Copy and paste in the DuoConnect connection strings you received from your Duo administrator into the end of your config file. SSH (Secure Shell). Connect with an SSH client on Windows using an SSH key. Ssh username@RACF-hostname In Windows SSH clients, there is typically a text box in which you type in your username. To get an SSH client onto Windows 10 or Windows Server 2019, without using 3 rd party software or installing Windows Subsystem for Linux, use the PowerShell command: Add-WindowsCapability -Online -Name OpenSSH.Client0.0.1.0 To add an SSH client and SSH server to Windows Server 2019, use the following PowerShell commands. If you use SSH to connect to remote systems, more often than once in a year, you definitely need help handling all the configs. SSH Config Editor is a wonderful tool to keep your OpenSSH client configurations and known-hosts files under control. Manage identities, port forwarding, and other options within one coherent interface.
Project files contain all the information required by qmake to build your application, library, or plugin. Generally, you use a series of declarations to specify the resources in the project, but support for simple programming constructs enables you to describe different build processes for different platforms and environments.
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Project File Elements
The project file format used by qmake can be used to support both simple and fairly complex build systems. Simple project files use a straightforward declarative style, defining standard variables to indicate the source and header files that are used in the project. Complex projects may use control flow structures to fine-tune the build process.
The following sections describe the different types of elements used in project files.
Variables
In a project file, variables are used to hold lists of strings. Live home 3d 3 6 2020. In the simplest projects, these variables inform qmake about the configuration options to use, or supply filenames and paths to use in the build process.
qmake looks for certain variables in each project file, and it uses the contents of these to determine what it should write to a Makefile. For example, the lists of values in the HEADERS and SOURCES variables are used to tell qmake about header and source files in the same directory as the project file.
Variables can also be used internally to store temporary lists of values, and existing lists of values can be overwritten or extended with new values.
The following snippet illustrates how lists of values are assigned to variables:
The list of values in a variable is extended in the following way:
![Ssh Ssh](https://cms-assets.tutsplus.com/cdn-cgi/image/width=300,height=300/uploads/users/769/posts/5763/preview_image/download_ssh.png)
Note: The first assignment only includes values that are specified on the same line as the HEADERS
variable. The second assignment splits the values in the SOURCES
variable across lines by using a backslash ().
The CONFIG variable is another special variable that qmake uses when generating a Makefile. It is discussed in General Configuration. In the snippet above, console
is added to the list of existing values contained in CONFIG
.
The following table lists some frequently used variables and describes their contents. For a full list of variables and their descriptions, see Variables.
Variable | Contents |
---|---|
CONFIG | General project configuration options. |
DESTDIR | The directory in which the executable or binary file will be placed. |
FORMS | A list of UI files to be processed by the user interface compiler (uic). |
HEADERS | A list of filenames of header (.h) files used when building the project. |
QT | A list of Qt modules used in the project. |
RESOURCES | A list of resource (.qrc) files to be included in the final project. See the The Qt Resource System for more information about these files. |
SOURCES | A list of source code files to be used when building the project. |
TEMPLATE | The template to use for the project. This determines whether the output of the build process will be an application, a library, or a plugin. |
The contents of a variable can be read by prepending the variable name with $$
. This can be used to assign the contents of one variable to another:
The $$
operator is used extensively with built-in functions that operate on strings and lists of values. For more information, see qmake Language.
Whitespace
Usually, whitespace separates values in variable assignments. To specify values that contain spaces, you must enclose the values in double quotes:
The quoted text is treated as a single item in the list of values held by the variable. A similar approach is used to deal with paths that contain spaces, particularly when defining the INCLUDEPATH and LIBS variables for the Windows platform:
You can add comments to project files. Comments begin with the #
character and continue to the end of the same line. For example:
To include the #
character in variable assignments, it is necessary to use the contents of the built-in LITERAL_HASH variable.
Built-in Functions and Control Flow
qmake provides a number of built-in functions to enable the contents of variables to be processed. The most commonly used function in simple project files is the include() function which takes a filename as an argument. The contents of the given file are included in the project file at the place where the include
function is used. The include
function is most commonly used to include other project files:
Support for conditional structures is made available via scopes that behave like if
statements in programming languages:
The assignments inside the braces are only made if the condition is true. In this case, the win32
CONFIG option must be set. This happens automatically on Windows. The opening brace must stand on the same line as the condition.
More complex operations on variables that would usually require loops are provided by built-in functions such as find(), unique(), and count(). These functions, and many others are provided to manipulate strings and paths, support user input, and call external tools. For more information about using the functions, see qmake Language. For lists of all functions and their descriptions, see Replace Functions and Test Functions.
Project Templates
The TEMPLATE variable is used to define the type of project that will be built. If this is not declared in the project file, qmake assumes that an application should be built, and will generate an appropriate Makefile (or equivalent file) for the purpose.
The following table summarizes the types of projects available and describes the files that qmake will generate for each of them:
Template | qmake Output |
---|---|
app (default) | Makefile to build an application. |
lib | Makefile to build a library. |
aux | Makefile to build nothing. Use this if no compiler needs to be invoked to create the target, for instance because your project is written in an interpreted language. Note: This template type is only available for Makefile-based generators. In particular, it will not work with the vcxproj and Xcode generators. |
subdirs | Makefile containing rules for the subdirectories specified using the SUBDIRS variable. Each subdirectory must contain its own project file. |
vcapp | Visual Studio Project file to build an application. |
vclib | Visual Studio Project file to build a library. |
vcsubdirs | Visual Studio Solution file to build projects in sub-directories. |
See Building Common Project Types for advice on writing project files for projects that use the app
and lib
templates.
When the subdirs
template is used, qmake generates a Makefile to examine each specified subdirectory, process any project file it finds there, and run the platform's make
tool on the newly-created Makefile. The SUBDIRS
variable is used to contain a list of all the subdirectories to be processed.
General Configuration
The CONFIG variable specifies the options and features that the project should be configured with.
The project can be built in release mode or debug mode, or both. If debug and release are both specified, the last one takes effect. If you specify the debug_and_release
option to build both the debug and release versions of a project, the Makefile that qmake generates includes a rule that builds both versions. This can be invoked in the following way:
Adding the build_all
option to the CONFIG
variable makes this rule the default when building the project.
Note: Each of the options specified in the CONFIG
variable can also be used as a scope condition. You can test for the presence of certain configuration options by using the built-in CONFIG() function. For example, the following lines show the function as the condition in a scope to test whether only the opengl
option is in use:
This enables different configurations to be defined for release
and debug
builds. For more information, see Using Scopes.
The following options define the type of project to be built.
Note: Some of these options only take effect when used on the relevant platform.
Option | Description |
---|---|
qt | The project is a Qt application and should link against the Qt library. You can use the QT variable to control any additional Qt modules that are required by your application. This value is added by default, but you can remove it to use qmake for a non-Qt project. |
x11 | The project is an X11 application or library. This value is not needed if the target uses Qt. |
The application and library project templates provide you with more specialized configuration options to fine tune the build process. The options are explained in detail in Building Common Project Types.
For example, if your application uses the Qt library and you want to build it in debug
mode, your project file will contain the following line:
Note: You must use '+=', not '=', or qmake will not be able to use Qt's configuration to determine the settings needed for your project.
Declaring Qt Libraries
If the CONFIG variable contains the qt
value, qmake's support for Qt applications is enabled. This makes it possible to fine-tune which of the Qt modules are used by your application. This is achieved with the QT variable which can be used to declare the required extension modules. For example, we can enable the XML and network modules in the following way:
Note: QT
includes the core
and gui
modules by default, so the above declaration adds the network and XML modules to this default list. The following assignment omits the default modules, and will lead to errors when the application's source code is being compiled:
If you want to build a project without the gui
module, you need to exclude it with the '-=' operator. By default, QT
contains both core
and gui
, so the following line will result in a minimal Qt project being built:
For a list of Qt modules that you can add to the QT
variable, see QT.
Configuration Features
Ssh Config Ubuntu
![Pro Pro](https://i2.wp.com/blog.mailtrap.io/wp-content/uploads/2020/03/SSH-management-AWS.png?resize=640%2C424&ssl=1)
Note: The first assignment only includes values that are specified on the same line as the HEADERS
variable. The second assignment splits the values in the SOURCES
variable across lines by using a backslash ().
The CONFIG variable is another special variable that qmake uses when generating a Makefile. It is discussed in General Configuration. In the snippet above, console
is added to the list of existing values contained in CONFIG
.
The following table lists some frequently used variables and describes their contents. For a full list of variables and their descriptions, see Variables.
Variable | Contents |
---|---|
CONFIG | General project configuration options. |
DESTDIR | The directory in which the executable or binary file will be placed. |
FORMS | A list of UI files to be processed by the user interface compiler (uic). |
HEADERS | A list of filenames of header (.h) files used when building the project. |
QT | A list of Qt modules used in the project. |
RESOURCES | A list of resource (.qrc) files to be included in the final project. See the The Qt Resource System for more information about these files. |
SOURCES | A list of source code files to be used when building the project. |
TEMPLATE | The template to use for the project. This determines whether the output of the build process will be an application, a library, or a plugin. |
The contents of a variable can be read by prepending the variable name with $$
. This can be used to assign the contents of one variable to another:
The $$
operator is used extensively with built-in functions that operate on strings and lists of values. For more information, see qmake Language.
Whitespace
Usually, whitespace separates values in variable assignments. To specify values that contain spaces, you must enclose the values in double quotes:
The quoted text is treated as a single item in the list of values held by the variable. A similar approach is used to deal with paths that contain spaces, particularly when defining the INCLUDEPATH and LIBS variables for the Windows platform:
You can add comments to project files. Comments begin with the #
character and continue to the end of the same line. For example:
To include the #
character in variable assignments, it is necessary to use the contents of the built-in LITERAL_HASH variable.
Built-in Functions and Control Flow
qmake provides a number of built-in functions to enable the contents of variables to be processed. The most commonly used function in simple project files is the include() function which takes a filename as an argument. The contents of the given file are included in the project file at the place where the include
function is used. The include
function is most commonly used to include other project files:
Support for conditional structures is made available via scopes that behave like if
statements in programming languages:
The assignments inside the braces are only made if the condition is true. In this case, the win32
CONFIG option must be set. This happens automatically on Windows. The opening brace must stand on the same line as the condition.
More complex operations on variables that would usually require loops are provided by built-in functions such as find(), unique(), and count(). These functions, and many others are provided to manipulate strings and paths, support user input, and call external tools. For more information about using the functions, see qmake Language. For lists of all functions and their descriptions, see Replace Functions and Test Functions.
Project Templates
The TEMPLATE variable is used to define the type of project that will be built. If this is not declared in the project file, qmake assumes that an application should be built, and will generate an appropriate Makefile (or equivalent file) for the purpose.
The following table summarizes the types of projects available and describes the files that qmake will generate for each of them:
Template | qmake Output |
---|---|
app (default) | Makefile to build an application. |
lib | Makefile to build a library. |
aux | Makefile to build nothing. Use this if no compiler needs to be invoked to create the target, for instance because your project is written in an interpreted language. Note: This template type is only available for Makefile-based generators. In particular, it will not work with the vcxproj and Xcode generators. |
subdirs | Makefile containing rules for the subdirectories specified using the SUBDIRS variable. Each subdirectory must contain its own project file. |
vcapp | Visual Studio Project file to build an application. |
vclib | Visual Studio Project file to build a library. |
vcsubdirs | Visual Studio Solution file to build projects in sub-directories. |
See Building Common Project Types for advice on writing project files for projects that use the app
and lib
templates.
When the subdirs
template is used, qmake generates a Makefile to examine each specified subdirectory, process any project file it finds there, and run the platform's make
tool on the newly-created Makefile. The SUBDIRS
variable is used to contain a list of all the subdirectories to be processed.
General Configuration
The CONFIG variable specifies the options and features that the project should be configured with.
The project can be built in release mode or debug mode, or both. If debug and release are both specified, the last one takes effect. If you specify the debug_and_release
option to build both the debug and release versions of a project, the Makefile that qmake generates includes a rule that builds both versions. This can be invoked in the following way:
Adding the build_all
option to the CONFIG
variable makes this rule the default when building the project.
Note: Each of the options specified in the CONFIG
variable can also be used as a scope condition. You can test for the presence of certain configuration options by using the built-in CONFIG() function. For example, the following lines show the function as the condition in a scope to test whether only the opengl
option is in use:
This enables different configurations to be defined for release
and debug
builds. For more information, see Using Scopes.
The following options define the type of project to be built.
Note: Some of these options only take effect when used on the relevant platform.
Option | Description |
---|---|
qt | The project is a Qt application and should link against the Qt library. You can use the QT variable to control any additional Qt modules that are required by your application. This value is added by default, but you can remove it to use qmake for a non-Qt project. |
x11 | The project is an X11 application or library. This value is not needed if the target uses Qt. |
The application and library project templates provide you with more specialized configuration options to fine tune the build process. The options are explained in detail in Building Common Project Types.
For example, if your application uses the Qt library and you want to build it in debug
mode, your project file will contain the following line:
Note: You must use '+=', not '=', or qmake will not be able to use Qt's configuration to determine the settings needed for your project.
Declaring Qt Libraries
If the CONFIG variable contains the qt
value, qmake's support for Qt applications is enabled. This makes it possible to fine-tune which of the Qt modules are used by your application. This is achieved with the QT variable which can be used to declare the required extension modules. For example, we can enable the XML and network modules in the following way:
Note: QT
includes the core
and gui
modules by default, so the above declaration adds the network and XML modules to this default list. The following assignment omits the default modules, and will lead to errors when the application's source code is being compiled:
If you want to build a project without the gui
module, you need to exclude it with the '-=' operator. By default, QT
contains both core
and gui
, so the following line will result in a minimal Qt project being built:
For a list of Qt modules that you can add to the QT
variable, see QT.
Configuration Features
Ssh Config Ubuntu
qmake can be set up with extra configuration features that are specified in feature (.prf) files. These extra features often provide support for custom tools that are used during the build process. To add a feature to the build process, append the feature name (the stem of the feature filename) to the CONFIG
variable.
For example, qmake can configure the build process to take advantage of external libraries that are supported by pkg-config, such as the D-Bus and ogg libraries, with the following lines:
For more information about adding features, see Adding New Configuration Features.
Declaring Other Libraries
If you are using other libraries in your project in addition to those supplied with Qt, you need to specify them in your project file.
The paths that qmake searches for libraries and the specific libraries to link against can be added to the list of values in the LIBS variable. You can specify the paths to the libraries or use the Unix-style notation for specifying libraries and paths.
For example, the following lines show how a library can be specified:
The paths containing header files can also be specified in a similar way using the INCLUDEPATH variable.
For example, to add several paths to be searched for header files:
Ssh Config Editor Pro 1 11 58 Hp
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