Initial commit

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

pub/common/utils/shellcmd.go

@@ -0,0 +1,15 @@
+package utils
+
+import (
+	"bytes"
+	"os/exec"
+)
+
+func ShellCmd(cmdStr string) (string, error) {
+	cmd := exec.Command("/bin/bash", "-c", cmdStr)
+	var out bytes.Buffer
+	cmd.Stdout = &out
+	ec := cmd.Run()
+
+	return out.String(), ec
+}