diff --git a/README.md b/README.md
index b904f46..8db95f2 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,7 @@ platforms. Windows support is experimental.
 
 For the lazy on Ubuntu 16.04 LTS amd64:
 
-    curl https://git.io/vFN94 | sudo bash
+    curl https://git.io/vFN94 -sSf | bash
 
 This will [install Tor](https://www.torproject.org/download/download-unix.html.en) from official
 torproject.org packages.
diff --git a/install.bash b/install.bash
index bb53a21..1db44b5 100755
--- a/install.bash
+++ b/install.bash
@@ -10,12 +10,12 @@ sudo apt upgrade -yy
 sudo apt install -y tor deb.torproject.org-keyring
 
 tmpdir=$(mktemp -d)
-trap "rm -rf ${tmpdir}"
+trap "rm -rf ${tmpdir}" EXIT
 
 cd ${tmpdir}
 wget -O ormesh.tar.gz https://github.com/cmars/ormesh/releases/download/v0.1.5/ormesh_0.1.5_linux_amd64.tar.gz
 tar xf ormesh.tar.gz
 sudo cp ormesh /usr/bin/ormesh
-sudo /usr/bin/ormesh agent privbind
+/usr/bin/ormesh agent privbind
 /usr/bin/ormesh agent systemd | sudo tee /etc/systemd/system/ormesh.service