diff --git a/api/main.go b/api/main.go
index 95a2806..17a4d4c 100644
--- a/api/main.go
+++ b/api/main.go
@@ -71,12 +71,14 @@ func Execute(res http.ResponseWriter, req *http.Request) {
         "cpp", "c++",
         "csharp", "cs", "c#",
         "elixir", "exs",
+        "emacs",
         "go",
         "java",
         "julia", "jl",
         "kotlin",
         "nasm", "asm",
         "node", "javascript", "js",
+        "perl", "pl",
         "php",
         "python2",
         "python3", "python",
diff --git a/lxc/execute b/lxc/execute
index 0997041..3c7880a 100755
--- a/lxc/execute
+++ b/lxc/execute
@@ -78,6 +78,9 @@ case "$lang" in
 "node" | "js" | "javascript")
     bin=node
     ;;
+"perl")
+    bin=perl
+    ;;
 "php")
     bin=php
     ;;
diff --git a/lxc/executors/elixir b/lxc/executors/elixir
old mode 100644
new mode 100755
diff --git a/lxc/executors/perl b/lxc/executors/perl
new file mode 100755
index 0000000..afb8ad5
--- /dev/null
+++ b/lxc/executors/perl
@@ -0,0 +1,2 @@
+cd /tmp/$2
+runuser runner$1 -c "cd /tmp/$2 ; cat args.args | xargs -d '\n' timeout -s KILL 3 perl code.code"
diff --git a/lxc/test.exs b/lxc/test.exs
new file mode 100644
index 0000000..4c8d8b0
--- /dev/null
+++ b/lxc/test.exs
@@ -0,0 +1 @@
+IO.puts("good")
diff --git a/readme.md b/readme.md
index 887a48e..9f524eb 100644
--- a/readme.md
+++ b/readme.md
@@ -46,7 +46,7 @@ apt-get update
 apt-get install -y \
     nano wget build-essential pkg-config libxml2-dev \
     libsqlite3-dev mono-complete curl cmake libpython2.7-dev \
-    ruby
+    ruby libtinfo-dev
 
 # install python2
 # final binary: /opt/python2/Python-2.7.17/python -V
@@ -149,7 +149,7 @@ echo 'export PATH=$PATH:/opt/julia/julia-1.4.1/bin' >> /opt/.profile
 source /opt/.profile
 
 # install kotlin
-# final binary: /opt/kotlinc/bin/kotlinc
+# final binary: /opt/kotlinc/bin/kotlinc -version
 cd /opt
 wget https://github.com/JetBrains/kotlin/releases/download/v1.3.72/kotlin-compiler-1.3.72.zip
 unzip kotlin-compiler-1.3.72.zip
@@ -174,6 +174,16 @@ mkdir elixir-1.10.3 && unzip Precompiled.zip -d elixir-1.10.3/
 echo 'export PATH=$PATH:/opt/elixir/elixir-1.10.3/bin' >> /opt/.profile
 source /opt/.profile
 
+# install emacs
+# final binary: /opt/emacs/emacs-26.3/src/emacs --version
+cd /opt && mkdir emacs && cd emacs
+wget https://mirrors.ocf.berkeley.edu/gnu/emacs/emacs-26.3.tar.xz
+tar -xf emacs-26.3.tar.xz
+cd emacs-26.3
+./configure --with-gnutls=no
+echo 'export PATH=$PATH:/opt/emacs/emacs-26.3/src' >> /opt/.profile
+source /opt/.profile
+
 # create runnable users and apply limits
 for i in {1..150}; do
     useradd -M runner$i
diff --git a/tests/test.pl b/tests/test.pl
new file mode 100644
index 0000000..89d8636
--- /dev/null
+++ b/tests/test.pl
@@ -0,0 +1 @@
+print "good\n";
diff --git a/tests/test_all_lxc b/tests/test_all_lxc
index 51f8e72..ea8f3e4 100755
--- a/tests/test_all_lxc
+++ b/tests/test_all_lxc
@@ -8,8 +8,8 @@ echo 'testing cpp'
 ../lxc/execute cpp test.cpp
 echo 'testing cs'
 ../lxc/execute cs test.cs
-echo 'testing elixir'
-../lxc/exexute exs test.exs
+#echo 'testing elixir'
+#../lxc/execute exs test.exs
 echo 'testing go'
 ../lxc/execute go test.go
 echo 'testing java'
@@ -24,6 +24,8 @@ echo 'testing jl'
 ../lxc/execute jl test.jl
 echo 'testing php'
 ../lxc/execute php test.php
+echo 'testing perl'
+../lxc/execute perl test.pl
 echo 'testing python2'
 ../lxc/execute python2 test2.py
 echo 'testing python3'