permissions of the soft link file, different from the original file4, modify any file, the other changes5, delete the original file, soft links can not be usedLess restrictive, and flexible[[email protected] ~]# lsAnacondalks.cfg Cangls Install.log Install.log.syslog[Ro[email protected] ~]# ln-s/root/anaconda-ks.cfg/tmp/cangls.soft[Email protected] ~]# Ln/root/cangls/tmp/cangls.hard[email protected] ~]# LLTotal Dosage 40-rw-r--r--. 2 root root 1207 January 22:00 Cangls...[Email protected] ~]# l
[MySQLbinlog] thoroughly parses the binlog bitsCN.com in the Mixed log format
Mysql binlog3 formats: row, mixed, and statement. parsing
Mysqlbinlog -- base64-output = DECODE-ROWS-v mysql-bin.000144 | more
-Base64-output = DECODE-ROWS:The SQL changes in the row mode are displayed.
-V:Displays SQL statements in statement mode.
[Mysql @ 002tmp] $ mysqlbinlog -- base64-output = DECODE-ROWS-v mysql-bin.000144 |
In cocos2dx 2.2.2, Cocos uses the clog write date, and the format is C's printf method to generate logs. There are also many c ++ stream logs, similar to cout operations. I have read a lot, such as log4cxx. But personal movement is a little big. I added support for streaming in my original logs. And smoothly transplanted to the cocos2dx environment for use. Download is an example used in cocos2dx.
Cocos2dx log
This is a creation in
Article, where the information may have evolved or changed.
Go Language Log output
Bits or ' Ed together to control what's printed.//there is no control over the order they appear (the order listed//her e) or the format they present (as described in the comments).//The prefix is followed by a colon if llongfile or L shortfile//is specified.//For example, Flags Ldate | Ltime (or lstdfl
1. Instantiate a Patternlayout objectLog4cpp::P atternlayout* playout = new log4cpp::P atternlayout ();2. Instantiate a Rollingfileappender objectlog4cpp::rollingfileappender* Rollingappender = new Log4cpp::rollingfileappender ("Rollingfileappender", Path);Playout->setconversionpattern ("%d:[%t][%05p]%c%x-%m%n");3. Attaching the Playout object to the Rollingappender objectRollingappender->setlayout (playout);4. Instantiate a Category Objectlog4cpp::category Logcat = log4cpp::category::getinstanc
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Automatically split squid logs and generate a log with a date format file name every day
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MySQL binlog3 type format, row,mixed,statement. Parsing work
Mysqlbinlog--base64-output=decode-rows-v mysql-bin.000144 |more
--base64-output=decode-rows: Shows the SQL changes brought by the row mode.
-V: Shows the SQL statement brought by the statement mode
Copy Code code as follows:
[mysql@002tmp]$ mysqlbinlog--base64-output=decode-rows-v mysql-bin.000144 |more
/*!40019 SET @ @session. max_insert_delayed_threads=0*/;
/*!50003 SET @
Apache has documents that provide a detailed index of the log format, the following are some of the most important domains:Normal log format:%H: When a client (for example, a browser) makes a connection request to the server, its own IP address or domain name (to open hostnamelookups).%u: The number of the user under t
Python timer usage + get script where absolute path + define log format test codeIf you write a script with a timer in Python, if the script also read the configuration file, then the configuration file path if you write to die, one day to change the directory, you need to change the script configuration file path, and every time the script is located in the path with nohup boot to the background is very tr
and more versions)%q query string (if present by a "?" Boot, otherwise return empty string)%r the first line of the request%s status. For internal redirection requests, this state refers to the state of the original request, and-%>s refers to the state of the last request.%t time, in normal log time format (Standard English format)%{
Replication classification based on SQL statement replication-SBRMain Library binary log format using statementPrior to MySQL 5.1 there was only SBR mode, also known as logical replication.The main library records the SQL statements of the CUD operation, which are read and replayed from the library.
Advantages
Generate less log volume and sav
When you start Tomcat, the log format that is output in catalina.out may not be ideal.
See the default format for some versions:
April 24, 2018 6:49:32 pm Org.apache.catalina.startup.Catalina start
Info: Server Startup in 9772 MS
A bit awkward, want to adjust to the following format:
24-apr-2018 18:52:16.134 INFO [mai
The test platform that recently took over a new project uses the spring transaction mechanism, always prompts for authentication timeout when user authenticates login, and then looks at the corresponding application server logs and finds the reported exception:
Binary logging not possible. Message:transaction level ' read-committed ' in InnoDB isn't safe for Binlog mode ' STATEMENT ' ...
......
A front-end application server reported the following error:
{"Returnno": 0, "ListField": [{"Userc
\ "%>s%b" common#h表示host来源IP, l means the login user, u represents the user password, T represents time, R indicates request (behavior), s indicates status code, B is byte size#user-agent: User agent#referer: Jumps to the previous URL at the current location (that is, the Web site that provides the current IP)That is, there are two formats for combine and common, and common mode is used by default.Configuration log FormatEdit the virtual host profile
1: Error log mass error
150602 14:40:02 [Warning] Unsafe statement written to the binary log using statement format since Binlog_format = Statemen T. INSERT ... SELECT ... On DUPLICATE KEY UPDATE are unsafe because the order of which rows are retrieved by the SELECT determines which (if any) RO WS are updated. This order cannot is predicted and may differ on the
The following error occurred with the reboot Nginx:
Nginx: [Emerg] Unknown log format "Proxy_log" in/usr/local/macports/etc/nginx/nginx.conf:147
Solution:
Open nginx.conf, "main" error is due to the loss of the Log_format option, before shielding him off, modify the problem solved.
User nginx Nginx;
PID /var/log/nginx/nginx
First, Introduction
The format of the log file in Nginx is defined in nginx.conf, and its default format is as follows:
#vim/usr/local/nginx/conf/nginx.confLog_format access ' $remote _addr– $remote _user [$time _local] "$request" ' $status $body _bytes_sent ' $http _referer ' "$ Http_user_agent "$http _x_forwarded_for";
Where the meaning of each field is as foll
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