From e06e35666eb57c0ac9cd761a72588ac01e1d5639 Mon Sep 17 00:00:00 2001
From: bohung <bohung@rulingcom.com>
Date: Wed, 24 Aug 2022 15:00:24 +0800
Subject: [PATCH] Fix bug.

---
 install_nginx.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/install_nginx.sh b/install_nginx.sh
index 0d27a63..ffb789e 100644
--- a/install_nginx.sh
+++ b/install_nginx.sh
@@ -6,6 +6,9 @@ ubuntu_ver="$(lsb_release -rs)"
 sudo apt install -y make
 org_pwd="$(pwd)"
 cpu_cores="$(nproc --all)"
+if [[ -z "$cpu_cores" ]]; then
+    cpu_cores="1"
+fi
 openssl_ver="$(openssl version|xargs| awk '{print $2}')"
 openssl_dir=""
 openssl_source_dir=""