According to the Filesystem Hierarchy Standard, /opt is for "the installation of add-on application software packages". /usr/local is "for use by the system administrator when installing software locally". These use cases seem pretty similar. Software not included with distributions usually is configured by default to install in either /usr/local or /opt with no particular rhyme or reason as to which they chose.
Linux Software Installation, Part I: My Position
All files under /usr are shareable between OS instances, although this is rarely done with Linux. This is a part where the FHS is slightly self-contradictory, as /usr is defined to be read-only, but /usr/local/bin needs to be read-write for local installation of software to succeed. The SVR4 file system standard, which was the FHS' main source of inspiration, is recommending to avoid /usr/local and use /opt/local instead to overcome this issue.
On the other hand, /opt is a directory for installing unbundled packages (i.e. packages not part of the Operating System distribution, but provided by an independent source), each one in its own subdirectory. They are already built whole packages provided by an independent third party software distributor. Unlike /usr/local stuff, these packages follow the directory conventions (or at least they should). For example, someapp would be installed in /opt/someapp, with one of its command being /opt/someapp/bin/foo, its configuration file would be in /etc/opt/someapp/foo.conf, and its log files in /var/opt/someapp/logs/foo.access.
If you create a database during the software installation, then most installation types configure and start a default Oracle Net listener using TCP/IP port 1521 and the IPC key value EXTPROC. If an existing Oracle Net listener process is using the same port or key value, Oracle Universal Installer looks for the next available port (for example, 1522) and configures and starts the new listener on this available port.
If you have had an existing installation on your system, and you are using the same user account to install this installation, then unset the ORACLE_HOME, ORACLE_BASE, ORACLE_SID, TNS_ADMIN environment variables and any other environment variable set for the Oracle installation user that is connected with Oracle software homes.
In Other options, you will be prompted to download updates as well as third-party software that may improve device support and performance (for example, Nvidia graphics drivers) during the installation. It is recommended to check both of these boxes.
As part of the agent installation, the Volume Shadow Copy Service (VSS) provider for Azure Site Recovery is installed. The VSS provider is used to generate application-consistent recovery points. If installation of the VSS provider fails, this step is skipped and the agent installation continues.
Additionally, please be mindful that the REDCap consortium help resources provide extensive guidance and assistance for installing REDCap and are not focused on providing help installing the required software listed above. Consult your local IT department or online documentation for guidance installing the dependencies described above.
It will help hugely, regardless of your deployment choices, if time is taken to understand how to configure the different parts of your software stack (HTTP daemon, database, PHP etc.). Do not expect the standard server configuration to be optimal for Moodle. For example, the web server and database servers will almost certainly require tuning to get the best out of Moodle.
Installation (or setup) of a computer program (including device drivers and plugins), is the act of making the program ready for execution. Installation refers to the particular configuration of a software or hardware with a view to making it usable with the computer. A soft or digital copy of the piece of software (program) is needed to install it. There are different processes of installing a piece of software (program). Because the process varies for each program and each computer, programs (including operating systems) often come with an installer, a specialised program responsible for doing whatever is needed (see below) for the installation. Installation may be part of a larger software deployment process.[1]
Some installers may attempt to trick users into installing junkware such as various forms of adware, toolbars, trialware or software of partnering companies.[2] To prevent this, extra caution on what exactly is being asked to be installed is needed. The installation of additional software then can simply be skipped or unchecked (this may require the user to use the "custom", "detailed" or "expert" version of the installation procedure).[2]Such malicious conduct is not necessarily a decision by the software developers or their company but can also be an issue of external installers such as the Download.com installer by CNET.[3]
A custom installation allows the installer to choose to select components or parts that are required to be installed.This is sometimes preferred as opposed to installing the full suite of software components. Some situations that requirethe need for a custom install might be where only the basic components are required which are smaller in size instead of thefull components which may take up too much hard drive space.
Network installation, shortened netinstall, is an installation of a program from a shared network resource that may be done by installing a minimal system before proceeding to download further packages over the network. This may simply be a copy of the original media but software publishers which offer site licenses for institutional customers may provide a version intended for installation over a network.
macOS includes Installer, a native package manager. macOS also includes a separate software updating application, Software Update but only supports Apple and system software. Included in the dock as of 10.6.6, the Mac App Store shares many attributes with the successful App Store for iOS devices, such as a similar app approval process, the use of Apple ID for purchases, and automatic installation and updating. Although this is Apple's preferred delivery method for macOS,[7] previously purchased licenses can not be transferred to the Mac App Store for downloading or automatic updating. Commercial applications for macOS may also use a third-party installer, such as Mac version of Installer VISE (MindVision Software) or InstallerMaker (StuffIt).
To install a software package from the Extras Library, first confirm that the amazon-linux-extras repository is installed on your instance. Then, list the available software packages, enable the one you're looking for, and then install the package using yum.
When you compile software from source code (see Installing from Source), those install files are usually kept separate fromthose provided as part of your Linux distribution. That is what the/usr/local/ hierarchy is for.
Autonomous Health Framework (AHF) can be installed as the "root" user on the server, which provides the most functionality and allows it to run in a proactive manner as a daemon, or locally as the Oracle software owner. In this example we will perform a local installation, making it a reactive tool.
However, when you try to grab a package not present in the official software repositories, the package manager will display an error. In such situations, what you can do is manually add the third-party repository to your system and then download the package.
You won't find the add-apt-repository utility installed on your system by default. It is a part of the software-properties-common package. To install add-apt-repository using the APT package manager, type:
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pip3 is the official package manager and pip command for Python 3. It enables the installation and management of third party software packages with features and functionality not found in the Python standard library. Pip3 installs packages from PyPI (Python Package Index). 2ff7e9595c
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