• Analysis of spring boot timing + multithreading execution process


    This article mainly introduces the spring boot timing + multithreading execution process analysis, the article introduces in detail through the example code, which has certain reference learning value for everyone’s study or work, and friends in need can refer to it There are many ways to implement spring boot timing tasks. In a micro project, […]

  • Oracle job interval setting


    Initializing related parameters job_ queue_ processes alter system set job_ queue_ Processes = 39 scope = SPFILE; / / the maximum value cannot exceed 1000; job_ queue_ Interval = 10 / / refresh rate of scheduling jobs in seconds job_ queue_ Process indicates the number of concurrent jobs that Oracle can use show parameter job_queue_process; […]

  • Analysis of the implementation process of spring regular task polling local database


    This article mainly introduces the spring timing task polling local database implementation process analysis, the article through the example code is very detailed, for everyone’s study or work has a certain reference learning value, need friends can refer to What we have to do is very inexplicable. It can be said that it is an […]

  • Explain the usage of crontab command in Linux system


    Execute the operation command regularly. Each user has his own crontab. The configuration file exists under / VAR and cannot be edited directly. -E set timer-List the settings of the current timer-R delete timer settings-I interactive mode, ask before deleting timer settings      Train 1, 2, 3, 4, 5, 6 The first column represents minute […]

  • Detailed explanation of using crontab to create timed tasks under Linux


    Under Linux, crontab can be used to create timed tasks. Common collocation Crontab – e edit task Crontab – L view all tasks [this user] Crontab – R cancel all tasks [the user] Task format Command (specific task) The first five parameters represent time, in order: Parameter range Minutes 0-59 Hour 0-23 Date 1-31 January […]

  • A quick solution to the problem of calling the key job by SQL Server scheduled job


    Error message: Unable to list jar files in plugin folder ‘C:\Windows\system32\config\systemprofile\.kettle\plugins’ Unable to get VFS File object for filename ‘C:\Windows\system32\config\systemprofile\.kettle\plugins’ : Could not find file with URI “C:\Windows\system32\config\systemprofile\.kettle\plugins” because it is a relative path, and no base URI was provi Ded. Unable to get VFS file object for filename ‘C: \ windows \ system32 \ […]

  • FreeBSD Prevents ARP Attacks


    Based on the system’s own environment and commands, a simpler and easier way to curb ARP fraud is to bind its own IP and MAC and declare the situation outside (intranet). Firstly, we use ifconfig to get the MAC address of the current network interface, and then write the IP address of the local intranet […]

  • Method of Deleting Timed Files in Linux


    In Linux, if you want to delete a set-time file in batches, you can use the find command: find /home -maxdepth 1 -type f -newermt “Nov 22” -print The find command finds the type of file created on November 22 in the / home directory and prints it out. – maxdepth is used to set […]