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talk:howtos:general_admin:openrc [2018/11/06 19:35 (UTC)]
aaditya add section for migration to openrc 0.39+ 		talk:howtos:general_admin:openrc [2018/11/07 07:16 (UTC)]
aaditya [migrating] update formatting and structure
Line 25: Line 25:
 === Migrating to OpenRC 0.39+ from previous versions === === Migrating to OpenRC 0.39+ from previous versions ===
  
-OpenRC 0.39, as shipped via [[https://slackbuilds.org/|SBo]], features 2 main changes:+OpenRC 0.39.2, as //**planned**// to be shipped via [[https://slackbuilds.org/|SBo]], features 2 main changes:
  
-  * **openrc-init** is being used as init instead of ///sbin/init//+  * //openrc-init// is being used as init instead of ///sbin/init//
   * Service and configuration directory has been changed to ///etc/openrc// instead of ///etc//   * Service and configuration directory has been changed to ///etc/openrc// instead of ///etc//
  
-Both these changes were done to have a clean{er} OpenRC install which can co-exist with other init systems like sysvinit (default), runit, etc, just by changing a boot parameter.+Both these changes were done to have a clean{er} OpenRC install which can co-exist with other init systems like sysvinit (default), runit, etc, just by changing boot parameters.
  
-To change from ///etc/init.d// to ///etc/openrc/init.d//:+Following articles have more info:
  
-  # migrate existing services +  * [[https://docs.slackware.com/howtos:general_admin:openrc#openrc-init|To switch to openrc-init]] 
-  for service in /etc/init.d/*; do +  * [[https://docs.slackware.com/howtos:general_admin:openrc#migrating_from_etc_initd_to_etc_openrc_initd|To switch to /etc/openrc/init.d]]
-    svcname=$(basename "$service") +
-    if [ ! -e "/etc/openrc/init.d/${svcname}" ]; then +
-      if [ -f "/etc/init.d/${svcname}" ] && grep -q openrc "/etc/init.d/${svcname}"; then +
-        cp -v "/etc/init.d/${svcname}" "/etc/openrc/init.d/${svcname}" +
-      elif [ -L "/etc/init.d/${svcname}" ]; then +
-        # check if symlink is of a service +
-        service_target=$(readlink -f "$service") +
-        service_target_name=$(basename "$service_target") +
-        if [ $(dirname "$service_target") = "/etc/init.d" ]; then +
-          ln -sv "/etc/openrc/init.d/${service_target_name}" "/etc/openrc/init.d/${svcname}" +
-        fi +
-      fi +
-    fi +
-  done +
-   +
-  # enable existing services +
-  for runlevel in /etc/runlevels/*; do +
-    for service in ${runlevel}/*; do +
-      svcname=$(basename "$service") +
-      rvlname=$(basename "$runlevel") +
-      if [ ! -e /etc/openrc/runlevels/${rvlname}/${svcname} ] && [ -e /etc/openrc/init.d/${svcname} ]; then +
-        ln -sv /etc/openrc/init.d/${svcname} /etc/openrc/runlevels/${rvlname}/${svcname} +
-      fi +
-    done +
-  done +
-   +
-  # check config changes +
-  for file in /etc/conf.d/*; do +
-    filename=$(basename "$file") +
-    extension="${filename##*.}" +
-    if [ "$extension" = orig ] || [ "$extension" == new ]; then +
-      continue  # dont need to check extra +
-    fi +
-    if [ -e "/etc/conf.d/${filename}" ] && [ -e "/etc/openrc/conf.d/${filename}" ]; then +
-      diff -Nupr "/etc/conf.d/${filename}" "/etc/openrc/conf.d/${filename}" +
-    fi +
-  done +
- +
-Config changes found above can be updated by hand or copy pasted in new location. +
- +
-After checking that things are working expected, old files and folders can be renamed (or removed). +
- +
-  mv /etc/init.d /etc/init.d-openrc-bkp +
-  mv /etc/conf.d /etc/conf.d-openrc-bkp +
-  mv /etc/rc.conf /etc/rc.conf-openrc.bkp +
-  mv /etc/inittab /etc/inittab-openrc.bkp +
- +
-Finally initial changes done by us can be reverted: +
- +
-  mv /etc/init.d-bkp /etc/init.d +
-  mv /etc/inittab.sysvinit /etc/inittab+

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