Merge pull request #636 from PureStorage-OpenConnect/sysctl

append sysctl.conf

Author: danpaul81

infra/all-common

@@ -1,6 +1,6 @@
-sysctl -w net.ipv6.conf.all.disable_ipv6=1 >/etc/sysctl.conf
-sysctl -w net.ipv6.conf.default.disable_ipv6=1 >/etc/sysctl.conf
-sysctl -w net.ipv4.ip_forward=1 >/etc/sysctl.conf
+sysctl -w net.ipv6.conf.all.disable_ipv6=1 >>/etc/sysctl.conf
+sysctl -w net.ipv6.conf.default.disable_ipv6=1 >>/etc/sysctl.conf
+sysctl -w net.ipv4.ip_forward=1 >>/etc/sysctl.conf
 
 sed -i '/^127.0.0.1.*\(master\|node\)/d' /etc/hosts
 while ! yum install -y dnf; do sleep 1; done
@@ -101,6 +101,6 @@ done
 systemctl enable --now atd chronyd
 [ "$stop_after" != 0 ] && echo /usr/sbin/poweroff | at now + $stop_after hours
 modprobe br_netfilter
-sysctl -w net.bridge.bridge-nf-call-iptables=1 >/etc/sysctl.conf
+sysctl -w net.bridge.bridge-nf-call-iptables=1 >>/etc/sysctl.conf
 rm -f /etc/motd.d/cockpit
 [ "$run_everywhere" ] && eval $run_everywhere || true