log parser 2 2 commands

Common Linux commands (2) -- permission management command 1. Command name: chmod www.2cto.com execution permission: All Users Function Description: Change the file or directory permission Syntax: chmod [{ugo} {+-=}{ rwx}] [file or directory] [mode = 421] [file or directory] chmod user type add or remove permission file or directory pair the owner of file a adds the execution permission [root @ localhost ab

Linux basic commands (2) commands on disk space, linux disk spaceDisk Space commands Command Function Mount Mount a File System Umount Detach a mounted file system Df Check the disk space of each hard disk partition and mounted file system Du Show file directo

Improve readability of information in kilobytes, MB, GB -S Only the sum of each file size is listed -X Only compute files that belong to the same file system 2.5 fsck CommandThe function of the fsck command is to check and repair the Linux file system, which is best used when no one or no partition hangs up, in fact, each boot system will do a check to see if there is a bad track or data loss phenomenon. Usage:fsck (-option) partition name

Common Linux commands (2) -- permission management command 1. command name: chmodwww.2cto.com execution permission: all users function description: change the file or directory permission syntax: chmod [{ugo} {+-} {rwx}] [file or directory] [mod... common Linux commands (2) -- permission management command 1. command n

Permission management command: 1. chmod [changethepermissionsmodeofafile]: binchmod syntax: chmod [{ugo} { amp; 43; -=}{ rwx}] [file or directory name] intuitive egchmodu amp; 43; wxfilenamechmodo-xfilename Permission management command: 1. chmod [changethe permissions mode of a file]:/bin/chmod Syntax: chmod [{ugo} {+-=}{ rwx}] [file or directory name] // intuitive E.g. chmodu + wx filename Chmodo-x filename Chmodg = rwx filename Or: chmod [mode = 421] [file or directory] // Recommended Numbe

Permission management command: 1. chmod [changethe permissions mode of a file]:/bin/chmod Syntax: chmod [{ugo} {+-=}{ rwx}] [file or directory name] // intuitive E.g. chmodu + wx filename Chmodo-x filename Chmodg = rwx filename Or: chmod [mode = 421] [file or directory] // recommended Number of the permission pair: R-4 W-2 X-1 E. g. rwxr-xr -- 754 Rw-r-x -- x 651. 752rwxr-x-w- Chmod777 dir1 // set the directory dir1 to have all permissions for all use

End_log_pos 528992 event: The Id:thread of the thread on which the server executes this event when the query event occurs The time stamp of the _id=29 statement and the difference between writing it to the binary file: exec_time=0 error code: Error_code=0 Event Content: Gtid:global Transaction ID, mysql5.6 with MARIADB10 version exclusive properties: GTID Use mysqlbinlog mariadb-bin.000001 > file.sql commands to redirect to a SQL file, and t

One, log type: MySQL has several different log files that can help you find out what's going on inside Mysqld: The type of information that the log file is logged into the fileThe error log records issues that occur when you start, run, or stop.query log records establishe

}: grouping, A and B are used as a unit of use,|: Alternatively, only one can be selected;...: Similar content can appear more than one;Man's brief use mechanism:Flip Screen:SPACEBAR: Turn a screen at the end of the file;B: Turn the file to the first screen;Enter: Flip a line to the end of the file;K: Flip a line to the file header;Ctrl+d: Half-screen to the tail of the file;Ctrl+u: Turn half screen to file header;Text Search:/keyword: Search the tail of the file;Keyword: Search the file header;

default, both head and tail display 10 rows of content. The following is a comprehensive example: Root @ localhost lpi103-2] # dmesg | tail-N15 | head-N 6 # first from the last 15 lines to the end, then take the first 6 lines tg3. 0: eth0: link is up at 100 Mbps, full duplextg3. 0: eth0: flow control is on for Tx and on for rxtg3. 0: eth0: link is downg3. 0: eth0: link is up at 100 Mbps, full duplextg3. 0: eth0: Flow Control is off for Tx and off for

-planting door batch processing. The two batch processing and post-door program (windrv32.exe.pdf, And the batch xec.exe should be placed in a unified directory. Batch Processing contentStill scalable. For example, adding the log clearing + DDOS function and adding users regularly can enable automatic propagation (worm ). I will not describe it here. If you are interested, you can study it on your own. 2. H

Oracle Data Guard from the macroscopic point of view, mainly provides the following two services: 1) Log transmission: The main library transmits the generated redo log to the standby library; 2 log application: The redo log, which is transferred from the main library, is

1. One of the most basic examples of using the logging framework to write a log is basically three steps Introduction of Loggerg Class and Logger factory class Statement Logger Record log Let's look at an example1. Introduction of the SLF4J interface Logger and Loggerfactoryimport Org.slf4j.logger;import Org.slf4j.loggerfactory;public class UserService { //

recovery process is the fastest in all policies, relative, its backup process is the slowest of all strategies, in addition, A pure full backup cannot purge the things log (using a full or bulk recovery model with a point-in-time recovery feature), which can be used as a supplementthe truncate_only clause executes a thing log backup, emptying only and not backing up the thing