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Code Block
languagetext
titleomk8_list.txt
# Opmantek NMIS 8 downloads
# Update with newest links
# And Comment out what modules you do not need
https://dl-nmis.opmantek.com/nmis8.7.2-1.run
https://dl-omk.opmantek.com/opCharts-Linux-x86_64-3.6.0.run
https://dl-omk.opmantek.com/opReports-Linux-x86_64-3.45.20.run
https://dl-omk.opmantek.com/opConfig-Linux-x86_64-3.56.30.run
https://dl-omk.opmantek.com/opEvents-Linux-x86_64-2.67.50.run
https://dl-omk.opmantek.com/opFlow-Linux-x86_64-3.1.3.2.0.run
https://dl-omk.opmantek.com/opHA-Linux-x86_64-2.3.0.run
  • Create a omk8_downloader.sh file in the /installs directory, code below:

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  • Does Current server have valid key? cat ~/.ssh/id_rsa.pub
    • If yes copy "ssh-copy-id -i ~/.ssh/authorized_keys user@host
    • If no create ssh key then run ssh-copy-id command from above

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  • This should performed on both servers before running the script.


6) Run Export Script

Note
titledf-h

Before running this script below, ensure there is enough space on the target machine to transfer all of the data. Running df -h in the terminal will show you the free disc space.


Run the following script on the old CentOS 6 server.  The following six variables at the top of the script will need to be modified to suit your environment.

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Code Block
titleexportNMIS_OMK.sh
#!/bin/sh

# Shut down services

opeventsd
opchartsd
opconfigd
opflowd
omkd
mongod

TARGET=192.168.10.67
NODEDATA=/usr/local/nmis8/database/nodes
SOURCE_MONGODBLOCATION=/data
SOURCE_MONGODBDIR=mongodb
DESTINATION_MONGODBLOCATION=/var/lib
DESTINATION_MONGODBDIR=mongo
NODES=$(fgrep "'name'" /usr/local/nmis8/conf/Nodes.nmis | awk '{print $3}' | tr "\'" ' ' | tr ',' ' ' | awk '{print $1}')

# copy mongodb
rsync --progress -av $SOURCE_MONGODBLOCATION/$SOURCE_MONGODBDIR $TARGET:$DESTINATION_MONGODBLOCATION/.
ssh $TARGET "chown -R mongod:mongod $DESTINATION_MONGODBLOCATION/$DESTINATION_MONGODBDIR"

for NODE in $NODES
do
 # create a directory to store the node export JSON files.
 install -d $NODEDATA
 
 # export the node records from NMIS
 /usr/local/nmis8/admin/node_admin.pl act=export node=$NODE file=$NODEDATA/$NODE.json
 
 # get the node data to the target server
 rsync -avz -e ssh $NODEDATA/$NODE $TARGET:$NODEDATA/
 rsync -avz -e ssh /usr/local/nmis8/database/nodes/$NODE $TARGET:/usr/local/nmis8/database/nodes
 scp /usr/local/nmis8/var/$NODE* $TARGET:/usr/local/nmis8/var
 
 # remotely add the nodes to the TARGET server
 ssh -t $TARGET "/usr/local/nmis8/admin/node_admin.pl act=create node=$NODE file=$NODEDATA/$NODE.json"

done

# Update the group list with any new groups
ssh -t $TARGET "/usr/local/nmis8/admin/grouplist.pl patch=true"

# copy NMIS/OMK config
rsync --progress -av /usr/local/nmis8/models root@$TARGET:/usr/local/nmis8/.
rsync --progress -av /usr/local/nmis8/conf root@$TARGET:/usr/local/nmis8/.
rsync --progress -av /usr/local/omk/conf root@$TARGET:/usr/local/omk/.

# Fix file permissions
ssh $TARGET /usr/local/nmis8/admin/fixperms.pl

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9) Correct NMIS Hostname on the New CentOS 7 Server

In Config.nmis located at /usr/local/nmis8/conf put the correct hostname for 'server_name' attribute.

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