check_health/README.md
Patrick Van der Veken 3334a1e9bf
Update README.md
2019-03-24 22:57:09 +01:00

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# Health checker for UNIX/Linux
Health checker for UNIX/Linux is a small framework of monitoring scripts. It is meant to be used for low latency & low frequency checks, it is easy to extend where necessary (plugins) and it can be integrated with other toolsets.
## Requirements
* ksh88/ksh93 (mksh/pdksh will work also but YMMV)
* some disk space for storing logs & event files
* system dependant tools/utilities (see individual health checks)
* UNIX cron or other scheduler
* execute as user root only
## Build
Use the build templates & scripts in the `build/` directory to roll your own packages.
## Installation
### HP-UX
Install the core bundle:
swinstall -x mount_all_filesystems=false -s /tmp/hc-hpux-<version>.sd \*
Install the HP-UX plugin bundle:
swinstall -x mount_all_filesystems=false -s /tmp/hc-hpux-platform-<version>.sd \*
### Linux
Install the core bundle:
yum localinstall hc-linux-<version>.noarch.rpm
zypper install hc-linux-<version>.noarch.rpm
Install the Linux plugin bundle:
yum localinstall hc-linux-platform-<version>.noarch.rpm
zypper install hc-linux-platform-<version>.noarch.rpm
### AIX
Install the core bundle:
installp -Xap -d hc-aix-<version>.bff all
Install the AIX plugin bundle:
installp -Xap -d hc-aix-platform-<version> all
### Exadata
Install the core bundle:
yum localinstall hc-linux-<version>.noarch.rpm
Install the Linux plugin bundle:
yum localinstall hc-exadata-platform-<version>.noarch.rpm
### Miscellaneous
Additionally, there may be bundles for display or notification plugins, e.g.:
* hc-display-csv
* hc-display-init
* hc-display-json
* hc-display-terse
* hc-notify-eif
* hc-notify-sms
## Execute (examples)
* **Listing** available health checks:
```
/opt/hc/bin/check_health.sh --list
```
* **Running** a single health check:
```
/opt/hc/bin/check_health.sh --hc=check_hpux_ioscan --run
```
* **Running** multiple health checks (at once):
```
/opt/hc/bin/check_health.sh --hc=check_hpux_ioscan,check_hpux_ovpa_status --run
```
* **Running** a single health check with a custom configuration file:
```
/opt/hc/bin/check_health.sh --hc=check_hpux_ioscan --config-file=/etc/opt/hc/check_hpux_ioscan_new.conf --run
```
* **Showing** information on a health check:
```
/opt/hc/bin/check_health.sh --hc=check_hpux_ioscan --show
```
* **Enabling/disabling** a health check:
```
/opt/hc/bin/check_health.sh --hc=check_hpux_ioscan --check
/opt/hc/bin/check_health.sh --hc=check_hpux_ioscan --disable
/opt/hc/bin/check_health.sh --hc=check_hpux_ioscan --enable
```
* **Reporting** on failed health checks:
```
/opt/hc/bin/check_health.sh --report
/opt/hc/bin/check_health.sh --report --last
/opt/hc/bin/check_health.sh --report --today
/opt/hc/bin/check_health.sh --report --newer=20180101
/opt/hc/bin/check_health.sh --report --id=20160704154001 --detail
```
* **Alerting** on failed health checks:
```
/opt/hc/bin/check_health.sh --hc=check_hpux_root_crontab --run --notify=mail --mail-to="alert@acme.com"
```
## References
### Documentation
More documentation can be found at http://www.kudos.be/Projects/Health_checker.html
### Logo
The logo was kindly provided by *Komiser Back*.