diff --git a/jupyter/setup.md b/jupyter/setup.md
new file mode 100644
index 0000000..09608e4
--- /dev/null
+++ b/jupyter/setup.md
@@ -0,0 +1,14 @@
+
+install R kernel for jupyter to use
+* `sudo R`
+* `install.packages('IRkernel')`
+* `IRkernel::installspec()`
+
+run on network:
+`jupyter notebook --ip 10.0.10.15 --port 8888`
+
+
+basic packages:
+* ggplot2, plyr, ggExtra, scales
+
+
diff --git a/nodejs/express.md b/nodejs/express.md
index 9c98b94..b23159c 100644
--- a/nodejs/express.md
+++ b/nodejs/express.md
@@ -6,4 +6,23 @@ openssl genrsa -out key.pem
 openssl req -new -key key.pem -out csr.pem
 openssl x509 -req -days 9999 -in csr.pem -signkey key.pem -out cert.pem
 rm csr.pem
-```
\ No newline at end of file
+```
+
+
+##Chrome stops accepting self-signed certs needs mod
+
+https://stackoverflow.com/questions/43665243/invalid-self-signed-ssl-cert-subject-alternative-name-missing
+
+1. set a file v3.ext
+```
+authorityKeyIdentifier=keyid,issuer
+basicConstraints=CA:FALSE
+keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
+subjectAltName = @alt_names
+
+[alt_names]
+DNS.1 = %%DOMAIN%%
+```
+
+2. openssl req -new -key key.pem -out csr.pem -sha256 -extfile v3.ext
+
diff --git a/nodejs/new_proj.md b/nodejs/new_proj.md
new file mode 100644
index 0000000..e69de29
diff --git a/ubuntu/system_service.md b/ubuntu/system_service.md
new file mode 100644
index 0000000..9ce0bac
--- /dev/null
+++ b/ubuntu/system_service.md
@@ -0,0 +1,21 @@
+`//etc/systemd/system/filename.service`
+
+```
+[Unit]
+Description=forecast_api
+After=network.target
+
+[Service]
+ExecStart=/usr/bin/node //opt/forecast_api/index.js
+Restart=always
+User=fc_api
+Environemnt=NODE_ENV=production
+WorkingDirectory=//opt/forecast_api
+
+[Install]
+WantedBy=multi-user.target
+```
+
+`systemctl enable forecast.api`
+
+`systemctl start forecast_api.service`
\ No newline at end of file