root@aspire:/# apt-get install  linux-image
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package linux-image is a virtual package provided by:
  linux-image-3.19.0-58-lowlatency 3.19.0-58.64
  linux-image-3.19.0-58-generic 3.19.0-58.64
  linux-image-3.19.0-56-lowlatency 3.19.0-56.62
  linux-image-3.19.0-56-generic 3.19.0-56.62
  linux-image-3.19.0-51-lowlatency 3.19.0-51.58
  linux-image-3.19.0-51-generic 3.19.0-51.58
  linux-image-3.19.0-49-lowlatency 3.19.0-49.55
  linux-image-3.19.0-49-generic 3.19.0-49.55
  linux-image-3.19.0-47-lowlatency 3.19.0-47.53
  linux-image-3.19.0-47-generic 3.19.0-47.53
  linux-image-3.19.0-43-lowlatency 3.19.0-43.49
  linux-image-3.19.0-43-generic 3.19.0-43.49
  linux-image-3.19.0-42-lowlatency 3.19.0-42.48
  linux-image-3.19.0-42-generic 3.19.0-42.48
  linux-image-3.19.0-41-lowlatency 3.19.0-41.46
  linux-image-3.19.0-41-generic 3.19.0-41.46
  linux-image-3.19.0-39-lowlatency 3.19.0-39.44
  linux-image-3.19.0-39-generic 3.19.0-39.44
  linux-image-3.19.0-37-lowlatency 3.19.0-37.42
  linux-image-3.19.0-37-generic 3.19.0-37.42
  linux-image-3.19.0-33-lowlatency 3.19.0-33.38
  linux-image-3.19.0-33-generic 3.19.0-33.38
  linux-image-3.19.0-32-lowlatency 3.19.0-32.37
  linux-image-3.19.0-32-generic 3.19.0-32.37
  linux-image-3.19.0-31-lowlatency 3.19.0-31.36
  linux-image-3.19.0-31-generic 3.19.0-31.36
  linux-image-3.19.0-30-lowlatency 3.19.0-30.34
  linux-image-3.19.0-30-generic 3.19.0-30.34
  linux-image-3.19.0-28-lowlatency 3.19.0-28.30
  linux-image-3.19.0-28-generic 3.19.0-28.30
  linux-image-3.19.0-26-lowlatency 3.19.0-26.28
  linux-image-3.19.0-26-generic 3.19.0-26.28
  linux-image-3.19.0-25-lowlatency 3.19.0-25.26
  linux-image-3.19.0-25-generic 3.19.0-25.26
  linux-image-3.19.0-23-lowlatency 3.19.0-23.24
  linux-image-3.19.0-23-generic 3.19.0-23.24
  linux-image-3.19.0-22-lowlatency 3.19.0-22.22
  linux-image-3.19.0-22-generic 3.19.0-22.22
  linux-image-3.19.0-21-lowlatency 3.19.0-21.21
  linux-image-3.19.0-21-generic 3.19.0-21.21
  linux-image-3.19.0-20-lowlatency 3.19.0-20.20
  linux-image-3.19.0-20-generic 3.19.0-20.20
  linux-image-3.19.0-18-lowlatency 3.19.0-18.18
  linux-image-3.19.0-18-generic 3.19.0-18.18
  linux-image-3.19.0-16-lowlatency 3.19.0-16.16
  linux-image-3.19.0-16-generic 3.19.0-16.16
  linux-image-3.19.0-15-lowlatency 3.19.0-15.15
  linux-image-3.19.0-15-generic 3.19.0-15.15
You should explicitly select one to install.

E: Package 'linux-image' has no installation candidate