asterisk uptime

The TCP/IP network communication software package uses remote access commands. These commands were first developed for Arpanet by UC Berkely. It allows you to remotely register to another system and copy files from one system to another. You can

Understand cron concepts The cron daemon is a small subsystem composed of utilities and configuration files. cron of a certain style can be found in almost all UNIX-like systems. CronComponents include the daemon itself, a set of system-wide

Starting and shutting down Oracle listeners is a fundamental task for DBAs, but Linux system administrators or programmers sometimes need to do some basic DBA work in the development database, so it is important for them to understand some basic

The Linux system is controlled by a cron (Crond) system service. The Linux system already has a lot of planned work on it, so this system service is started by default. In addition, because the user can set the scheduled task themselves, the Linux

One, crontab is what. 1. Timing Task Software Type At the scheduled command that ends only once, you need to start a back-end ATD service.Crontab need to start a service Crond, Crond service is implemented through Crontab command.Anacron can not

Requirements Background: Set up a Hadoop virtual machine distributed cluster environment, the need for regular clock synchronization to ensure that the machine time in the cluster is synchronized. Design: Use Linux timing Task Crontab command,

Lsnrctl (Listener control) is a sql*net tool for controlling the database Listener, which provides commands to control the start, stop, and view Listener status of Listener. Change the configuration parameters of listener and so on.Lsnrctl

Basic format:whichMinute: Represents a minute, which can be any integer from 0 to 59.Hour: Represents an hour, which can be any integer from 0 to 23.Day: Represents a date, which can be any integer from 1 to 31.Month: Represents the month, which can

The AT command is a routine scheduled task that runs only once, and the Linux system is controlled by a cron (Crond) system service. The Linux system already has a lot of planned work on it, so this system service is started by default. In addition,

1, problem descriptionColleague said stuck, connect Oracle database is very slow, it takes a long time, even to make a simple query is very slow, it feels like Hang master general.2, AnalysisOracleServer LoadStart logging in, view the Oracle server,