crontab format every 5 minutes

Cron mechanism Cron allows the system to perform a specified work at a specified time, and we can use the CRONTAB directive to manage the cron mechanism Crontab parameters -U: This parameter allows us to edit other people's crontab, if not add this parameter, will open their own crontab

then enter a time table in good format in the file. After editing, save and exit. Enter $: crontab cronfile in the command line to submit the cronfile file to the c r o n process, a copy of the newly created cronfile has been stored in the/v a r/s p o l/c r o n Directory. the file name is the user name. Example: execute the command once every 0th minutes of ever

the output of the script to a temporary file. Copy the Code code as follows: */5 * * * */usr/bin/curl-o temp.txt http://www.jb51.net/myscript.php The following example uses the wget access URL to execute PHP scripts every 10 minutes. The-q option indicates quiet mode. "-O Temp.txt" indicates that the output is sent to a temporary file. Copy the Code code as follows: */10 * * * */usr/bin/wget-q-o temp.txt

the day of a week. Program indicates the program to be executed. When f1 is *, the program is executed every minute. If f2 is *, the program is executed every hour, and so on, when f1 is a-B, it indicates that it will be executed from minute a to minute B, when f2 is a-B, it indicates that execution is performed from hour a to hour B, and when f1 is */n, it indicates that execution is performed every n minutes, if f2 is */n, the task is executed ever

executed if it equals 0Test indicates whether the decision was successful indicates that the previous test succeeds when it executesAddedecho $?Indicates whether the last command succeeded or failed, 0 indicates success, 1 indicates failure④ minutes Setting misuse"Run Two hours"The correct wording0 */2 * * * Date"Re-example"1-/2 * * * * COMMANDRepresents the 1th, 3, 5, 7, 9.....19

In addition to crontab, does linux have the command that runs automatically every x minutes-Linux general technology-Linux technology and application information? For details, refer to the following. [I = s] This post was last edited by dchwlinux I am running wine thunder in ubuntu, and it is still okay, that is, the old crash. Fortunately, resumable upload can be performed. So I set it to automatically st

Basic Format:* *** CommandHour, day, month, and week commands The 1st column indicates minute 1 ~ 59. Each minute is represented by * or */1.The first column indicates the hour 1 ~ 23 (0 indicates 0 points)The 3rd column indicates the date 1 ~ 31The 4th column indicates the month 1 ~ 12The Identification Number of column 5th is from day of the week to day ~ 6 (0 indicates Sunday)6th columns of commands to run Some examples of

. The preceding example of-23 ***/usr/local/etc/rc. d/lighttpd restart indicates that apache is restarted every 30 minutes from to every day. 0 23 ** 6/usr/local/etc/rc. d/lighttpd restart the preceding example indicates that apache is restarted at every Saturday. **/1 ***/usr/local/etc/rc. d/lighttpd restart apache * 23-7/1 */usr/local/etc/rc every hour. d/lighttpd restart: restart apache 0 11 4 * mon-wed/usr/local/etc/rc every hour from. d/lighttpd

Basic Format:* *** CommandHour, day, month, and week commands The 1st column indicates minute 1 ~ 59. Each minute is represented by * or */1.The first column indicates the hour 1 ~ 23 (0 indicates 0 points)The 3rd column indicates the date 1 ~ 31The 4th column indicates the month 1 ~ 12The Identification Number of column 5th is from day of the week to day ~ 6 (0 indicates Sunday)6th columns of commands to run Some examples of

From: http://blog.csdn.net/ethanzhao/article/details/4406017 Basic Format:* *** CommandHour, day, month, and week commands The 1st column indicates minute 1 ~ 59. Each minute is represented by * or */1.The first column indicates the hour 1 ~ 23 (0 indicates 0 points)The 3rd column indicates the date 1 ~ 31The 4th column indicates the month 1 ~ 12The Identification Number of column 5th is from day of the week to day ~ 6 (0 indicates Sunday)6th colu

Basic Format: * *** Command Hour, day, month, and week commands The 1st column indicates minute 1 ~ 59. Each minute is represented by * or */1. The first column indicates the hour 1 ~ 23 (0 indicates 0 points) The 3rd column indicates the date 1 ~ 31 The 4th column indicates the month 1 ~ 12 The Identification Number of column 5th is from day of the week to day ~ 6 (0 indicates Sunday) 6th columns of commands to run Some examples of

Format:* *** CommandHour, day, month, and week commands The 1st column indicates minute 1 ~ 59. Each minute is represented by * or */1.The first column indicates the hour 1 ~ 23 (0 indicates 0 points)The 3rd column indicates the date 1 ~ 31The 4th column indicates the month 1 ~ 12The Identification Number of column 5th is from day of the week to day ~ 6 (0 indicates Sunday)6th columns of commands to run Some examples of

Linux crontab Command Format and example Linux crontab Command Format and example Run */5 * every five minutes **** 0 *** per hour **** Execute 0 0 every day *** Execute 0 0 every week ** 0 0 0 1 per month ** Execute 0 0 1 1 * eve

Crontab is a common timing function in linux. It can also be called the scheduled task function. Next I will introduce some formats and usage of crontab commands. Crontab is a service that comes with a scheduled execution program in most Linux releases. You can use the crontab-e command to open a text editor to edit th

Crontab is a service that most Linux distributions bring with them a timed execution program. The CRONTAB-E command enables you to open a text editor to edit a timed task for the current user. The specific format is as follows: Name: crontab Use Rights: All users How to use: c