Safety of removing older images of Ubuntu 14.04

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I try to remove older versions (or maybe rather images) of Ubuntu 14.04. I swiftly went through:



How do I remove old kernel versions to clean up the boot menu?



I have uname -r 4.4.0-119-generic version. Is it safe to remove let say:
all 3.XX.Y images? And those linux-signed-image-xxx, are they pretty much the same as "non-signed ones" and can be also removed?



(edit:
after a while I noticed, that "Mark for complete removal" of linux-image-number in Synaptic Package Manager also marks linux-image-extra-number and linux-signed-image-number. So it "comes together" somehow.)



I tried to remove:



linux-image-extra-3.16.0-70-generic



is it normal that it takes 5-10 minutes to remove via Synaptic Package Manager?










share|improve this question



















  • 1




    Yes and yes. I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space. And it does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.
    – sudodus
    Apr 10 at 5:55










  • @sudodus, thank you. Little offtopic question: why did you not give it as answer and used comment? I like green "mark off" button? :-)
    – weatherman
    Apr 10 at 7:21










  • I can give you an answer :-)
    – sudodus
    Apr 10 at 10:09






  • 1




    Saving space can be especially useful on older machines or newer SSDs. I am quite surprised that one image is about 200 MB and I have a lot of them. And I confirm, it have taken hours, now and it is not done yet.
    – weatherman
    Apr 10 at 10:29














up vote
2
down vote

favorite












I try to remove older versions (or maybe rather images) of Ubuntu 14.04. I swiftly went through:



How do I remove old kernel versions to clean up the boot menu?



I have uname -r 4.4.0-119-generic version. Is it safe to remove let say:
all 3.XX.Y images? And those linux-signed-image-xxx, are they pretty much the same as "non-signed ones" and can be also removed?



(edit:
after a while I noticed, that "Mark for complete removal" of linux-image-number in Synaptic Package Manager also marks linux-image-extra-number and linux-signed-image-number. So it "comes together" somehow.)



I tried to remove:



linux-image-extra-3.16.0-70-generic



is it normal that it takes 5-10 minutes to remove via Synaptic Package Manager?










share|improve this question



















  • 1




    Yes and yes. I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space. And it does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.
    – sudodus
    Apr 10 at 5:55










  • @sudodus, thank you. Little offtopic question: why did you not give it as answer and used comment? I like green "mark off" button? :-)
    – weatherman
    Apr 10 at 7:21










  • I can give you an answer :-)
    – sudodus
    Apr 10 at 10:09






  • 1




    Saving space can be especially useful on older machines or newer SSDs. I am quite surprised that one image is about 200 MB and I have a lot of them. And I confirm, it have taken hours, now and it is not done yet.
    – weatherman
    Apr 10 at 10:29












up vote
2
down vote

favorite









up vote
2
down vote

favorite











I try to remove older versions (or maybe rather images) of Ubuntu 14.04. I swiftly went through:



How do I remove old kernel versions to clean up the boot menu?



I have uname -r 4.4.0-119-generic version. Is it safe to remove let say:
all 3.XX.Y images? And those linux-signed-image-xxx, are they pretty much the same as "non-signed ones" and can be also removed?



(edit:
after a while I noticed, that "Mark for complete removal" of linux-image-number in Synaptic Package Manager also marks linux-image-extra-number and linux-signed-image-number. So it "comes together" somehow.)



I tried to remove:



linux-image-extra-3.16.0-70-generic



is it normal that it takes 5-10 minutes to remove via Synaptic Package Manager?










share|improve this question















I try to remove older versions (or maybe rather images) of Ubuntu 14.04. I swiftly went through:



How do I remove old kernel versions to clean up the boot menu?



I have uname -r 4.4.0-119-generic version. Is it safe to remove let say:
all 3.XX.Y images? And those linux-signed-image-xxx, are they pretty much the same as "non-signed ones" and can be also removed?



(edit:
after a while I noticed, that "Mark for complete removal" of linux-image-number in Synaptic Package Manager also marks linux-image-extra-number and linux-signed-image-number. So it "comes together" somehow.)



I tried to remove:



linux-image-extra-3.16.0-70-generic



is it normal that it takes 5-10 minutes to remove via Synaptic Package Manager?







14.04 kernel images






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Apr 10 at 7:27

























asked Apr 10 at 0:28









weatherman

439




439







  • 1




    Yes and yes. I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space. And it does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.
    – sudodus
    Apr 10 at 5:55










  • @sudodus, thank you. Little offtopic question: why did you not give it as answer and used comment? I like green "mark off" button? :-)
    – weatherman
    Apr 10 at 7:21










  • I can give you an answer :-)
    – sudodus
    Apr 10 at 10:09






  • 1




    Saving space can be especially useful on older machines or newer SSDs. I am quite surprised that one image is about 200 MB and I have a lot of them. And I confirm, it have taken hours, now and it is not done yet.
    – weatherman
    Apr 10 at 10:29












  • 1




    Yes and yes. I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space. And it does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.
    – sudodus
    Apr 10 at 5:55










  • @sudodus, thank you. Little offtopic question: why did you not give it as answer and used comment? I like green "mark off" button? :-)
    – weatherman
    Apr 10 at 7:21










  • I can give you an answer :-)
    – sudodus
    Apr 10 at 10:09






  • 1




    Saving space can be especially useful on older machines or newer SSDs. I am quite surprised that one image is about 200 MB and I have a lot of them. And I confirm, it have taken hours, now and it is not done yet.
    – weatherman
    Apr 10 at 10:29







1




1




Yes and yes. I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space. And it does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.
– sudodus
Apr 10 at 5:55




Yes and yes. I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space. And it does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.
– sudodus
Apr 10 at 5:55












@sudodus, thank you. Little offtopic question: why did you not give it as answer and used comment? I like green "mark off" button? :-)
– weatherman
Apr 10 at 7:21




@sudodus, thank you. Little offtopic question: why did you not give it as answer and used comment? I like green "mark off" button? :-)
– weatherman
Apr 10 at 7:21












I can give you an answer :-)
– sudodus
Apr 10 at 10:09




I can give you an answer :-)
– sudodus
Apr 10 at 10:09




1




1




Saving space can be especially useful on older machines or newer SSDs. I am quite surprised that one image is about 200 MB and I have a lot of them. And I confirm, it have taken hours, now and it is not done yet.
– weatherman
Apr 10 at 10:29




Saving space can be especially useful on older machines or newer SSDs. I am quite surprised that one image is about 200 MB and I have a lot of them. And I confirm, it have taken hours, now and it is not done yet.
– weatherman
Apr 10 at 10:29










1 Answer
1






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down vote



accepted










It is safe to remove old linux kernels



I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space.



Removing kernels is a slow process



It does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.



It works well to remove kernels with the Synaptic Package Manager.






share|improve this answer




















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    1 Answer
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    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    1
    down vote



    accepted










    It is safe to remove old linux kernels



    I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space.



    Removing kernels is a slow process



    It does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.



    It works well to remove kernels with the Synaptic Package Manager.






    share|improve this answer
























      up vote
      1
      down vote



      accepted










      It is safe to remove old linux kernels



      I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space.



      Removing kernels is a slow process



      It does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.



      It works well to remove kernels with the Synaptic Package Manager.






      share|improve this answer






















        up vote
        1
        down vote



        accepted







        up vote
        1
        down vote



        accepted






        It is safe to remove old linux kernels



        I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space.



        Removing kernels is a slow process



        It does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.



        It works well to remove kernels with the Synaptic Package Manager.






        share|improve this answer












        It is safe to remove old linux kernels



        I keep only the two most recent (and working) kernels. It is good to keep not only the latest kernel (you might get problems with the newest one), but the older kernels can and should be removed. They are only occupying drive space.



        Removing kernels is a slow process



        It does take a lot of time to remove kernels and set up the system to be aware of the remaining kernels.



        It works well to remove kernels with the Synaptic Package Manager.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Apr 10 at 10:17









        sudodus

        20.2k32667




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