Difference between revisions of "OPS345 Lab 6"

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* Email overview
+
[http://wiki.littlesvr.ca/wiki/OPS345_Lab_6 This page has moved.]
* Create a new VM named 'email' in vpc-ops345, 10.3.45.12, with an extra 4GB EBS volume, ops345sgemail, email.asmith15.ops345.ca
 
* ssh only from ops345sgprivate
 
* add an iptables rule on router to forward port 2212 to email:22, don't forget to edit ops345sg
 
* email_public_ip
 
* same instructions as for vg_www-lv_www but vg_email-lv_email, mounted on /home
 
* but also mount it on /tmp/home, and move everything from /home to /tmp/home before rebooting
 
** can lose access to ssh key if don't do it right - see what happens if mount on /home without
 
<source>[root@email ~]# vi /etc/fstab
 
[root@email ~]# mount /home/
 
[root@email ~]# ls /home/
 
lost+found
 
# try to ssh now, it won't work
 
[root@email ~]# umount /home/
 
[root@email ~]# mkdir /tmp/home
 
[root@email ~]# mount /dev/mapper/vg_email-lv_email /tmp/home/
 
[root@email ~]# cd /home/
 
[root@email home]# ls -a
 
. ..  andrew
 
[root@email home]# mv andrew/ /tmp/home/
 
[root@email home]# cd /
 
[root@email /]# ls /home/
 
[root@email /]# ls /tmp/home/
 
andrew  lost+found
 
[root@email /]# umount /tmp/home/
 
[root@email /]# ls /tmp/home/
 
[root@email /]# ls /home/
 
[root@email /]# mount /home/
 
[root@email /]# ls -a /home/andrew/
 
..  .bash_history  .bash_logout  .bash_profile  .bashrc  .ssh
 
[root@email /]# reboot # and confirm can still log in. if not - have to rebuild email vm
 
</source>
 

Latest revision as of 02:42, 28 February 2022