diff --git a/content/en/docs/ApplicationDev/preparation.md b/content/en/docs/ApplicationDev/preparation.md
index 6c2f860ad3dd139cb1dc2c9f7c7416d7d035a601..57b36f53bb3ed963230f2fa6dd2e5b23a12b1245 100644
--- a/content/en/docs/ApplicationDev/preparation.md
+++ b/content/en/docs/ApplicationDev/preparation.md
@@ -117,7 +117,7 @@
The openEuler OS is required.
-For details about how to install the openEuler OS, see the \[*openEuler 20.03 LTS Installation Guide*\](../Installation/Installation.html ). On the **SOFTWARE SELECTION** page, select **Development Tools** in the **Add-Ons for Selected Environment** area.
+For details about how to install the openEuler OS, see the \[*openEuler 20.09 Installation Guide*\](../Installation/Installation.html ). On the **SOFTWARE SELECTION** page, select **Development Tools** in the **Add-Ons for Selected Environment** area.
## Configuring a Repo Source
@@ -133,13 +133,13 @@ Configure an online yum source by directly obtaining the online openEuler repo s
```
$ cd /etc/yum.repos.d
$ ls
- openEuler_aarch64.repo
+ openEuler.repo
```
2. Edit the **openEuler\_aarch64.repo** file as the **root** user. Configure the online openEuler repo source as the yum source.
```
- # vi openEuler_aarch64.repo
+ # vi openEuler.repo
```
Edit the **openEuler\_aarch64.repo** file as follows:
@@ -148,13 +148,10 @@ Configure an online yum source by directly obtaining the online openEuler repo s
[osrepo]
name=osrepo
-
- baseurl=http://repo.openeuler.org/openEuler-20.03-LTS/OS/aarch64/
-
+ baseurl=http://repo.openeuler.org/openEuler-20.09/OS/aarch64/
enabled=1
-
gpgcheck=1
- gpgkey=http://repo.openeuler.org/openEuler-20.03-LTS/OS/aarch64/RPM-GPG-KEY-openEuler
+ gpgkey=http://repo.openeuler.org/openEuler-20.09/OS/aarch64/RPM-GPG-KEY-openEuler
```
****
@@ -173,7 +170,7 @@ Configure an online yum source by directly obtaining the online openEuler repo s
### Configuring a Repo Source by Mounting an ISO File
>  ********NOTE:********
-> openEuler provides multiple ISO release packages. For details about each ISO release package, see [System Installation](../Releasenotes/installing-the-os.html). This section uses the **openEuler-20.03-LTS-aarch64-dvd.iso** file and **openEuler-20.03-LTS-aarch64-dvd.iso.sha256sum** verification file as examples. Modify them based on the actual requirements.
+> openEuler provides multiple ISO release packages. For details about each ISO release package, see [System Installation](../Releasenotes/installing-the-os.html). This section uses the **openEuler-20.09-aarch64-dvd.iso** file and **openEuler-20.09-aarch64-dvd.iso.sha256sum** verification file as examples. Modify them based on the actual requirements.
1. Download the ISO release package.
@@ -185,7 +182,7 @@ Configure an online yum source by directly obtaining the online openEuler repo s
3. Click the link provided after **Download ISO**. The download list is displayed.
- 4. Select the version to be downloaded, for example, openEuler 20.03 LTS. Then, click **openEuler-20.03-LTS**. The download list is displayed.
+ 4. Select the version to be downloaded, for example, openEuler 20.09. Then, click **openEuler-20.09**. The download list is displayed.
5. Click **ISO**. The ISO download list is displayed.
@@ -195,9 +192,9 @@ Configure an online yum source by directly obtaining the online openEuler repo s
6. Click **aarch64**.
- 7. Click **openEuler-20.03-LTS-aarch64-dvd.iso** to download the openEuler release package to the local host.
+ 7. Click **openEuler-20.09-aarch64-dvd.iso** to download the openEuler release package to the local host.
- 8. Click **openEuler-20.03-LTS-aarch64-dvd.iso.sha256sum** to download the openEuler verification file to the local host.
+ 8. Click **openEuler-20.09-aarch64-dvd.iso.sha256sum** to download the openEuler verification file to the local host.
9. Log in to the openEuler OS and create a directory for storing the release package and verification file, for example, ~/iso\*\*.
@@ -215,7 +212,7 @@ Configure an online yum source by directly obtaining the online openEuler repo s
3. Click the link provided after **Download ISO**. The download list is displayed.
- 4. Select the version to be downloaded, for example, openEuler 20.03 LTS. Then, click **openEuler-20.03-LTS**. The download list is displayed.
+ 4. Select the version to be downloaded, for example, openEuler 20.09. Then, click **openEuler-20.09**. The download list is displayed.
5. Click **ISO**. The ISO download list is displayed.
@@ -225,9 +222,9 @@ Configure an online yum source by directly obtaining the online openEuler repo s
6. Click **aarch64**.
- 7. Right-click **openEuler-20.03-LTS-aarch64-dvd.iso** and choose **Copy URL** from the shortcut menu to copy the address of the openEuler release package.
+ 7. Right-click **openEuler-20.09-aarch64-dvd.iso** and choose **Copy URL** from the shortcut menu to copy the address of the openEuler release package.
- 8. Right-click **openEuler-20.03-LTS-aarch64-dvd.iso.sha256sum** and choose **Copy URL** from the shortcut menu to copy the address of the openEuler verification file.
+ 8. Right-click **openEuler-20.09-aarch64-dvd.iso.sha256sum** and choose **Copy URL** from the shortcut menu to copy the address of the openEuler verification file.
9. Log in to the openEuler OS, create a directory (for example, **~/iso**) for storing the release package and verification file, and switch to the directory.
@@ -248,13 +245,13 @@ Configure an online yum source by directly obtaining the online openEuler repo s
1. Obtain the verification value in the verification file.
```
- $ cat openEuler-20.03-LTS-aarch64-dvd.iso.sha256sum
+ $ cat openEuler-20.09-aarch64-dvd.iso.sha256sum
```
2. Calculate the SHA256 verification value of the openEuler release package.
```
- $ sha256sum openEuler-20.03-LTS-aarch64-dvd.iso
+ $ sha256sum openEuler-20.09-aarch64-dvd.iso
```
After the command is run, the verification value is displayed.
@@ -270,7 +267,7 @@ Configure an online yum source by directly obtaining the online openEuler repo s
The following is an example:
```
- # mount /home/iso/openEuler-20.03-LTS-aarch64-dvd.iso /mnt/
+ # mount /home/iso/openEuler-20.09-aarch64-dvd.iso /mnt/
```
The mounted **mnt** directory is as follows:
@@ -294,28 +291,24 @@ Configure an online yum source by directly obtaining the online openEuler repo s
```
$ cd /etc/yum.repos.d
$ ls
- openEuler_aarch64.repo
+ openEuler.repo
```
6. Edit the **openEuler\_aarch64.repo** file as the **root** user. Configure the local openEuler repo source created in step [3](#li6236932222) as the yum source.
```
- # vi openEuler_aarch64.repo
+ # vi openEuler.repo
```
Edit the **openEuler\_aarch64.repo** file as follows:
```
- [localosrepo]
-
+ [localosrepo]
name=localosrepo
-
baseurl=file:///mnt
-
enabled=1
-
gpgcheck=1
- gpgkey=file:///mnt/RPM-GPG-KEY-openEuler
+ gpgkey=file:///mnt/RPM-GPG-KEY-openEuler
```
## Installing the Software Package