diff --git a/ui/build/config.go b/ui/build/config.go
index 1f7656e..eefe0ed 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -110,6 +110,7 @@
 		"DISPLAY",
 		"GREP_OPTIONS",
 		"NDK_ROOT",
+		"POSIXLY_CORRECT",
 
 		// Drop make flags
 		"MAKEFLAGS",
diff --git a/ui/build/paths/config.go b/ui/build/paths/config.go
index 4275601..aeefcf2 100644
--- a/ui/build/paths/config.go
+++ b/ui/build/paths/config.go
@@ -71,6 +71,7 @@
 	"dd":        Allowed,
 	"diff":      Allowed,
 	"dirname":   Allowed,
+	"du":        Allowed,
 	"echo":      Allowed,
 	"egrep":     Allowed,
 	"env":       Allowed,
@@ -90,6 +91,7 @@
 	"javap":     Allowed,
 	"ln":        Allowed,
 	"ls":        Allowed,
+	"lsof":      Allowed,
 	"m4":        Allowed,
 	"make":      Allowed,
 	"md5sum":    Allowed,
@@ -97,10 +99,12 @@
 	"mktemp":    Allowed,
 	"mv":        Allowed,
 	"openssl":   Allowed,
+	"paste":     Allowed,
 	"patch":     Allowed,
 	"perl":      Allowed,
 	"pgrep":     Allowed,
 	"pkill":     Allowed,
+	"ps":        Allowed,
 	"pstree":    Allowed,
 	"pwd":       Allowed,
 	"python":    Allowed,
@@ -135,6 +139,7 @@
 	"whoami":    Allowed,
 	"xargs":     Allowed,
 	"xmllint":   Allowed,
+	"xxd":       Allowed,
 	"xz":        Allowed,
 	"zip":       Allowed,
 	"zipinfo":   Allowed,