diff --git a/ct/tianji.sh b/ct/tianji.sh
index f22eaddb4..c58e739de 100644
--- a/ct/tianji.sh
+++ b/ct/tianji.sh
@@ -68,7 +68,8 @@ if [[ ! -f /opt/${APP}_version.txt ]] || [[ "${RELEASE}" != "$(cat /opt/${APP}_v
 
   msg_info "Updating ${APP} to ${RELEASE}"
   cd /opt/tianji
-  git checkout -q v${RELEASE}
+  git checkout -f -q v${RELEASE}
+  cd src/server
   pnpm db:migrate:apply >/dev/null 2>&1
   echo "${RELEASE}" >/opt/${APP}_version.txt
   msg_ok "Updated ${APP} to ${RELEASE}"
diff --git a/install/changedetection-install.sh b/install/changedetection-install.sh
index 6d898a8b3..025f6e442 100644
--- a/install/changedetection-install.sh
+++ b/install/changedetection-install.sh
@@ -147,7 +147,7 @@ Environment=NODE_ENV=production
 Environment=PORT=3000
 Environment=WORKSPACE_DIR=/opt/browserless/workspace
 WorkingDirectory=/opt/browserless
-ExecStart=/opt/browserless/start.sh
+ExecStart=/opt/browserless/scripts/start.sh
 SyslogIdentifier=browserless
 [Install]
 WantedBy=default.target
diff --git a/install/zipline-install.sh b/install/zipline-install.sh
index 1c444f8e3..2c47d0351 100644
--- a/install/zipline-install.sh
+++ b/install/zipline-install.sh
@@ -39,8 +39,8 @@ msg_ok "Installed Node.js"
 msg_info "Setting up PostgreSQL"
 DB_NAME=ziplinedb
 DB_USER=zipline
-DB_PASS="$(openssl rand -base64 18 | cut -c1-13)"
-SECRET_KEY="$(openssl rand -base64 32 | cut -c1-24)"
+DB_PASS="$(openssl rand -base64 18 | tr -dc 'a-zA-Z0-9' | cut -c1-13)"
+SECRET_KEY="$(openssl rand -base64 32 | tr -dc 'a-zA-Z0-9' | cut -c1-13)"
 $STD sudo -u postgres psql -c "CREATE ROLE $DB_USER WITH LOGIN PASSWORD '$DB_PASS';"
 $STD sudo -u postgres psql -c "CREATE DATABASE $DB_NAME WITH OWNER $DB_USER ENCODING 'UTF8' TEMPLATE template0;"
 $STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET client_encoding TO 'utf8';"