Emphasize EOL information (#534)

Signed-off-by: Kentaro Hayashi <hayashi@clear-code.com>

Author: kenhys

SUMMARY.md

@@ -23,7 +23,7 @@
   * [Install from Source](installation/install-from-source.md)
   * [Post Installation Guide](installation/post-installation-guide.md)
   * Obsolete Installation
-    * Treasure Agent v4 Installation
+    * Treasure Agent v4 (EOL) Installation
       * [Install by RPM Package v4 \(Red Hat Linux\)](installation/install-by-rpm-td-agent-v4.md)
       * [Install by DEB Package v4 \(Debian/Ubuntu\)](installation/install-by-deb-td-agent-v4.md)
       * [Install by .dmg Package v4 \(macOS\)](installation/install-by-dmg-td-agent-v4.md)

installation/install-by-deb-fluent-package.md

@@ -15,13 +15,18 @@ You can also see [fluent-package-v5-vs-td-agent](../quickstart/fluent-package-v5
 {% hint style='info' %}
 NOTE:
 
-* About deprecated [Treasure Agent (td-agent) v4 (EOL)](https://www.fluentd.org/blog/schedule-for-td-agent-4-eol), See [Install by DEB Package v4](install-by-deb-td-agent-v4.md).
-* About deprecated [Treasure Agent (td-agent) 3 will not be maintained anymore](https://www.fluentd.org/blog/schedule-for-td-agent-3-eol), see [Install by DEB Package  v3](install-by-deb-td-agent-v3.md).
 * `fluent-package` will be shipped in two flavors - normal release version and LTS (Long Term Support) version. See [Scheduled support lifecycle announcement about Fluent Package](https://www.fluentd.org/blog/fluent-package-scheduled-lifecycle) about difference between this two flavors.
 * If you upgrade from `td-agent` v4, See [Upgrade to fluent-package v5](https://www.fluentd.org/blog/upgrade-td-agent-v4-to-v5).
 * Do not directly upgrade from v3 to v5. Such a workflow is not supported. It causes a trouble. Upgrade in stages. (v3 to v4, then v4 to v5)
 {% endhint %}
 
+{% hint style='danger' %}
+The following are deprecated td-agent (EOL) information:
+
+* About [Treasure Agent (td-agent) v4 (EOL)](https://www.fluentd.org/blog/schedule-for-td-agent-4-eol), See [Install by DEB Package v4](install-by-deb-td-agent-v4.md).
+* About [Treasure Agent (td-agent) 3 will not be maintained anymore](https://www.fluentd.org/blog/schedule-for-td-agent-3-eol), see [Install by DEB Package  v3](install-by-deb-td-agent-v3.md).
+{% endhint %}
+
 ### Step 0: Before Installation
 
 Please follow the [Pre-installation Guide](before-install.md) to configure your OS properly.

installation/install-by-deb-td-agent-v3.md

@@ -11,7 +11,10 @@ That is why [Treasure Data, Inc](http://www.treasuredata.com/) provides **the st
 ## Installing `td-agent`
 
 {% hint style='danger' %}
-NOTE: As [Treasure Agent (td-agent) 3 will not be maintained anymore](https://www.fluentd.org/blog/schedule-for-td-agent-3-eol), recommend to [Upgrade td-agent from v3 to v4](https://www.fluentd.org/blog/upgrade-td-agent-v3-to-v4).
+This article contains deprecated td-agent (EOL) information: SHOULD NOT use td-agent anymore.
+
+* As [Treasure Agent (td-agent) 3 will not be maintained anymore](https://www.fluentd.org/blog/schedule-for-td-agent-3-eol), recommend to [Upgrade td-agent from v3 to v4](https://www.fluentd.org/blog/upgrade-td-agent-v3-to-v4).
+* Do not directly upgrade from v3 to fluent-package v5. Such a workflow is not supported. It causes a trouble. Upgrade in stages. (v3 to v4, then v4 to v5)
 {% endhint %}
 
 ### Step 0: Before Installation

installation/install-by-deb-td-agent-v4.md

@@ -12,12 +12,10 @@ This installation guide is for `td-agent` v4. `td-agent` v4 use fluentd v1 in th
 
 ## Installing `td-agent`
 
-{% hint style='info' %}
-NOTE: As [Drop schedule announcement about EOL of Treasure Agent (td-agent) 4](https://www.fluentd.org/blog/schedule-for-td-agent-4-eol), recommend to [Upgrade to fluent-package v5](https://www.fluentd.org/blog/upgrade-td-agent-v4-to-v5).
-{% endhint %}
-
 {% hint style='danger' %}
-NOTE: About deprecated [Treasure Agent (td-agent) 3 will not be maintained anymore](https://www.fluentd.org/blog/schedule-for-td-agent-3-eol), see [Install by DEB Package  v3](install-by-deb-td-agent-v3.md).
+This article contains deprecated td-agent (EOL) information: SHOULD NOT use td-agent anymore.
+
+* As [Drop schedule announcement about EOL of Treasure Agent (td-agent) 4](https://www.fluentd.org/blog/schedule-for-td-agent-4-eol), recommend to [Upgrade to fluent-package v5](https://www.fluentd.org/blog/upgrade-td-agent-v4-to-v5).
 {% endhint %}
 
 ### Step 0: Before Installation

installation/install-by-rpm-fluent-package.md

@@ -15,13 +15,18 @@ You can also see [fluent-package-v5-vs-td-agent](../quickstart/fluent-package-v5
 {% hint style='info' %}
 NOTE:
 
-* About deprecated [Treasure Agent (td-agent) v4 (EOL)](https://www.fluentd.org/blog/schedule-for-td-agent-4-eol), See [Install by RPM Package v4](install-by-rpm-td-agent-v4.md).
-* About deprecated [Treasure Agent (td-agent) 3 will not be maintained anymore](https://www.fluentd.org/blog/schedule-for-td-agent-3-eol), see [Install by DEB Package  v3](install-by-deb-td-agent-v3.md).
 * `fluent-package` will be shipped in two flavors - normal release version and LTS (Long Term Support) version. See [Scheduled support lifecycle announcement about Fluent Package](https://www.fluentd.org/blog/fluent-package-scheduled-lifecycle) about difference between this two flavors.
 * If you upgrade from `td-agent` v4, See [Upgrade to fluent-package v5](https://www.fluentd.org/blog/upgrade-td-agent-v4-to-v5).
 * Do not directly upgrade from v3 to v5. Such a workflow is not supported. It causes a trouble. Upgrade in stages. (v3 to v4, then v4 to v5)
 {% endhint %}
 
+{% hint style='danger' %}
+The following are deprecated td-agent (EOL) information:
+
+* About [Treasure Agent (td-agent) v4 (EOL)](https://www.fluentd.org/blog/schedule-for-td-agent-4-eol), See [Install by RPM Package v4](install-by-rpm-td-agent-v4.md).
+* About [Treasure Agent (td-agent) 3 will not be maintained anymore](https://www.fluentd.org/blog/schedule-for-td-agent-3-eol), see [Install by DEB Package  v3](install-by-deb-td-agent-v3.md).
+{% endhint %}
+
 ### Step 0: Before Installation
 
 Please follow the [Pre-installation Guide](before-install.md) to configure your OS properly.

installation/install-by-rpm-td-agent-v3.md

@@ -11,7 +11,11 @@ That is why [Treasure Data, Inc](http://www.treasuredata.com/) provides **the st
 ## Using to install `td-agent`
 
 {% hint style='danger' %}
-NOTE: As [Treasure Agent (td-agent) 3 will not be maintained anymore](https://www.fluentd.org/blog/schedule-for-td-agent-3-eol), recommend to [Upgrade td-agent from v3 to v4](https://www.fluentd.org/blog/upgrade-td-agent-v3-to-v4).
+This article contains deprecated td-agent (EOL) information: SHOULD NOT use td-agent anymore.
+
+* As [Treasure Agent (td-agent) 3 will not be maintained anymore](https://www.fluentd.org/blog/schedule-for-td-agent-3-eol), recommend to [Upgrade td-agent from v3 to v4](https://www.fluentd.org/blog/upgrade-td-agent-v3-to-v4).
+* Do not directly upgrade from v3 to fluent-package v5. Such a workflow is not supported. It causes a trouble. Upgrade in stages. (v3 to v4, then v4 to v5)
+
 {% endhint %}
 
 ### Step 0: Before Installation

installation/install-by-rpm-td-agent-v4.md

@@ -12,12 +12,10 @@ This installation guide is for `td-agent` v4. `td-agent` v4 use fluentd v1 in th
 
 ## Using to install `td-agent`
 
-{% hint style='info' %}
-NOTE: As [Drop schedule announcement about EOL of Treasure Agent (td-agent) 4](https://www.fluentd.org/blog/schedule-for-td-agent-4-eol), recommend to [Upgrade to fluent-package v5](https://www.fluentd.org/blog/upgrade-td-agent-v4-to-v5).
-{% endhint %}
-
 {% hint style='danger' %}
-NOTE: About deprecated [Treasure Agent (td-agent) 3 will not be maintained anymore](https://www.fluentd.org/blog/schedule-for-td-agent-3-eol), see [Install by RPM Package  v3](install-by-rpm-td-agent-v3.md).
+This article contains deprecated td-agent (EOL) information: SHOULD NOT use td-agent anymore.
+
+* As [Drop schedule announcement about EOL of Treasure Agent (td-agent) 4](https://www.fluentd.org/blog/schedule-for-td-agent-4-eol), recommend to [Upgrade to fluent-package v5](https://www.fluentd.org/blog/upgrade-td-agent-v4-to-v5).
 {% endhint %}
 
 ### Step 0: Before Installation