need a clarification on crontab time format


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting need a clarification on crontab time format
# 1  
Old 05-05-2009
need a clarification on crontab time format

hi,

what exaclt means the below in crontab


30 8-20/2 * * 1-5 /home/devtest/run.sh
# 2  
Old 05-05-2009
Run 30 minutes after the hour, every two hours between 8:00 and 20:00, on weekdays (1-5).
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Calculate Time diff in milli milliseconds(Time format : HH:MM:SS,NNN)

Hi All, I have one file which contains time for request and response. I want to calculate time difference in milliseconds for each line. This file can contain 10K lines. Sample file with 4 lines. for first line. Request Time: 15:23:45,255 Response Time: 15:23:45,258 Time diff... (6 Replies)
Discussion started by: Raza Ali
6 Replies

2. Shell Programming and Scripting

Crontab does not kick at the given time

I have crontab set to be triggered daily @ 8 am and 8:20 am server time. 00 08 * * * /web/scripts/check.sh 20 08 * * * /web/scripts/check.shuname -a Linux mymac 3.10.0-327.36.3.el7.x86_64 #1 SMP Thu Oct 20 04:56:07 EDT 2016 x86_64 x86_64 x86_64 GNU/Linux ls -ltr /web/scripts/check.sh... (9 Replies)
Discussion started by: mohtashims
9 Replies

3. Solaris

Please help why my Crontab is not running on time?

I have set up my cron job on the solaris SunOS 5.10 Generic_138888-03 sun4u sparc SUNW,UltraAX-i2 but it is not running on time as expected. Would you please help me to find out what I did wrong? I want to have this cron job run once every month on the 1st Wednesday of the month, but it ran... (6 Replies)
Discussion started by: ggcc
6 Replies

4. Shell Programming and Scripting

crontab time

good day..how can I simply create a cron job that will be executed every 5mins from 12:01 to 7Pm.. is it like this */5 12:01-19 * * * <path> (3 Replies)
Discussion started by: lhareigh890
3 Replies

5. IP Networking

Clarification - Setting socket options at the same time when socket is listening

I need clarification on whether it is okay to set socket options on a listening socket simultaneously when it is being used in an accept() call? Following is the scenario:- -- Task 1 - is executing in a loop - polling a listen socket, lets call it 'fd', (whose file descriptor is global)... (2 Replies)
Discussion started by: jake24
2 Replies

6. UNIX for Dummies Questions & Answers

crontab format

I need to write a php reminder program. I can execute the file in "putty" and then right away it displays time in seconds and I get my reminder message in the email. The problem is I need to set a time for when I should get a email precisely. Here is the outline: 1) This php program will not... (1 Reply)
Discussion started by: d3158
1 Replies

7. Shell Programming and Scripting

Convert Epoch time format to normal date time format in the same file

I have a file named "suspected" with series of line like these : {'protocol': 17, 'service': 'BitTorrent KRPC', 'server': '219.78.120.166', 'client_port': 52044, 'client': '10.64.68.44', 'server_port': 8291, 'time': 1226506312L, 'serverhostname': ''} {'protocol': 17, 'service': 'BitTorrent... (3 Replies)
Discussion started by: rk4k
3 Replies

8. Shell Programming and Scripting

Extracting time from Crontab

Hi, I am a beginner in shell scripting but I have a task to complete where I have to extract the time of script execution in human format so anyone can run the script and understand what script is running when in simple format. Let me illustrate what I mean: Two scripts in crontab, for this... (4 Replies)
Discussion started by: harjitsingh
4 Replies

9. UNIX for Advanced & Expert Users

why the date format dont work in crontab

Hi I tried to put a cron job which pipes the logfile appended to date +%d but it didnt work . anyone know how to make this happen thanks in advance -prasad (7 Replies)
Discussion started by: p4cldba
7 Replies

10. Shell Programming and Scripting

Start time/end time and status of crontab job

Is there anyway to get the start time and end time / status of a crontab job which was just completed? Of course, we know the start time of the crontab job since we are scheduling. But I would like to know process start and time recorded somewhere or can be fetched from a command like 'ps'. ... (3 Replies)
Discussion started by: thambi
3 Replies
Login or Register to Ask a Question