linux agents which are course hero

by Prof. Jacklyn Auer V 4 min read

What is a Linux agent?

What is mkfs.x in Linux?

What is provisioning enabled in Ubuntu?

What happens if you set root password in /etc/shadow?

What is deprovision+user?

What is putty.exe used for?

What is a waagent daemon?

See 4 more

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How to install Azure VM agent on Linux [English]

Azure Virtual Machines use a lightweight process that manages the interaction with the Azure Fabric Controller, has a fundamental role in enabling and executing virtual machine extensions. This extension also enables administrative features such as resetting a password of a VM user. Another key point is to work with post-deployment configurations like software installation and configuration or ...

How to install the Azure linux agent (waagent) via CLI on a VM

I am creating a VM from a disk. But, I am unable to give the credentials to this VM such as Username and Password. az vm create --resource-group RESOURCE-GRP-NAME --location eastus --name VM-NAME --os-type linux --attach-os-disk DISK-NAME

Disable or remove the provisioning agent - Azure Virtual Machines

Disable at the control plane. If you are not sure whether you will need extensions in the future, you can leave the Linux Agent installed on the VM, then disable extension processing capability from the platform.

Azure Virtual Machine Agent Overview - Azure Virtual Machines

In this article. The Microsoft Azure Virtual Machine Agent (VM Agent) is a secure, lightweight process that manages virtual machine (VM) interaction with the Azure Fabric Controller.

Microsoft Azure Linux Agent (waagent) upgrade on CloudGuard VMs

For previous revision history, contact Check Point Support. How to update the waagent to the latest version. Note: The update procedure is supported on R80.30 and above versions of CloudGuard for Azure. See sk132192 for more information about CloudGuard for Azure versions.. 1. Log in to the Check Point CloudGuard IaaS Virtual Machine deployed in Azure via ssh.

What is a Linux agent?

The Microsoft Azure Linux Agent (waagent) manages Linux & FreeBSD provisioning, and VM interaction with the Azure Fabric Controller. In addition to the Linux Agent providing provisioning functionality, Azure also provides the option of using cloud-init for some Linux OSes. The Linux Agent provides the following functionality for Linux and FreeBSD IaaS deployments:

What is a waagent daemon?

daemon: Run waagent as a daemon to manage interaction with the platform. This argument is specified to waagent in the waagent init script.

What is mkfs.x in Linux?

This specifies the filesystem type for the resource disk. Supported values vary by Linux distribution. If the string is X, then mkfs.X should be present on the Linux image. SLES 11 images should typically use 'ext3'. FreeBSD images should use 'ufs2' here.

What happens if you set root password in /etc/shadow?

If set, the root password in the /etc/shadow file is erased during the provisioning process.

What is deprovision+user?

deprovision+user: Performs everything in -deprovision (above) and also deletes the last provisioned user account (obtained from /var/lib/waagent) and associated data. This parameter is when de-provisioning an image that was previously provisioning on Azure so it may be captured and reused.

What is putty.exe used for?

"putty.exe" on Windows does not support "ecdsa". So, if you intend to use putty.exe on Windows to connect to a Linux deployment, use "rsa" or "d sa".

What are the three configuration options?

The following various configuration options are described. Configuration options are of three types; Boolean, String, or Integer. The Boo lean configuration options can be specified as "y" or "n". The special keyword "None" may be used for some string type configuration entries as the following details:

What is the best introduction book for Linux kernel development?

Robot Love’s Linux Kernel Development is the best introduction book for Kernel development. It will give you a good big picture of the Kernel.

What is Linux internals?

Learn system fundamentals and internals. Linux is an open-source project, maintained by thousands of developers around the world. There are many good books and resources about Linux internals, which will help you much with the learning operation system. Linux learn guide.

How many Linux distributions are there?

There are about ten commonly used Linux distributions. Anyone of the top 5 will be OK. Choose mainstream distributions, such as Ubuntu, Centos, etc. It is easier to solve problems when encountering problems.

What is the best field for system programming?

Networking is another relevant field for system programming, Unix Network Programming will be your best choice.

What is the toolchain in a developer?

Most of the time, your toolchain is a set of various little tools, and you need to run them and combine them in a shell. You need to learn: How to write a code in an editor, commonly editor should be Vim/Emacs and VScode.

What are the different types of application development?

There are various kinds of application development, including Web application, desktop GUI application, command line, or application for multiple tasks and computing.

What programming language do I need to learn for IoT?

Learn system programming API and low-level programming. With the trend of IoT, there is more software involving low-level programming, coding with standard C/C++ is a requirement for this kind of task. This kind of development usually needs proficient skills with Linux.

What is Linux course?

Linux Course consists of Basic Concepts and Installation, File System Management, User Management, Run Levels, Network File System (NFS), File Transfer Protocol, XINETD, TCP Wrapper, Domain Name Service, Logical Volume Manager, Package Manager (RPM), Backup & Recovery, Network Information Service, DHCP, APACHE, SAMBA, SQUID, Raid Levels.Completing this particular course can help you build a solid foundations in Linux. With the application of these skills, it is easy to perform the operational tasks of Linux, even if the system is a Linux machine or even a remote system.

How to become a certified Linux administrator?

To start as a certified Linux administrator, a bachelor’s degree in a relevant field could help you to stand eligible for the Linux course. However, it is not mandatory. All you need is an open-mind and as well as curiosity for the IT field. Career opportunities and payout: US Bureau of Labor Statistics (BLS) estimated that the demand for the Linux administrators/engineers would almost be doubled by the year 2028! The industry is vast and you can definitely make a place for yourself! You can advance to any of the following job roles after the completion of the Linux training:

Is Linux good for IT?

The growth of the IT infrastructures and the personalized requirements increase in the world with more and more IT sector companies emerging, Linux becomes the preferable answer as beneficially as possible. By the end of the course you will be well-versed with Linux Built in help & Basic Linux Principle, Vi Notes, Basic Commands, Basic File System, File Types, I/O Redirection, Text Processing Tool, Archive & Compression, Regex, Process Management, Process Scheduling, Bash Script, Storage Management, User Management, Network Management, Firewall Management

Is Linux a master?

Linux, being an operating software in the most basic understanding of its nature, Linux is still the overall master with its presence in all possibilities – from bare metal to virtual cloud and personalisation for all OS possibilities. The Linux online training provides some interactive, hands-on practical sessions and explains the Linux characteristics that are used to code, debug, and deploy Linux.

Is Linux an open source operating system?

Linux is one of the most reliable Unix-like computer Operating System (OS) consolidated under the model of free and an open-source software development and distribution, therefore, making it an editable Operating System. Introduced in the early 1990s, Linux manages and upkeeps everything from hardware like monitor, keyboard, other peripherals etc. to software applications as well. Linux is omnipresent. Right from your smartphone to your AC remote control, everything is contained by a Linux operating system. Hence, Linux forms the foundation of the working of every digital device. Linux certification puts your skillset for Linux into use and acknowledges your cognition when it comes to managing workloads over a digital system.

Do you stand eligible for the Linux course?

To start as a certified Linux administrator, a bachelor’s degree in a relevant field could help you to stand eligible for the Linux course. However, it is not mandatory. All you need is an open-mind and as well as curiosity for the IT field. Career opportunities and payout: US Bureau of Labor Statistics (BLS) estimated that the demand for the Linux administrators/engineers would almost be doubled by the year 2028! The industry is vast and you can definitely make a place for yourself! You can advance to any of the following job roles after the completion of the Linux training:

What is a Linux agent?

The Microsoft Azure Linux Agent (waagent) manages Linux & FreeBSD provisioning, and VM interaction with the Azure Fabric Controller. In addition to the Linux Agent providing provisioning functionality, Azure also provides the option of using cloud-init for some Linux OSes. The Linux Agent provides the following functionality for Linux and FreeBSD IaaS deployments:

What is mkfs.x in Linux?

This specifies the filesystem type for the resource disk. Supported values vary by Linux distribution. If the string is X, then mkfs.X should be present on the Linux image. SLES 11 images should typically use 'ext3'. FreeBSD images should use 'ufs2' here.

What is provisioning enabled in Ubuntu?

Provisioning.Enabled defaults to "n" on Ubuntu Cloud Images that use cloud-init to perform provisioning tasks.

What happens if you set root password in /etc/shadow?

If set, the root password in the /etc/shadow file is erased during the provisioning process.

What is deprovision+user?

deprovision+user: Performs everything in -deprovision (above) and also deletes the last provisioned user account (obtained from /var/lib/waagent) and associated data. This parameter is when de-provisioning an image that was previously provisioning on Azure so it may be captured and reused.

What is putty.exe used for?

"putty.exe" on Windows does not support "ecdsa". So, if you intend to use putty.exe on Windows to connect to a Linux deployment, use "rsa" or "d sa".

What is a waagent daemon?

daemon: Run waagent as a daemon to manage interaction with the platform. This argument is specified to waagent in the waagent init script.

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Communication

Requirements

  • The following systems have been tested and are known to work with the Azure Linux Agent: 1. CoreOS 2. CentOS 6.3+ 3. Red Hat Enterprise Linux 6.7+ 4. Debian 7.0+ 5. Ubuntu 12.04+ 6. openSUSE 12.3+ 7. SLES 11 SP3+ 8. Oracle Linux 6.4+ Other Supported Systems: 1. FreeBSD 10+ (Azure Linux Agent v2.0.10+) The Linux agent depends on some system packages...
See more on docs.microsoft.com

Installation

  • Installation using an RPM or a DEB package from your distribution's package repository is the preferred method of installing and upgrading the Azure Linux Agent. All the endorsed distribution providersintegrate the Azure Linux agent package into their images and repositories. Refer to the documentation in the Azure Linux Agent repo on GitHubfor advanced installation options, such a…
See more on docs.microsoft.com

Command-Line Options

  • Flags
    1. verbose: Increase verbosity of specified command 2. force: Skip interactive confirmation for some commands
  • Commands
    1. help: Lists the supported commands and flags. 2. deprovision: Attempt to clean the system and make it suitable for reprovisioning. The following operation deletes: 2.1. All SSH host keys (if Provisioning.RegenerateSshHostKeyPair is 'y' in the configuration file) 2.2. Nameserver configur…
See more on docs.microsoft.com

Configuration

  • A configuration file (/etc/waagent.conf) controls the actions of waagent.The following shows a sample configuration file: The following various configuration options are described. Configuration options are of three types; Boolean, String, or Integer. The Boolean configuration options can be specified as "y" or "n". The special keyword "None" may be used for some string ty…
See more on docs.microsoft.com

Ubuntu Cloud Images

  • Ubuntu Cloud Images utilize cloud-initto perform many configuration tasks that would otherwise be managed by the Azure Linux Agent. The following differences apply: 1. Provisioning.Enableddefaults to "n" on Ubuntu Cloud Images that use cloud-init to perform provisioning tasks. 2. The following configuration parameters have no effect on Ubuntu Cloud I…
See more on docs.microsoft.com