-rw-r--r-- 1 root root  1538114 Nov 19  2018 abi-4.15.0-42-generic
-rw-r--r-- 1 root root   217026 Nov 19  2018 config-4.15.0-42-generic
-rw-r--r-- 1 root root   217026 Dec  7  2018 config-4.15.0-43-generic
-rw-r--r-- 1 root root   217027 Jan 29  2019 config-4.15.0-45-generic
-rw-r--r-- 1 root root   217004 Feb 12  2019 config-4.15.0-46-generic
-rw-r--r-- 1 root root   217004 Mar 15  2019 config-4.15.0-47-generic
drwxr-xr-x 5 root root     1024 Feb 25 18:35 grub
-rw-r--r-- 1 root root 48826037 Feb 25 18:34 initrd.img-4.13.0-36-generic
-rw-r--r-- 1 root root 48832660 Feb 25 18:34 initrd.img-4.13.0-43-generic
-rw-r--r-- 1 root root 48831211 Feb 25 18:34 initrd.img-4.13.0-45-generic
-rw-r--r-- 1 root root 21976342 Feb 25 18:33 initrd.img-4.15.0-24-generic
-rw-r--r-- 1 root root 51996675 Feb 25 18:33 initrd.img-4.15.0-34-generic
-rw-r--r-- 1 root root 21982014 Feb 25 18:33 initrd.img-4.15.0-36-generic
-rw-r--r-- 1 root root 51999631 Feb 25 18:34 initrd.img-4.15.0-39-generic
-rw-r--r-- 1 root root 52007532 Feb 25 18:34 initrd.img-4.15.0-42-generic
-rw-r--r-- 1 root root 52007052 Feb 25 18:35 initrd.img-4.15.0-43-generic
drwx------ 2 root root    12288 May 26  2018 lost+found
-rw-r--r-- 1 root root        0 Nov 19  2018 retpoline-4.15.0-42-generic
-rw------- 1 root root  4047229 Nov 19  2018 System.map-4.15.0-42-generic
-rw------- 1 root root  4047366 Dec  7  2018 System.map-4.15.0-43-generic
-rw------- 1 root root  4048670 Jan 29  2019 System.map-4.15.0-45-generic
-rw------- 1 root root  4049376 Feb 12  2019 System.map-4.15.0-46-generic
-rw------- 1 root root  4049889 Mar 15  2019 System.map-4.15.0-47-generic
-rw------- 1 root root  8119832 Nov 20  2018 vmlinuz-4.15.0-42-generic
-rw------- 1 root root  8119768 Dec  8  2018 vmlinuz-4.15.0-43-generic
-rw------- 1 root root  8128088 Jan 30  2019 vmlinuz-4.15.0-45-generic
-rw------- 1 root root  8125784 Feb 15  2019 vmlinuz-4.15.0-46-generic
-rw------- 1 root root  8130328 Mar 18  2019 vmlinuz-4.15.0-47-generic