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Denise
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| [CVE-2017-5715](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5715) | Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis | 6 Feb 2018 | [RancherOS v1.1.4](https://github.com/rancher/os/releases/tag/v1.1.4) using Linux v4.9.78 with the Retpoline support |
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| [CVE-2017-5753](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5753) | Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis. | 31 May 2018 | [RancherOS v1.4.0](https://github.com/rancher/os/releases/tag/v1.4.0) using Linux v4.14.32 |
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| [CVE-2018-8897](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8897) | A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures Software Developer's Manual (SDM) was mishandled in the development of some or all operating-system kernels, resulting in unexpected behavior for #DB exceptions that are deferred by MOV SS or POP SS, as demonstrated by (for example) privilege escalation in Windows, macOS, some Xen configurations, or FreeBSD, or a Linux kernel crash. | 31 May 2018 | [RancherOS v1.4.0](https://github.com/rancher/os/releases/tag/v1.4.0) using Linux v4.14.32 |
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| [L1 Terminal Fault](https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html) | L1 Terminal Fault is a hardware vulnerability which allows unprivileged speculative access to data which is available in the Level 1 Data Cache when the page table entry controlling the virtual address, which is used for the access, has the Present bit cleared or other reserved bits set. | 19 Sep 2018 | [RancherOS v1.4.1](https://github.com/rancher/os/releases/tag/v1.4.1) using Linux v4.14.67 |
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| [CVE-2018-3620](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3620) | L1 Terminal Fault is a hardware vulnerability which allows unprivileged speculative access to data which is available in the Level 1 Data Cache when the page table entry controlling the virtual address, which is used for the access, has the Present bit cleared or other reserved bits set. | 19 Sep 2018 | [RancherOS v1.4.1](https://github.com/rancher/os/releases/tag/v1.4.1) using Linux v4.14.67 |
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| [CVE-2018-3639](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3639) | Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4. | 19 Sep 2018 | [RancherOS v1.4.1](https://github.com/rancher/os/releases/tag/v1.4.1) using Linux v4.14.67 |
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| [CVE-2018-17182](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17182) | The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations. | 18 Oct 2018 | [RancherOS v1.4.2](https://github.com/rancher/os/releases/tag/v1.4.2) using Linux v4.14.73 |
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| [CVE-2019-5736](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5736) | runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary (and consequently obtain host root access) by leveraging the ability to execute a command as root within one of these types of containers: (1) a new container with an attacker-controlled image, or (2) an existing container, to which the attacker previously had write access, that can be attached with docker exec. This occurs because of file-descriptor mishandling, related to /proc/self/exe. | 12 Feb 2019 | [RancherOS v1.5.1](https://github.com/rancher/os/releases/tag/v1.5.1) |
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@@ -64,7 +64,7 @@ $ USER_DOCKER_VERSION=17.03.2 make release
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_Available as of v1.5.0_
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When building RancherOS, you have the ability to automatically start in a supported [console]({{< baseurl >}}/os/v1.x/en/installation/switching-consoles/) instead of booting into the default console and switching to your desired one.
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When building RancherOS, you have the ability to automatically start in a supported console instead of booting into the default console and switching to your desired one.
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Here is an example of building RancherOS and having the `alpine` console enabled:
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@@ -3,7 +3,7 @@ title: Environment
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weight: 143
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---
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The [environment key](https://docs.docker.com/compose/yml/#environment) can be used to customize system services. When a value is not assigned, RancherOS looks up the value from the `rancher.environment` key.
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The [environment key](https://docs.docker.com/compose/compose-file/#environment) can be used to customize system services. When a value is not assigned, RancherOS looks up the value from the `rancher.environment` key.
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In the example below, `ETCD_DISCOVERY` will be set to `https://discovery.etcd.io/d1cd18f5ee1c1e2223aed6a1734719f7` for the `etcd` service.
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-2
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Node Operating System | Linux
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Node Roles | etcd <br/> Control Plane <br/> Worker
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When you're done with these configurations, resume [Creating a Cluster with Custom Nodes]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning/rke-clusters/custom-nodes/#create-the-custom-cluster) from [step 8]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning/rke-clusters/custom-nodes/#step-8).
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@@ -165,7 +165,7 @@ If you enable [project monitoring]({{< baseurl >}}/rancher/v2.x/en/project-admin
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1. Continue adding more **Alert Rule** to the group.
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1. Finally, choose the [notifiers]({{< baseurl >}}/rancher/v2.x/en/cluster-admin/notifiers/) that send you alerts.
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1. Finally, choose the [notifiers]({{< baseurl >}}//rancher/v2.x/en/cluster-admin/tools/notifiers/) that send you alerts.
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- You can set up multiple notifiers.
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- You can change notifier recipients on the fly.
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@@ -39,7 +39,7 @@ In Rancher v1.6, you could add port/service rules for configuring your HAProxy t
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Rancher v2.x offers similar functionality, but load balancing is instead handled by Ingress. An Ingress is a specification of rules that a controller component applies to your load balancer. The actual load balancer can run outside of your cluster or within it.
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By default, Rancher v2.x deploys NGINX Ingress Controller on clusters provisioned using RKE (Rancher's own Kubernetes installer) to process the Kubernetes Ingress rules. The NGINX Ingress Controller is installed by default only in clusters provisioned by RKE. Clusters provisioned by cloud providers like GKE have their own Ingress Controllers that configure the load balancer. For this document, our scope is limited to the RKE-installed NGINX Ingress Controller only, but you can read about cloud providers in [our documentation]({{< baseurl >}}/rancher/v2.x/en/cluster-provisioning/rke-clusters/options/cloud-providers/).
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By default, Rancher v2.x deploys NGINX Ingress Controller on clusters provisioned using RKE (Rancher's own Kubernetes installer) to process the Kubernetes Ingress rules. The NGINX Ingress Controller is installed by default only in clusters provisioned by RKE. Clusters provisioned by cloud providers like GKE have their own Ingress Controllers that configure the load balancer. For this document, our scope is limited to the RKE-installed NGINX Ingress Controller only.
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RKE deploys NGINX Ingress Controller as a [Kubernetes DaemonSet](https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/), meaning that an NGINX instance is deployed on every node in the cluster. NGINX acts like an Ingress Controller listening to Ingress creation within your entire cluster, and it also configures itself as the load balancer to satisfy the Ingress rules. The DaemonSet is configured with hostNetwork to expose two ports: 80 and 443.
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