Upgrading to rsyslog7 without removing cron and dependency package ?

Solution Verified - Updated

Environment

  • Red Hat Enterprise Linux 6
  • rsyslog7
  • rsyslog5

Issue

  • Upgrading to rsyslog7 without removing cron and dependant packages

Resolution

  • NOTE: We strongly recommend you take a backup of your cron and rsyslog configuration files prior to attempting either of the following.

Preferred Method - yum shell

List the currently installed rsyslog package and sub-packages

yum list --disablerepo=* 'rsyslog*'

Create a file, yumctrl, with an install line that includes the rsyslog7 versions of each of the rsyslog packages listed above. The file might then look like

install rsyslog7 rsyslog7-gnutls
remove rsyslog rsyslog-gnutls
run

Then execute yum using the file as follows

yum shell yumctrl

On successful completion ensure the service is available and started.

chkconfig --add rsyslog
service rsyslog start

Alternate Method - rpm nodeps

Use "nodeps" option for removing rsyslog package and then install rsyslog7.

This method relies on temporarily creating an incomplete rpm dependency in the local database. If at all possible the machine should be idle (not running anything other than core daemons) for the duration of the procedure.

Firstly note which, if any, of the extra rsyslog packages are present, specifically rsyslog-gnutls, rsyslog-pgsql and rsyslog-relp.

# rpm -qa 'rsyslog*'
rsyslog-gnutls-5.8.10-10.el6_6.x86_64
rsyslog-pgsql-5.8.10-10.el6_6.x86_64
rsyslog-5.8.10-10.el6_6.x86_64
rsyslog-relp-5.8.10-10.el6_6.x86_64

Then use rpm to remove the v5 packages. And then install the rsyslog7 equivalents.

rpm  -e --nodeps  ` rpm -qa 'rsyslog*'  `
yum install rsyslog7 rsyslog7-gnutls rsyslog7-pgsql rsyslog7-relp

and start the service

service rsyslog start
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