diff --git a/cattleshed/cattleshed.conf.in b/cattleshed/cattleshed.conf.in
index 5554979..3e7da25 100644
--- a/cattleshed/cattleshed.conf.in
+++ b/cattleshed/cattleshed.conf.in
@@ -23,7 +23,7 @@
     "@CATTLESHED_BINDIR@/cattlegrid",
     "--uids=10000:1000000000",
     "--rootdir=./jail",
-    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/lib,/usr/include,/opt/wandbox,/usr/share",
+    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/include,/usr/lib,/usr/lib64,/usr/libexec,/usr/sbin,/usr/share,/opt/wandbox",
     "--rwmount=/tmp=./jail/tmp,/home/jail=./store",
     "--devices=/dev/null,/dev/zero,/dev/full,/dev/random,/dev/urandom",
     "--chdir=/home/jail",
@@ -52,7 +52,7 @@
     "@CATTLESHED_BINDIR@/cattlegrid",
     "--uids=10000:1000000000",
     "--rootdir=./jail",
-    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/lib,/usr/include,/opt/wandbox,/usr/share",
+    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/include,/usr/lib,/usr/lib64,/usr/libexec,/usr/sbin,/usr/share,/opt/wandbox",
     "--rwmount=/tmp=./jail/tmp,/home/jail=./store",
     "--devices=/dev/null,/dev/zero,/dev/full,/dev/random,/dev/urandom",
     "--chdir=/home/jail",
@@ -80,7 +80,7 @@
     "@CATTLESHED_BINDIR@/cattlegrid",
     "--uids=10000:1000000000",
     "--rootdir=./jail",
-    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/lib,/usr/include,/opt/wandbox,/usr/share",
+    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/include,/usr/lib,/usr/lib64,/usr/libexec,/usr/sbin,/usr/share,/opt/wandbox",
     "--rwmount=/tmp=./jail/tmp,/home/jail=./store",
     "--devices=/dev/null,/dev/zero,/dev/full,/dev/random,/dev/urandom",
     "--chdir=/home/jail",
@@ -92,63 +92,6 @@
    "output-limit-kill":262144,
    "output-limit-warn":131072,
   },
-  "melpon2-sbcl":{
-   "jail-command":[
-    "/usr/bin/env",
-    "HOME=/home/jail",
-    "/usr/bin/nice",
-    "@CATTLESHED_BINDIR@/prlimit",
-    "--core=0",
-    "--cpu=30",
-    "--data=1073741824",
-    "--fsize=5242880",
-    "--nofile=1024",
-    "--nproc=128",
-    "--",
-    "@CATTLESHED_BINDIR@/cattlegrid",
-    "--uids=10000:1000000000",
-    "--rootdir=./jail",
-    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/lib,/usr/include,/opt/wandbox,/usr/share",
-    "--rwmount=/tmp=./jail/tmp,/home/jail=./store",
-    "--devices=/dev/null,/dev/zero,/dev/full,/dev/random,/dev/urandom",
-    "--chdir=/home/jail",
-    "--",
-   ],
-   "program-duration":60,
-   "compile-time-limit":60,
-   "kill-wait":5,
-   "output-limit-kill":262144,
-   "output-limit-warn":131072,
-  },
-  "melpon2-dotnetcore":{
-   "jail-command":[
-    "/usr/bin/env",
-    "HOME=/home/jail",
-    "/usr/bin/nice",
-    "@CATTLESHED_BINDIR@/prlimit",
-    "--core=0",
-    "--cpu=30",
-    "--data=1073741824",
-    "--fsize=5242880",
-    "--nofile=1024",
-    "--nproc=128",
-    "--",
-    "@CATTLESHED_BINDIR@/cattlegrid",
-    "--uids=10000:1000000000",
-    "--rootdir=./jail",
-    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/lib,/usr/include,/opt/wandbox,/usr/share",
-    "--rwmount=/tmp=./jail/tmp,/home/jail=./store",
-    "--devices=/dev/null,/dev/zero,/dev/full,/dev/random,/dev/urandom",
-    "--chdir=/home/jail",
-    "--kill",
-    "--",
-   ],
-   "program-duration":60,
-   "compile-time-limit":60,
-   "kill-wait":5,
-   "output-limit-kill":262144,
-   "output-limit-warn":131072,
-  },
   "melpon2-julia":{
    "jail-command":[
     "/usr/bin/env",
@@ -166,7 +109,7 @@
     "@CATTLESHED_BINDIR@/cattlegrid",
     "--uids=10000:1000000000",
     "--rootdir=./jail",
-    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/lib,/usr/include,/opt/wandbox,/usr/share",
+    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/include,/usr/lib,/usr/lib64,/usr/libexec,/usr/sbin,/usr/share,/opt/wandbox",
     "--rwmount=/home/jail=./store",
     "--devices=/dev/null,/dev/zero,/dev/full,/dev/random,/dev/urandom",
     "--chdir=/home/jail",
@@ -195,7 +138,7 @@
     "@CATTLESHED_BINDIR@/cattlegrid",
     "--uids=10000:1000000000",
     "--rootdir=./jail",
-    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/lib,/usr/include,/usr/share",
+    "--mount=/bin,/etc,/lib,/lib64,/usr/bin,/usr/include,/usr/lib,/usr/lib64,/usr/libexec,/usr/sbin,/usr/share,/opt/wandbox",
     "--rwmount=/tmp=./jail/tmp,/home/jail=./store",
     "--devices=/dev/null,/dev/zero,/dev/full,/dev/random,/dev/urandom",
     "--chdir=/home/jail",