Global Zone getting crontab info from zone Post: 302998162

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Operating Systems Solaris Global Zone getting crontab info from zone Post 302998162 by dakelly on Friday 26th of May 2017 10:39:03 AM

05-26-2017

Registered User

Global Zone getting crontab info from zone

Hi,

First post.

I have a script that I am having a little trouble with and I hope someone can help.

I will post the code for your input, but I want to read the lines of a file and use this as input to a command in a while loop...

Code:

#!/bin/sh
#
#
###  Variables
MSG=/tmp/tmptest.txt
HOST=`hostname`
DAT=`date`
ZONES=/tmp/tmpzones.txt

#this next line works fine
zoneadm list | grep -v "global" | sort >> $ZONES

# the next line performed here works perfectly well - if I type the server name in manually  (hashed out just now)
# zlogin SERVER_NAME crontab -l | grep "/shutdown" >> $MSG

while read ZONE
do
  # the next line is what i want to achieve, but does not work - tried different combinations of " ' ` in different places...
  #echo zlogin "$ZONE" crontab -l | grep "/shutdown" >> $MSG
  # the next line proves the while loop works
  echo "this works for $ZONE" >> $MSG
done <"$ZONES"

Say my ZONES file produces
Server1
Server2
Server3

then my while loop just now produces:
"this works for Server1"
"this works for Server2" ... etc

but I am wanting to do a zlogin to the server(s) within the global zone to get the crontab info of that server if it has a reboot set.. then i can email it out to the relevant users.

can anyone help?

davy

dakelly

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LEARN ABOUT OPENSOLARIS

zcons

zcons(7D)							      Devices								 zcons(7D)

NAME

       zcons - Zone console device driver

DESCRIPTION

       The  zcons character driver exports the console for system zones. The driver is comprised of two "sides:" a master side with which applica-
       tions in the global zone communicate, and a slave side, which receives I/O from the master side. The slave side is available in the  global
       zones.

       Applications must not depend on the location of /dev or /devices entries exported by zcons. Inside a zone, the zcons slave  side is fronted
       by /dev/console and other console-related  symbolic links, which are used by applications that expect to write to the system console.

       The zcons driver is Sun Private, and may change in future releases.

FILES

       /dev/zcons/<zonename>/masterconsole

	   Global zone master side console for zone <zonename>.

       /dev/zcons/<zonename>/slaveconsole

	   Global zone slave side console for zone <zonename>.

       /dev/zconsole

	   Non-global zone console (slave side).

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       | Interface Stability	     |Sun Private		   |
       +-----------------------------+-----------------------------+

SEE ALSO

       zoneadm(1M), zonecfg(1M), attributes(5), zones(5)

SunOS 5.11							    24 Aug 2003 							 zcons(7D)