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MindX Edge V100R020C10 Dual Backup (HA) User Guide 01
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Installation by Using the CLI

Installation by Using the CLI

Use the CLI to install the HA software on a single server.

Preparing the Environment

Before installing the HA software, ensure that the dependencies listed in Table 6-1 to be installed have been installed in the installation environment. Otherwise, the HA software may fail to be installed.

  • Before installing the dependencies, ensure that the installation environment is connected to the network and that sources are available.
  • Before installing the dependencies, check whether they have been installed based on the Description column in the following table. If the dependencies have been installed, you do not need to install them again. Otherwise, install them based on the Installation Command or Procedure column in the following table.
Table 6-1 Dependencies to be installed

Dependency

Description

Installation Command or Procedure

sudo

Run the sudo command to check whether sudo has been installed. If the sudo command exists, sudo has been installed.
  • For Ubuntu, run the following command:

    apt install sudo

  • For EulerOS or CentOS, run the following command:

    yum install sudo

Docker

Run the docker command to check whether the Docker has been installed. If the docker command exists, Docker has been installed.
  • For Ubuntu, run the following command:

    apt install docker.io

  • For EulerOS or CentOS, run the following command:

    sudo yum install docker

NOTICE:

After installing Docker, you can add --userns-remap=default and --default-ulimit nofile=20480:40960 --default-ulimit nproc=1024:2048 after ExecStart=/usr/bin/dockerd in the /usr/lib/systemd/system/docker.service to enable the user namespace and file handle, and set the maximum number of fork processes for the container. You can add security configurations for other Docker daemons as required.

arping

Run the arping command to check whether arping has been installed. If the arping command exists, arping has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install arping

  • For EulerOS or CentOS, run the following command:

    sudo yum install iputils

inotifywait

Run the inotifywait command to check whether inotifywait has been installed. If the inotifywait command exists, inotifywait has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install inotify-tools

  • For EulerOS or CentOS, run the following command:

    sudo yum install inotify-tools

NOTICE:
  • In CentOS, if the error message No package inotify-tools available is displayed when you install inotifywait, you need to install the Linux extension package of the enterprise edition and then reinstall it. Run the following command to install the extension package:
    sudo yum install epel-release
  • If the Unable to find a match error is reported when you run the preceding command to install inotifywait in EulerOS, perform the following steps to install inotifywait offline:
    1. Obtain the software package inotify-tools-3.14-9.el7.aarch64.rpm and upload it to a directory (for example, /home) on the server. Click here to download the software package.
    2. Go to the directory where the software package is stored, and run the following command to decompress the software package:
      cd /home
rpm2cpio inotify-tools-3.14-9.el7.aarch64.rpm | cpio -idm
    3. Run the following command to modify the permission on the usr directory.
      chmod -R 755 /home/usr/
    4. Copy the content in the usr folder to the /usr directory.
      cp -arf /home/usr/* /usr/
    5. Run the following command to check whether inotifywait is successfully installed:
      inotifywait
      If information similar to the following is displayed, inotifywait is successfully installed:
      [root@localhost ~]# inotifywait
No files specified to watch!

gzip

Run the gzip command to check whether gzip has been installed. If the gzip command exists, gzip has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install gzip

  • For EulerOS or CentOS, run the following command:

    sudo yum install gzip

OpenSSL

Run the openssl command to check whether OpenSSL has been installed. If the openssl command exists, OpenSSL has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install openssl

  • For EulerOS or CentOS, run the following command:

    sudo yum install openssl

systemctl

systemd-run

Run the systemctl command to check whether systemctl has been installed. If the systemctl command exists, systemctl has been installed.

Run the systemd-run command to check whether systemd-run has been installed. If the systemd-run command exists, systemd-run has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install systemd

  • For EulerOS or CentOS, run the following command:

    sudo yum install systemd

getconf

Run the getconf command to check whether getconf has been installed. If the getconf command exists, getconf has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install libc-bin

  • For EulerOS or CentOS, run the following command:

    sudo yum install glibc-common

Expect

Run the expect command to check whether Expect has been installed. If the expect command exists, Expect has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install expect

  • For EulerOS or CentOS, run the following command:

    sudo yum install expect

iptables

Run the iptables command to check whether iptables has been installed. If the iptables command exists, iptables has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install iptables

  • For EulerOS or CentOS, run the following command:

    sudo yum install iptables

Ethtool

Run the ethtool command to check whether Ethtool has been installed. If the ethtool command exists, Ethtool has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install ethtool

  • For EulerOS or CentOS, run the following command:

    sudo yum install ethtool

sed

Run the sed command to check whether sed has been installed. If the sed command exists, sed has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install sed

  • For EulerOS or CentOS, run the following command:

    sudo yum install sed

find

Run the find command to check whether find has been installed. If the find command exists, find has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install findutils

  • For EulerOS or CentOS, run the following command:

    sudo yum install findutils

grep

Run the grep command to check whether grep has been installed. If the grep command exists, grep has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install grep

  • For EulerOS or CentOS, run the following command:

    sudo yum install grep

awk

Run the awk command to check whether awk has been installed. If the awk command exists, awk has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install gawk

  • For EulerOS or CentOS, run the following command:

    sudo yum install gawk

mount

Run the mount command to check whether mount has been installed. If the mount command exists, mount has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install mount

  • For EulerOS or CentOS, run the following command:

    sudo yum install util-linux

tar

Run the tar command to check whether tar has been installed. If the tar command exists, tar has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install tar

  • For EulerOS or CentOS, run the following command:

    sudo yum install tar

Python

Run the python3 command to check whether Python has been installed. If version information is displayed, Python has been installed. Check whether the Python version is 3.6.0 or later. If Python is not installed or the version is not 3.6.0 or later, install or upgrade Python.
  • For Ubuntu, run the following command:

    sudo apt-get install python3

  • For EulerOS or CentOS, run the following command:

    sudo yum install python3

NOTE:

Before installing Python using the source code package, you need to compile and install zlib first.

unzip

Run the unzip command to check whether tar has been installed. If the unzip command exists, tar has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install unzip

  • For EulerOS or CentOS, run the following command:

    sudo yum install unzip

ifconfig

Run the ifconfig command to check whether tar has been installed. If the ifconfig command exists, tar has been installed.
  • For Ubuntu, run the following command:

    sudo apt-get install net-tools

  • For EulerOS or CentOS, run the following command:

    sudo yum install net-tools

flask

requests

Flask and requests are dependency libraries required by the external RESTful interface of AtlasEdge.
  1. Install pip.
    • For Ubuntu, run the following command:

      sudo apt-get install python3-pip

    • For EulerOS or CentOS, run the following command:

      sudo yum install python3-pip

  2. Run the pip3 install flask command to install the Flask dependency library.
  3. Run the pip3 install requests command to install the requests dependency library.

For open-source third-party software installed, such as Python and Flask, visit the CVE official website to check for known vulnerabilities, and fix the vulnerabilities.

Obtaining Software Packages

Before installing the software, obtain the software packages and digital signature files listed in the following table.
Table 6-2 Obtaining Software Packages

Software Packages

Description

How to Obtain

Ascend-mindxedge-ha_{version}_linux-{arch}.zip

HA software package is used for active/standby two-node cluster protection to ensure service application reliability.

Link

{version} indicates the package version and {arch} indicates the CPU architecture. You need to obtain the software package as required.

Installing Software

  1. Log in to the installation environment as the installation user of the software package.
  2. Run the su command and enter the password of the root user to switch to the root user.
  3. Upload the HA software package obtained in Obtaining Software Packages to a directory on the server.
  4. (Optional) Run the following command to create the installation path of the HA software:

    mkdir -p /home/work

    In the command, /home/work is the installation path. This path is only an example and can vary with the actual configurations. If you do not specify the installation path, the software is installed in the current path by default.

  5. Run the following command in the directory where the software package is stored to decompress the software package:

    unzip Ascend-mindxedge-ha_{version}_linux-{arch}.zip

    In the command, Ascend-mindxedge-ha_{version}_linux-{arch}.zip indicates the software version.

    The decompressed files include the following:
    • Installation package: Ascend-mindxedge-ha_{version}_linux-{arch}.tar.gz
    • CMS file: Ascend-mindxedge-ha_{version}_linux-{arch}.tar.gz.cms
    • Certificate revocation list: Ascend-mindxedge-ha_{version}_linux-{arch}.tar.gz.crl

    The CMS file and CRL are used to verify software packages. The software package verification is performed only during the upgrade, and is not performed during the installation. If the verification fails, the system displays a message indicating that the upgrade fails.

  6. Run the following command to decompress the software package decompressed in 5:

    tar -mxvf Ascend-mindxedge-ha_{version}_linux-{arch}.tar.gz

  7. Run the following command to install the software package:

    • If you have specified the installation path, run the ./install.sh -p /home/work command.
    • If you have not specified the installation path, run the ./install.sh command.

    After the installation is successful, the HA software is deployed in the installation path/ha directory, for example, /home/work/ha.

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Updated: 2021-03-22

Document ID: EDOC1100165407

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