Fix incorrect ulimit config in Dockerfile (#364)

Fix incorrect ulimit nofile config in Dockerfile.

Instead of bash, sh is used by default where `echo` does not accept any parameters and `-e` is written into /etc/security/limits.conf.

dockerfile/cuda11.1.1.dockerfile

@@ -62,8 +62,8 @@ RUN mkdir -p /root/.ssh && \
     sed -i "s/[# ]*PermitRootLogin prohibit-password/PermitRootLogin yes/" /etc/ssh/sshd_config && \
     sed -i "s/[# ]*PermitUserEnvironment no/PermitUserEnvironment yes/" /etc/ssh/sshd_config && \
     sed -i "s/[# ]*Port.*/Port 22/" /etc/ssh/sshd_config && \
-    echo -e "* soft nofile 1048576\n* hard nofile 1048576" >> /etc/security/limits.conf && \
-    echo -e "root soft nofile 1048576\nroot hard nofile 1048576" >> /etc/security/limits.conf
+    echo "* soft nofile 1048576\n* hard nofile 1048576" >> /etc/security/limits.conf && \
+    echo "root soft nofile 1048576\nroot hard nofile 1048576" >> /etc/security/limits.conf
 
 # Install OFED
 ENV OFED_VERSION=5.2-2.2.3.0

dockerfile/rocm5.0.x.dockerfile

@@ -70,8 +70,8 @@ RUN mkdir -p /root/.ssh && \
     sed -i "s/[# ]*PermitRootLogin prohibit-password/PermitRootLogin yes/" /etc/ssh/sshd_config && \
     sed -i "s/[# ]*PermitUserEnvironment no/PermitUserEnvironment yes/" /etc/ssh/sshd_config && \
     sed -i "s/[# ]*Port.*/Port 22/" /etc/ssh/sshd_config && \
-    echo -e "* soft nofile 1048576\n* hard nofile 1048576" >> /etc/security/limits.conf && \
-    echo -e "root soft nofile 1048576\nroot hard nofile 1048576" >> /etc/security/limits.conf
+    echo "* soft nofile 1048576\n* hard nofile 1048576" >> /etc/security/limits.conf && \
+    echo "root soft nofile 1048576\nroot hard nofile 1048576" >> /etc/security/limits.conf
 
 # Install OFED
 ENV OFED_VERSION=5.2-2.2.3.0

dockerfile/rocm5.1.x.dockerfile

@@ -82,8 +82,8 @@ RUN mkdir -p /root/.ssh && \
     sed -i "s/[# ]*PermitRootLogin prohibit-password/PermitRootLogin yes/" /etc/ssh/sshd_config && \
     sed -i "s/[# ]*PermitUserEnvironment no/PermitUserEnvironment yes/" /etc/ssh/sshd_config && \
     sed -i "s/[# ]*Port.*/Port 22/" /etc/ssh/sshd_config && \
-    echo -e "* soft nofile 1048576\n* hard nofile 1048576" >> /etc/security/limits.conf && \
-    echo -e "root soft nofile 1048576\nroot hard nofile 1048576" >> /etc/security/limits.conf
+    echo "* soft nofile 1048576\n* hard nofile 1048576" >> /etc/security/limits.conf && \
+    echo "root soft nofile 1048576\nroot hard nofile 1048576" >> /etc/security/limits.conf
 
 # Install OFED
 ENV OFED_VERSION=5.2-2.2.3.0