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Top Forums UNIX for Beginners Questions & Answers Shell script newbie- how to generate service log from shell script Post 303031573 by xiaogeji on Saturday 2nd of March 2019 03:18:33 AM
Old 03-02-2019
Shell script newbie- how to generate service log from shell script

Hi,

I am totally a newbie to any programming languages and I just started an entry level job in an IT company. One of my recent tasks is to create a script that is able to show the log file of linux service (i.e. ntpd service)
lets say, if I run my script ./test.sh, the output should be similar to :
Code:
2019-02-26 09:15:00 +1100,Success,ntpd,restart,Service Successfully Restart

I dont know if I didnt get the right requirement or something, I found a lot of scripts online but none of them worked for my case. One thing that I don't understand is, do I firstly need to have an existing .log file that has all the ntpd service history? I check var/log/ntpstats but there is no log files.

I would really appreciate if anyone could give me some ideas, if you need any clarifications please let me know.

Thanks very much

xiao

Last edited by vbe; 03-02-2019 at 04:42 AM.. Reason: code tags
 

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service(8)						      System Manager's Manual							service(8)

NAME
service - run a System V init script SYNOPSIS
service SCRIPT COMMAND [OPTIONS] service --status-all service --help | -h | --version DESCRIPTION
service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working directory set to /. The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT. The supported values of COMMAND depend on the invoked script, service passes COMMAND and OPTIONS it to the init script unmodified. All scripts should support at least the start and stop commands. As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start command. service --status-all runs all init scripts, in alphabetical order, with the status command. EXIT CODES
service calls the init script and returns the status returned by it. FILES
/etc/init.d The directory containing System V init scripts. ENVIRONMENT
LANG, TERM The only environment variables passed to the init scripts. SEE ALSO
/etc/init.d/skeleton, update-rc.d(8), init(8), invoke-rc.d(8). Jan 2006 service(8)
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