openEuler学习05-kernel升级

周末没事，尝试下openEuler的kernel升级

[root@localhost ~]# more /etc/os-release
NAME="openEuler"
VERSION="20.03 (LTS-SP3)"
ID="openEuler"
VERSION_ID="20.03"
PRETTY_NAME="openEuler 20.03 (LTS-SP3)"
ANSI_COLOR="0;31"

[root@db253 ~]# uname -r
4.19.90-2112.8.0.0131.oe1.x86_64

查看当前机器已安装的内核版本及启动顺序

[root@localhost ~]# awk -F\' '$1=="menuentry " {print $2}' /etc/grub2-efi.cfg
0 : openEuler (4.19.90-2112.8.0.0131.oe1.x86_64) 20.03 (LTS-SP3)
1 : openEuler (0-rescue-1cdbb66cf8f8450b8345d313a329ea00) 20.03 (LTS-SP3)

[root@localhost ~]# yum list kernel
Last metadata expiration check: 0:54:47 ago on Sat 09 Dec 2023 09:18:50 AM CST.
Installed Packages
kernel.x86_64                                                              4.19.90-2112.8.0.0131.oe1                                                               @anaconda
Available Packages
kernel.src                                                                 4.19.90-2112.8.0.0131.oe1                                                               source
kernel.x86_64
                                                            4.19.90-2312.1.0.0229.oe1                                                               update
[root@localhost ~]# yum -y install kernel
Last metadata expiration check: 0:56:05 ago on Sat 09 Dec 2023 09:18:50 AM CST.
Package kernel-4.19.90-2112.8.0.0131.oe1.x86_64 is already installed.
Dependencies resolved.
============================================================================================================================================================================
Package                             Architecture                        Version                                                  Repository                           Size
============================================================================================================================================================================
Installing:
kernel                              x86_64                              4.19.90-2312.1.0.0229.oe1                                update                               42 M

Transaction Summary
============================================================================================================================================================================
Install 1 Package

Total download size: 42 M
Installed size: 211 M
Downloading Packages:
[MIRROR] kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rpm: Curl error (18): Transferred a partial file for http://repo.openeuler.org/openEuler-20.03-LTS-SP3/update/x86_64/Packages/kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rpm [transfer closed with 38673887 bytes remaining to read]
kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rpm                                                                                                  47 kB/s | 42 MB     15:33
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                        47 kB/s | 42 MB     15:33
update                                                                                                                                       30 kB/s | 2.1 kB     00:00
Importing GPG key 0xB25E7F66:
Userid     : "private OBS (key without passphrase) <defaultkey@localobs>"
Fingerprint: 12EA 74AC 9DF4 8D46 C69C A0BE D557 065E B25E 7F66
From       : http://repo.openeuler.org/openEuler-20.03-LTS-SP3/OS/x86_64/RPM-GPG-KEY-openEuler
Key imported successfully
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing        :                                                                                                                                                    1/1
Installing       : kernel-4.19.90-2312.1.0.0229.oe1.x86_64                                                                                                            1/1
Running scriptlet: kernel-4.19.90-2312.1.0.0229.oe1.x86_64                                                                                                            1/1
Verifying        : kernel-4.19.90-2312.1.0.0229.oe1.x86_64                                                                                                            1/1

Installed:
kernel-4.19.90-2312.1.0.0229.oe1.x86_64

Complete!

安装后查看机器已安装的内核版本及启动顺序
[root@localhost ~]# awk -F\' '$1=="menuentry " {print i++ " : " $2}' /etc/grub2-efi.cfg
0 : openEuler (4.19.90-2312.1.0.0229.oe1.x86_64) 20.03 (LTS-SP3)
1 : openEuler (4.19.90-2112.8.0.0131.oe1.x86_64) 20.03 (LTS-SP3)
2 : openEuler (0-rescue-1cdbb66cf8f8450b8345d313a329ea00) 20.03 (LTS-SP3)
[root@localhost ~]# reboot
Connection closing...Socket close.

Connection closed by foreign host.

Disconnected from remote host(0000-172.16.55.253) at 10:50:22.

Type `help' to learn how to use Xshell prompt.
[C:\~]$

Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.

Authorized users only. All activities may be monitored and reported.

WARNING! The remote SSH server rejected X11 forwarding request.

Authorized users only. All activities may be monitored and reported.
Welcome to 4.19.90-2312.1.0.0229.oe1.x86_64

System information as of time:

System load:    0.29
Processes:    198
Memory used:    1.4%
Swap used:    0%
Usage On:    5%
Users online:    2

[root@localhost ~]# uname -a
Linux localhost.localdomain 4.19.90-2312.1.0.0229.oe1.x86_64 #1 SMP Wed Dec 6 03:11:49 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost ~]#

升级的第2个方法，rpm安装kernel 下载kernel到/opt目录下

[root@localhost opt]# curl -# -O http://repo.openeuler.org/openEuler-20.03-LTS-SP3/update/x86_64/Packages/kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rpm --output kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rpm
或者
[root@localhost opt]# wget http://repo.openeuler.org/openEuler-20.03-LTS-SP3/update/x86_64/Packages/kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rpm
--2023-12-09 10:18:30-- http://repo.openeuler.org/openEuler-20.03-LTS-SP3/update/x86_64/Packages/kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rpm
Resolving repo.openeuler.org (repo.openeuler.org)... 49.0.230.196
Connecting to repo.openeuler.org (repo.openeuler.org)|49.0.230.196|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 44442120 (42M) [application/x-redhat-package-manager]
Saving to: ‘kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rpm’

kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rp 100%[========================================================================================>] 42.38M 44.5KB/s in 15m 2s

2023-12-09 10:33:32 (48.1 KB/s) - ‘kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rpm’ saved [44442120/44442120]

[root@localhost opt]#
[root@localhost opt]# more /etc/os-release
NAME="openEuler"
VERSION="20.03 (LTS-SP3)"
ID="openEuler"
VERSION_ID="20.03"
PRETTY_NAME="openEuler 20.03 (LTS-SP3)"
ANSI_COLOR="0;31"

[root@localhost ~]# uname -r
4.19.90-2112.8.0.0131.oe1.x86_64
[root@localhost ~]# awk -F\' '$1=="menuentry " {print i++ " : " $2}' /etc/grub2-efi.cfg
0 : openEuler (4.19.90-2112.8.0.0131.oe1.x86_64) 20.03 (LTS-SP3)
1 : openEuler (0-rescue-1cdbb66cf8f8450b8345d313a329ea00) 20.03 (LTS-SP3)
[root@localhost ~]# cd /opt/
[root@localhost opt]# rpm -ivh kernel-4.19.90-2312.1.0.0229.oe1.x86_64.rpm
Verifying...                          ################################# [100%]
Preparing...                          ################################# [100%]
Updating / installing...
   1:kernel-4.19.90-2312.1.0.0229.oe1 ################################# [100%]
[root@localhost opt]# awk -F\' '$1=="menuentry " {print i++ " : " $2}' /etc/grub2-efi.cfg
0 : openEuler (4.19.90-2312.1.0.0229.oe1.x86_64) 20.03 (LTS-SP3)
1 : openEuler (4.19.90-2112.8.0.0131.oe1.x86_64) 20.03 (LTS-SP3)
2 : openEuler (0-rescue-1cdbb66cf8f8450b8345d313a329ea00) 20.03 (LTS-SP3)
[root@localhost opt]#