|width="45%"|'''Instructors:''' see [[OSL840]]|'''Note:''' Each OSL840 instructor professor will indicate the due dates for labs, tests and assignmentsfor their sections. This schedule is a considered to be a general guideline for week-by-week content.

<td width="20%" style="border-bottom: thin solid black;">'''Week 1:'''<br>10 jan 9 Jan - 14 jan13 Jan<br></td> <td style="border-bottom: thin solid black;">'''Introduction to OSL840:Course introduction'''<ul> <li>About the course</li> <li>Outline, policiesReview of prerequisite skills from OSL640 and OSL740</li> <li>Assignments, labs, evaluation, emailAWS account requirements and account setup</li> <li>Preparation for OSL840 labsYour workstation setup</li> </ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">'''Online Reference:'''<ul><li>[https://wiki.centoscdot.senecacollege.orgca/TipsAndTricks#head-4c9ee55a5c9dc051bd32e795b46a3856e41a0335 Centos7 Install Tips]<wiki/li><li>[[OSL840 ResourcesOSL840_Installation_Lab Prep for Labs]]</li></ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OSL840_Installation_Lab Prep for Labs]</td>

<td width="20%" style="border-bottom: thin solid black;">'''Week 2:'''<br>17 jan 16 Jan - 21 jan20 Jan<br></td> <td style="border-bottom: thin solid black;">'''Basic Networking &amp; Backups:First VM in the cloud'''<ul> <li>ifconfig & route vs ip; resolv.conf, hostnamectlAWS cost monitoring</li> <li>/etc/sysconfig/networkBasic security on a public-facing server: users, passwords, login requirements, SSH keys, lock-scripts/out prevention</li> <li>Network connection troubleshootingAWS networking, static IPs</li> <li>SSH & SSH Keys</li><li>rsync & cronDeploying a pre-built VM on AWS</li> </ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">'''Online Reference:'''<ul><li>[https://www.tty1.net/blog/2010/ifconfig-ip-comparison_en.html ip vs ifconfig]</li><li>[https://wiki.cdot.senecacollege.ca/wiki/OPS235_Lab_7 OPS235 - Lab7]</li><li>[https://www.digitalocean.com/community/tutorials/how-to-use-rsync-to-sync-local-and-remote-directories-on-a-vps rsync Howto]</li><li>[https://help.ubuntu.com/community/CronHowto Cron HowToOSL840_Lab1 Lab 1]</li></ul></td>  <td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_1 Lab 1: Network/Backup]</td>

<td width="20%" style="border-bottom: thin solid black;">'''Week 3:'''<br>24 jan 23 Jan - 28 jan27 Jan<br></td> <td style="border-bottom: thin solid black;">'''Packet Filtering Using AWS networking, iptables:'''<ul> <li>What is Packet FilteringThe purpose of a firewall on a server on the internet</li> <li>AWS Security Groups and iptables Basics<br>(Tables, Chains, Targets)</li> <li>iptables Commands &amp; Optionsfundamentals</li> <li>iptables Command Examplessetup & troubleshooting</li> <li>Saving iptables SettingsPort forwarding</li></ul></td> <td style="border-bottom: thin solid black;">'''Online Reference:'''<ul><li>[https://en.wikipedia.org/wiki/Iptables#Overview Overview]</li><li>[https://wiki.centos.org/HowTos/Network/IPTables CentOS Wiki] </li></ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_2 Lab 2a:<br>Packet Filtering Using iptables]</td> </tr>

<td width="20%" style="border-bottom: thin solid black;">'''Week 4:'''<br>31 jan 30 Jan - 4 feb</td> <td style="border-bottom: thin solid black;">'''Network Address Translation /<br>iptables Best Practices'''<ul><li>Network Address Translation03 Feb<br>(NAT Table - iptables)</li><li>Debugging firewall problems:<ul><li> Troubleshooting Procedures</li><li>Troubleshooting Tools</li><li>Troubleshooting Exercises</li></ul></li></ul></td> <td style="border-bottom: thin solid black;">'''Online Reference:Web server'''<ul> <li>[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_1#Linux_Network_Connection_Configuration_Troubleshooting Test Network Connectivity]<br>(From Lab1)Apache web server configuration</li></ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_2b Lab 2b:<br>Additional iptables Troubleshooting]</td> </tr><tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 5:'''<br>7 feb - 11 feb</td> <td style="border-bottom: thin solid black;">'''Domain Name System (DNS):'''<ul><li>Address resolution mechanism (zone definitions)</li><li>DNS Web server setup</li><li>Querying Name Servers</li><li>Reverse DNS lookups</li></ul>'''Performing DNS Queries'''<ul><li>SOAstorage, MXconfiguration, TXT recordsLVM</li> <li>Coordinating multiple serversSimple PHP websites</li><br> <li>'''[[OPS335_-_Assignment_1_(Part_1) | OPS335 - Assignment 1 (Part 1)]]'''Public server without public ip</li></ul></td> <td style="border-bottom: thin solid black;">'''Online Reference:'''<ul><li>[https://en.wikipedia.org/wiki/Domain_Name_System#Address_resolution_mechanism Address resolution mechanism]</li> <li>[https://en.wikipedia.org/wiki/Reverse_DNS_lookup Reverse DNS lookups]HTTP vs HTTPS</li> </ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_3 Lab 3: DNS]</td>

<td width="20%" style="border-bottom: thin solid black;">'''Week 65:'''<br>14 feb 06 Feb- 18 feb10 Feb<br></td> <td style="border-bottom: thin solid black;">'''Mail Servers - SMTPDatabases'''<ul> <li>Mail Server Elements (MSA/MTA, MUA, MDA, MS, AA, SMTP)</li><li>Install and using mailx application (MUA)RDBMS fundamentals</li> <li>Analyze Email Message HeadersMariaDB on AWS</li><li>Setup Postfix Server (no encryption)</li><li>Sending Email from VM to Seneca College Mail Account</li><li>Troubleshooting</li></ul></td> <td style="border-bottom: thin solid black;">'''Online Reference:'''<ul> <li>[http://www.simplehelp.net/2008/12/01/how-to-send-email-from-the-linux-command-line/ Sending Messages Practice with mail Command]MariaDB</li> <li>[http://www.johnkerl.org/doc/mail-how-to.html#prompt_commands Read Email Message with mail Command]</li><li>[httpsWeb server + database example://support.google.com/mail/answer/29436?hl=en Reading Full Email Headers]NextCloud</li> </ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_4 Lab 4a:<br>Simple Mail Server Setup]</td> </tr>

<td width="20%" style="border-bottom: thin solid black;">'''Week 76:'''<br>21 feb 13 Feb - 25 feb17 Feb<br>(Monday is a holiday)</td> <td style="border-bottom: thin solid black;">'''Evaluation / Review:Assignment 1'''<ul> <li>'''[[OPS335_-_Assignment_1_(Part_2) | OPS335 - Assignment 1 (Part 2)]]'''Creating/using AMIs</li> <li>Written Midterm TestAutomatic synchronisation using rsync, ssh keys, & cron</li> <li>Simple load balancing using iptables</ulli> <li>Really simple python scripting</tdli> <td style="border-bottom: thin solid black;"/ul>&nbsp;</td> <td style="border-bottom: thin solid black;font-weight:bold;">&nbsp;</td>

<td width="20%" style="border-bottom: thin solid black;background-color:#f0f0f5;">'''Study Week7:'''<br>28 feb <br>20 Feb - 4 mar24 Feb<br>(Feb 20 Family Day)</td> <td colspanstyle="3border-bottom: thin solid black;" >'''Evaluation'''<ul> <li>Guided self-evaluation (online)</li> <li>Presentation (in-class)</li> </ul></td> <td style="border-bottom: thin solid black;backgroundfont-colorweight:#f0f0f5bold;">&nbsp;</td>

<td width="20%" style="border-bottom: thin solid black;background-color:#f0f0f5;">'''Study Week 8:'''<br>7 mar 27 Feb - 11 mar03 Mar</td> <td stylecolspan="border-bottom: thin solid black;">'''Using a Centralized Message Store (IMAP)'''<ul><li>Specifying Domains for Received Email (MTA)</li><li>Installing &amp; Configuring MDA/LDA</li><li>Send &amp; Verify Receiving Mail on VMs</li><li>Troubleshooting</li></ul></td> <td style="border-bottom: thin solid black;3">'''Online Resources:'''<ul><li>[http://wiki.dovecot.org/MailServerOverview common mail server terms]</li><li>[http://www.postfix.org/postconf.5.html Postfix man page]</li><li>[https://workaround.org/ispmail/wheezy/setting-up-dovecot Configuring Dovecot]</ul></td> <td style="border-bottom: thin solid black;fontbackground-weightcolor:bold#f0f0f5;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_4b Lab 4b:<br>Mail Server Setup: LDA]</td>

<td width="20%" style="border-bottom: thin solid black;">'''Week 98:'''<br>14 mar 06 Mar - 18 mar10 Mar</td> <td style="border-bottom: thin solid black;">'''File Server (Samba):DNS'''<ul> <li>smbclient, smbmount (mount -t cifs)DNS overview</li> <li>Register a domain name</li>smb.conf <li>Set up A, testparmCNAME, smbpasswd, pdbeditTXT records</li> <li>getsebool, setseboolSet up Let's Encrypt</li> </ulli>Modify Apache to use HTTPS</tdli> <td style="border-bottom: thin solid black;"/ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_5 Lab 5: Samba Server]</td>

<td width="20%" style="border-bottom: thin solid black;">'''Week 109:'''<br>21 mar 13 Mar - 25 mar17 Mar</td> <td style="border-bottom: thin solid black;">'''Web Server (Apache)Simple email server''':<ul> <li>LAMP stack installation and configurationEmail overview</li> </ulli>MX records</tdli> <td style="border-bottom: thin solid black;"li>'''Online ResourcesThird AWS VM:'''email<ul/li> <li>[http:Basic Postfix setup<//www.w3schools.com/php/default.asp PHP Tutorial]li> <li>Delivery using dovecot-lda to Maildir</li> <li>[httpEmail server security://www.w3schools.com/sql/ MySQL / SQL Language Resources]open relays, port access</li> </ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_6 Lab 6: Web Server]</td>

<td width="20%" style="border-bottom: thin solid black;">'''Week 1110:'''<br>28 mar 20 Mar - 1 apr24 Mar<br></td> <td style="border-bottom: thin solid black;">'''Webmail: Encrypted connectionsIMAP server'''<ul> <li>WebMail installation and configurationSet up Thunderbird for your domain</li> <li>Setting Up a Self-Serve Certificate</li><li>Configuring Add encryption and authentication support to Postfix (VM2) for Encryption (TLS)</li> <li>Setting Set up Encryption Dovecot with Thunderbird MUASSL</li> <li>Setting Up Dovecot MDA/LDA Set up Thunderbird for Encryption (SSL)myseneca</li></ul></td> <td style="border-bottom: thin solid black;">'''Online Resources:'''<ul><li>[https://en.wikipedia.org/wiki/Transport_Layer_Security TLS, SSL Definition]</li><li>[https://www.e-rave.nl/create-a-self-signed-ssl-key-for-postfix Create a self signed SSL key for Postfix]</li><li>[http://wiki2.dovecot.org/SSL/DovecotConfiguration Dovecot SSL configuration]</li> </ul></td> <td style="border-bottom: thin solid black;font-weight:bold;"> <br>[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_7 Lab 7: Encrypted connections and webmail]</td>

<td width="20%" style="border-bottom: thin solid black;">'''Week 1211:'''<br>4 apr 27 Mar - 8 apr31 Mar<br></td> <td style="border-bottom: thin solid black;">'''OpenLDAP:Proper Cloud data storage'''<ul> <li>LDAP OverviewStorage overview on AWS</li> <li>Client setupEBS</li> <li>Adding usersRDS</li></ul></td> <td style="border-bottom: thin solid black;">'''Online Resources:'''<ul> <li>[https://www.openldap.org/doc/admin24/ OpenLDAP Administration Guide]EFS</li> <li>[https://www.itzgeek.com/how-tos/linux/centos-how-tos/step-step-openldap-server-configuration-centos-7-rhel-7.html CentOS server & client setup guide]S3</li> </ul></td> <td style="border-bottom: thin solid black;font-weight:bold;">[https://wiki.cdot.senecacollege.ca/wiki/OPS335_Lab_8 Lab 8: OpenLDAP]</td> </tr>

<td width="20%" style="border-bottom: thin solid black;">'''Week 1312:'''<br>11 apr 03 Apr - 15 apr07 Apr<br>(Friday is a holiday)</td> <td colspan="3" style="border-bottom: thin solid black;">'''Evaluation / Review:Automatic Deployment and Configuration Management (no lab)'''<ul> <li>What we did wrong in this course</li> <li>'''[[OPS335_Automatic, demand-_Assignment_2 | OPS335 - Assignment 2]]'''based deployment of VMs</li> <li>Automatically configuring new VMs</li> <li>Exam ReviewContainers</li> </ul></td> <td style="border-bottom: thin solid black;font-weight:bold;"></td>

<td width="20%" style="border-bottom: thin solid black;background-color:#f0f0f5;">'''Week 14 (3 days)13:'''<br>18 apr 10 Apr - 22 apr14 Apr</td> <td colspanstyle="3border-bottom: thin solid black;" > <li>Roundcube Webmail</li> <li>Overview of skills gained</li> </td> <td style="border-bottom: thin solid black;backgroundfont-colorweight:#f0f0f5bold;"></td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Evaluation Week 14:'''<br>17 Apr - 21 Apr<br></ Reviewtd> <td style="border-bottom:thin solid black;">'''Evaluation'''<ul> <li>Guided self-evaluation (online)</li> <li>Final ExamPresentation (in-class)</li> </ul></td> <td style="border-bottom: thin solid black;font-weight:bold;"></td>