Load balancers are often referred to as four-tier switches or seven-tier switches. The four-layer switch mainly analyzes the IP layer and the TCP/UDP layer to achieve four-layer flow load balancing. In addition to supporting four-tier load balancing, the seven-tier switch also contains information on the analysis application layer, such as HTTP protocol URI or cookie information.
First, F5 configuration steps:
1,
Release date:Updated on:
Affected Systems:F5 TMOS 11.xF5 TMOS 10.xDescription:--------------------------------------------------------------------------------Cve id: CVE-2011-3192
TMOS is a full proxy solution for application delivery networks.
F5 TMOS has a security vulnerability in the implementation of ByteRange Filter, which can be exploited by malicious users to cause DOS.
Link: http://support.f5.com/kb/en-us/products/big-ip_ltm/releasenotes/
For example, define F5 as the compile execution, F7 as the compile, Ctrl-F7 as the run, define F12 as the debug, because F11 is also used in the terminal under Ubuntu.
"Remap F5 to complie the C ++ Program
Every time we add a folder in the window or delete an object, we must press the "F5" key to refresh the window, which is especially troublesome. You can modify the registry to perform automatic refresh.
1. Enter the primary key [HKEY_LOCAL_MACHINESystemCurrentControlSetControlUpdate].
2. Change the binary value "UpdateMode" to "00 00 00 ".
SymptomIn Windows Resource Manager, when you create, paste, or delete a file, the user interface may not be up
Javascript code that shields the right-click, Ctrl + n, shift + F10, F5 refresh, and backspace keys
Function KeyDown (){
If (window. event. altKey )
(Window. event. keyCode = 37) | // mask Alt + direction key seek
(Window. event. keyCode = 39) {// mask Alt + direction key →
Alert ("you are not allowed to use ALT + arrow keys to move forward or backward the webpage! ");
Event. returnValue = false;
}
/* Note: this does not really block Alt + direction
The equation A5+b5+c5+d5+e5=f5 has exactly one integer solution satisfying the 01 usingSystem;2 3 namespacereversetheexponentiation4 {5 class Program6 {7 Static voidMain (string[] args)8 {9Program P =NewProgram ();Ten p.reversetheexponentiation (); One } A - voidreversetheexponentiation () - { the intA, B, C, D, E, F; - for(F = the; F >0; f--) - { -
The first two days of moving to Alibaba Cloud suffered a headache... Low host configuration, high demand for Nima wp...It's just a few times before F5. Why are you so embarrassed? Why are there so many bad host configurations that have been used before...O (???) O Alas, I will not speak out about Alibaba Cloud. Maybe when you see this site, this station is still squatting here on Alibaba Cloud!A piece of code is attached belowPrevent the database
Disable F5 to refresh the jquery instance code:F5 has the ability to refresh the Web page, you may sometimes need to disable this feature, and here's a code example to explain how to implement this feature.The code is as follows:$ (document). Ready (function() { $ (document). Bind ("KeyDown",function(e) { var e=window.event| | e; if (e.keycode==116) { = 0; return false ; } }) })The above code to achieve our requirements,
to use Response.Redirect (Request.Url.ToString ()) in your commit event; Jump to the current pageThen the solution is coming, since the submission form will not be rejected. Then we'll do a form refresh. First we have to find out what is going to be repeatedly submitted when the page is refreshed. This involves a server object request, which is called for the moment. The people who do web development are very familiar with it. The data that is submitted, whether it is a post or a Get method or
don ' t know even for F5, let alone we competitors), and the element with the highest value are chosen to receive the connection. This somewhat counters the weaknesses of the both of the original algorithms, but does no account for when a server was about To is overloaded–like when three requests to that Query-heavy JSP has just been submitted, but not yet hit the heavy Wo RK.
Predictive : The predictive method uses the ranking meth
In General, many brands of notebooks can turn on or off wireless by fn+f5 this shortcut key. However, there are a small number of Win8 users through the shortcut key but can not open wireless, what is the situation? How to solve?
The method is as follows:
1, right key My computer--management--Device Manager--network adapter. Check the wireless card driver is installed correctly, can not identify the wireless network card, whether the network
Disable the right mouse button menu bar
$ (' body '). Bind ("ContextMenu", function (event) {return
false;
});
Disable shortcut keys
$ ("body"). Bind ("KeyDown", function (e) {
e=window.event| | e;
Prevent the space bar from paging
if (event.keycode==32) {return
false;
}
Mask F5 Refresh key
if (event.keycode==116) {
e.keycode = 0;//ie needs to be set to KeyCode false return
Win7 Desktop does not automatically refresh need to press F5 key to do? The Win7 system desktop holds shortcuts to programs, files, and folders, such as My Computer, network, browser, and Recycle Bin. Shortcuts enable you to quickly open the programs you need, and also facilitate management. Sometimes the user feedback said Win7 flagship system desktop can not automatically refresh, each time you have to manually press the
[Share] The Real-time memory database eXtremeDB is successfully applied to the F5 network company LAN traffic management system-Linux Enterprise Application-Linux server application information. The following is a detailed description. The famous network equipment industry leader and F5 network company in the United States use the eXtremeDB real-time database of McObject as a core technology of their latest
[Oracle @ localhost ~] $ Asmcmd help = y
Commands:
--------
Cd
Du
Find
Help
Ls
Lsct
Lsdg
Mkalias
Mkdir
Pwd
Rm
Rmalias
① List Directory Information
ASMCMD> ls
DATA/
ASMCMD> ls-al
State Type Rebal Unbal Name
Mounted normal n data/
② Alias
ASMCMD> ls-al
Type Redund Striped Time Sys Name
Onlinelog mirror fine nov 04 19:00:00 Y none => group_4.256.798491239
ASMCMD> mkalias group_4.256.798491239 redo_log_group_3.log
ASMCMD> ls-al
Type Redund Striped Time Sys Name
Onlinelog mirror fine nov 04 19:00
[oracle@localhost ~]$ asmcmd help=y commands: -------- cd du find help ls lsct lsdg mkalias mkdir pwd rm rmalias
① List Directory Information
ASMCMD> lsDATA/ASMCMD> ls -alState Type Rebal Unbal NameMOUNTED NORMAL N N DATA/
② Alias
ASMCMD> ls -alType Redund Striped Time Sys NameONLINELOG MIRROR FINE NOV 04 19:00:00 Y none => group_4.256.79849123
=150*.remote_login_passwordfile='NONE'*.sga_target=418381824*.undo_management='AUTO'*.undo_tablespace='UNDOTBS1'*.user_dump_dest='/u01/app/oracle/admin/orcl/udump'SPFILE='+WATER/ORCL/spfileorcl.ora'
⑺ Check the connection between the ASM instance and the database instance
ASMCMD> lsctDB_Name Status Software_Version Compatible_version Instance_Nameorcl CONNECTED 10.2.0.1.0 10.2.0.1.0 orcl
Summary:The first migratio
If sendmail is used in F5, the client can send and receive mails very slowly-Linux general technology-Linux technology and application information. The following is a detailed description. 2.6.15-1.2054_FC5 in use, install sendmail
It has always occurred recently, and sending and receiving emails always need to be tried multiple times before the operation can be successful.
This is the case for both LAN and Internet.
I tried to ping the email serve
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