Q: What is Tcpipheapsize
A:tcpipheapsize refers to the amount of memory allocated to the Vmkernel TCP/IP stack, ESX4 default is 16MB and the maximum is 32MB. NetApp recommends modification to 30MB
Tcpipheapmax refers to the Vmkernel TCP/IP stack memory can grow to the upper limit of the value, ESX4 default is 64MB, the maximum value is 128MB. NetApp recommends modification to 120MB
If you use NFS as a da
Reprinted from: http://yangrong.blog.51cto.com/6945369/1582184
Docker container once started, the parameters can not be changed, production environment is the most common change is the port mapping, in order to solve this problem, then the first plan, this article lists two port planning scenarios, if there is a subsequent maintenance to increase the port mapping scenario, this paper also gives the dynamic port mapping expansion scheme.
1, single IP multi-container mapping planning scheme
This e
recommended in the production environment. Because this server is executed sequentially when processing requests, it cannot be processed concurrently.
This built-in web server is very convenient to use. you only need to execute the following command:
$ php -S localhost:8000
Then you can access it. In this way, the default web Service Directory is the current directory for executing commands. if you do not want to use the current directory, you need t
I made an image, exposed port 8000, and started the symfony built-in server in the container. The port number is 8000, so there is no problem with internal access, then, port 8001 of the host machine is mapped to port 8000. According to my understanding, it should be okay. I made an image, exposed port 8000, and starte
PHP is a scripting language that requires a PHP interpreter to analyze and run PHP files. When PHP is used as a CGI Service Web request, it needs to be embedded into a Web server. The most common thing is to integrate it into Apache or IIS. That is to say, before using PHP, you need to install Apache or IIS and correctly configure the parameters they integrate with PHP. Although this configuration is already very standard and has rich documentation, we often encounter problems when installing Ap
I. environment and requirements lab environment node network settings are as follows: node nic ip node Node1eth0172.19.104.33 intranet No I. environment and requirements lab environment
The network settings of the node are as follows:
Node
Nic
IP
Network
Node1
Eth0
172.19.104.33
Intranet
Node1
Eth1
6.6.5.5
Internet
Node2
Eth0
172.19.104.14
Intranet
Requirement
The function we need to implement is to map Port 8100 of
1. Get Request instanceIn Laravel, the Request instance of the current Request is generally obtained through the controller method dependency injection.We define an implicit controller for testing in this section. First, we define a route in routes. php as follows:Route: controller ('request', 'requestcontroller ');Then we create a controller RequestController. php under app/Http/Controllers:Namespace App \ Http \ Controllers;Use Illuminate \ Http \ Request;Use Illuminate \ Http
recommended in the production environment. Because this server is executed sequentially when processing requests, it cannot be processed concurrently.
This built-in web server is very convenient to use. you only need to execute the following command:
$ php -S localhost:8000
Then you can access it. In this way, the default web Service Directory is the current directory for executing commands. if you do not want to use the current directory, you need t
we are passing the Hello view function directly as an object, rather than calling it. This is an important feature of Pyhton (as a dynamic language), a function is a primary object (first-class objects), and you can pass a function just as you would pass other variables. Pretty cool, huh?To check the urlconf of our configuration, as in Chapter Two, python manage.py runserver start the Django Development server. (If you haven't turned off the one you started before, you won't have to start it ag
Steps:1. In Control Panel--admin tool (if no administrative tool found, view to large icon)--Data source (ODBC)--User DSN--Add a data source under User data source (here, add data sources as appropriate)The orcle in the figure is the added data source, because the data source where my database resides is orcle.2. Open PowerDesigner New PDM model3, select the database under the Connect,datasource select Odbcmachine data Source, the following select our first set up data sources sql2008,Then enter
Deploying a Django Project under LinuxDescription: The environment used in this article is CentOS 6+python2.7+django1.11Installing Django, Nginx, and Uwsgi1. Make sure that the 2.7 version of Python is already installed;2. Installing Python-develYum Install Python-devel3. Installing UWSGIPip Install UwsgiTest whether the UWSGI is working properly1. Create a new index.py;# index.pydef application(env, start_response): start_response(‘200 OK‘, [(‘Content-Type‘,‘text/html‘)]) return "Hello World"
iSCSI technology was developed by IBM and Cisco in early 2001, and in May 2003 Microsoft was in Windows 2003 Start your own formal support for iSCSI Microsoft has largely driven the development of iSCSI technology. The following is a detailed introduction to how iSCSI is configured on LinuxI. iSCSI Roadmap for DevelopmentEarly 2001: iSCSI technology was developed by IBM and Cisco in 2001, with two-ibmipstorage200i and ciscosn5420router supporting iSCSI products respectively.December 2001:
default port TCP 22. This requirement is equivalent to entering the TCP gate 22 of my house. Therefore, we should first enter the courtyard of my house, then enter the door of my house, and finally exit the door of my house. This operation is an operation on the server itself.
-A prerouting? P tcp -- dport 22? J ACCEPT
-A input? P tcp -- dport 22? J ACCEPT
-A output? P tcp -- sport 22? J ACCEPT
3. Allow Intranet machines to log on to MSN and QQ.
(MSN and QQ are not allowed to log on by de
TableCode name11 B1 c222 D3 D3 C3 E......
Want to get:Code name1 a, B, c2 A, D3 C, D, E.....Thank you for your help !!!-- Reference
String summary problem. The recommended method for SQL Server 2000 is: User-defined functions. For specific solutions and implementation, see:Bytes ----------------------------------------------------------------------------------------- Generate Test DataCreate Table (Department int, personnel varchar (20 ))Insert into Table select 1, 'zhang san'Insert into Table s
--django
Many of the following are derived from http://uwsgi-docs.readthedocs.org/en/latest/tutorials/Django_and_nginx.html# Configuring-uwsgi-to-run-with-a-ini-file
UWSGI installation and basic configuration:
We use the PIP Package Management tool to install UWSGI:
sudo pip install Uwsgi
If you don't have a pip yet, install it:
Used in Debian and Ubuntu systems:
sudo apt-get install Python-pip
used in Fedora and CentOS systems:
sudo yum install Python-pip
During pip installation of Uwsgi, if p
communication is no message protection boundary.2.TCP is based on data flow, so send and receive messages can not be empty, which requires both the client and the server to add a null message processing mechanism to place the program card master.TCP protocol data will not be lost, no packet received, the next receive, will continue to receive the last time, the end will always receive an ACK to clear the buffer content, the data is reliable, but sticky packet.In both cases, the sticky pack will
. But this does not mean that, like other users on the network can get control of the computer, although the hacker exploited the vulnerability does not have control rights, but it is easy to leak computer-related information, so as to facilitate the hacker attack, so the vulnerability is still very dangerous. However, as long as it is a shell loophole, it is very dangerous. Shell as a bridge between human and computer communication, if this layer of bridge problems, the consequences imaginable
Once the Docker container is started, the parameters cannot be changed. The most common change in the production environment is the port mapping, in order to solve this problem, then first of all planning, this article listed two port planning scheme, if the subsequent maintenance in order to increase the port mapping scene, this paper also gives a dynamic port mapping expansion scheme.
1. Single IP multi-container mapping plan
This environment is applicable to only a single IP environment, such
| | '--home.html
| '--Some_app
| '--home.html
|-test.db
'--test_project
|-__init__.py
| settings.py
| test_ settings.py
|-
-urls.py '--wsgi.py
This project am started using django-admin.py startproject test_project, so this structure is inside folder Te St_project.
Cloning and trying it out would for you follow along, so go ahead and clone this project.
We assumption is this are working from the same level as manage.py.
Runserver and verify that you can access
8000:80 nginx 6B9A27A9A78B1F4276337776B3401F11F9B52EAA096FEA673E67B4C7439BBC08 # # Use mirror nginx:latest to start a container in background mode, the container's 80 port map to the host's 8080 port, that is, when accessing the host's 8000 port will go to the container 80 port, that is, Nginx interface-P port mapping,
Map the 80 port of the container web2 to port 800
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