[root@openstack Downloads(keystone_admin)]# history
    1  yum install -y git
    2  cd /var/log
    3  ls -lrt
    4  tail -f messages
    5  cd /var/tmp/
    6  ls
    7  cd packstack/
    8  ls
    9  free -m
   10  yum install -y https://rdoproject.org/repos/rdo-release.rpm
   11  systemctl disable --now NetworkManager
   12  systemctl disable firewalld --now
   13  setenforce 0
   14  vim /etc/sysconfig/selinux
   15  yum install -y centos-release-openstack-train
   16  yum install -y openstack-packstack openstack-utils
   17  packstack --gen-answer-file /root/answers.txt
   18  vim answers.txt
   19  packstack --answer-file /root/answers.txt
   20  vim answers.txt
   21  packstack --answer-file /root/answers.txt
   22  reboot
   23  nmtui
   24  ip a
   25  history | grep pack
   26  packstack --answer-file /root/answers.txt
   27  ip a
   28  ip netns list
   29  openstack network list
   30  source keystonerc_admin
   31  openstack network list
   32  ip netns list
   33  source /home/student/Downloads/myproject-openrc.sh
   34  less /home/student/Downloads/myproject-openrc.sh
   35  neutron floatingip-create publicnet
   36  pwd
   37  ls
   38  git clone https://github.com/sandervanvugt/luth
   39  luth/countdown 13
   40  cd /tmp
   41  wget http://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img
   42  ls -l
   43  ls -l cirros-0.4.0-x86_64-disk.img
   44  free -m
   45  cd /home/student/Downloads/
   46  ls
   47  ssh -i mykey1.pem cirros@192.168.4.21
   48  ip netns
   49  ip netns exec qdhcp-c94691e3-f86b-4d6c-9b22-86a6c1abfcea ip a
   50  ip netns exec qrouter-8cbabeba-130c-4749-90cb-80b277466741 ip a
   51  sysctl -a | grep ip_forward
   52  ip netns exec qrouter-8cbabeba-130c-4749-90cb-80b277466741 ip route show
   53  ip netns exec qrouter-8cbabeba-130c-4749-90cb-80b277466741 ping 192.168.100.121
   54  ls
   55  ip netns exec qrouter-8cbabeba-130c-4749-90cb-80b277466741 ssh -i mykey1.pem 192.168.100.121
   56  ip netns exec qrouter-8cbabeba-130c-4749-90cb-80b277466741 ssh -i mykey1.pem cirros@192.168.100.121
   57  history