Add instructions on enabling explicitly disabled collectors (#10418)

* Add enable instructions and fix comment

* service -> systemctl

* Reverse systemctl order

10 files changed, 60 insertions, 13 deletions

diff --git a/collectors/python.d.plugin/chrony/README.md b/collectors/python.d.plugin/chrony/README.md
index ee140b4601..b1e7ec35c0 100644
--- a/collectors/python.d.plugin/chrony/README.md
+++ b/collectors/python.d.plugin/chrony/README.md
@@ -18,15 +18,29 @@ Monitors the precision and statistics of a local chronyd server, and produces:
 -   system time
 
 ## Requirements
+
 Verify that user Netdata can execute `chronyc tracking`. If necessary, update `/etc/chrony.conf`, `cmdallow`.
 
+## Enable the collector
+
+The `chrony` collector is disabled by default. To enable it, use `edit-config` from the Netdata [config
+directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`, to edit the `python.d.conf` file.
+
+```bash
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
+sudo ./edit-config python.d.conf
+```
+
+Change the value of the `chrony` setting to `yes`. Save the file and restart the Netdata Agent with `sudo systemctl
+restart netdata`, or the appropriate method for your system, to finish enabling the `chrony` collector.
+
 ## Configuration
 
 Edit the `python.d/chrony.conf` configuration file using `edit-config` from the Netdata [config
 directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
 
 ```bash
-cd /etc/netdata   # Replace this path with your Netdata config directory, if different, if different
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
 sudo ./edit-config python.d/chrony.conf
 ```
 
@@ -41,6 +55,7 @@ local:
   command: 'chronyc -n tracking'
 ```
 
----
+Save the file and restart the Netdata Agent with `sudo systemctl restart netdata`, or the appropriate method for your
+system, to finish configuring the `chrony` collector.
 
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diff --git a/collectors/python.d.plugin/dns_query_time/README.md b/collectors/python.d.plugin/dns_query_time/README.md
index 10a38a0c68..e1fde74716 100644
--- a/collectors/python.d.plugin/dns_query_time/README.md
+++ b/collectors/python.d.plugin/dns_query_time/README.md
@@ -20,7 +20,7 @@ Edit the `python.d/dns_query_time.conf` configuration file using `edit-config` f
 directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
 
 ```bash
-cd /etc/netdata   # Replace this path with your Netdata config directory, if different, if different
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
 sudo ./edit-config python.d/dns_query_time.conf
 ```
 
diff --git a/collectors/python.d.plugin/dnsdist/README.md b/collectors/python.d.plugin/dnsdist/README.md
index 0fcce98edb..7c279efafa 100644
--- a/collectors/python.d.plugin/dnsdist/README.md
+++ b/collectors/python.d.plugin/dnsdist/README.md
@@ -55,7 +55,7 @@ Edit the `python.d/dnsdist.conf` configuration file using `edit-config` from the
 directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
 
 ```bash
-cd /etc/netdata   # Replace this path with your Netdata config directory, if different, if different
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
 sudo ./edit-config python.d/dnsdist.conf
 ```
 
diff --git a/collectors/python.d.plugin/dockerd/README.md b/collectors/python.d.plugin/dockerd/README.md
index bfa0c88908..178bae2cc7 100644
--- a/collectors/python.d.plugin/dockerd/README.md
+++ b/collectors/python.d.plugin/dockerd/README.md
@@ -32,7 +32,7 @@ Edit the `python.d/dockerd.conf` configuration file using `edit-config` from the
 directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
 
 ```bash
-cd /etc/netdata   # Replace this path with your Netdata config directory, if different, if different
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
 sudo ./edit-config python.d/dockerd.conf
 ```
 
diff --git a/collectors/python.d.plugin/dovecot/README.md b/collectors/python.d.plugin/dovecot/README.md
index ed7e977ba7..55aeed3eb5 100644
--- a/collectors/python.d.plugin/dovecot/README.md
+++ b/collectors/python.d.plugin/dovecot/README.md
@@ -81,7 +81,7 @@ Edit the `python.d/dovecot.conf` configuration file using `edit-config` from the
 directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
 
 ```bash
-cd /etc/netdata   # Replace this path with your Netdata config directory, if different, if different
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
 sudo ./edit-config python.d/dovecot.conf
 ```
 
diff --git a/collectors/python.d.plugin/elasticsearch/README.md b/collectors/python.d.plugin/elasticsearch/README.md
index cc816f6f06..d8d7581bc8 100644
--- a/collectors/python.d.plugin/elasticsearch/README.md
+++ b/collectors/python.d.plugin/elasticsearch/README.md
@@ -70,7 +70,7 @@ Edit the `python.d/elasticsearch.conf` configuration file using `edit-config` fr
 directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
 
 ```bash
-cd /etc/netdata   # Replace this path with your Netdata config directory, if different, if different
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
 sudo ./edit-config python.d/elasticsearch.conf
 ```
 
diff --git a/collectors/python.d.plugin/energid/README.md b/collectors/python.d.plugin/energid/README.md
index 85526ec33c..60c829fed9 100644
--- a/collectors/python.d.plugin/energid/README.md
+++ b/collectors/python.d.plugin/energid/README.md
@@ -52,7 +52,7 @@ Edit the `python.d/energid.conf` configuration file using `edit-config` from the
 directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
 
 ```bash
-cd /etc/netdata   # Replace this path with your Netdata config directory, if different, if different
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
 sudo ./edit-config python.d/energid.conf
 ```
 
diff --git a/collectors/python.d.plugin/go_expvar/README.md b/collectors/python.d.plugin/go_expvar/README.md
index 4db68b04e8..66ebc0b67b 100644
--- a/collectors/python.d.plugin/go_expvar/README.md
+++ b/collectors/python.d.plugin/go_expvar/README.md
@@ -252,6 +252,19 @@ In the above case, the exported variables will be available under `runtime.gorou
 `counters.cnt1` and `counters.cnt2` expvar_keys. If the flattening results in a key collision,
 the first defined key wins and all subsequent keys with the same name are ignored.
 
+## Enable the collector
+
+The `go_expvar` collector is disabled by default. To enable it, use `edit-config` from the Netdata [config
+directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`, to edit the `python.d.conf` file.
+
+```bash
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
+sudo ./edit-config python.d.conf
+```
+
+Change the value of the `go_expvar` setting to `yes`. Save the file and restart the Netdata Agent with `sudo systemctl
+restart netdata`, or the appropriate method for your system, to finish enabling the `go_expvar` collector.
+
 ## Configuration
 
 Edit the `python.d/go_expvar.conf` configuration file using `edit-config` from the Netdata [config
diff --git a/collectors/python.d.plugin/hpssa/README.md b/collectors/python.d.plugin/hpssa/README.md
index 426f19c536..2079ff2ad7 100644
--- a/collectors/python.d.plugin/hpssa/README.md
+++ b/collectors/python.d.plugin/hpssa/README.md
@@ -29,15 +29,21 @@ This module produces:
 3.  Logical drive state
 4.  Physical drive state and temperature
 
+## Enable the collector
 
-## Configuration
-
-**hpssa** is disabled by default. Should be explicitly enabled in `python.d.conf`.
+The `hpssa` collector is disabled by default. To enable it, use `edit-config` from the Netdata [config
+directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`, to edit the `python.d.conf` file.
 
-```yaml
-hpssa: yes
+```bash
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
+sudo ./edit-config python.d.conf
 ```
 
+Change the value of the `hpssa` setting to `yes`. Save the file and restart the Netdata Agent with `sudo systemctl
+restart netdata`, or the appropriate method for your system, to finish enabling the `hpssa` collector.
+
+## Configuration
+
 Edit the `python.d/hpssa.conf` configuration file using `edit-config` from the Netdata [config
 directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
 
diff --git a/collectors/python.d.plugin/logind/README.md b/collectors/python.d.plugin/logind/README.md
index 36038dbcc2..3e2d4c1907 100644
--- a/collectors/python.d.plugin/logind/README.md
+++ b/collectors/python.d.plugin/logind/README.md
@@ -26,6 +26,19 @@ It provides the following charts:
 
     -   Seats
 
+## Enable the collector
+
+The `logind` collector is disabled by default. To enable it, use `edit-config` from the Netdata [config
+directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`, to edit the `python.d.conf` file.
+
+```bash
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
+sudo ./edit-config python.d.conf
+```
+
+Change the value of the `logind` setting to `yes`. Save the file and restart the Netdata Agent with `sudo systemctl
+restart netdata`, or the appropriate method for your system, to finish enabling the `logind` collector.
+
 ## Configuration
 
 This module needs no configuration. Just make sure the `netdata` user