CN107592340B - Method and apparatus for remotely operating management server - Google Patents
Method and apparatus for remotely operating management server Download PDFInfo
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- CN107592340B CN107592340B CN201710704682.8A CN201710704682A CN107592340B CN 107592340 B CN107592340 B CN 107592340B CN 201710704682 A CN201710704682 A CN 201710704682A CN 107592340 B CN107592340 B CN 107592340B
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Abstract
The present disclosure provides a method of remotely operating a management server, and an SOL terminal and a server performing the same. The method can comprise the following steps: designating a remote shared directory; sending the information of the designated remote sharing directory to a server so that the server can establish a channel to the remote sharing directory and store the screenshot file of the server into the remote sharing directory; and regularly reading and displaying the screenshot file of the server in the remote shared directory. By the method, the graphical interface is provided for the SOL terminal.
Description
Technical Field
The present disclosure relates to the field of computers, and more particularly, to a method and apparatus for remotely operating a management server.
Background
A Serial Over LAN (SOL) is a function of remotely operating a Management server provided by an Intelligent Platform Management Interface (IPMI), and is a main means for remotely operating the Management server for many years. The SOL is to transmit contents displayed on a screen to a serial port by redirection of the serial port, and then transmit an output of the serial port to a remote screen through a LAN (local area network) by using a function of a Baseboard Management Controller (BMC). Due to the speed and bandwidth limitations of the serial port, SOL is limited to outputting text mode display data. For locally running graphics applications, SOL does not have enough bandwidth to provide a suitable speed of graphics transfer, which limits usage scenarios and degrades user experience. For example, some configuration applications that support graphics during the boot phase, such as the XClarity Provisioning Manager on the Purley thinkSystem Server of the Association company, are provided on server systems and are not available in SOL mode.
Therefore, a mechanism is needed to remotely operate the management server during the boot phase that is capable of supporting graphical mode display.
Disclosure of Invention
According to a first aspect of the present invention, a method performed in an SOL terminal is provided. The terminal side method includes: designating a remote shared directory; sending the information of the designated remote sharing directory to a server so that the server can establish a channel to the remote sharing directory and store the screenshot file of the server into the remote sharing directory; and regularly reading and displaying the screenshot file of the server in the remote shared directory.
According to a second aspect of the invention, a method performed in a server is provided. The server-side method comprises the following steps: receiving information of a designated remote shared directory from the SOL terminal; establishing a channel to the remote shared directory according to the received information of the remote shared directory; and saving the screen as a picture file and storing the picture file into the remote sharing directory through the channel.
According to a third aspect of the present invention, there is provided an SOL terminal. The SOL terminal includes: directory specifying means configured to specify a remote shared directory; the sending device is configured to send the information of the designated remote sharing directory to the server so that the server can establish a channel to the remote sharing directory and store the screenshot file of the server into the remote sharing directory; and the display device is configured to read and display the screenshot file of the server in the remote shared directory at regular time.
According to a fourth aspect of the invention, a server is provided. The server includes: receiving means configured to receive information of the specified remote shared directory from the SOL terminal; a channel establishing device configured to establish a channel to the remote shared directory according to the received information of the remote shared directory; the screen capturing device is configured for saving the screen as a picture file; and the output device is used for storing the picture file into the remote sharing directory through the channel.
In the embodiment of the invention, the server is usually in a UEFI environment, and an operating system is not entered yet.
In some embodiments, the server-established tunnel to the remote shared directory is established over a host network.
In an embodiment where the SOL terminal runs a Windows operating System, the channel may be established according to Common Internet File System (CIFS) protocol.
In an embodiment where the SOL terminal runs a Lixun/Unix operating System, the channel may be established according to a Network File System (NFS) protocol.
According to some embodiments, the terminal side method further comprises: and sending an operation instruction to a server through a management network between the server and the SOL terminal by using the SOL protocol. This may be performed, for example, by the transmitting device of the terminal. Correspondingly, the method at the server side further comprises: and receiving an operation instruction from the SOL terminal through a management network between the server and the SOL terminal by using the SOL protocol. This may be performed, for example, by the receiving device of the server.
According to a fifth aspect of the present invention, there is provided an SOL terminal comprising: a processor, and a memory for storing machine-readable instructions which, when executed by the processor, cause the processor to perform the above terminal-side method.
According to a sixth aspect of the present invention, a server is provided. The server includes: a processor; and a memory to store machine-readable instructions. The machine readable instructions, when executed by the processor, cause the processor to perform the server-side method described above.
According to a seventh aspect of the present disclosure, there is provided a non-volatile storage medium storing computer-executable instructions, which when executed by a machine, are used to implement the above terminal-side method.
According to an eighth aspect of the present disclosure, there is provided a non-volatile storage medium storing computer-executable instructions for implementing the above-described server-side method when executed by a machine.
Drawings
For a more complete understanding of the present disclosure and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which:
fig. 1 schematically illustrates an application scenario of a method of remotely operating a management server in a boot phase supporting a graphical mode display according to an embodiment of the present disclosure;
fig. 2 schematically shows a flowchart of an operation performed on the SOL terminal side by a method of remotely operating a management server according to an embodiment of the present disclosure;
fig. 3 schematically illustrates a flowchart of operations performed on the server side by a method of remotely operating a management server according to an embodiment of the present disclosure;
fig. 4 schematically shows a block diagram of an SOL terminal according to an embodiment of the present disclosure;
FIG. 5 schematically shows a block diagram of a server according to an embodiment of the disclosure;
fig. 6 schematically shows a block diagram of an SOL terminal according to another embodiment of the present disclosure; and
fig. 7 schematically shows a block diagram of a server according to an embodiment of the present disclosure.
In the drawings, like numbering represents like elements.
Detailed Description
Other aspects, advantages, and salient features of the disclosure will become apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses exemplary embodiments of the disclosure.
In the present disclosure, the terms "include" and "comprise," as well as derivatives thereof, mean inclusion without limitation; the term "or" is inclusive, meaning and/or.
In this specification, the various embodiments described below which are used to describe the principles of the present disclosure are by way of illustration only and should not be construed in any way to limit the scope of the disclosure. The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of exemplary embodiments of the present disclosure as defined by the claims and their equivalents. The following description includes various specific details to aid understanding, but such details are to be regarded as illustrative only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of well-known functions and constructions are omitted for clarity and conciseness. Moreover, throughout the drawings, the same reference numerals are used for similar functions and operations.
Embodiments of the present disclosure provide a method of remotely operating a management server, and an SOL terminal and a server performing the method. The method can comprise the following steps: the SOL terminal designates a remote shared directory; and sending the information of the designated remote shared directory to the server. The method may further comprise: after receiving the information of the remote shared directory, the server establishes a channel to the remote shared directory according to the received information of the remote shared directory; and saving the screen as a picture file and storing the picture file into the remote sharing directory through the channel. The method may further comprise: and the SOL terminal reads and displays the screenshot file of the server in the remote shared directory at regular time. The user can then see the server-side screen display at the SOL terminal as local to the server. In other words, by the method of the embodiment of the present invention, a graphical interface is provided for the SOL terminal, which can be used for the booting process of the remote operation management server.
Fig. 1 schematically illustrates an application scenario of a method of remotely operating a management server supporting graphic mode display according to an embodiment of the present disclosure.
The method for remotely operating a management server of the present invention is suitable for remotely operating and managing a server of a data center through the SOL terminal 20, and is particularly suitable for remotely operating and managing a server in a boot phase. As shown, at least one server 10 is deployed in a data center. It should be understood that although only one server is shown in fig. 1, an actual data center may include more servers. The at least one server 10 is connected to a management network 30A and a host network 30B (to be further described below). SOL terminal 20 is also connected to management network 30A and host network 30B.
The server 10 may include a Baseboard Management Controller (BMC) for supporting IPMI specifications. The IPMI specification supports built-in management functions on the motherboard including local and remote diagnostics, console support, configuration management, hardware management, and troubleshooting. Specifically, IPMI supports the SOL function, which forwards the contents displayed on the screen to the serial port by serial port redirection, and then uses the BMC function to transmit the output of the serial port to the screen of the remote terminal 20 (fig. 1) through the LAN (fig. 30A).
The server 10 is also equipped with a BMC-specific network interface and at least one host network interface (i.e., a network interface for the server host CPU to communicate with the outside). The server 10 may be connected to the management network 30A through the BMC-dedicated network interface and to the host network 30B through the host network interface. Host network 30B is with respect to management network 30A. The management network 30A is a network connecting BMCs on the respective servers, and is mainly used for management communication. The management network 30A is typically a local area network. The host network 30B is also called a server network, and is a network connecting host network interfaces on the respective servers, and is mainly used for application communication. The host network 30B may be a local area network or a wide area network (including the internet). The management network 30A typically has a smaller bandwidth, such as 100M/1G, while the host network typically has a larger bandwidth, such as 10G/40G. The BMC-specific network interface is not shared with the host operating system of the server 10 and will route management communications to a separate physical network (i.e., management network 30A) and thus may be separate from application communications (on the host network). Typically, the BMC-specific network interface and the host network interface have different IP addresses and port numbers.
After the server 10 is powered on, it enters into DOS environment (e.g. boot phase) to start SOL function to connect to the management network 30A, so as to wait for receiving the data transmitted by the remote SOL terminal.
The SOL terminal 20 is also referred to as a remote controller. Remote is referred to herein with respect to a server, and the server side is referred to herein as the local side. The SOL terminal 20 has SOL tools (or IPMI tools including SOL tools) mounted thereon. With the SOL tool, a user can acquire relevant information of a server (a server with the SOL function started) through a series of operation instructions (corresponding to keyboard and mouse operations of the user) and perform operation management on the server. SOL terminals may be various computing devices such as desktop computers, notebook computers, and the like. The SOL terminal may also be one of the servers in the data center. When other servers in the data center are managed by one server operation of the data center, the server as an operation management side may be regarded as an SOL terminal.
As described above, the conventional SOL is limited to outputting display data in a text mode due to the speed of a serial port and the bandwidth of a management network. For graphics applications running locally on the server, the SOL does not have enough bandwidth to provide a suitable speed of graphics transfer, which limits the usage scenarios and degrades the user experience. For example, some applications that support graphics during the boot phase (e.g., the configuration application XClarity Provisioning Manager on the Purley think system server of the associative company) provided on a server system cannot be used in the traditional SOL model.
Therefore, the embodiment of the invention provides a method for realizing a graphic Over LAN (Graphical overlay LAN). The method realizes real-time output of the graphics on the LAN based on a real-time screenshot function provided by a server side (specifically, an application XClarity providing Manager on a Purley thinkSystem server of the association company) and the capability of transmitting a shared file through a host network. Specifically, the method may include: the SOL terminal 20 specifies the remote shared directory and transmits information of the specified remote shared directory to the server 10. The method may further comprise: after receiving the information of the remote shared directory, the server 10 establishes a channel to the remote shared directory according to the received information of the remote shared directory; and saving the screen as a picture file and storing the picture file into the remote sharing directory through the channel. The method may further comprise: and the SOL terminal reads and displays the screenshot file of the server in the remote shared directory at regular time. The user can then see the server-side screen display at the SOL terminal. Therefore, the embodiment of the present invention provides a graphical interface for SOL, and can use a configuration application (such as XClarity Provisioning Manager of association) supporting graphics on a server side in the SOL mode. In addition, the embodiment of the present invention has an advantage in response speed depending on the host CPU and the host network.
Fig. 2 schematically shows a flowchart of operations 200 performed on the SOL terminal side by a method of remotely operating a management server according to an embodiment of the present disclosure.
Operation 200 may be performed by a client (e.g., an application) of a SOL terminal (e.g., SOL terminal 20 of fig. 1). The client may be a different application depending on the operating system run by the SOL terminal. When the SOL terminal runs the window operating system, the client may be a Windows application. When the SOL terminal runs the Unix operating system, the client may be a Unix application. The client may be part of the SOL tool (or an IPMI tool containing the SOL tool) on the SOL terminal, or a separate application.
As shown in fig. 2, in step S210, the SOL terminal 20 specifies a remote shared directory. The directory may be a directory on the SOL terminal 20 for sharing with the server.
In step S220, the SOL terminal transmits information of the designated remote shared directory to the server. This may be sent over a management network (e.g., management network 30A of fig. 1) using SOL tools.
After receiving the information of the designated remote sharing directory, the server (e.g., server 10 in fig. 1) may establish a channel to the remote sharing directory according to the information, and store the screenshot file of the server in the remote sharing directory (which will be described in detail below in conjunction with fig. 3).
In step S230, the SOL terminal may periodically read and display the screenshot file of the server in the remote shared directory. The screenshot file may be a picture named by a fixed filename (e.g., 0-100). The client of the SOL terminal can cyclically read and play the files in the remote shared directory (for example, cyclically play files 0-100). The cyclic reading may be reading the file at intervals (e.g., every 1/12 or 1/24 seconds, with a frequency of reading corresponding to the frequency of server-side saving), from reading file 0 until reading file 100, and then starting reading from file 0.
Thus, according to an embodiment of the present invention, the same screen (graphic display) as the server side can be displayed at the SOL terminal. The user can input operation instructions through a keyboard and/or a mouse according to the graphic display. The SOL tool may collect the operation instruction, and transmit the operation instruction to a server via a management network between the server and the SOL terminal by an SOL protocol. Therefore, the embodiment of the invention can realize the synchronous operation management of the SOL terminal on the server and support the display of the graphic mode.
The method according to the embodiment of the invention is independent of the operating system at the server end, and is particularly suitable for remote operation management of the server in a boot process (such as UEFI environment).
Fig. 3 schematically illustrates a flow diagram of operations 300 performed on the server side by a method of remotely operating a management server according to an embodiment of the present disclosure.
In the embodiment of the present invention, the management network (i.e., BMC-specific network interface) and the host network (i.e., host network interface) are already configured on the server side. A boot program (e.g., XClarity Provisioning Manager on Purley think system server, inc.) on a server (e.g., server 10 of fig. 1) supports the graphical display. The server enters a boot program after being powered on, and starts the SOL function to connect to a management network (such as the management network 30A of fig. 1) in a DOS environment (such as a UEFI environment) to wait for receiving data transmitted by a remote SOL terminal. At this point, method 300 begins.
In step S310, the server receives information of the designated remote shared directory from the SOL terminal. Specifically, the server may receive information of the designated remote shared directory from the SOL terminal through the BMC via the management network.
In step S320, the server establishes a channel to the remote shared directory of the SOL terminal according to the received information of the remote shared directory. In particular, the channel is established over a host network. Specifically, the server may establish a channel with the remote shared directory according to the information of the remote shared directory and a corresponding network file system protocol, and install (e.g., mount) the remote shared directory as a local file system. The network file system protocol may differ depending on the type of operating system of the SOL terminal. For example, for SOL terminals operating under the Windows system, the server may establish a channel with a remote shared directory through the CIFS protocol. For SOL terminals operating under Linux/Unix system, the server can establish a channel with a remote shared directory through NFS protocol.
In step S330, the server saves the own screen as a picture file and stores it in the remote shared directory through the channel established in step S320. Specifically, the server may utilize a real-time screenshot function to save the screen display as a picture while refreshing the screen. Alternatively, the server may simply save the screen display periodically, for example every 1/12 or 1/24 seconds. The saving frequency corresponds to the reading frequency of the SOL terminal. The server may save the screen display to the Mount's file system (i.e., the remote shared directory) with a fixed file name (e.g., 0-100). The server may cycle through fixed filenames while saving the screen display, e.g., from file 0 to file 100, then back to file 0, replacing old file 0 with new file 0, and so on.
Through the above-described operations of fig. 3, in combination with the operations described with reference to fig. 2, the SOL terminal side can periodically read and display the screenshot file of the server in the remote shared directory, thereby displaying the same screen (graphic display) as the server side. Alternatively, the user may input an operation instruction through a keyboard and/or a mouse according to the graphic display. The operation instruction is transmitted to the server through the management network between the server and the SOL terminal by the SOL protocol. The server screen output in response to the operation instruction will continue to be saved to the shared directory, via step 330. The SOL terminal will obtain a graphic display of the screen output of the server side through step S230. Therefore, the embodiment of the invention can realize the synchronous operation management of the SOL terminal on the server and support the display of the graphic mode.
The method of remotely operating the management server according to the embodiment of the present invention is described above with reference to fig. 1 to 3. The method of the embodiment of the invention provides a graphical interface for SOL, and can use configuration application (such as XClarity Provisioning Manager of association company) of supporting graphics of a server side in the SOL mode. The method according to the embodiment of the invention is independent of the operating system at the server end, and is particularly suitable for remote operation management of the server in a boot process (such as UEFI environment). In addition, because the capacity of the host CPU is usually greater than the processing capacity of the BMC, the bandwidth of the host network is usually much greater than the bandwidth of the management network, and the embodiment of the invention can provide a faster response speed depending on the host CPU and the host network.
Fig. 4 schematically shows a block diagram of an SOL terminal 400 according to an embodiment of the present disclosure.
As shown, the SOL terminal may include a directory specifying device 410, a transmitting device 420, and a display device 430.
The directory specifying means 410 is configured to specify a remote shared directory.
The sending device 420 is configured to send the information of the designated remote sharing directory to the server, so that the server establishes a channel to the remote sharing directory, and stores the screenshot file of the server in the remote sharing directory.
The display device 430 is configured to periodically read and display the screenshot file of the server in the remote shared directory.
In some embodiments, the sending device 420 may be further configured to: and sending an operation instruction to the server through a management network between the server and the SOL terminal by using the SOL protocol.
The directory specifying means 410, the transmitting means 420 and/or the display means 430 may each be implemented as a separate application, or may be implemented in combination as a single application, or may be implemented as part of other applications (such as SOL tool or IPMI tool).
It should be understood that SOL terminal 400 in fig. 4 shows only the components relevant to the present invention to avoid obscuring the present invention. However, it will be understood by those skilled in the art that although not shown in fig. 4, the SOL device according to the embodiment of the present invention may further include other basic units, such as a display screen, a storage unit, and the like.
Fig. 5 schematically shows a block diagram of a server according to an embodiment of the present disclosure.
As shown, the server 500 may include: receiving means 510, channel establishing means 520, screen capturing means 530, and output means 540.
The receiving means 510 is configured to receive information of the specified remote shared directory from the SOL terminal. For example, the receiving device 510 receives information from the remote shared directory specified by the SOL terminal from the management network via the BMC-dedicated network interface. In some embodiments, the receiving device 510 is further configured to receive an operation instruction (such as a keyboard and mouse operation) from the SOL terminal via a management network between the server side and the SOL terminal through the SOL protocol.
The channel establishing means 520 is configured to establish a channel to the remote shared directory according to the received information of the remote shared directory. In particular, the channel is established on a host network. The channel may be established according to a CIFS protocol or an NFS protocol according to an operating system run by an SOL terminal that specifies a remote shared directory.
The screen capture device 530 is configured to save the screen as a picture file.
The output device 540 is configured to store the picture file into the remote shared directory through the channel.
The receiving means 510, the channel establishing means 520, the screen capturing means 530 and/or the output means 540 may each be implemented as a separate application, or may be implemented in combination as a single application, or may be implemented as part of another application, such as an XClarity Provisioning Manager on the Purley think system server of the company of interest.
The server 500 may be used to perform the method 300 described above. The specific operation of the server 500 can refer to the description of the method 300, and is not described herein again.
It should be understood that server 500 in fig. 5 shows only the components relevant to the present invention to avoid obscuring the present invention. However, those skilled in the art will appreciate that although not shown in fig. 5, a server according to embodiments of the present invention may also include other basic units, such as a storage unit, etc.
Fig. 6 schematically shows a block diagram of an SOL terminal according to another embodiment of the present disclosure.
As shown, the SOL terminal 600 includes a processor 610, a computer-readable storage medium 620, a first network interface 630, and a second network interface 640. The SOL terminal 600 may perform the method described above with reference to fig. 2 to implement remote operation management of the server.
In particular, the processor 610 may comprise, for example, a general purpose microprocessor, an instruction set processor and/or related chip set and/or a special purpose microprocessor (e.g., an Application Specific Integrated Circuit (ASIC)), or the like. The processor 610 may also include onboard memory for caching purposes. Processor 610 may be a single processing unit or a plurality of processing units for performing the different actions of method flow 200 according to embodiments of the present disclosure described with reference to fig. 2.
Computer-readable storage medium 620 may be, for example, any medium that can contain, store, communicate, propagate, or transport the instructions. For example, a readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, device, or propagation medium. Specific examples of the readable storage medium include: magnetic storage devices, such as magnetic tape or Hard Disk Drives (HDDs); optical storage devices, such as compact disks (CD-ROMs); a memory, such as a Random Access Memory (RAM) or a flash memory; and/or wired/wireless communication links.
The computer-readable storage medium 620 may include a computer program 621, which computer program 621 may include code/computer-executable instructions that, when executed by the processor 610, cause the processor 610 to perform, for example, the method flow 200 described above in connection with fig. 2 and any variations thereof.
The computer program 621 may be configured with, for example, computer program code comprising computer program modules. For example, in an example embodiment, code in computer program 621 may include one or more program modules, including 621A, 621B, … …, for example. It should be noted that the division and number of modules are not fixed, and those skilled in the art may use suitable program modules or program module combinations according to actual situations, which when executed by the processor 610, enable the processor 610 to perform the method flow described above in connection with fig. 2 and any variations thereof, for example.
According to an embodiment of the present disclosure, the processor 610 may perform management communication with the server through the management network using the first network interface 630, and data communication with the server through the host network using the second network interface 640, thereby performing the method flow described above in connection with fig. 2 and any variations thereof.
Fig. 7 schematically shows a block diagram of a server according to another embodiment of the present disclosure.
As shown, server 700 includes a host processor 710, a computer-readable storage medium 720, a host network interface 730, a BMC740, and a BMC-specific network interface 750. The server 700 may perform the method described above with reference to fig. 3 to enable remote operational management of the server.
In particular, host processor 710 may comprise, for example, a general purpose microprocessor, an instruction set processor and/or related chip set and/or a special purpose microprocessor (e.g., an Application Specific Integrated Circuit (ASIC)), and/or the like. Host processor 710 may also include on-board memory for caching purposes. Host processor 710 may be a single processing unit or a plurality of processing units for performing the different actions of method flow 300 in accordance with an embodiment of the present disclosure described with reference to fig. 3.
Computer-readable storage medium 720 may be, for example, any medium that can contain, store, communicate, propagate, or transport the instructions. For example, a readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, device, or propagation medium. Specific examples of the readable storage medium include: magnetic storage devices, such as magnetic tape or Hard Disk Drives (HDDs); optical storage devices, such as compact disks (CD-ROMs); a memory, such as a Random Access Memory (RAM) or a flash memory; and/or wired/wireless communication links.
The computer-readable storage medium 720 may include a computer program 721, which computer program 721 may include code/computer-executable instructions that, when executed by the processor 710, cause the processor 710 to perform, for example, the method flow 300 described above in connection with fig. 3 and any variations thereof.
The computer program 721 may be configured with, for example, computer program code comprising computer program modules. For example, in an example embodiment, code in computer program 721 may include one or more program modules, including 721A, modules 721B, … …, for example. It should be noted that the division and number of modules are not fixed, and those skilled in the art may use suitable program modules or combinations of program modules, depending on the application, which when executed by processor 710, enable host processor 710 to perform, for example, the method flows described above in connection with fig. 3 and any variations thereof.
According to an embodiment of the present disclosure, the host processor 710 may receive a management communication from the SOL terminal through the management network using the BMC-dedicated network interface 750 and the BMC740, and perform a data communication with the SOL terminal through the host network using the host network interface 730, thereby performing the method flow described above in connection with fig. 3 and any variation thereof.
While the disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Accordingly, the scope of the present disclosure should not be limited to the above-described embodiments, but should be defined not only by the appended claims, but also by equivalents thereof.
Claims (9)
1. A method performed in an SOL terminal, comprising:
designating a remote shared directory;
sending the information of the designated remote sharing directory to a server so that the server establishes a channel to the remote sharing directory, and storing a screenshot file of the server into the remote sharing directory, wherein the channel is established on a host network; and
and regularly reading and displaying the screenshot file of the server in the remote shared directory.
2. The method of claim 1, further comprising:
and sending an operation instruction to a server through a management network between the server and the SOL terminal by using the SOL protocol.
3. The method of claim 1, wherein the server is in a UEFI environment.
4. A method performed in a server, comprising:
receiving information of a designated remote shared directory from the SOL terminal;
establishing a channel to the remote shared directory according to the received information of the remote shared directory, wherein the channel is established on a host network; and
and saving the screen as a picture file, and storing the picture file into the remote sharing directory through the channel.
5. The method of claim 4, wherein:
the channel is established according to a CIFS protocol or an NFS protocol.
6. The method of claim 4, further comprising:
and receiving an operation instruction from the SOL terminal through a management network between the server side and the SOL terminal through the SOL protocol.
7. The method of claim 4, wherein the server is in a UEFI environment.
8. An SOL terminal comprising:
a processor, and
a memory for storing machine-readable instructions that, when executed by the processor, cause the processor to perform the method of any of claims 1 to 3.
9. A server, comprising:
a processor, and
a memory for storing machine-readable instructions that, when executed by the processor, cause the processor to perform the method of any of claims 4 to 7.
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