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bash script
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| #!/bin/bash | |
| service=$@ | |
| /bin/systemctl -q is-active "$service.service" | |
| status=$? | |
| if [ "$status" == 0 ]; then | |
| echo "OK" | |
| else | |
| /bin/systemctl start "$service.service" | |
| fi |
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usage:
./watch-service.sh postgresql
Cron:
*/2 * * * * /opt/watch-service.sh postgresql > /dev/null