diff --git a/apt-cacher/setup.sh b/apt-cacher/setup.sh
index 239edcfc..49cf5c9e 100755
--- a/apt-cacher/setup.sh
+++ b/apt-cacher/setup.sh
@@ -1,2 +1,12 @@
 #!/bin/bash
-echo 'Acquire::http { Proxy "http://192.168.179.107:3142"; }' | sudo tee -a /etc/apt/apt.conf.d/proxy
\ No newline at end of file
+
+IP="192.168.179.107"
+
+# Ping the IP address to check if it is reachable
+if ping -c 1 $IP &> /dev/null
+then
+    echo 'Acquire::http { Proxy "http://192.168.179.107:3142"; }' | sudo tee -a /etc/apt/apt.conf.d/proxy
+else
+    echo "IP $IP is not reachable. Exiting."
+    exit 1
+fi
diff --git a/gui/postman.sh b/gui/postman.sh
new file mode 100755
index 00000000..3f5f38ab
--- /dev/null
+++ b/gui/postman.sh
@@ -0,0 +1 @@
+snap install postman
\ No newline at end of file
diff --git a/gui/setup.sh b/gui/setup.sh
index f47a4288..a70c4a52 100755
--- a/gui/setup.sh
+++ b/gui/setup.sh
@@ -6,4 +6,7 @@ chmod +x ./gui/spotify.sh
 ./gui/spotify.sh
 
 chmod +x ./gui/bluemail.sh
-./gui/bluemail.sh
\ No newline at end of file
+./gui/bluemail.sh
+
+chmod +x ./gui/postman.sh
+./gui/postman.sh
\ No newline at end of file