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Docker Desktop delivers the speed, choice and security you need for designing and delivering these containerized applications on your desktop. Docker Desktop includes Developer tools, Kubernetes and version synchronization to production Docker Engines. Docker Desktop allows you to leverage certified images and templates and your choice of languages and tools. Development workflows leverage Docker Hub to extend your development environment to a secure repository for rapid auto-building, continuous integration and secure collaboration.


Many of the world's biggest PC manufacturers certify their laptops and desktops for Ubuntu, from ultra-portable laptops to high-end workstations. Ubuntu certified hardware has passed our extensive testing and review process, ensuring that Ubuntu runs well out-of-the-box. Our partners also offer select devices preloaded with optimised Ubuntu images.

The Microsoft Remote Desktop client is used to connect to Azure Virtual Desktop to access your desktops and applications. This article shows you how to connect to Azure Virtual Desktop with the Remote Desktop client for Windows.

A workspace combines all the desktops and applications that have been made available to you by your admin. To be able to see these in the Remote Desktop client, you need to subscribe to the workspace by following these steps:

If you selected Subscribe, sign in with your user account when prompted, for example After a few seconds, your workspaces should show the desktops and applications that have been made available to you by your admin.

Both the KDE and GNOME desktop environments have adopted a similar format for "desktop entries", or configuration files describing how a particular program is to be launched, how it appears in menus, etc. It is to the larger community's benefit that a unified standard be agreed upon by all parties such that interoperation between the two environments, and indeed any additional environments that implement the specification, becomes simpler.

Desktop entry files should have the .desktop extension, except for files of Type Directory which should have the .directory extension. Determining file type on basis of extension makes determining the file type very easy and quick. When no file extension is present, the desktop system should fall back to recognition via "magic detection".

For applications, the part of the name of the desktop file before the .desktop extension should be a valid D-Bus well-known name. This means that it is a sequence of non-empty elements separated by dots (U+002E FULL STOP), none of which starts with a digit, and each of which contains only characters from the set [A-Za-z0-9-_]: ASCII letters, digits, dash (U+002D HYPHEN-MINUS) and underscore (U+005F LOW LINE).

The name of the desktop entry should follow the "reverse DNS" convention: it should start with a reversed DNS domain name controlled by the author of the application, in lower case. The domain name should be followed by the name of the application, which is conventionally written with words run together and initial capital letters (CamelCase). For example, if the owner of writes "Foo Viewer", they might choose the name org.example.FooViewer, resulting in a file named org.example.FooViewer.desktop.

If the author's domain name contains a label starting with a digit, (which is not allowed in D-Bus well-known names), prepending an underscore to that element of the desktop entry name is recommended. For example, might release an application named org._7_zip.Archiver.

For example, if $XDG_DATA_DIRS contains the default paths /usr/local/share:/usr/share, then /usr/local/share/applications/ and /usr/share/applications/ both have the same desktop file ID, but only the first one will be used.

Compliant implementations MUST not remove any fields from the file, even if they don't support them. Such fields must be maintained in a list somewhere, and if the file is "rewritten", they will be included. This ensures that any desktop-specific extensions will be preserved even if another system accesses and changes the file.

The basic format of the desktop entry file requires that there bea group header named Desktop Entry. There maybe other groups present in the file, but this is the mostimportant group which explicitly needs to be supported. Thisgroup should also be used as the "magic key" for automatic MIMEtype detection. There should be nothing preceding this group inthe desktop entry file but possibly one or more comments.

When reading in the desktop entry file, the value of the key is selected by matching the current POSIX locale for the LC_MESSAGES category against the LOCALE postfixes of all occurrences of the key, with the .ENCODING part stripped.

If $XDG_CURRENT_DESKTOP is set then it contains a colon-separated list of strings. In order, each string is considered. If a matching entry is found in OnlyShowIn then the desktop file is shown. If an entry is found in NotShowIn then the desktop file is not shown. If none of the strings match then the default action is taken (as above).

The Exec key must contain a command line. A command line consists of an executable program optionally followed by one or more arguments. The executable program can either be specified with its full path or with the name of the executable only. If no full path is provided the executable is looked up in the $PATH environment variable used by the desktop environment. The name or path of the executable program may not contain the equal sign ("="). Arguments are separated by a space.

Note that the general escape rule for values of type string states that the backslash character can be escaped as ("\\") as well and that this escape rule is applied before the quoting rule. As such, to unambiguously represent a literal backslash character in a quoted argument in a desktop entry file requires the use of four successive backslash characters ("\\\\"). Likewise, a literal dollar sign in a quoted argument in a desktop entry file is unambiguously represented with ("\\$").

The application must name its desktop file in accordance with the naming recommendations in the introduction section (e.g. the filename must be like org.example.FooViewer.desktop). The application must have a D-Bus service activatable at the well-known name that is equal to the desktop file name with the .desktop portion removed (for our example, org.example.FooViewer). The above interface must be implemented at an object path determined as follows: starting with the well-known D-Bus name of the application, change all dots to slashes and prefix a slash. If a dash ('-') is found, convert it to an underscore ('_'). For our example, this is /org/example/FooViewer.

if the interface wishes to allow for details about the implementation, it should do so by specifying that implementers add a group in their desktop file with the same name as the interface (eg: "[org.freedesktop.ImageAcquire]")

It is not expected that other desktop components showing application lists (software installers, for instance) will provide any user interface for these actions. Therefore applications must only include actions that make sense as general launchers.

Deprecated Exec field codes: %m (the mini-icon associated with the desktop entry, this should be expanded as two arguments, --miniicon and the content of the MiniIcon key, it can also be ignored by expanding it to no arguments), %v (the device as listed in the Dev key in the desktop file), %d (the directory of a file), %D (the directories of files), %n (the base name of a file) and %N (the base names of files).

Historically some booleans have been represented by the numeric entries 0 or 1. With this version of the standard they are now to be represented as a boolean string. However, if an implementation is reading a pre-1.0 desktop entry, it should interpret 0 and 1 as false and true, respectively.

Historically lists have been comma separated. This is inconsistent with other lists which are separated by a semicolon. When reading a pre-1.0 desktop entry, comma separated lists should continue to be supported.

The Legacy-Mixed encoding corresponds to the traditional encoding of desktop files in older versions of the GNOME and KDE desktop files. In this encoding, the encoding of each localestring key is determined by the locale tag for that key, if any, instead of being UTF-8. For keys without a locale tag, the value must contain only ASCII characters.

The name given here is listed here is typically the canonical name for the encoding in the GNU C Library's iconv facility. Encodings marked with (*) are not currently supported by the GNU C Library; for this reason, implementations may choose to ignore lines in desktop files that resolve to this encoding. Desktop files with these encodings are currently rare or non-existent.

This table above covers all tags and encodings that are known to be currently in use. Implementors may choose to support encodings not in the above set. For tags without defaults listed in the above table, desktop file creators must specify the .ENCODING part of the locale tag.

In addition to our Android and iPhone/iPad mobile client apps, Pushover can now deliver notifications right to your desktop with our web-based application. By having our web client open in your Google Chrome, Mozilla Firefox, or Apple Safari web browser1, you'll receive popup notifications on your desktop just like your mobile devices.

For users of macOS 10.9 (Mavericks) or higher, you can can even get push notifications delivered to your desktop, lock screen, and Notification Center without needing any web browser to be open (requires initial registration through the Safari web browser).

1. Pushover for Desktop is a web-based application that must remain open in your web browser to receive notifications. Requires Google Chrome (version >= 22), Mozilla Firefox (version >= 22), or Apple Safari (version >= 7). macOS receiving notifications directly through macOS are not required to keep a web browser open. 2. Browsers must be primarily operated by the individual owner of the Pushover account. Users are limited to 10 devices (including mobile and desktop) per account. 041b061a72


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