diff --git a/.config/zsh/alias/openwrt.zsh b/.config/zsh/alias/openwrt.zsh
index b85ef41..65377cf 100644
--- a/.config/zsh/alias/openwrt.zsh
+++ b/.config/zsh/alias/openwrt.zsh
@@ -1,6 +1,15 @@
 #!/bin/zsh
 
+openwrt-ssh() {
+    ssh -o GlobalKnownHostsFile=/dev/null -o UserKnownHostsFile=/dev/null -o CheckHostIP=no -o StrictHostKeyChecking=no "$@"
+}
+
 openwrt-apk-list() {
+    (( ${+commands[openwrt-apk]} )) || {
+        echo 'missing "openwrt-apk"' >&2
+        return 127
+    }
+
     local i w
     w=$(mktemp -d) ; : "${w:?}"
     for i ; do
@@ -12,3 +21,22 @@ openwrt-apk-list() {
     done
     rm -rf "$w"
 }
+
+openwrt-ipk-list() {
+    local i m o
+    for i ; do
+        [ -n "$i" ] || continue
+        o=0
+        for m ( './data.tar.gz' 'data.tar.gz' ) ; do
+            tar -tf "$i" "$m" 2>/dev/null || continue
+            o=1
+            env printf '%q:\n' "$i"
+            tar -Oxf "$i" "$m" | tar -ztvf -
+            break
+        done
+        if [ "$o" = '0' ] ; then
+            env printf '%q: missing data.tar.gz\n' "$i"
+            continue
+        fi
+    done
+}