Use the Image Test Tool to Test the Image
Last Updated：2020-07-20
After the successful operations, download the image test tool to the operating system of image and carry out the test.
The test items are as follows:
| No. | Test Item | Note | Remarks | |
|---|---|---|---|---|
| 1 | VirtIO driver | Baidu AI Cloud supports the KVM virtualization technology, and KVM virtio driver needs to be installed to import the image of Baidu AI Cloud. | ||
| 2 | Password file privilege | The write privilege is required for the file | /etc/shadow. Using the command chattr to modify the shadow file privilege is disabled. | |
| 3 | SELinux | Import the image of Baidu AI Cloud platform. You need to set SELinux as disabled before import. | ||
| 4 | Network Configuration | 1. You need to set the network as the DHCP mode. 2. You need to empty the file 70-persistent-net.rules. | ||
| 5 | Service of SSH server | 1. It is recommended that you install openssh-server and enable the sshd service. 2. It is recommended that you allow the root user to log in to the server. | ||
| 6 | Firewall | To import the image of Baidu AI Cloud, you need to disable the firewall. | ||
| 7 | File system | The file system /ext2/ext3/ext4 is recommended. | The metadata_csum advanced feature of ext4 is not supported. | |
| 8 | Root user | The root user is retained. | ||
| 9 | Modifying password commands | The command passwd/chpasswd is retained. | ||
| 10 | Partition type | BCC supports the MBR partition type by default. | ||
| 11 | Logical volume (LVM2) | The LVM2 disk type is not supported. | ||
| 12 | cloud-init | It is recommended that you install cloud-init. | It is used to set hostname. | |
| 13 | Disk ID | It is recommended that you mount/partition the disk with the disk UUID. | ||
| 14 | Disk size | BCC supports up to 500 GB of system disk. It is recommended that your system partition size does not exceed 500 GB. |
Download the test tool to your system. At present, the following Linux distributions are supported only:
CentOS: Download
Ubuntu (ubuntu18 not supported): Download
Debian: [Download](https://doc.bce.baidu.com/bce-documentation/BCC/check_debian)
openSUSE: Download
FreeBSD: Download
Add the executable privilege for the test tool (taking CentOS as an example).
# chmod +x check_centos
# ./check_centosExample of running results:
-------------------------------------------------------
Distro: centos
Version: 6.3
-------------------------------------------------------
[ check virtio driver ] [ OK ]
[ check /etc/shadow ] [ OK ]
[ check selinux ] [ OK ]
[ check network config ] [ERROR]
[ check sshd service ] [WARING]
[ check firewall ] [ERROR]
[ check file system ] [ OK ]
[ check root ] [ OK ]
[ check passwd command ] [ OK ]
[ check disk partition ] [ERROR]
[ check LVM ] [ OK ]
[ check cloud-init ] [WARING]
[ check disk uuid ] [ERROR]
[ check disk size ] [ERROR]
-------------------------------------------------------
There are 2 warning(s), 5 error(s).
The reslult file is: centos_check_result_20190328221931.txt
Please check result file for the error/warning informations.
-------------------------------------------------------