diff --git a/.circleci/config.yml b/.circleci/config.yml
index 51c7cc2b2..8a6db6de1 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -45,13 +45,13 @@ jobs:
         name: install protoc
     - run:
         command: |
-          wget -q -O /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/consul.zip
           rm -rf /tmp/consul*
         name: Install Consul 1.6.4
     - run:
         command: |
-          wget -q -O /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/vault.zip
           rm -rf /tmp/vault*
         name: Install Vault 1.2.4
@@ -129,13 +129,13 @@ jobs:
         name: install protoc
     - run:
         command: |
-          wget -q -O /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/consul.zip
           rm -rf /tmp/consul*
         name: Install Consul 1.6.4
     - run:
         command: |
-          wget -q -O /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/vault.zip
           rm -rf /tmp/vault*
         name: Install Vault 1.2.4
@@ -213,13 +213,13 @@ jobs:
         name: install protoc
     - run:
         command: |
-          wget -q -O /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/consul.zip
           rm -rf /tmp/consul*
         name: Install Consul 1.6.4
     - run:
         command: |
-          wget -q -O /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/vault.zip
           rm -rf /tmp/vault*
         name: Install Vault 1.2.4
@@ -297,13 +297,13 @@ jobs:
         name: install protoc
     - run:
         command: |
-          wget -q -O /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/consul.zip
           rm -rf /tmp/consul*
         name: Install Consul 1.6.4
     - run:
         command: |
-          wget -q -O /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/vault.zip
           rm -rf /tmp/vault*
         name: Install Vault 1.2.4
@@ -381,13 +381,13 @@ jobs:
         name: install protoc
     - run:
         command: |
-          wget -q -O /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/consul.zip
           rm -rf /tmp/consul*
         name: Install Consul 1.6.4
     - run:
         command: |
-          wget -q -O /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/vault.zip
           rm -rf /tmp/vault*
         name: Install Vault 1.2.4
@@ -551,13 +551,13 @@ jobs:
         name: install protoc
     - run:
         command: |
-          wget -q -O /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/consul.zip
           rm -rf /tmp/consul*
         name: Install Consul 1.6.4
     - run:
         command: |
-          wget -q -O /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/vault.zip
           rm -rf /tmp/vault*
         name: Install Vault 1.2.4
@@ -621,13 +621,13 @@ jobs:
         name: install protoc
     - run:
         command: |
-          wget -q -O /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/consul.zip
           rm -rf /tmp/consul*
         name: Install Consul 1.6.4
     - run:
         command: |
-          wget -q -O /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/vault.zip
           rm -rf /tmp/vault*
         name: Install Vault 1.2.4
@@ -739,13 +739,13 @@ jobs:
         name: install protoc
     - run:
         command: |
-          wget -q -O /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/consul.zip
           rm -rf /tmp/consul*
         name: Install Consul 1.6.4
     - run:
         command: |
-          wget -q -O /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/vault.zip
           rm -rf /tmp/vault*
         name: Install Vault 1.2.4
@@ -883,13 +883,13 @@ jobs:
         name: install protoc
     - run:
         command: |
-          wget -q -O /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/consul.zip https://releases.hashicorp.com/consul/1.6.4/consul_1.6.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/consul.zip
           rm -rf /tmp/consul*
         name: Install Consul 1.6.4
     - run:
         command: |
-          wget -q -O /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
+          curl -SL --fail -o /tmp/vault.zip https://releases.hashicorp.com/vault/1.2.4/vault_1.2.4_linux_amd64.zip
           sudo unzip -d /usr/local/bin /tmp/vault.zip
           rm -rf /tmp/vault*
         name: Install Vault 1.2.4
diff --git a/.circleci/config/commands/install-consul.yml b/.circleci/config/commands/install-consul.yml
index d9026659b..cad97da0c 100644
--- a/.circleci/config/commands/install-consul.yml
+++ b/.circleci/config/commands/install-consul.yml
@@ -6,6 +6,6 @@ steps:
   - run:
       name: Install Consul << parameters.version >>
       command: |
-        wget -q -O /tmp/consul.zip https://releases.hashicorp.com/consul/<< parameters.version >>/consul_<< parameters.version >>_linux_amd64.zip
+        curl -SL --fail -o /tmp/consul.zip https://releases.hashicorp.com/consul/<< parameters.version >>/consul_<< parameters.version >>_linux_amd64.zip
         sudo unzip -d /usr/local/bin /tmp/consul.zip
         rm -rf /tmp/consul*
diff --git a/.circleci/config/commands/install-vault.yml b/.circleci/config/commands/install-vault.yml
index 74e1864b3..264fbb4b0 100644
--- a/.circleci/config/commands/install-vault.yml
+++ b/.circleci/config/commands/install-vault.yml
@@ -6,6 +6,6 @@ steps:
   - run:
       name: Install Vault << parameters.version >>
       command: |
-        wget -q -O /tmp/vault.zip https://releases.hashicorp.com/vault/<< parameters.version >>/vault_<< parameters.version>>_linux_amd64.zip
+        curl -SL --fail -o /tmp/vault.zip https://releases.hashicorp.com/vault/<< parameters.version >>/vault_<< parameters.version>>_linux_amd64.zip
         sudo unzip -d /usr/local/bin /tmp/vault.zip
         rm -rf /tmp/vault*
diff --git a/scripts/travis-consul.sh b/scripts/travis-consul.sh
index 6dc7a0969..e6d3b8e69 100755
--- a/scripts/travis-consul.sh
+++ b/scripts/travis-consul.sh
@@ -16,7 +16,7 @@ function install_consul() {
 		fi
 	fi
 
-	wget -q -O /tmp/consul.zip ${DOWNLOAD}
+	curl -sSL --fail -o /tmp/consul.zip ${DOWNLOAD}
 
 	unzip -d /tmp /tmp/consul.zip
 	mv /tmp/consul /usr/local/bin/consul
diff --git a/scripts/travis-vault.sh b/scripts/travis-vault.sh
index d19c4a9ed..1ce6743a2 100755
--- a/scripts/travis-vault.sh
+++ b/scripts/travis-vault.sh
@@ -16,7 +16,7 @@ function install_vault() {
 		fi
 	fi
 	
-	wget -q -O /tmp/vault.zip ${DOWNLOAD}
+	curl -sSL --fail -o /tmp/vault.zip ${DOWNLOAD}
 
 	unzip -d /tmp /tmp/vault.zip
 	mv /tmp/vault /usr/local/bin/vault
diff --git a/scripts/vagrant-linux-priv-cni.sh b/scripts/vagrant-linux-priv-cni.sh
index 76da2cd7d..bfc9bc0bf 100755
--- a/scripts/vagrant-linux-priv-cni.sh
+++ b/scripts/vagrant-linux-priv-cni.sh
@@ -12,7 +12,7 @@ function install_cni() {
 		return
 	fi
 
-	wget -q -O /tmp/cni-plugins.tar.gz ${DOWNLOAD}
+	curl -sSL --fail -o /tmp/cni-plugins.tar.gz ${DOWNLOAD}
 	tar -xf /tmp/cni-plugins.tar.gz -C ${TARGET_DIR}
 	touch ${TARGET_DIR}/${VERSION}
 }
diff --git a/scripts/vagrant-linux-priv-consul.sh b/scripts/vagrant-linux-priv-consul.sh
index e2c8e523c..5d4eb4762 100755
--- a/scripts/vagrant-linux-priv-consul.sh
+++ b/scripts/vagrant-linux-priv-consul.sh
@@ -12,7 +12,7 @@ function install_consul() {
 		fi
 	fi
 
-	wget -q -O /tmp/consul.zip ${DOWNLOAD}
+	curl -sSL --fail -o /tmp/consul.zip ${DOWNLOAD}
 
 	unzip -d /tmp /tmp/consul.zip
 	mv /tmp/consul /usr/bin/consul
diff --git a/scripts/vagrant-linux-priv-dev.sh b/scripts/vagrant-linux-priv-dev.sh
index f8dce4c58..cc702043b 100755
--- a/scripts/vagrant-linux-priv-dev.sh
+++ b/scripts/vagrant-linux-priv-dev.sh
@@ -9,7 +9,7 @@ apt-get install -y \
 	      vim
 
 # Install Chrome for running tests (in headless mode)
-wget -qO- - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
+curl -sSL -o- https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -
 echo "deb https://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list
 apt-get update
 apt-get install -y google-chrome-stable
diff --git a/scripts/vagrant-linux-priv-go.sh b/scripts/vagrant-linux-priv-go.sh
index ed361ee87..780f37d51 100755
--- a/scripts/vagrant-linux-priv-go.sh
+++ b/scripts/vagrant-linux-priv-go.sh
@@ -10,7 +10,7 @@ function install_go() {
 		return
 	fi
 
-	wget -q -O /tmp/go.tar.gz ${download}
+	curl -sSL --fail -o /tmp/go.tar.gz ${download}
 
 	tar -C /tmp -xf /tmp/go.tar.gz
 	sudo mv /tmp/go /usr/local
diff --git a/scripts/vagrant-linux-priv-protoc.sh b/scripts/vagrant-linux-priv-protoc.sh
index d2e3ae853..8e8c6dbf2 100755
--- a/scripts/vagrant-linux-priv-protoc.sh
+++ b/scripts/vagrant-linux-priv-protoc.sh
@@ -14,7 +14,7 @@ function install_protoc() {
     fi
 
     # Download
-    wget -q -O /tmp/protoc.zip ${DOWNLOAD}
+    curl -sSL --fail -o /tmp/protoc.zip ${DOWNLOAD}
 
     # Unzip
     unzip /tmp/protoc.zip -d /tmp/protoc3
diff --git a/scripts/vagrant-linux-priv-vault.sh b/scripts/vagrant-linux-priv-vault.sh
index e0f72fa23..ce2a1d5aa 100755
--- a/scripts/vagrant-linux-priv-vault.sh
+++ b/scripts/vagrant-linux-priv-vault.sh
@@ -12,7 +12,7 @@ function install_vault() {
 		fi
 	fi
 	
-	wget -q -O /tmp/vault.zip ${DOWNLOAD}
+	curl -sSL --fail -o /tmp/vault.zip ${DOWNLOAD}
 
 	unzip -d /tmp /tmp/vault.zip
 	mv /tmp/vault /usr/bin/vault
diff --git a/scripts/vagrant-linux-unpriv-ui.sh b/scripts/vagrant-linux-unpriv-ui.sh
index 97643759a..bf133371a 100755
--- a/scripts/vagrant-linux-unpriv-ui.sh
+++ b/scripts/vagrant-linux-unpriv-ui.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # Install NVM for simple node.js version management
-wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash
+curl -sSL --fail -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash
 
 # This enables NVM without a logout/login
 export NVM_DIR="/home/vagrant/.nvm"