01-02-2012
Quote:
Originally Posted by
ahamed101
That is a simple while loop. It reads each line from the file ip_list into the variable ip. And within the loop, it is being echo-ed here. You missed the do and echo.
And regarding you second requirement, I still didn't get you. You want to check if the first IP was ok and then continue with the next IP's? or is it something else?
--ahamed
1.1.1.1
2.2.2.2
3.3.3.3
check each ip twice before moving onto the next one so
1.1.1.1
1.1.1.1
2.2.2.2
2.2.2.2
3.3.3.3
3.3.3.3
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LEARN ABOUT CENTOS
service
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.
If the init script file does not exist, the script tries to use legacy actions. If there is no suitable legacy action found and COMMAND is
one of actions specified in LSB Core Specification, input is redirected to the systemctl. Otherwise the command fails with return code 2.
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
chkconfig(8), ntsysv(8), systemd(1), systemctl(8), systemd.service(5)
Jan 2006 service(8)