[shell:bash] ubuntu_remove_old_kernel_test

[shell:bash]   ubuntu_remove_old_kernel_test

一、基本信息

　　1、　　os:　　Linux ubuntu 6.5.0-35-generic #35-Ubuntu SMP PREEMPT_DYNAMIC Fri Apr 26 11:23:57 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux

　　2、　　bash:　　GNU bash, version 5.2.15(1)-release (x86_64-pc-linux-gnu)

二、脚本内容：ubuntu_remove_old_kernel_test

 1 [wit@ubuntu:bash]$ cat  ubuntu_remove_old_kernel_test 
 2 #/usr/bin/bash
 3 
 4 
 5 
 6 
 7 echo -e "\n\n" 
 8 echo "    [bash]#  list using kernel "
 9 echo -e "\n"
10 sudo uname -a
11 
12 
13 
14 
15 echo -e "\n\n" 
16 for num in 25 27 28
17 do
18 
19         linux_header="linux-headers-6.5.0-${num}"
20         linux_header_generic="linux-headers-6.5.0-${num}-generic"
21         linux_image="linux-image-6.5.0-${num}-generic"
22         linux_mod="linux-modules-6.5.0-${num}-generic"
23         linux_mod_ex="linux-modules-extra-6.5.0-${num}-generic"
24 
25 
26         echo -e "\n\n\n" 
27         echo "    [bash]#  remove:  ${linux_header}"
28         echo 
29         sudo apt purge -y ${linux_header}
30 
31         echo -e "\n\n\n" 
32         echo "    [bash]#  remove:  ${linux_header_generic}"
33         echo 
34         sudo apt purge -y ${linux_header_generic}
35 
36         echo -e "\n\n\n" 
37         echo "    [bash]#  remove:  ${linux_image}"
38         echo 
39         sudo apt purge -y ${linux_image}
40 
41         echo -e "\n\n\n" 
42         echo "    [bash]#  remove:  ${linux_mod}"
43         echo
44         sudo apt purge -y ${linux_mod}
45 
46         echo -e "\n\n\n" 
47         echo "    [bash]#  remove:  ${linux_mod_ex}"
48         echo
49         sudo apt purge -y ${linux_mod_ex}
50 
51 done
52 
53 
54 
55 
56 echo -e "\n\n\n" 
57 echo "    [bash]#  list remain kernel files"
58 echo
59 dpkg  --get-selections | grep linux
60 
61 
62 
63 
64 echo -e "\n\n\n" 
65 echo "    [bash]#   update--grub2"
66 echo
67 sudo update-grub2
68 
69 
70 
71 
72 echo -e "\n\n\n" 
73 echo "    [bash]#  list using kernel "
74 echo
75 sudo uname -a
76 
77 
78 
79 
80 echo -e "\n\n\n"
81 
82 
83 
84 
85 [wit@ubuntu:bash]$ 

三、参考资料：

　　1、　　Shell教程|菜鸟教程　　--　　https://www.runoob.com/linux/linux-shell.html