how to perform traceroute

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Using shell scripts to validate Rman backup sets and perform periodic recovery experiments

statements to find the previous day of the Rman backup set of the Bs_key value saved to a variable bskey_list, this value can be more than one yo, so again with a variable bskey_list_ With_comma these values together with commas. The script "Validate checksum" section, as shown in the following illustration: This is also the most critical aspect of the entire shell script, using the "Validate Backupset Bs_key value list check logical;" (Shaped like validate backupset 6197,6198,6199,6200,620

View cannot compile or materialized view perform task times 0ra-12011 error handling

Recently used a lot of views, mainly statistical data used, built more than 10 materialized views, set in every night to perform the refresh task, but more than 10 of which four are always unable to automatically refresh, manual compilation will be wrong, the implementation of the task will be reported as follows error: Will not be a permission problem, it is not possible to set the time problem, otherwise it can not be normal to refresh only these fe

Crontab in Linux does not perform properly

1 Crond Service not started Crontab is not a function of the Linux kernel, but relies on a crond service that can be started and can be stopped as well. If you stop and you can't perform any scheduled tasks, the workaround is to open it: Crond Or Service Crond Start If prompted Crond command does not exist, may be mistakenly deleted, CentOS can be reinstalled by this command: Yum-y Install Crontabs 2 Permission Issues For example: The script d

JS Timer How to write? is to perform a procedure at a specific time _javascript skill

Copy Code code as follows: $ (function () { var handler = function () { } var timer = setinterval (handler, 1000); var clear = function () { Clearinterval (timer); } }); I'm going to add a page jump to the timer and load the timer on the page load. How to write it? To achieve is like Baidu above the launch of the instant message that the place prompts how many messages. I have a method for the number of Java query bars. How to write JS? Timer: Used to

Debian mount partition not authorized to perform Operati error resolution

This article is to share a solution that solves the problem that the Debian Mount Partition appears not authorized to perform Operati error. After updating to Debian 8.0. Installed the LXDE Desktop Manager.Although very concise, but still like Xfce.It was later found that using Thunar mount partitions under Xfce would appear: not authorized to perform operation error.Inside Mentioned:Check the file/usr/shar

Problems encountered in development: Illegalstateexception:can not perform this action after onsaveinstancestate

This error occurs when using fragment today Illegalstateexception:can not perform this action after Onsaveinstancestate: E/androidruntime (12747): caused By:java.lang.IllegalStateException:Can not perform this action after Onsaveinstancestate at Android.support.v4.app.FragmentManagerImpl.checkStateLoss (fragmentmanager.java:1314) at a Ndroid.support.v4.app.FragmentManagerImpl.enqueueAction (fragmentmanager.

Use Scheduled Tasks in Windows Server 2012 and 2008 to periodically perform a bat batch file to periodically back up MySQL data

the "Trigger" option, click "New", create task Execution time, "Repeat task Interval" after the choice, there is time to choose, is hourly, or every minute, you can choose to modify the time , and then determine.Again to configure the need to perform the "action" is to select the program or BAT file, it is important that the configuration is to select the bat file, in the "Start from (optional)" Here must fill in the corresponding execution program o

Reprinted the database could not being exclusively locked to perform the operation (SQL Server 5030 Error Resolution)

Tags: style blog http io color using for SP dataSQL Server 5030 Error ResolutionToday when using SQL Server, because the database was previously created forgot to set collocation, the database inserted Chinese characters are garbled, so into the options of the databases to modify collocation, the database has appeared could Not being exclusively locked to perform the operation this error, cannot modify character set to Chinese_prc_90_ci_as.The solutio

Use SQL to perform simple and efficient additions and deletions in EF

helpless. In the interface of the new function (using WebSocket real-time driving data), the interface of querying the device information in the background is called, and the Entity data is not found. Then, invoking the same interface can be implemented in other interfaces. I have a lot of doubts about the framework, why?But now the main task is to deliver the function as soon as possible, I wrote down the question.In order to implement the interface that calls query device information in the c

ORACLE12C installation Error: [INS-30131] failed to perform setup validation required initial setup.

Label:Always error when installing ORACLE12, errors are as follows:[INS-30131] Failed to perform the initial setup required to verify the Setup program.Cause-the temporary location could not be accessed.Action-Make sure that the current user has the required permissions to access the temporary location.Additional Information:-Frame Set check fails on all nodes-reason: The cause of the problem is not available-Action: User Action Unavailable failed nod

Oracle EBS grant You do not have sufficient permissions to perform the current operation. Please contact your system administrator.

Label:Workaround 1:Set the profiles of the below three to ' None 'Set the following three configuration files to noneFnd_validation_levelFND Verification LayerFnd_function_validation_levelFND Functional Verification LayerFramework_validation_levelStructure Verification LayerWorkaround 2:The answer given above is: MetalinkThe issue could is related to Roles being missed. Can you perform the following steps:1) Login with the SYSADMIN user and click on u

MySQL ERROR 1045,mysql cannot perform batch processing under Linux

Tags: MySQL cannot perform batch processingLinux under MySQL ERROR 1045:access denied for user: '[email protected]' (Using password:no)This problem occurs every time MySQL is enabled and then I type the command # Mysql-penter password:welcome to the MySQL monitor. Commands Endwith; or \g.your MySQL connection ID is the Version:4.0.20-standard to Server Type ' help, ' or ' \h ' for help. Type ' \c ' to clear the buffer.Mysql> to use, but want to give M

C # Several ways to perform asynchronous operations comparison and summary

C # Several ways to perform asynchronous operations comparison and summary0x00 IntroductionBefore writing a program, when encountering some time-sensitive operations such as HTTP requests, always new thread processing. The Xxxxxasync () and other methods have not been known, but also did not encounter any major problems. Recently, because of the requirements of the DevExpress write interface, ran up found than the native control efficiency is much wor

C # Several ways to perform asynchronous operations comparison and summary

0x00 IntroductionBefore writing a program, when encountering some time-sensitive operations such as HTTP requests, always new thread processing. The Xxxxxasync () and other methods have not been known, but also did not encounter any major problems. Recently, because of the requirements of the DevExpress write interface, ran up found than the native control efficiency is much worse. This is the thought of the "golden rule": Do not perform interface-ind

How to perform rolling upgrade-downgrade in 11g ASM

The purpose of this document is to provide information about the ASM rolling upgrade feature and step by step to install a patchset or patch in ASM home without downtime.Solution The following conditions shoshould be met for to perform ASM rolling upgrade (*) An ASM rolling upgrade applies only to clustered ASM instances. (*) Separate ASM home. (ASM and DB home shocould not be same) (*) You can perform roll

Quick Cocos2dx-lua (V3.3R1) Learning Notes (vii)----Let sprites perform different actions

On an article we realized the Sprite animation, but the character moved up, the position is still in the center, how can this work, unless he is playing space step, step two step by step two step by step like Minion like Devil's pace ... Friction friction on this smooth ground frictionWe open the installation road: \quick-3.3rc1\docs\api The following transition.html, this time we use the function of the document introduced into the wizard to perform

Conditional variable mode-lets threads perform according to conditions

- //Permanent release Lock to Monitor.Exit (m_lock); + } - the Public voidThread2 () * { $ //get a mutex lockPanax Notoginseng Monitor.Enter (m_lock); - the //Process Business data, modify conditions +M_condition =true; A the //unblocking threads may waste some CPU time + //notifies a thread in the waiting queue of a change in the lock object state - //A waiting thread is awakened after the lock

Under CentOS, the shell script enclosed in single quotes does not perform a workaround

Example one;Touch test.shVI test.shInputTest= ' echo ' test* "|grep [a-za-z0-9] |wc-c 'Echo $testSave, Exit VI;SH test.shResult: Echo "test*" |grep [a-za-z0-9] |wc-cDescription not implemented;We modify a pair of single quotes to $ () and the result class is as follows:Test=$ (echo "test*" |grep [a-za-z0-9] |wc-c)Echo $testSave, Exit VI;SH test.shResults: 6Instructions for successful execution!This article is from the "one-day effort" blog, please be sure to keep this source http://java711.blog.

When the Javaweb service starts, it loads a thread in the background to perform a socket listening port

higher the priority of the boot, which must be greater than 0 - 5 servlet> 6 servlet-mapping> 7 Servlet-name>MyListenerServlet-name> 8 Url-pattern>/testUrl-pattern> 9 servlet-mapping> Socket port of the listening method is not written here, people directly in the "-----------start executing----------" after the call can be addedWhere, in the listener way, the thread is definitely first started in the project and takes precedence over any servlet. And the servlet's w

Python, shell scripts perform the same operation, which takes time efficiency comparisons

Nonsense not to say, direct (the first one is the script written by Python, the second and third is the shell):650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/54/93/wKiom1SGpk6Ttl_MAAVPK2KJQoE175.jpg "title=" Python and shell efficiency comparison. png "alt=" wkiom1sgpk6ttl_maavpk2kjqoe175.jpg "/>The file is a nginx log file, a total of 5.83 million lines, and then the number of statistics of each IP occurrence, the execution time of each script as shown above.The test environment is:

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