old kernels cannot be removed in Synaptic?

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I'm running MATE 16.04 on an ASUS X550LA, when I run:



$ ls /boot | grep vmlinuz | cut -d'-' -f2,3
4.13.0-38
4.13.0-38
4.13.0-39
4.13.0-39


(I have ran sudo apt-get autoremove before)
Yet when I run Synaptic package manager with "linux-image-4*" in the search I see a large amounts of what I believe to be old kernels.
enter image description here



This is only a part of the read out, and almost all except the current kernel show a white square, and properties of any selected show "not installed". If I select any of these and right click I am offered "Mark for installation" or "Properties"



What are these? Can they be safely removed? How do I remove them?










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  • 2




    The white square indicates that it is not installed but available to install if you wish. Further down, you may see green squares. That indicates packages that are installed.
    – chili555
    Apr 13 at 1:35






  • 2




    @chili555 is right. If they were installed at one time, you have already removed them. The list you are looking at is NOT a list of what-is-installed. It is a list of what-is-available in the Ubuntu repositories.
    – user535733
    Apr 13 at 1:51










  • I appreciate the answers, I feel I understand the significance of the "white/green" indicators. Thank you both.
    – hal_v
    Apr 15 at 5:40














up vote
0
down vote

favorite












I'm running MATE 16.04 on an ASUS X550LA, when I run:



$ ls /boot | grep vmlinuz | cut -d'-' -f2,3
4.13.0-38
4.13.0-38
4.13.0-39
4.13.0-39


(I have ran sudo apt-get autoremove before)
Yet when I run Synaptic package manager with "linux-image-4*" in the search I see a large amounts of what I believe to be old kernels.
enter image description here



This is only a part of the read out, and almost all except the current kernel show a white square, and properties of any selected show "not installed". If I select any of these and right click I am offered "Mark for installation" or "Properties"



What are these? Can they be safely removed? How do I remove them?










share|improve this question



















  • 2




    The white square indicates that it is not installed but available to install if you wish. Further down, you may see green squares. That indicates packages that are installed.
    – chili555
    Apr 13 at 1:35






  • 2




    @chili555 is right. If they were installed at one time, you have already removed them. The list you are looking at is NOT a list of what-is-installed. It is a list of what-is-available in the Ubuntu repositories.
    – user535733
    Apr 13 at 1:51










  • I appreciate the answers, I feel I understand the significance of the "white/green" indicators. Thank you both.
    – hal_v
    Apr 15 at 5:40












up vote
0
down vote

favorite









up vote
0
down vote

favorite











I'm running MATE 16.04 on an ASUS X550LA, when I run:



$ ls /boot | grep vmlinuz | cut -d'-' -f2,3
4.13.0-38
4.13.0-38
4.13.0-39
4.13.0-39


(I have ran sudo apt-get autoremove before)
Yet when I run Synaptic package manager with "linux-image-4*" in the search I see a large amounts of what I believe to be old kernels.
enter image description here



This is only a part of the read out, and almost all except the current kernel show a white square, and properties of any selected show "not installed". If I select any of these and right click I am offered "Mark for installation" or "Properties"



What are these? Can they be safely removed? How do I remove them?










share|improve this question















I'm running MATE 16.04 on an ASUS X550LA, when I run:



$ ls /boot | grep vmlinuz | cut -d'-' -f2,3
4.13.0-38
4.13.0-38
4.13.0-39
4.13.0-39


(I have ran sudo apt-get autoremove before)
Yet when I run Synaptic package manager with "linux-image-4*" in the search I see a large amounts of what I believe to be old kernels.
enter image description here



This is only a part of the read out, and almost all except the current kernel show a white square, and properties of any selected show "not installed". If I select any of these and right click I am offered "Mark for installation" or "Properties"



What are these? Can they be safely removed? How do I remove them?







kernel






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share|improve this question













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edited Apr 13 at 2:44









ubashu

2,23721736




2,23721736










asked Apr 13 at 1:04









hal_v

7813




7813







  • 2




    The white square indicates that it is not installed but available to install if you wish. Further down, you may see green squares. That indicates packages that are installed.
    – chili555
    Apr 13 at 1:35






  • 2




    @chili555 is right. If they were installed at one time, you have already removed them. The list you are looking at is NOT a list of what-is-installed. It is a list of what-is-available in the Ubuntu repositories.
    – user535733
    Apr 13 at 1:51










  • I appreciate the answers, I feel I understand the significance of the "white/green" indicators. Thank you both.
    – hal_v
    Apr 15 at 5:40












  • 2




    The white square indicates that it is not installed but available to install if you wish. Further down, you may see green squares. That indicates packages that are installed.
    – chili555
    Apr 13 at 1:35






  • 2




    @chili555 is right. If they were installed at one time, you have already removed them. The list you are looking at is NOT a list of what-is-installed. It is a list of what-is-available in the Ubuntu repositories.
    – user535733
    Apr 13 at 1:51










  • I appreciate the answers, I feel I understand the significance of the "white/green" indicators. Thank you both.
    – hal_v
    Apr 15 at 5:40







2




2




The white square indicates that it is not installed but available to install if you wish. Further down, you may see green squares. That indicates packages that are installed.
– chili555
Apr 13 at 1:35




The white square indicates that it is not installed but available to install if you wish. Further down, you may see green squares. That indicates packages that are installed.
– chili555
Apr 13 at 1:35




2




2




@chili555 is right. If they were installed at one time, you have already removed them. The list you are looking at is NOT a list of what-is-installed. It is a list of what-is-available in the Ubuntu repositories.
– user535733
Apr 13 at 1:51




@chili555 is right. If they were installed at one time, you have already removed them. The list you are looking at is NOT a list of what-is-installed. It is a list of what-is-available in the Ubuntu repositories.
– user535733
Apr 13 at 1:51












I appreciate the answers, I feel I understand the significance of the "white/green" indicators. Thank you both.
– hal_v
Apr 15 at 5:40




I appreciate the answers, I feel I understand the significance of the "white/green" indicators. Thank you both.
– hal_v
Apr 15 at 5:40















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