This was come from http://blog.lyhdev.com/2013/01/ubuntu-linux-apt-get.htmlTo remove a software suite under Ubuntu, the instructions used are apt-get remove, for example:sudo apt-get remove Texlive-fullHowever, since this kit was previously installed, it will be a self-installing dependency kit (dependencies), so it needs to be cleaned with autoremove.sudo apt-get autoremoveOr add a reference at remove:sudo apt-get remove--auto-removeBut this is not yet clean, because the preset remove acts to p
to assume the request, uses the weight value to allocate the request probability;{. backend = WebServer1;. Weight = 1;}{. backend = Webserver3;. Weight = 1;}}ACL purge { #定义清除缓存规则, allows IP of 127.0.0.1 and 10.2.16.0 segments to clear the cache through purge method; "127.0.0.1";"10.2.16.0"/24;}Sub Vcl_recv {#Receive模块;if (req.request = = "PURGE"){#当发送
relative path is specified, the path is assumed to be relative to the data directory
>>mysql added a numeric index after the filename. So the final form of the file is Filename.number if you provide an extension in the log name (for example, –log
bin=file_name.extension), the extension is silently removed and ignored.
Replacement policy:
Use the index to loop the file, and the following conditions will loop to the next index
1. Server reboot
2. Server is updated
3. Log reached the maximu
*/; 3. Delete binary log MySQL binary logs can be configured for automatic deletion, while MySQL also provides a secure way to manually delete binary logs Delete all binary log files using reset MASTER; RESET MASTER; Execute the statement, all binary logs will be deleted, MySQL will re-create the binary log, the new log file extension should be numbered again starting with 000001 Only delete part of the binary log files using purge MASTER LOGS;
related to the recycle binDBA_RECYCLEBINUSER_RECYCLEBINRECYCLEBIN
4. display the brief information of the table that the current user has been droppedSQL> show recyclebin
5. Clear the recycle bin content Conditions1) Insufficient tablespace2) insufficient user space quota3) purge command4) after you use the flashback command to restore the table, the record content in the corresponding recycle bin is cleared.
6. Flashback Drop syntaxSQL> FLASHBACK TA
Flashback is not completely restored. droptable: The deleted table name does not seem to have been changed and is not actually dropped (windows recycle bin) -- gt; flashdr
Flashback is equivalent to Incomplete recovery. drop table: The table name of the deleted table does not seem to have been changed and is not actually dropped (the recycle bin of windows) -- gt; flash dr
Flashback is not completely restored. drop table: The table name of the deleted table does not seem to have been change
1. ubuntu11.10-desktop-i386.iso default installation uses lightdm as the default Setter in/etc/lightdm. add the following content to the conf file to enable XDMCP [XDMCPServer] www.2cto.com enabled = true description 1: ubuntu-desktop unity is used in ubuntu11.10 by default. After xrdp is installed, some unity-2d-related errors may occur when Xmanager is used or when you use vncviewer connections, resulting in abnormal functionality when accessing the desktop. Therefore, remove unity-related des
The Flashback Drop flash-back deletion function of Oracle provides a convenient Recovery Method for deleting tables by mistake. The principle of this function is the RecycleBin function of Oracle. Note: If the table to be deleted is originally stored in the SYSTEM tablespace, this function is not supported.
1. Flashback Drop FunctionRestore the table that has been mistakenly dropped. After a table is deleted, you can still view the content of the drop table, which is achieved by viewing the cont
;. Window = 10;. Threshold = 8;}}Backend linuxidc02 {. Host = "192.168.1.141 ";. Port = "7070 ";. Probe = {. Timeout = 5S;. Interval = 2 s;. Window = 10;. Threshold = 8;}}
############# Configure the backend server group and perform health check for 6 seconds. Set the weight using random ################# The default round-robin mechanism is another method ####################Copy codeThe Code is as follows: director idc15474 random{. Retries = 6;{. Backend = linuxidc02;. Weight = 2;}{. Backend
BizTalk: Message Box: General Counters Category Counter Description General Counters Instances-Total Number Tracks the sum of all the instances of each host, which exist within a participant Message Box. msgBox Dead Processes Cleanup (Purge Jobs) Time in seconds for most recent run of SQL agent job which releases database rows associated with dead BizTalk processes. msgBox Msg Cleanup (Purge Jobs) Time in s
\. com" |
Req. http. referer ~ "Http: //. * \. baidu \. com" |
Req. http. referer ~ "Http: //. * \. myselfsite \. com "))
{
Set req. http. host = "www.myselfsite.com ";
Set req. url = "/login/login.html ";
}
}
}
8. How do I know whether the cache hits and the number of hits?
Sub vcl_deliver {
If (obj. hits> 0 ){
Set resp. http. X-Varnish-Cache = "HIT ";
Set resp. http. X-Cache-Hits = obj. hits;
} Else {
Set resp. http. X-Varnish-Cache = "MISS ";
}
}
9. removes the Cookie information contained
req. backend = linuxidc15474 ;}Else {error 404 "Unknown HostName! ";}If (req. request = "PURGE") # Do not allow IP addresses in the non-access control list to clear the varnish cache.{If (! Client. ip ~ Local){Error 405 "Not Allowed .";Return (lookup );}}# Clear cookies with jpg files in URLsIf (req. request = "GET" req. url ~ "\. (Jpg | png | gif | swf | jpeg | ico) $ "){Unset req. http. cookie;}# Determine req. http. X-Forwarded-For. if the front
through PURGE MASTER LOGS
If you have a slave server that is currently reading one of the logs you are trying to delete, this statement does not work, but fails with an error. However, if the slave server is stopped and you happen to have cleared one of the logs it wants to read, the slave server cannot be copied after it is started. This statement can be run safely when the slave server is being copied. You do not need to stop them.
To clear logs, f
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