Solve the problem of slow SSH connection in linuxCurrently, SSH remote connection is generally used to connect to a linux server. I recently installed a new server and found that telnet is fast, ping is normal, but SSH connection is slow. There are several reasons for the query:1. The SERVER's SSHD will go to the DNS to find the HOSTNAME of the accessed client ip address. If the DNS is unavailable or there is no relevant record, it will take some time.2. In authentication gssapi-with-
McDull and maimai
Mai is McDull's sister, the most naughty and coquetry one.McDull was seven years old, so from the day when she was born, she cried out a loud announcement, McDull, you're so big, in my life, you are dead when I am unlucky.Mcmcmcdonado is seven years old, so since the day of his birth, McDull has been staring at her pink face and silently announcing that you are so many people, in my life, you have finished playing with poor old girl.In his childhood memories, his brother McDull
, it is located in the sound/soc/codecs directory, for example, wm9713.c.
For platform/machine domain, it is placed in the machine name directory, for example, neo1973_wm9753.c under the sound/soc/s3c24xx directory. The name is the same as the machine name and CODEC name.
When defining the audio path of codec, you need to know this background. dapm is divided into the following parts in concept,
Mixer-mixes several analog signals into a single analog signal.
MUX-an analog switch that outputs
", and "Tone Control-center ".
3D controlsNaming rules for 3D controls: "3D control-switch", "3D control-center", and "3D control-space ".
Mic boostThe microphone volume enhancement control is named "mic boost" or "mic boost (6db )".
Access flags)
The access field is a bitmask that saves the access type changed to control. The default access type is snddrv_ct
SSH/SCP is a very common command, found that for some hosts, SSH to establish a very slow connection speed, the connection was established after the operation is very normal speed.
Use Ssh-v to view the detailed connection establishment process:
Debug1:authentications that can Continue:publickey,gssapi-with-mic,passwordDebug1:next Authentication Method:gssapi-with-micDebug1:unspecified GSS failure. Minor code may provide more informationNo Credentia
http://blog.csdn.net/doiido/article/details/43793391 centos/linux fix ssh connection slow tag: linuxssh remote connection ssh slow 2015-02-13 13:24 1230 people read reviews (0) Collection Report Category: Linux applications (16) Copyright notice: This article is the original article for Bo Master, not allowed to reprint without the Bo master. Connecting to a Linux server is now generally a way to connect remotely using SSH. Recently installed a server, found that Telnet is very fast, ping everyt
Tags: XML sdn switch ext NSS source domain name parsing com modeConnecting to a Linux server is now generally a way to connect remotely using SSH. Recently installed a server, found that Telnet is very fast, ping everything is normal, but SSH connection is very slow. After the online information query, there are a few reasons:1, the server sshd will go to DNS to find the hostname of the client IP access, if the DNS is not available or no related records, it will consume a period of time.2, in au
facing Objects1. Encapsulation#What is the encapsulation in Python? #use the construction method to encapsulate the content into an object, and then indirectly obtain the encapsulated content through the object directly or self; classOop (object):def __init__(self): Self.name=name Self.age= Agedefget_attrs (self):Print(Self.name)Print(self.age) obj= Oop ('Mic', 18) #Direct Access Print(Obj.name, Obj.age)#Indirect AcquisitionObj.get_attrs (
1. Private Properties#double underline before attribute #to protect property security #a private property cannot be called directly through an object, and a calling method needs to be added to invoke it; classpeople (object):def __init__(self): self.__name='Mic' defget_private_attr (Self, new_name): Self.__name=new_namePrint(self.)__name) #Creating Objectsp =people ()#Get priva
based on the x86 system and cannot be used in the embedded platform.
3. Make install
lib and util installed to embedded platform
On the target board, the following files must be copied to the corresponding location:
1 Lib library file, placed in the/lib/
2 conf file, should be placed in/usr/local/share, the same as the directory specified at compile time
3 application file, util can produce Aplay,amixer,arecord executable program, these files can be placed in/usr/sbin
4 must be guaranteed to h
SND directory.
Run the test program
On our current board there are 4 audio links, respectively: MIC, line in, line out, headphone out. All 4 links need to be tested.
For the play link (line out, headphone out), the corresponding playback command is:
Aplay Mysound.wav
For recording links (Mic, line in), the corresponding recording command is:
Arecord Myvoice.wav–fdat–d 5
Where-fdat specifies to record th
LANG.EXE installation can. Then install the "feature driver" in the motherboard CD, and you'll be able to experience HD audio.
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Little knowledge: What is HD Audio?
The full name of HD Audio is the high definition Audio (Hi-fidelity audio). Inte is a new generation of audio standards, with features such as device sensing technology, and so on. The specific introduction can browse the author's Cfan (http://blog.cfan.com.cn/html/57/353557_itemid_99290.html).
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Let the chassis front interface
Microsoft released the Silverlight 4 beta on PDC2009, and Microsoft processed about 8,000 Silverlight end-user requests in the Silverlight 4 release, adding a new set of features that were exciting for developers, most notably in several ways:
Development Tools Enhancements: Visual Studio 2010 has a visual design tool that allows you to choose whether the runtime version is 3.0 or 4.0,blend4 to add XAML and C # code to the full range of IntelliSense features, XAML style apps are easier to use, a
"Reprint" Source: http://www.bkjia.com/xtzh/893669.html"Reprint Reason": Other articles are modified server-side configuration, but in order to ensure server-side security issues, generally it is best not to modify the server-side configuration. So take the modification of the client side configuration. The only way to find this article is to explain how to modify the client side configuration. Sincere thanks!Connecting to a Linux server is now generally a way to connect remotely using SSH. Rece
Connecting to a Linux server is now generally a way to connect remotely using SSH. Recently installed a server, found that Telnet is very fast, ping everything is normal, but SSH connection is very slow. After the online information query, there are a few reasons:1, the server sshd will go to DNS to find the hostname of the client IP access, if the DNS is not available or no related records, it will consume a period of time.2, in authentication gssapi-with-m
Connecting to a Linux server is now generally a way to connect remotely using SSH. Recently installed a server, found that Telnet is very fast, ping everything is normal, but SSH connection is very slow. After the online information query, there are a few reasons:1, the server sshd will go to DNS to find the hostname of the client IP access, if the DNS is not available or no related records, it will consume a period of time.2, in authentication gssapi-with-m
Step method
First, preparatory work
1. First, a computer with a voice input device, if it is a notebook, is usually brought from the wheat, and the desktop is not standard, so you may need a microphone, then how to check the notebook is there Mike?
2. Access to the control panel of the system, select sound Options, in the label selection recording, if there is a microphone with a green hook, and the green lattice on the right keeps beating, it means that there is Mike; If you
1, turn off the Realtek HD sound card driver for the front of the audio Panel automatic detection function;
2, set the default recording equipment for front Pink in (front pink Jack, may also be the name is front Mic).
If you are unable to understand the above Setup profile, please see the details below.
Step One: check the BIOS settings in the motherboard, keyword: Front Panel Type.
Some motherboard manufacturers in the BIOS of the default forw
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