho, waltinator, Zanna Mar 23 at 19:25


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.













  • I keep everything in / except my data. That is because I have multiple installs and want data in all of them, but not configurations from /home.My 16.04 is my main working install currently. I just converted my 14.04 partition to 18.04, but probably will reinstall once released. LInking data folders into /home: askubuntu.com/questions/1013677/…
    – oldfred
    Mar 21 at 3:33

















  • I keep everything in / except my data. That is because I have multiple installs and want data in all of them, but not configurations from /home.My 16.04 is my main working install currently. I just converted my 14.04 partition to 18.04, but probably will reinstall once released. LInking data folders into /home: askubuntu.com/questions/1013677/…
    – oldfred
    Mar 21 at 3:33
















I keep everything in / except my data. That is because I have multiple installs and want data in all of them, but not configurations from /home.My 16.04 is my main working install currently. I just converted my 14.04 partition to 18.04, but probably will reinstall once released. LInking data folders into /home: askubuntu.com/questions/1013677/…
– oldfred
Mar 21 at 3:33





I keep everything in / except my data. That is because I have multiple installs and want data in all of them, but not configurations from /home.My 16.04 is my main working install currently. I just converted my 14.04 partition to 18.04, but probably will reinstall once released. LInking data folders into /home: askubuntu.com/questions/1013677/…
– oldfred
Mar 21 at 3:33











1 Answer
1






active

oldest

votes

















up vote
0
down vote














First question: is this a bad idea?




The goal is good, and the plan is mostly good...



Moving /home to a different partition is an excellent (in fact, recommended) idea for the very "I need to re-install Ubuntu at any time" reason. I can think why Ubuntu insists on putting /home in the / partition, but it might offend delicate sensibilities.




but I'd like to also move /usr also to move all my user installed software.




Locally installed s/w lives in /usr/local and /opt. Everything else in /usr is (should be) controlled by Ubuntu.



Thus, I'd create a:




  • small partition on the 1TB drive to mount /usr/local,

  • another small partition for /opt, and

  • a "rest of the disk" partition for /home.





share|improve this answer


















  • 1




    Please clarify "Dumb Down Syndrome", and please be aware that implying "Down syndrome" is offensive.
    – wjandrea
    Mar 21 at 4:45











  • @wjandrea sigh...
    – RonJohn
    Mar 21 at 4:56






  • 1




    I'm not trying to shut you down, just saying you should be more considerate. This is supposed to be a friendly site, and implying that people have mental handicaps doesn't help that. I'm also not sure what you meant in the first place. To me it seems less like dumbing-down and more like simplifying (c.f. swap file becoming the default instead of swap partition), but I'm open to your take on it.
    – wjandrea
    Mar 21 at 5:08











  • Couldn't this approach confuse the package manager in case of reinstalling Ubuntu? AFAIK the status of packages (e.g. installed) is not stored in /usr/local, but somewhere in /var (or was it /etc?), so the package manager won't update installed software because it doesn't know it is installed.
    – danzel
    Mar 21 at 9:01











  • @danzel no, because programs installed in /usr/local and /opt are explicitly outside of package manager control, and package managers know that.
    – RonJohn
    Mar 21 at 15:03

















1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
0
down vote














First question: is this a bad idea?




The goal is good, and the plan is mostly good...



Moving /home to a different partition is an excellent (in fact, recommended) idea for the very "I need to re-install Ubuntu at any time" reason. I can think why Ubuntu insists on putting /home in the / partition, but it might offend delicate sensibilities.




but I'd like to also move /usr also to move all my user installed software.




Locally installed s/w lives in /usr/local and /opt. Everything else in /usr is (should be) controlled by Ubuntu.



Thus, I'd create a:




  • small partition on the 1TB drive to mount /usr/local,

  • another small partition for /opt, and

  • a "rest of the disk" partition for /home.





share|improve this answer


















  • 1




    Please clarify "Dumb Down Syndrome", and please be aware that implying "Down syndrome" is offensive.
    – wjandrea
    Mar 21 at 4:45











  • @wjandrea sigh...
    – RonJohn
    Mar 21 at 4:56






  • 1




    I'm not trying to shut you down, just saying you should be more considerate. This is supposed to be a friendly site, and implying that people have mental handicaps doesn't help that. I'm also not sure what you meant in the first place. To me it seems less like dumbing-down and more like simplifying (c.f. swap file becoming the default instead of swap partition), but I'm open to your take on it.
    – wjandrea
    Mar 21 at 5:08











  • Couldn't this approach confuse the package manager in case of reinstalling Ubuntu? AFAIK the status of packages (e.g. installed) is not stored in /usr/local, but somewhere in /var (or was it /etc?), so the package manager won't update installed software because it doesn't know it is installed.
    – danzel
    Mar 21 at 9:01











  • @danzel no, because programs installed in /usr/local and /opt are explicitly outside of package manager control, and package managers know that.
    – RonJohn
    Mar 21 at 15:03














up vote
0
down vote














First question: is this a bad idea?




The goal is good, and the plan is mostly good...



Moving /home to a different partition is an excellent (in fact, recommended) idea for the very "I need to re-install Ubuntu at any time" reason. I can think why Ubuntu insists on putting /home in the / partition, but it might offend delicate sensibilities.




but I'd like to also move /usr also to move all my user installed software.




Locally installed s/w lives in /usr/local and /opt. Everything else in /usr is (should be) controlled by Ubuntu.



Thus, I'd create a:




  • small partition on the 1TB drive to mount /usr/local,

  • another small partition for /opt, and

  • a "rest of the disk" partition for /home.





share|improve this answer


















  • 1




    Please clarify "Dumb Down Syndrome", and please be aware that implying "Down syndrome" is offensive.
    – wjandrea
    Mar 21 at 4:45











  • @wjandrea sigh...
    – RonJohn
    Mar 21 at 4:56






  • 1




    I'm not trying to shut you down, just saying you should be more considerate. This is supposed to be a friendly site, and implying that people have mental handicaps doesn't help that. I'm also not sure what you meant in the first place. To me it seems less like dumbing-down and more like simplifying (c.f. swap file becoming the default instead of swap partition), but I'm open to your take on it.
    – wjandrea
    Mar 21 at 5:08











  • Couldn't this approach confuse the package manager in case of reinstalling Ubuntu? AFAIK the status of packages (e.g. installed) is not stored in /usr/local, but somewhere in /var (or was it /etc?), so the package manager won't update installed software because it doesn't know it is installed.
    – danzel
    Mar 21 at 9:01











  • @danzel no, because programs installed in /usr/local and /opt are explicitly outside of package manager control, and package managers know that.
    – RonJohn
    Mar 21 at 15:03












up vote
0
down vote










up vote
0
down vote










First question: is this a bad idea?




The goal is good, and the plan is mostly good...



Moving /home to a different partition is an excellent (in fact, recommended) idea for the very "I need to re-install Ubuntu at any time" reason. I can think why Ubuntu insists on putting /home in the / partition, but it might offend delicate sensibilities.




but I'd like to also move /usr also to move all my user installed software.




Locally installed s/w lives in /usr/local and /opt. Everything else in /usr is (should be) controlled by Ubuntu.



Thus, I'd create a:




  • small partition on the 1TB drive to mount /usr/local,

  • another small partition for /opt, and

  • a "rest of the disk" partition for /home.





share|improve this answer















First question: is this a bad idea?




The goal is good, and the plan is mostly good...



Moving /home to a different partition is an excellent (in fact, recommended) idea for the very "I need to re-install Ubuntu at any time" reason. I can think why Ubuntu insists on putting /home in the / partition, but it might offend delicate sensibilities.




but I'd like to also move /usr also to move all my user installed software.




Locally installed s/w lives in /usr/local and /opt. Everything else in /usr is (should be) controlled by Ubuntu.



Thus, I'd create a:




  • small partition on the 1TB drive to mount /usr/local,

  • another small partition for /opt, and

  • a "rest of the disk" partition for /home.






share|improve this answer














share|improve this answer



share|improve this answer








edited Mar 21 at 5:00

























answered Mar 21 at 2:38









RonJohn

375110




375110







  • 1




    Please clarify "Dumb Down Syndrome", and please be aware that implying "Down syndrome" is offensive.
    – wjandrea
    Mar 21 at 4:45











  • @wjandrea sigh...
    – RonJohn
    Mar 21 at 4:56






  • 1




    I'm not trying to shut you down, just saying you should be more considerate. This is supposed to be a friendly site, and implying that people have mental handicaps doesn't help that. I'm also not sure what you meant in the first place. To me it seems less like dumbing-down and more like simplifying (c.f. swap file becoming the default instead of swap partition), but I'm open to your take on it.
    – wjandrea
    Mar 21 at 5:08











  • Couldn't this approach confuse the package manager in case of reinstalling Ubuntu? AFAIK the status of packages (e.g. installed) is not stored in /usr/local, but somewhere in /var (or was it /etc?), so the package manager won't update installed software because it doesn't know it is installed.
    – danzel
    Mar 21 at 9:01











  • @danzel no, because programs installed in /usr/local and /opt are explicitly outside of package manager control, and package managers know that.
    – RonJohn
    Mar 21 at 15:03












  • 1




    Please clarify "Dumb Down Syndrome", and please be aware that implying "Down syndrome" is offensive.
    – wjandrea
    Mar 21 at 4:45











  • @wjandrea sigh...
    – RonJohn
    Mar 21 at 4:56






  • 1




    I'm not trying to shut you down, just saying you should be more considerate. This is supposed to be a friendly site, and implying that people have mental handicaps doesn't help that. I'm also not sure what you meant in the first place. To me it seems less like dumbing-down and more like simplifying (c.f. swap file becoming the default instead of swap partition), but I'm open to your take on it.
    – wjandrea
    Mar 21 at 5:08











  • Couldn't this approach confuse the package manager in case of reinstalling Ubuntu? AFAIK the status of packages (e.g. installed) is not stored in /usr/local, but somewhere in /var (or was it /etc?), so the package manager won't update installed software because it doesn't know it is installed.
    – danzel
    Mar 21 at 9:01











  • @danzel no, because programs installed in /usr/local and /opt are explicitly outside of package manager control, and package managers know that.
    – RonJohn
    Mar 21 at 15:03







1




1




Please clarify "Dumb Down Syndrome", and please be aware that implying "Down syndrome" is offensive.
– wjandrea
Mar 21 at 4:45





Please clarify "Dumb Down Syndrome", and please be aware that implying "Down syndrome" is offensive.
– wjandrea
Mar 21 at 4:45













@wjandrea sigh...
– RonJohn
Mar 21 at 4:56




@wjandrea sigh...
– RonJohn
Mar 21 at 4:56




1




1




I'm not trying to shut you down, just saying you should be more considerate. This is supposed to be a friendly site, and implying that people have mental handicaps doesn't help that. I'm also not sure what you meant in the first place. To me it seems less like dumbing-down and more like simplifying (c.f. swap file becoming the default instead of swap partition), but I'm open to your take on it.
– wjandrea
Mar 21 at 5:08





I'm not trying to shut you down, just saying you should be more considerate. This is supposed to be a friendly site, and implying that people have mental handicaps doesn't help that. I'm also not sure what you meant in the first place. To me it seems less like dumbing-down and more like simplifying (c.f. swap file becoming the default instead of swap partition), but I'm open to your take on it.
– wjandrea
Mar 21 at 5:08













Couldn't this approach confuse the package manager in case of reinstalling Ubuntu? AFAIK the status of packages (e.g. installed) is not stored in /usr/local, but somewhere in /var (or was it /etc?), so the package manager won't update installed software because it doesn't know it is installed.
– danzel
Mar 21 at 9:01





Couldn't this approach confuse the package manager in case of reinstalling Ubuntu? AFAIK the status of packages (e.g. installed) is not stored in /usr/local, but somewhere in /var (or was it /etc?), so the package manager won't update installed software because it doesn't know it is installed.
– danzel
Mar 21 at 9:01













@danzel no, because programs installed in /usr/local and /opt are explicitly outside of package manager control, and package managers know that.
– RonJohn
Mar 21 at 15:03




@danzel no, because programs installed in /usr/local and /opt are explicitly outside of package manager control, and package managers know that.
– RonJohn
Mar 21 at 15:03


-

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