新安装的Ubuntu 16.04 LTS内核版本比较低，比如：

lwk@ubuntu:~$ uname -r
4.4.0-87-generic
lwk@ubuntu:~$

那么有没有什么办法可以将其内核版本升级到最新呢，答案肯定是有的。

接下来我们查一下看看有些高版本的Linux 内核可以用。

lwk@ubuntu:~$ apt list |grep linux-image-

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

linux-image-3.4.0-4-goldfish/xenial 3.4.0-4.27 i386
linux-image-4.10.0-1004-gcp/xenial-updates,xenial-security 4.10.0-1004.4 amd64
linux-image-4.10.0-1006-gcp/xenial-updates,xenial-security 4.10.0-1006.6 amd64
linux-image-4.10.0-1007-gcp/xenial-updates,xenial-security 4.10.0-1007.7 amd64
linux-image-4.10.0-1008-gcp/xenial-updates,xenial-security 4.10.0-1008.8 amd64
linux-image-4.10.0-1009-gcp/xenial-updates,xenial-security 4.10.0-1009.9 amd64
linux-image-4.10.0-14-generic/xenial-updates,xenial-security 4.10.0-14.16~16.04.1 amd64
linux-image-4.10.0-14-lowlatency/xenial-updates,xenial-security 4.10.0-14.16~16.04.1 amd64
linux-image-4.10.0-19-generic/xenial-updates,xenial-security 4.10.0-19.21~16.04.1 amd64
linux-image-4.10.0-19-lowlatency/xenial-updates,xenial-security 4.10.0-19.21~16.04.1 amd64
linux-image-4.10.0-20-generic/xenial-updates,xenial-security 4.10.0-20.22~16.04.1 amd64
linux-image-4.10.0-20-lowlatency/xenial-updates,xenial-security 4.10.0-20.22~16.04.1 amd64
linux-image-4.10.0-21-generic/xenial-updates,xenial-security 4.10.0-21.23~16.04.1 amd64
linux-image-4.10.0-21-lowlatency/xenial-updates,xenial-security 4.10.0-21.23~16.04.1 amd64
linux-image-4.10.0-22-generic/xenial-updates,xenial-security 4.10.0-22.24~16.04.1 amd64
linux-image-4.10.0-22-lowlatency/xenial-updates,xenial-security 4.10.0-22.24~16.04.1 amd64
linux-image-4.10.0-24-generic/xenial-updates,xenial-security 4.10.0-24.28~16.04.1 amd64
linux-image-4.10.0-24-lowlatency/xenial-updates,xenial-security 4.10.0-24.28~16.04.1 amd64
linux-image-4.10.0-26-generic/xenial-updates,xenial-security 4.10.0-26.30~16.04.1 amd64
linux-image-4.10.0-26-lowlatency/xenial-updates,xenial-security 4.10.0-26.30~16.04.1 amd64
linux-image-4.10.0-27-generic/xenial-updates,xenial-security 4.10.0-27.30~16.04.2 amd64
linux-image-4.10.0-27-lowlatency/xenial-updates,xenial-security 4.10.0-27.30~16.04.2 amd64
linux-image-4.10.0-28-generic/xenial-updates,xenial-security 4.10.0-28.32~16.04.2 amd64
linux-image-4.10.0-28-lowlatency/xenial-updates,xenial-security 4.10.0-28.32~16.04.2 amd64
linux-image-4.10.0-30-generic/xenial-updates,xenial-security 4.10.0-30.34~16.04.1 amd64
linux-image-4.10.0-30-lowlatency/xenial-updates,xenial-security 4.10.0-30.34~16.04.1 amd64
linux-image-4.10.0-32-generic/xenial-updates,xenial-security 4.10.0-32.36~16.04.1 amd64
linux-image-4.10.0-32-lowlatency/xenial-updates,xenial-security 4.10.0-32.36~16.04.1 amd64
linux-image-4.10.0-33-generic/xenial-updates,xenial-security 4.10.0-33.37~16.04.1 amd64
linux-image-4.10.0-33-lowlatency/xenial-updates,xenial-security 4.10.0-33.37~16.04.1 amd64
linux-image-4.10.0-35-generic/xenial-updates,xenial-security 4.10.0-35.39~16.04.1 amd64
linux-image-4.10.0-35-lowlatency/xenial-updates,xenial-security 4.10.0-35.39~16.04.1 amd64
linux-image-4.10.0-37-generic/xenial-updates,xenial-security 4.10.0-37.41~16.04.1 amd64
linux-image-4.10.0-37-lowlatency/xenial-updates,xenial-security 4.10.0-37.41~16.04.1 amd64
linux-image-4.10.0-38-generic/xenial-updates,xenial-security 4.10.0-38.42~16.04.1 amd64
linux-image-4.10.0-38-lowlatency/xenial-updates,xenial-security 4.10.0-38.42~16.04.1 amd64
linux-image-4.10.0-40-generic/xenial-updates,xenial-security 4.10.0-40.44~16.04.1 amd64
linux-image-4.10.0-40-lowlatency/xenial-updates,xenial-security 4.10.0-40.44~16.04.1 amd64
linux-image-4.10.0-42-generic/xenial-updates,xenial-security 4.10.0-42.46~16.04.1 amd64
linux-image-4.10.0-42-lowlatency/xenial-updates,xenial-security 4.10.0-42.46~16.04.1 amd64
linux-image-4.11.0-1009-azure/xenial-updates 4.11.0-1009.9 amd64
linux-image-4.11.0-1011-azure/xenial-updates 4.11.0-1011.11 amd64
linux-image-4.11.0-1013-azure/xenial-updates 4.11.0-1013.13 amd64
linux-image-4.11.0-1014-azure/xenial-updates 4.11.0-1014.14 amd64
linux-image-4.11.0-1015-azure/xenial-updates,xenial-security 4.11.0-1015.15 amd64
linux-image-4.11.0-1016-azure/xenial-updates,xenial-security 4.11.0-1016.16 amd64
linux-image-4.11.0-13-generic/xenial-updates,xenial-security 4.11.0-13.19~16.04.1 amd64
linux-image-4.11.0-13-lowlatency/xenial-updates,xenial-security 4.11.0-13.19~16.04.1 amd64
linux-image-4.11.0-14-generic/xenial-updates,xenial-security 4.11.0-14.20~16.04.1 amd64
linux-image-4.11.0-14-lowlatency/xenial-updates,xenial-security 4.11.0-14.20~16.04.1 amd64
linux-image-4.13.0-1002-gcp/xenial-updates,xenial-security 4.13.0-1002.5 amd64
linux-image-4.13.0-1003-azure-edge/xenial-updates 4.13.0-1003.3 amd64
linux-image-4.13.0-1005-azure-edge/xenial-updates,xenial-security 4.13.0-1005.5 amd64
linux-image-4.13.0-1008-oem/xenial-updates 4.13.0-1008.9 amd64
linux-image-4.13.0-1010-oem/xenial-updates,xenial-security 4.13.0-1010.11 amd64
linux-image-4.13.0-1012-oem/xenial-updates,xenial-security 4.13.0-1012.13 amd64
linux-image-4.13.0-16-generic/xenial-updates,xenial-security,now 4.13.0-16.19~16.04.3 amd64 [installed]
linux-image-4.13.0-16-lowlatency/xenial-updates,xenial-security 4.13.0-16.19~16.04.3 amd64
linux-image-4.13.0-17-generic/xenial-updates,xenial-security 4.13.0-17.20~16.04.1 amd64
linux-image-4.13.0-17-lowlatency/xenial-updates,xenial-security 4.13.0-17.20~16.04.1 amd64
linux-image-4.13.0-19-generic/xenial-updates,xenial-security 4.13.0-19.22~16.04.1 amd64
linux-image-4.13.0-19-lowlatency/xenial-updates,xenial-security 4.13.0-19.22~16.04.1 amd64
linux-image-4.13.0-21-generic/xenial-updates,xenial-security 4.13.0-21.24~16.04.1 amd64
linux-image-4.13.0-21-lowlatency/xenial-updates,xenial-security 4.13.0-21.24~16.04.1 amd64
linux-image-4.4.0-1001-aws/xenial-updates,xenial-security 4.4.0-1001.10 amd64
linux-image-4.4.0-1003-aws/xenial-updates,xenial-security 4.4.0-1003.12 amd64
linux-image-4.4.0-1003-gke/xenial-updates 4.4.0-1003.3 amd64
linux-image-4.4.0-1004-aws/xenial-updates,xenial-security 4.4.0-1004.13 amd64
linux-image-4.4.0-1004-kvm/xenial-updates 4.4.0-1004.9 amd64
linux-image-4.4.0-1005-gke/xenial-updates,xenial-security 4.4.0-1005.6 amd64
linux-image-4.4.0-1006-gke/xenial-updates,xenial-security 4.4.0-1006.6 amd64
linux-image-4.4.0-1007-aws/xenial-updates,xenial-security 4.4.0-1007.16 amd64
linux-image-4.4.0-1007-kvm/xenial-updates,xenial-security 4.4.0-1007.12 amd64
linux-image-4.4.0-1008-gke/xenial-updates,xenial-security 4.4.0-1008.8 amd64
linux-image-4.4.0-1008-kvm/xenial-updates,xenial-security 4.4.0-1008.13 amd64
linux-image-4.4.0-1009-aws/xenial-updates,xenial-security 4.4.0-1009.18 amd64
linux-image-4.4.0-1009-gke/xenial-updates,xenial-security 4.4.0-1009.9 amd64
linux-image-4.4.0-1009-kvm/xenial-updates,xenial-security 4.4.0-1009.14 amd64
linux-image-4.4.0-101-generic/xenial-updates,xenial-security 4.4.0-101.124 amd64
linux-image-4.4.0-101-lowlatency/xenial-updates,xenial-security 4.4.0-101.124 amd64
linux-image-4.4.0-1010-gke/xenial-updates,xenial-security 4.4.0-1010.10 amd64
linux-image-4.4.0-1010-kvm/xenial-updates,xenial-security 4.4.0-1010.15 amd64
linux-image-4.4.0-1011-aws/xenial-updates,xenial-security 4.4.0-1011.20 amd64
linux-image-4.4.0-1012-aws/xenial-updates,xenial-security 4.4.0-1012.21 amd64
linux-image-4.4.0-1012-gke/xenial-updates,xenial-security 4.4.0-1012.12 amd64
linux-image-4.4.0-1012-kvm/xenial-updates,xenial-security 4.4.0-1012.17 amd64
linux-image-4.4.0-1013-aws/xenial-updates,xenial-security 4.4.0-1013.22 amd64
linux-image-4.4.0-1013-gke/xenial-updates,xenial-security 4.4.0-1013.13 amd64
linux-image-4.4.0-1013-kvm/xenial-updates,xenial-security 4.4.0-1013.18 amd64
linux-image-4.4.0-1014-gke/xenial-updates,xenial-security 4.4.0-1014.14 amd64
linux-image-4.4.0-1016-aws/xenial-updates,xenial-security 4.4.0-1016.25 amd64
linux-image-4.4.0-1016-gke/xenial-updates,xenial-security 4.4.0-1016.16 amd64
linux-image-4.4.0-1017-aws/xenial-updates,xenial-security 4.4.0-1017.26 amd64
linux-image-4.4.0-1018-aws/xenial-updates,xenial-security 4.4.0-1018.27 amd64
linux-image-4.4.0-1018-gke/xenial-updates,xenial-security 4.4.0-1018.18 amd64
linux-image-4.4.0-1020-aws/xenial-updates,xenial-security 4.4.0-1020.29 amd64
linux-image-4.4.0-1022-aws/xenial-updates,xenial-security 4.4.0-1022.31 amd64
linux-image-4.4.0-1022-gke/xenial-updates,xenial-security 4.4.0-1022.22 amd64
linux-image-4.4.0-1024-gke/xenial-updates,xenial-security 4.4.0-1024.24 amd64
linux-image-4.4.0-1026-aws/xenial-updates,xenial-security 4.4.0-1026.35 amd64
linux-image-4.4.0-1026-gke/xenial-updates,xenial-security 4.4.0-1026.26 amd64
linux-image-4.4.0-1027-gke/xenial-updates,xenial-security 4.4.0-1027.27 amd64
linux-image-4.4.0-1028-aws/xenial-updates,xenial-security 4.4.0-1028.37 amd64
linux-image-4.4.0-1028-gke/xenial-updates,xenial-security 4.4.0-1028.28 amd64
linux-image-4.4.0-103-generic/xenial-updates,xenial-security 4.4.0-103.126 amd64
linux-image-4.4.0-103-lowlatency/xenial-updates,xenial-security 4.4.0-103.126 amd64
linux-image-4.4.0-1030-aws/xenial-updates,xenial-security 4.4.0-1030.39 amd64
linux-image-4.4.0-1031-aws/xenial-updates,xenial-security 4.4.0-1031.40 amd64
linux-image-4.4.0-1031-gke/xenial-updates,xenial-security 4.4.0-1031.31 amd64
linux-image-4.4.0-1032-aws/xenial-updates,xenial-security 4.4.0-1032.41 amd64
linux-image-4.4.0-1032-gke/xenial-updates,xenial-security 4.4.0-1032.32 amd64
linux-image-4.4.0-1033-gke/xenial-updates,xenial-security 4.4.0-1033.33 amd64
linux-image-4.4.0-1034-gke/xenial-updates,xenial-security 4.4.0-1034.34 amd64
linux-image-4.4.0-1035-aws/xenial-updates,xenial-security 4.4.0-1035.44 amd64
linux-image-4.4.0-1037-aws/xenial-updates 4.4.0-1037.46 amd64
linux-image-4.4.0-1038-aws/xenial-updates,xenial-security 4.4.0-1038.47 amd64
linux-image-4.4.0-1039-aws/xenial-updates,xenial-security 4.4.0-1039.48 amd64
linux-image-4.4.0-104-generic/xenial-updates,now 4.4.0-104.127 amd64 [installed,automatic]
linux-image-4.4.0-104-lowlatency/xenial-updates,xenial-security 4.4.0-104.127 amd64
linux-image-4.4.0-1041-aws/xenial-updates,xenial-security 4.4.0-1041.50 amd64
linux-image-4.4.0-1043-aws/xenial-updates,xenial-security 4.4.0-1043.52 amd64
linux-image-4.4.0-1044-aws/xenial-updates,xenial-security 4.4.0-1044.53 amd64
linux-image-4.4.0-21-generic/xenial 4.4.0-21.37 amd64
linux-image-4.4.0-21-lowlatency/xenial 4.4.0-21.37 amd64
linux-image-4.4.0-22-generic/xenial-updates,xenial-security 4.4.0-22.40 amd64
linux-image-4.4.0-22-lowlatency/xenial-updates,xenial-security 4.4.0-22.40 amd64
linux-image-4.4.0-24-generic/xenial-updates,xenial-security 4.4.0-24.43 amd64
linux-image-4.4.0-24-lowlatency/xenial-updates,xenial-security 4.4.0-24.43 amd64
linux-image-4.4.0-28-generic/xenial-updates,xenial-security 4.4.0-28.47 amd64
linux-image-4.4.0-28-lowlatency/xenial-updates,xenial-security 4.4.0-28.47 amd64
linux-image-4.4.0-31-generic/xenial-updates,xenial-security 4.4.0-31.50 amd64
linux-image-4.4.0-31-lowlatency/xenial-updates,xenial-security 4.4.0-31.50 amd64
linux-image-4.4.0-34-generic/xenial-updates,xenial-security 4.4.0-34.53 amd64
linux-image-4.4.0-34-lowlatency/xenial-updates,xenial-security 4.4.0-34.53 amd64
linux-image-4.4.0-36-generic/xenial-updates,xenial-security 4.4.0-36.55 amd64
linux-image-4.4.0-36-lowlatency/xenial-updates,xenial-security 4.4.0-36.55 amd64
linux-image-4.4.0-38-generic/xenial-updates,xenial-security 4.4.0-38.57 amd64
linux-image-4.4.0-38-lowlatency/xenial-updates,xenial-security 4.4.0-38.57 amd64
linux-image-4.4.0-42-generic/xenial-updates,xenial-security 4.4.0-42.62 amd64
linux-image-4.4.0-42-lowlatency/xenial-updates,xenial-security 4.4.0-42.62 amd64
linux-image-4.4.0-43-generic/xenial-updates 4.4.0-43.63 amd64
linux-image-4.4.0-43-lowlatency/xenial-updates 4.4.0-43.63 amd64
linux-image-4.4.0-45-generic/xenial-updates,xenial-security 4.4.0-45.66 amd64
linux-image-4.4.0-45-lowlatency/xenial-updates,xenial-security 4.4.0-45.66 amd64
linux-image-4.4.0-47-generic/xenial-updates,xenial-security 4.4.0-47.68 amd64
linux-image-4.4.0-47-lowlatency/xenial-updates,xenial-security 4.4.0-47.68 amd64
linux-image-4.4.0-51-generic/xenial-updates,xenial-security 4.4.0-51.72 amd64
linux-image-4.4.0-51-lowlatency/xenial-updates,xenial-security 4.4.0-51.72 amd64
linux-image-4.4.0-53-generic/xenial-updates,xenial-security 4.4.0-53.74 amd64
linux-image-4.4.0-53-lowlatency/xenial-updates,xenial-security 4.4.0-53.74 amd64
linux-image-4.4.0-57-generic/xenial-updates,xenial-security 4.4.0-57.78 amd64
linux-image-4.4.0-57-lowlatency/xenial-updates,xenial-security 4.4.0-57.78 amd64
linux-image-4.4.0-59-generic/xenial-updates,xenial-security 4.4.0-59.80 amd64
linux-image-4.4.0-59-lowlatency/xenial-updates,xenial-security 4.4.0-59.80 amd64
linux-image-4.4.0-62-generic/xenial-updates,xenial-security 4.4.0-62.83 amd64
linux-image-4.4.0-62-lowlatency/xenial-updates,xenial-security 4.4.0-62.83 amd64
linux-image-4.4.0-63-generic/xenial-updates,xenial-security 4.4.0-63.84 amd64
linux-image-4.4.0-63-lowlatency/xenial-updates,xenial-security 4.4.0-63.84 amd64
linux-image-4.4.0-64-generic/xenial-updates,xenial-security 4.4.0-64.85 amd64
linux-image-4.4.0-64-lowlatency/xenial-updates,xenial-security 4.4.0-64.85 amd64
linux-image-4.4.0-66-generic/xenial-updates,xenial-security 4.4.0-66.87 amd64
linux-image-4.4.0-66-lowlatency/xenial-updates,xenial-security 4.4.0-66.87 amd64
linux-image-4.4.0-67-generic/xenial-updates,xenial-security 4.4.0-67.88 amd64
linux-image-4.4.0-67-lowlatency/xenial-updates,xenial-security 4.4.0-67.88 amd64
linux-image-4.4.0-70-generic/xenial-updates,xenial-security 4.4.0-70.91 amd64
linux-image-4.4.0-70-lowlatency/xenial-updates,xenial-security 4.4.0-70.91 amd64
linux-image-4.4.0-71-generic/xenial-updates,xenial-security 4.4.0-71.92 amd64
linux-image-4.4.0-71-lowlatency/xenial-updates,xenial-security 4.4.0-71.92 amd64
linux-image-4.4.0-72-generic/xenial-updates,xenial-security 4.4.0-72.93 amd64
linux-image-4.4.0-72-lowlatency/xenial-updates,xenial-security 4.4.0-72.93 amd64
linux-image-4.4.0-75-generic/xenial-updates,xenial-security 4.4.0-75.96 amd64
linux-image-4.4.0-75-lowlatency/xenial-updates,xenial-security 4.4.0-75.96 amd64
linux-image-4.4.0-77-generic/xenial-updates 4.4.0-77.98 amd64
linux-image-4.4.0-77-lowlatency/xenial-updates 4.4.0-77.98 amd64
linux-image-4.4.0-78-generic/xenial-updates,xenial-security 4.4.0-78.99 amd64
linux-image-4.4.0-78-lowlatency/xenial-updates,xenial-security 4.4.0-78.99 amd64
linux-image-4.4.0-79-generic/xenial-updates,xenial-security 4.4.0-79.100 amd64
linux-image-4.4.0-79-lowlatency/xenial-updates,xenial-security 4.4.0-79.100 amd64
linux-image-4.4.0-81-generic/xenial-updates,xenial-security 4.4.0-81.104 amd64
linux-image-4.4.0-81-lowlatency/xenial-updates,xenial-security 4.4.0-81.104 amd64
linux-image-4.4.0-83-generic/xenial-updates,xenial-security 4.4.0-83.106 amd64
linux-image-4.4.0-83-lowlatency/xenial-updates,xenial-security 4.4.0-83.106 amd64
linux-image-4.4.0-87-generic/xenial-updates,now 4.4.0-87.110 amd64 [installed,automatic]
linux-image-4.4.0-87-lowlatency/xenial-updates,xenial-security 4.4.0-87.110 amd64
linux-image-4.4.0-89-generic/xenial-updates,xenial-security 4.4.0-89.112 amd64
linux-image-4.4.0-89-lowlatency/xenial-updates,xenial-security 4.4.0-89.112 amd64
linux-image-4.4.0-9019-euclid/xenial-updates 4.4.0-9019.20 amd64
linux-image-4.4.0-9020-euclid/xenial-updates,xenial-security 4.4.0-9020.21 amd64
linux-image-4.4.0-91-generic/xenial-updates,xenial-security 4.4.0-91.114 amd64
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linux-image-extra-4.10.0-30-generic/xenial-updates,xenial-security 4.10.0-30.34~16.04.1 amd64
linux-image-extra-4.10.0-32-generic/xenial-updates,xenial-security 4.10.0-32.36~16.04.1 amd64
linux-image-extra-4.10.0-33-generic/xenial-updates,xenial-security 4.10.0-33.37~16.04.1 amd64
linux-image-extra-4.10.0-35-generic/xenial-updates,xenial-security 4.10.0-35.39~16.04.1 amd64
linux-image-extra-4.10.0-37-generic/xenial-updates,xenial-security 4.10.0-37.41~16.04.1 amd64
linux-image-extra-4.10.0-38-generic/xenial-updates,xenial-security 4.10.0-38.42~16.04.1 amd64
linux-image-extra-4.10.0-40-generic/xenial-updates,xenial-security 4.10.0-40.44~16.04.1 amd64
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linux-image-extra-4.11.0-1015-azure/xenial-updates,xenial-security 4.11.0-1015.15 amd64
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linux-image-extra-4.13.0-19-generic/xenial-updates,xenial-security 4.13.0-19.22~16.04.1 amd64
linux-image-extra-4.13.0-21-generic/xenial-updates,xenial-security 4.13.0-21.24~16.04.1 amd64
linux-image-extra-4.4.0-1003-gke/xenial-updates 4.4.0-1003.3 amd64
linux-image-extra-4.4.0-1005-gke/xenial-updates,xenial-security 4.4.0-1005.6 amd64
linux-image-extra-4.4.0-1006-gke/xenial-updates,xenial-security 4.4.0-1006.6 amd64
linux-image-extra-4.4.0-1008-gke/xenial-updates,xenial-security 4.4.0-1008.8 amd64
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linux-image-extra-4.4.0-101-generic/xenial-updates,xenial-security 4.4.0-101.124 amd64
linux-image-extra-4.4.0-1010-gke/xenial-updates,xenial-security 4.4.0-1010.10 amd64
linux-image-extra-4.4.0-1012-gke/xenial-updates,xenial-security 4.4.0-1012.12 amd64
linux-image-extra-4.4.0-1013-gke/xenial-updates,xenial-security 4.4.0-1013.13 amd64
linux-image-extra-4.4.0-1014-gke/xenial-updates,xenial-security 4.4.0-1014.14 amd64
linux-image-extra-4.4.0-1016-gke/xenial-updates,xenial-security 4.4.0-1016.16 amd64
linux-image-extra-4.4.0-1018-gke/xenial-updates,xenial-security 4.4.0-1018.18 amd64
linux-image-extra-4.4.0-1022-gke/xenial-updates,xenial-security 4.4.0-1022.22 amd64
linux-image-extra-4.4.0-1024-gke/xenial-updates,xenial-security 4.4.0-1024.24 amd64
linux-image-extra-4.4.0-1026-gke/xenial-updates,xenial-security 4.4.0-1026.26 amd64
linux-image-extra-4.4.0-1027-gke/xenial-updates,xenial-security 4.4.0-1027.27 amd64
linux-image-extra-4.4.0-1028-gke/xenial-updates,xenial-security 4.4.0-1028.28 amd64
linux-image-extra-4.4.0-103-generic/xenial-updates,xenial-security 4.4.0-103.126 amd64
linux-image-extra-4.4.0-1031-gke/xenial-updates,xenial-security 4.4.0-1031.31 amd64
linux-image-extra-4.4.0-1032-gke/xenial-updates,xenial-security 4.4.0-1032.32 amd64
linux-image-extra-4.4.0-1033-gke/xenial-updates,xenial-security 4.4.0-1033.33 amd64
linux-image-extra-4.4.0-1034-gke/xenial-updates,xenial-security 4.4.0-1034.34 amd64
linux-image-extra-4.4.0-104-generic/xenial-updates,automatic]
linux-image-extra-4.4.0-21-generic/xenial 4.4.0-21.37 amd64
linux-image-extra-4.4.0-22-generic/xenial-updates,xenial-security 4.4.0-22.40 amd64
linux-image-extra-4.4.0-24-generic/xenial-updates,xenial-security 4.4.0-24.43 amd64
linux-image-extra-4.4.0-28-generic/xenial-updates,xenial-security 4.4.0-28.47 amd64
linux-image-extra-4.4.0-31-generic/xenial-updates,xenial-security 4.4.0-31.50 amd64
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linux-image-extra-4.4.0-36-generic/xenial-updates,xenial-security 4.4.0-36.55 amd64
linux-image-extra-4.4.0-38-generic/xenial-updates,xenial-security 4.4.0-38.57 amd64
linux-image-extra-4.4.0-42-generic/xenial-updates,xenial-security 4.4.0-42.62 amd64
linux-image-extra-4.4.0-43-generic/xenial-updates 4.4.0-43.63 amd64
linux-image-extra-4.4.0-45-generic/xenial-updates,xenial-security 4.4.0-45.66 amd64
linux-image-extra-4.4.0-47-generic/xenial-updates,xenial-security 4.4.0-47.68 amd64
linux-image-extra-4.4.0-51-generic/xenial-updates,xenial-security 4.4.0-51.72 amd64
linux-image-extra-4.4.0-53-generic/xenial-updates,xenial-security 4.4.0-53.74 amd64
linux-image-extra-4.4.0-57-generic/xenial-updates,xenial-security 4.4.0-57.78 amd64
linux-image-extra-4.4.0-59-generic/xenial-updates,xenial-security 4.4.0-59.80 amd64
linux-image-extra-4.4.0-62-generic/xenial-updates,xenial-security 4.4.0-62.83 amd64
linux-image-extra-4.4.0-63-generic/xenial-updates,xenial-security 4.4.0-63.84 amd64
linux-image-extra-4.4.0-64-generic/xenial-updates,xenial-security 4.4.0-64.85 amd64
linux-image-extra-4.4.0-66-generic/xenial-updates,xenial-security 4.4.0-66.87 amd64
linux-image-extra-4.4.0-67-generic/xenial-updates,xenial-security 4.4.0-67.88 amd64
linux-image-extra-4.4.0-70-generic/xenial-updates,xenial-security 4.4.0-70.91 amd64
linux-image-extra-4.4.0-71-generic/xenial-updates,xenial-security 4.4.0-71.92 amd64
linux-image-extra-4.4.0-72-generic/xenial-updates,xenial-security 4.4.0-72.93 amd64
linux-image-extra-4.4.0-75-generic/xenial-updates,xenial-security 4.4.0-75.96 amd64
linux-image-extra-4.4.0-77-generic/xenial-updates 4.4.0-77.98 amd64
linux-image-extra-4.4.0-78-generic/xenial-updates,xenial-security 4.4.0-78.99 amd64
linux-image-extra-4.4.0-79-generic/xenial-updates,xenial-security 4.4.0-79.100 amd64
linux-image-extra-4.4.0-81-generic/xenial-updates,xenial-security 4.4.0-81.104 amd64
linux-image-extra-4.4.0-83-generic/xenial-updates,xenial-security 4.4.0-83.106 amd64
linux-image-extra-4.4.0-87-generic/xenial-updates,automatic]
linux-image-extra-4.4.0-89-generic/xenial-updates,xenial-security 4.4.0-89.112 amd64
linux-image-extra-4.4.0-9019-euclid/xenial-updates 4.4.0-9019.20 amd64
linux-image-extra-4.4.0-9020-euclid/xenial-updates,xenial-security 4.4.0-9020.21 amd64
linux-image-extra-4.4.0-91-generic/xenial-updates,xenial-security 4.4.0-91.114 amd64
linux-image-extra-4.4.0-92-generic/xenial-updates,xenial-security 4.4.0-92.115 amd64
linux-image-extra-4.4.0-93-generic/xenial-updates,xenial-security 4.4.0-93.116 amd64
linux-image-extra-4.4.0-96-generic/xenial-updates,xenial-security 4.4.0-96.119 amd64
linux-image-extra-4.4.0-97-generic/xenial-updates,xenial-security 4.4.0-97.120 amd64
linux-image-extra-4.4.0-98-generic/xenial-updates,xenial-security 4.4.0-98.121 amd64
linux-image-extra-4.8.0-34-generic/xenial-updates,xenial-security 4.8.0-34.36~16.04.1 amd64
linux-image-extra-4.8.0-36-generic/xenial-updates,xenial-security 4.8.0-36.36~16.04.1 amd64
linux-image-extra-4.8.0-39-generic/xenial-updates,xenial-security 4.8.0-39.42~16.04.1 amd64
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linux-image-extra-4.8.0-46-generic/xenial-updates,xenial-security 4.8.0-46.49~16.04.1 amd64
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linux-image-extra-4.8.0-53-generic/xenial-updates 4.8.0-53.56~16.04.1 amd64
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linux-image-extra-virtual/xenial-updates,xenial-security 4.4.0.104.109 amd64
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linux-image-extra-virtual-lts-utopic/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-extra-virtual-lts-vivid/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-extra-virtual-lts-wily/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-extra-virtual-lts-xenial/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-gcp/xenial-updates,xenial-security 4.13.0.1002.4 amd64
linux-image-generic/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-generic-hwe-16.04/xenial-updates,xenial-security 4.10.0.42.44 amd64
linux-image-generic-hwe-16.04-edge/xenial-updates,xenial-security 4.13.0.21.27 amd64
linux-image-generic-lts-utopic/xenial-updates,xenial-security 4.4.0.104.109 amd64
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linux-image-generic-lts-wily/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-generic-lts-xenial/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-gke/xenial-updates,xenial-security 4.13.0.1002.4 amd64
linux-image-goldfish/xenial 3.4.0.4.6 i386
linux-image-hwe-generic-trusty/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-hwe-virtual-trusty/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-kvm/xenial-updates,xenial-security 4.4.0.1013.13 amd64
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linux-image-lowlatency-hwe-16.04/xenial-updates,xenial-security 4.10.0.42.44 amd64
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linux-image-lowlatency-lts-utopic/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-lowlatency-lts-vivid/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-lowlatency-lts-wily/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-lowlatency-lts-xenial/xenial-updates,xenial-security 4.4.0.104.109 amd64
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linux-image-virtual/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-virtual-hwe-16.04/xenial-updates,xenial-security 4.10.0.42.44 amd64
linux-image-virtual-hwe-16.04-edge/xenial-updates,xenial-security 4.13.0.21.27 amd64
linux-image-virtual-lts-utopic/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-virtual-lts-vivid/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-virtual-lts-wily/xenial-updates,xenial-security 4.4.0.104.109 amd64
linux-image-virtual-lts-xenial/xenial-updates,xenial-security 4.4.0.104.109 amd64
lwk@ubuntu:~$

经查阅，我们发现linux-image-4.13.0-21-generic比较新，那么就安装这个好了。

lwk@ubuntu:~$ apt install linux-image-4.13.0-21-generic
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Suggested packages:
  fdutils linux-tools linux-headers-4.13.0-21-generic
The following NEW packages will be installed:
  linux-image-4.13.0-21-generic
0 upgraded,1 newly installed,0 to remove and 0 not upgraded.
Need to get 20.8 MB of archives.
After this operation,72.0 MB of additional disk space will be used.
Get:1 http://cn.archive.ubuntu.com/ubuntu xenial-updates/main amd64 linux-image-4.13.0-21-generic amd64 4.13.0-21.24~16.04.1 [20.8 MB]
Fetched 20.8 MB in 4s (5105 kB/s)                        
perl: warning: Setting locale Failed.
perl: warning: Please check that your locale settings:
	LANGUAGE = "en_US:en",LC_ALL = (unset),LC_MONETARY = "zh_CN.UTF-8",LC_ADDRESS = "zh_CN.UTF-8",LC_TELEPHONE = "zh_CN.UTF-8",LC_NAME = "zh_CN.UTF-8",LC_MEASUREMENT = "zh_CN.UTF-8",LC_IDENTIFICATION = "zh_CN.UTF-8",LC_NUMERIC = "zh_CN.UTF-8",LC_PAPER = "zh_CN.UTF-8",LANG = "en_US.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to a fallback locale ("en_US.UTF-8").
locale: Cannot set LC_ALL to default locale: No such file or directory
Selecting prevIoUsly unselected package linux-image-4.13.0-21-generic.
(Reading database ... 93640 files and directories currently installed.)
Preparing to unpack .../linux-image-4.13.0-21-generic_4.13.0-21.24~16.04.1_amd64.deb ...
locale: Cannot set LC_ALL to default locale: No such file or directory
Done.
Unpacking linux-image-4.13.0-21-generic (4.13.0-21.24~16.04.1) ...
Setting up linux-image-4.13.0-21-generic (4.13.0-21.24~16.04.1) ...
Running depmod.
update-initramfs: deferring update (hook will be called later)
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.13.0-21-generic /boot/vmlinuz-4.13.0-21-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.13.0-21-generic /boot/vmlinuz-4.13.0-21-generic
update-initramfs: Generating /boot/initrd.img-4.13.0-21-generic
W: mdadm: /etc/mdadm/mdadm.conf defines no arrays.
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.13.0-21-generic /boot/vmlinuz-4.13.0-21-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 4.13.0-21-generic /boot/vmlinuz-4.13.0-21-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.13.0-21-generic /boot/vmlinuz-4.13.0-21-generic
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-4.13.0-21-generic
Found initrd image: /boot/initrd.img-4.13.0-21-generic
Found linux image: /boot/vmlinuz-4.13.0-16-generic
Found initrd image: /boot/initrd.img-4.13.0-16-generic
Found linux image: /boot/vmlinuz-4.4.0-104-generic
Found initrd image: /boot/initrd.img-4.4.0-104-generic
Found linux image: /boot/vmlinuz-4.4.0-87-generic
Found initrd image: /boot/initrd.img-4.4.0-87-generic
Adding boot menu entry for EFI firmware configuration
done
lwk@ubuntu:~$

重新启动系统

lwk@ubuntu:~$ sudo reboot
Connection to ubuntu closed by remote host.
Connection to ubuntu closed.
lwk@qwfys ~ $

重新登录上去查看

lwk@qwfys ~ $ ssh lwk@ubuntu
Welcome to Ubuntu 16.04.3 LTS (GNU/Linux 4.13.0-21-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

0 packages can be updated.
0 updates are security updates.


Last login: Wed Jan  3 19:32:22 2018 from 192.168.1.4
lwk@ubuntu:~$ uname -a
Linux ubuntu 4.13.0-21-generic #24~16.04.1-Ubuntu SMP Mon Dec 18 19:39:31 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
lwk@ubuntu:~$

果然，内核已经更新为最新了。