diff --git a/docs/20_Checks/check_cpu.md b/docs/20_Checks/check_cpu.md
index 489e3f30a584a2b6527a9e034b8af283f8fc4324..58e5a909abc3e4e25c4c2e02bfdb6910029929b3 100644
--- a/docs/20_Checks/check_cpu.md
+++ b/docs/20_Checks/check_cpu.md
@@ -1,12 +1,6 @@
-# IML Checks for Icinga / Nagios
+# check CPU
-[Home](readme.md)
-
----
-
-## check CPU
-
-### Introduction
+## Introduction
**check_cpu** is a plugin to check cpu usage and cpu io wait.
It reads cpu data from output of top command and shows
@@ -26,11 +20,11 @@ For all values it sends performance data.
If there are processes with status D they will be shown (to analyze cpu waits).
-### Syntax
+## Syntax
``$ check_NAME [-c CRITICAL] [-w WARING] [-i CRITICAL_IO]``
-#### Parameters
+### Parameters
```text
-w VALUE cpu usage warning level (default: 75)
@@ -42,7 +36,7 @@ If there are processes with status D they will be shown (to analyze cpu waits).
```
-# Examples
+## Examples
``check_cpu -w 60 -c 80 -i 40``
check cpu usage.
diff --git a/docs/20_Checks/check_snmp_data.md b/docs/20_Checks/check_snmp_data.md
index d12ef6663f33e67db137ecf8495cd1f022573d42..b0725ac3002d1b4860768d30d16d5714a50c790b 100644
--- a/docs/20_Checks/check_snmp_data.md
+++ b/docs/20_Checks/check_snmp_data.md
@@ -1,26 +1,20 @@
-# IML Checks for Icinga / Nagios
+# check SNMP data
-[Home](readme.md)
-
----
-
-## check SNMP data
-
-### Introduction
+## Introduction
**check_snmp_data** is a plugin for fetching performance data with a set of given OIDs.
It can handle current values (i.e. load or cpu usage) and counter values (i.e. network io).
-### Syntax
+## Syntax
``$ check_snmp_data -h HOSTNAME [-C COOMMUNITYSTRING] -v -m METHOD``
-#### Parameters
+### Parameters
Starting the script without parameters shows a help.
-```
+```txt
SNMP performance data v1.0
@@ -46,16 +40,16 @@ EXAMPLE:
```
-### Examples
+## Examples
+
+### Get values
-#### Get values
+`./check_snmp_data -h 192.168.100.12 -v -m cpu`
-``./check_snmp_data -h 192.168.100.12 -v -m cpu``
-
Shows the current cpu usage of host *192.168.100.12*.
The output is something like that:
-```
+```txt
OK: SNMP performance data :: CPU usage
cpu-user 0 %
cpu-system 0 %
@@ -68,19 +62,21 @@ The 3 lines with values starting from line 2 are written with *-v* option only.
The performance data (last line) always will be sent.
-#### Get counter data
+### Get counter data
+
+`./check_snmp_data -h 192.168.100.12 -v -m netio`
-``./check_snmp_data -h 192.168.100.12 -v -m netio``
-
If there is a check with counter data using *-v* option you see the counter value and the delta speed. It is calculated by
-```
+```txt
[current_counter] - [last_counter]
delta_speed = ----------------------------------
time_since_last_check_in_sec
```
+
The output looks like that:
-```
+
+```txt
OK: SNMP performance data :: Network IO (experimental)
in total: 2669086814 delta: 1 per sec
out total: 2212665608 delta: 0 per sec
@@ -88,19 +84,21 @@ out total: 2212665608 delta: 0 per sec
|in=1;;;0; out=0;;;0;
```
-
-### Configuration
+## Configuration
check_snmp_data is a Bash script. If you open / view it you see a DATA section as comment lines on the top.
It starts with a short description:
-```
+
+```txt
# SYNTAX:
# label --> DATA:[method]:label:[text]
# n x data --> DATA:[method]:data:[perf-label]:[oid]:[optional unit]
```
+
... followed by the configuration data of the checks.
-```
+
+```txt
#
# DATA:cpu:label:CPU usage
# DATA:cpu:data:cpu-user:1.3.6.1.4.1.2021.11.9.0:%
@@ -108,7 +106,7 @@ It starts with a short description:
# DATA:cpu:data:cpu-idle:1.3.6.1.4.1.2021.11.11.0:%
```
-To fetch configuration data the text in $0 is grepped by ``^#\ DATA:``.
+To fetch configuration data the text in $0 is grepped by `^#\ DATA:`.
There is a single line with **label** to define a short description of the check.
diff --git a/docs/20_Checks/inc_pluginfunctions.md b/docs/20_Checks/inc_pluginfunctions.md
index 8ca811e1075dfdbc32667571a16822744aa8811f..65d951ca676db0fb6a1b3996d92365ae68709d18 100644
--- a/docs/20_Checks/inc_pluginfunctions.md
+++ b/docs/20_Checks/inc_pluginfunctions.md
@@ -1,20 +1,14 @@
-# IML Checks for Icinga / Nagios
+# Shared functions
-[Home](readme.md)
+## Init
----
-
-## Shared functions
-
-### Init
-
-All scripts start with sourcing a shared bash file
+All scripts start with sourcing a shared bash file
``. `dirname $0`/inc_pluginfunctions``
In that script are several functions starting with prefix **ph.** (=plugin helper)
-### Available functions
+## Available functions
This is a list in alphabetic order
@@ -70,7 +64,7 @@ You can override it as often you want during the script. Based on the last setti
**ph.setStatusByLimit** VALUE WARNLIMIT CRITLIMIT
-set statuscode by verifying integer(!) value with crtical and warning limit
+set statuscode by verifying integer(!) value with crtical and warning limit
Example:
@@ -93,23 +87,25 @@ Add performance data. Their output will be written with ph.exit. So you are free
For increasing system counters: get changerate per second since last check.
Unit value can be
+
* s or sec - for seconds
* m or min - for minutes
Example:
- # speed in byte per sec based on last stored value and its age
- iSpeedRead=` ph.perfdeltaspeed "netio-${myinterface}-rx" $iRead`
+```txt
+# speed in byte per sec based on last stored value and its age
+iSpeedRead=` ph.perfdeltaspeed "netio-${myinterface}-rx" $iRead`
+```
**ph.perfshow**
dump performance data (if u are not using ph.exit)
-**ph.require** [PROG [PROG2]]
+**ph.require** [PROG [...PROG_N]]
check if a binary PROG exists in search path (=are installed) - if not then execution stops with showing a warning message and status unknown (using ph.abort).
Example:
-``ph.require bc lsblk``
-
+`ph.require bc lsblk`
diff --git a/docs/20_Checks/zz_template_check_.md b/docs/20_Checks/zz_template_check_.md
index 63d8e5fcb142dfb372bc551a46e98d88b855f0d3..a51231222750253421e5d7c7ec4d6dc82b0355f1 100644
--- a/docs/20_Checks/zz_template_check_.md
+++ b/docs/20_Checks/zz_template_check_.md
@@ -1,26 +1,20 @@
-# IML Checks for Icinga / Nagios
+# check NAME
-[Home](readme.md)
-
----
-
-## check NAME
-
-### Introduction
+## Introduction
**check_NAME** is a plugin for ...
-### Syntax
+## Syntax
-``$ check_NAME [-c CRITICAL] [-w WARING] PRODUCT VERSION``
+`$ check_NAME [-c CRITICAL] [-w WARING] PRODUCT VERSION`
-#### Parameters
+### Parameters
...
-### Examples
+## Examples
...
-``check_NAME blubb``
+`check_NAME blubb`
Show blubber bubbles