log parser 2 2 commands

Done A[Email protected]:~/testshell>./whiletest.SH -var =2 -var =1 thevar =03.until Command Basic format1 until Test Commands 2 Do 3 Other commands4 done1[Email protected]:~/testshell>CatUntiltest.SH 2#!/bin/Bash3#testuntilCommand4 5Var=56 7 until[$var-GT8 ]8 Do9((var++ ))Ten Echovar =$var One Done A[Emai

: Enter the CD Bin (the main demo is under the Window System) Continue input: mongod-dbpath= "D:\mongo\data" The last line of code tells us that the server port is on port 27107. Let's then reopen a command window to connect to the server: Under the corresponding root directory file: Enter MONGO: Here we can learn simple database operations: As a small white, if you do not know what commands, then you can enter help to assist you to view. MongoDB

to start with a new image1, continue to modify, submit Image2 Delete Image1 Of course this will be very painful, so it is generally used Dockerfile to build get the final image, reference [] Although a new image is generated and you can see 100MB in size, it is very quick to know from the commit process that it does not take up 100MB of hard disk space independently, but only modifies it on the basis of the old mirror, which shares most of the common "slices". Continue belo

Date: Time ManagementLinux:Hardware clock: Clock,hwclockHwclock-W: Change Hardware clock-S: Change the system clockSystem clock: DateRtc:real Time ClockNtp:net Time ProtocolGet help with using the command:Internal command:Help COMMAND:External command:COMMAND--helpCommand manual: ManualMans COMMANDWhatis command: View the commands sectionSub-chapters:1: User command/bin,/usr/bin,usr/local/bin2: System call3: library Call4: Special files (device files)

compiled into the a.out file. In the actual development, we often need to use the strings command to confirm and verify, to ensure foolproof. Sometimes, your changes are not wrong, but the actual is not compiled into the library, and therefore can not be effective, puzzled for a long time, misleading.I almost have to use the strings command every day, so I fell in love with strings.For more information on strings, I enclose the address of the previous article: http://blog.csdn.net/stpeace/artic

information[Email protected] data]$Ipcs-u--human ------Messages Status--------allocated Queues=0used Headers=0used Space=0B------Shared Memory Status--------Segments Allocated4Pages Allocated1760Pages Resident339pages swapped0Swap Performance:0Attempts0successes------Semaphore Status--------used Arrays=0allocated semaphores=0Additional format controls:Ipcs-l--humanDisplay size in a way that humans can read[Email protected] data]$ IPCS-L --human ------Messages Limits--------max queues System w

Ii. File directory commands CD [path] can be a relative or absolute path to change the working directory. This command changes the current directory to the specified directory. If no path is specified, return to the user's main directory. To change to the specified directory, you must have the execution and read permissions on the specified directory.You can use "CD-" to return to the previous working directory."./" Indicates the current directory, a

Tags: entry rmdir directory files Linux Common commands delete contains modify parameters txtecho "Hello" >> test.txt append hello to test.txt a > is overwrite two >> is appendecho {0..10}0 1 2 3 4 5 6 7 8 9 10echo {A.. ZA b c d e F g h i j k l m n o p q R S t u v w x y ZEcho stu{0..10}Stu0 stu1 stu2 stu3 stu4 stu5 stu6 stu7 stu8 stu9 stu10Touch file{1..10} Create File # 1-10mkdir stu{0..10} Create folder S

, compression is faster. Although it is faster than repairDatabase, this command will block all other operations during running and is slow. You can run it during scheduled maintenance. If you run this command on the secondary node of the replication group, the secondary node will automatically downgrade itself to the "recovery" status until the compression is completed. Cancel one compression At the beginning of compression, the index of the set will be deleted. After compression, the index is

]:~/linux/awk$awk--re-interval'$2~/192\.168\. [0-9] {1,3}\. [0-9] {1,3}/{print}'host.txt host1192.168.1.1Host4192.168.3.98Host5192.168.3.98Host6192.168.9.254$: The 2nd column, followed by the ~ indicates that the second column matches the result of the regular expression followed by the true, execute action, here is the print current line {print}, if added! is to take the counter[Email protected]:~/linux/awkawk'$2