obd2 mode 8 commands

different. When the destination directory is present, the entire source directory is copied to the target directory. Example four: copy of Log.log Create a link file log_link.log command:CP-s Log.log log_link.log output: [[email protected] test]#CP-s Log.log log_link.log[[email protected] test]# lllrwxrwxrwx1Root root7 Ten- - the: -Log_link.logLog.log-rw-r--r--1Root root0 Ten- - -: -LOG.LOGDRWXR-xr-x6Root root4096 Ten- - on: -scfdrwxrwxrwx2Root root4096 Ten- - -: -test3drwxrwxrwx2Root root4

8. Basic Redis commands-management-persistence-RDB, redis-rdb1. Redis supports two methods of Persistence: RDB and AOF. It can be used separately or in combination.2. The rdb a and RDB modes are the default persistence methods adopted by Redis, which are completed through snapshots. When certain conditions are met, Redis automatically takes snapshots of all data in the memory and stores them on the entire h

connecting to the server disconnects, the server side also exits.Server-side:? 1 $ nc-l 2389 Client:? 12 $ nclocalhost 2389^C Server-side:? 12 $ nc-l 2389$ In the above example, the server side also exits immediately when the client disconnects.We can use the-K parameter to control that the server does not exit because the client disconnects.Server-side:? 1 $ nc-k -l 2389

One, by setting "System Configuration" restart into Safe mode This requires access to the system, the ability to open the Control Panel, or the Start screen, or to run commands. The following are only the ways to enter the system configuration by running the command (easiest and fastest): At the same time click on Windows Start +r button, pop-up Run Command box, in the box to enter "Msconfig" and return

, the cast type is the interface Command (command) It.next ()). Execute (); }}Thus, the caller basically only deal with the interface, not specific implementation of the interaction, which also embodies a principle, interface programming, so that in the future to add a fourth specific command, you do not have to modify the caller Testcommand in the code.Understand the core principle of the above code, in use, should each have their own method, especially in how to separate the caller and the sp

, etc. This will allow you to paste your favorite content into a different register to spare Want to paste somewhere, directly to move the cursor to a place, press the ' AP can, and so on, b,c ... Registers, etc. In the current screen H jumps to the first line M jumps to the middle row L jump to the last line 15. Table 8-2 Delete Commands Delete command action D l deletes the current character (sa

edit state after Press W is a word back. Note that if you press ESC in edit State, Exit and then enter: W return, which is saved. 2,: Q is an exit, and when there are no unsaved changes, it will use 3,: q! is out and not saved. 4, u can cancel the modification just now, Ctrl+r can cancel the modification that you cancel. Note: The command with: number is ESC first, then: Command carriage return execution, without:, is ESC and then enter execution. 5, forget what is currently editing the fi

refer to the following table ........................... ............................ 1.10Working with source codeSee python example below: http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-python.htmldef foo (x): if x>0: return x+1 else: return x-1return foo (5) G C-c ' Enter exit code block edit C-x c-s writing code blocks from the edit area 2Emacs Basic Operations2.1Emacs Lookup C-s C-s Find the nex

Just installed the Linux virtual machine, using the VI command to try to modify the IP configuration, the result is garbled. Configuration IP file content itself is not garbled, mainly VI editing command line prompt garbled, for example, press I is the insertion mode, the result is garbled elevation, not prompt insertion.Workaround: Modify the contents of the/etc/sysconfig/i18n fileChange Lang to lang= "en_US" on the internet. UTF-