Open main menu

CDOT Wiki β

Changes

OPS235 Weekly Schedule

5,882 bytes removed, 22:40, 12 September 2019
Replaces hard-coded HTML with wiki markup
= Fall 2019 =
{| width|style="100width: 50%" align|'''Instructors:'''*[mailto:ahad.mammadov@senecacollege.ca Ahad Mammadov] (Sections '''A''' and '''C''')*[mailto:chris.johnson@senecacollege.ca Chris Johnson] (Section '''B''')*[mailto:colin.yip@senecacollege.ca Colin Yip] (Sections '''D''' and '''E''')|<br>'''Note:''' Each OPS235 instructor will indicate the due dates for labs, tests and assignments.<br><br>This schedule is a considered to be a general guideline for week-by-week content.|} {| class="leftwikitable" cellpadding!style="width: 10%"|Week!style="width: 30%"|- valignObjectives and Tasks!References!style="topwidth: 30%"|Labs|width- style="45%vertical-align:top;"|'''InstructorsWeek 1:'''<br>Sep 2-8*|'''Ahad MammadovCreate a CentOS Linux VM in VMware:''' *Install CentOS (Sections Full Install) in VMware Workstation application (create customized partitions)*Shell Scripting*Obtain System Information|'''ALecture Notes:''' and *Welcome to OPS235!: [https://prezi.com/qzh5grocfyib/welcome-to-ops235/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w1_l1.pdf pdf]*Installing Linux: [https://prezi.com/2yqudtkizlmj/installing-linux/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w1_l2.pdf pdf] '''CSetup Tutorial:'''*[[OPS335 Install Flash|Install Flash]] (to view web notes in CentOS 7)*|[[OPS235 Lab 1|Lab 1: Installing CentOS 7 with VMWare Workstation]] <p><br>'''WARNING:'''Chris Johnson<br>''' If working from home, use VMware Workstation (Windows/Linux) or VMware Fusion (Section macOS).''' <br><br>'''BDo not use any other virtualization software!''')* |- style="vertical-align:top;"|'''Colin YipWeek 2:''' (Sections <br>Sep 9-15|'''DPost-Installation Tasks:''' and *Post-Install Commands*Bash Shell Scripting Essentials*Using a Bash Shell Script to Create a Post Installation Report|'''ELecture Notes:'''*Bash Shell Scripting (part 1): [https://prezi.com/bk1pw0n-qjwp/bash-shell-scripting-part-1/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w1_l3.pdf pdf]
|
'''Note:''' Each OPS235 instructor will indicate the due dates for labs, tests and assignments.<br><br>This schedule is a considered to be a general guideline for week-by-week content.
|}
 
|- style="vertical-align:top;"
|'''Week 3:'''<br>Sep 16-22
|'''Creating & Using Virtual Machines'''
*Installing and Using Virtualization Software
*Installing Guest VMs
|'''Lecture Notes:'''
*Installing Virtual Machines: [https://prezi.com/itfej7og5kxt/creating-virtual-machines-vms/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w2_l1.pdf pdf]
|[[OPS235 Lab 2|Lab 2: Creating and Using Virtual Machines]]
 
 
|- style="vertical-align:top;"
|'''Week 4:'''<br>Sep 23-29
|'''Creating & Using Virtual Machines / Continued:'''
*Manipulating Virtual Machines
*Backing-up Virtual Machines
*Manipulating Virtual Machines with Shell Scripts
|'''Lecture Notes:'''
*Managing Virtual Machines: [https://prezi.com/fntt_lk0gg7v/managing-virtual-machines/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w2_l2.pdf pdf]
*Bash Shell Scripting (part2): [https://prezi.com/jeanobdj-9bf/bash-shell-scripting-part-2/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w2_l3.pdf pdf]
|
 
 
|- style="vertical-align:top;"
|'''Week 5:'''<br>Sep 30-Oct 6
|'''Troubleshooting, Archiving, Package Management:'''
*Common Troubleshooting Examples
*Archiving Files
*Package Management
|'''Lecture Notes:'''
*Troubleshooting, Archiving, Package Management: [https://prezi.com/wp_9j-z0jgrx/troubleshooting-archiving-package-management/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w3_l1.pdf pdf]
*Bash Shell Scripting (part 3): [https://prezi.com/jlu5pwmr_avn/bash-shell-scripting-part-3/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w3_l2.pdf pdf]
|[[OPS235 Lab 3|Lab 3: Troubleshooting, Archiving, and Packages]]
 
 
|- style="vertical-align:top;"
|'''Week 6:'''<br>Oct 7-13
|'''Managing Users, Groups & Services:'''
*User Management
*Group Management
*Service Status
*Starting / Stopping Services
|'''Lecture Notes:'''
*Managing Users, Groups & Services: [https://prezi.com/dx3qeitmuuif/managing-user-accounts-services/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w4a.pdf pdf]
*Bash Shell Scripting (part 4): [https://prezi.com/ardxoz36akmb/bash-shell-scripting-part-4/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w4b.pdf pdf]
|[[OPS235 Lab 4|Lab 4: Users, Groups and Services]]
 
 
|- style="vertical-align:top;"
|'''Week 7:'''<br>Oct 14-20
|'''Evaluation:'''
*Assignment 1
*Labs 1 - 4
*Written Midterm Test
*Practical Test #1
|
|
 
 
|- style="vertical-align:top;"
!colspan="4" style="text-align:left;"| '''Study Week:'''<br>Oct 21-27
|- style="vertical-align:top;"
|'''Week 8:'''<br>Oct 28-Nov 3
|'''Monitoring Disk Space, Intro to LVM'''
*Monitoring Hard Disk Space
*LVM - Definition
*Using LVM
*Creating Shell Scripts to Flag Low Disk Space
|'''Lecture Notes:'''
*Monitoring Disk Space, <code>crontab</code>, <code>awk</code> command: [https://prezi.com/__ayhf6te9zb/monitoring-hard-disk-space/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w8a.pdf pdf]
|[[OPS235 Lab 5|Lab 5: Monitoring Disk Space - Investigation 1]]
 
 
|- style="vertical-align:top;"
|'''Week 9:'''<br>Nov 4-10
|'''Using LVM'''
*Using Logical Volume Manager (LVM)
*Creating Shell Scripts to Flag Low Disk Space
|'''Lecture Notes:'''
*Introduction to LVM: [https://prezi.com/igc3z-ki_tdo/logical-volume-management-lvm/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w8b.pdf pdf]
*Demonstration of Growing ''/home'' partition using LVM: [https://youtu.be/4fGQmw9RInYg YouTube]
|[[OPS235 Lab 5#INVESTIGATION 2: MANAGING HARD DISK SPACE USING LVM|Lab 5: Using LVM - Investigation 2]]
|- style="vertical-align:top;"
|'''Week 10:'''<br>Nov 11-17
|'''Configuring a Network Using Virtual Machines'''
*Static Network Configuration
*Network Configuration with a DHCP client
*Basic TCP/IP network commands: <code>ping</code>, <code>ifconfig</code>, <code>netstat</code>
|'''Lecture Notes:'''
*Creating a Virtual Private Network (VPN): [https://prezi.com/kwgvo8g5eraj/creating-a-virtual-private-network-vpn/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w10a.pdf pdf]
*Bash Shell Scripting (part 6): [https://prezi.com/7j9ggxkg7jqc/copy-of-creating-a-virtual-private-network-vpn/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w10b.pdf pdf]
|[[OPS235 Lab 6|Lab 6: Virtual Private Networks]]
<table cellspacing="0" cellpadding="5" width="100%" style="border-top: thin solid black;">
<tr valign="top>
<td width="20%" style="border-bottom: thin solid black;font-weight:bold;background-color:#f0f0f5;">Week</td>
<td style="border-bottom: thin solid black;font-weight:bold;background-color:#f0f0f5;">Objectives and Tasks</td>
<td style="border-bottom: thin solid black;font-weight:bold;background-color:#f0f0f5;">Reference</td>
<td style="border-bottom: thin solid black;font-weight:bold;background-color:#f0f0f5;">Labs</td>
</tr>
<tr valign="top">
<td width="20%" style="border-bottom: thin solid black;">'''Week 1:'''<br>Sep 2-8</td>
<td style="border-bottom: thin solid black;">'''Create a CentOS Linux VM in VMware:'''<ul><li>Install CentOS (Full Install) in VMware Workstation application (create customized partitions)</li><li>Shell Scripting</li><li>Obtain System Information</li></ul></td>
<td style="border-bottom: thin solid black;">'''Lecture Notes:'''<br>Welcome to OPS235!: [https://prezi.com/qzh5grocfyib/welcome-to-ops235/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w1_l1.pdf pdf ]<br>Installing Linux: [https://prezi.com/2yqudtkizlmj/installing-linux/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w1_l2.pdf pdf ]<br><br>'''Setup Tutorial:''' <br>[[OPS335 Install Flash|Install Flash]]<br>(to view web notes in CentOS 7)</td>
<td style="border-bottom: thin solid black;font-weight:bold;">[[OPS235 Lab 1|Lab1]]<br><br>'''WARNING:'''<br>If working from home, use VMware Workstation (Windows/Linux) or VMware Fusion (macOS). <p>Do not use any other virtualization software!</p>
<!-- No Longer Used <ul><li>[http://zenit.senecac.on.ca/wiki/index.php/OPS235_Lab_1_-_CentOS7_-_HD2 Removable SATA Drive]</li><li>[http://zenit.senecac.on.ca/wiki/index.php/OPS235_Lab_1_-_CentOS7_-_SSD2 Solid State Drive]</li></ul></td>--> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 2:'''<br>Sep 9-15</td> <td style="border-bottom: thin solid black;">'''Post Installation Tasks:'''<ul><li>Post Install Commands</li><li>Bash Shell Scripting Essentials</li><li>Using a Bash Shell Script to Create a Post Installation Report</li></ul></td> <td style="border-bottom: thin solid black;">'''Lecture Notes:'''<br>Bash Shell Scripting (part 1): [https://prezi.com/bk1pw0n-qjwp/bash-shell-scripting-part-1/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w1_l3.pdf pdf ]</td> <td style="border-bottom: thin solid black;font-weight:bold;">&nbsp;</td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 3:'''<br>Sep 16-22</td> <td style="border-bottom: thin solid black;">'''Creating &amp; Using Virtual Machines'''<ul><li>Installing and Using Virtualization Software</li><li>Installing Guest VMs</li></ul></td> <td style="border-bottom: thin solid black;">'''Lecture Notes:'''<br>Installing Virtual Machines: [https://prezi.com/itfej7og5kxt/creating-virtual-machines-vms/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w2_l1.pdf pdf ]</td> <td style="border-bottom: thin solid black;font-weight:bold;">[[OPS235 Lab 2|Lab 2]]<!-- no longer used<br><ul><li>[https://wiki.cdot.senecacollege.ca/wiki/OPS235_Lab_2_-_CentOS7_-_HD2 Removable SATA Drive ]</li><li>[http://zenit.senecac.on.ca/wiki/index.php/OPS235_Lab_2_-_CentOS7_-_SSD2 Solid State Drive]</li></ul>--></td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 4:'''<br>Sep 23-29</td> <td style="border-bottom: thin solid black;">'''Creating &amp; Using Virtual Machines / Continued:'''<ul><li>Manipulating Virtual Machines</li><li>Backing-up Virtual Machines</li><li>Manipulating Virtual Machines with Shell Scripts</ul></td> <td style="border-bottom: thin solid black;">'''Lecture Notes:'''<br>Managing Virtual Machines: [https://prezi.com/fntt_lk0gg7v/managing-virtualvertical-machines/ web ] [httpalign://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w2_l2.pdf pdf ]<br>Bash Shell Scripting (part2): [https://prezi.com/jeanobdj-9bf/bash-shell-scripting-part-2/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w2_l3.pdf pdf ]</td> <td style="border-bottom: thin solid black;font-weight:bold;">&nbsp;</td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 5:'''<br>Sep 30-Oct 6</td> <td style="border-bottom: thin solid black;">'''Troubleshooting, Archiving, Package Management:'''<ul><li>Common Troubleshooting Examples</li><li>Archiving Files</li><li>Package Management</ul></td> <td style="border-bottom: thin solid black;">'''Lecture Notes:'''<br>Troubleshooting, Archiving,<br>Package Management: [https://prezi.com/wp_9j-z0jgrx/troubleshooting-archiving-package-management/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w3_l1.pdf pdf ]<br>Bash Shell Scripting (part 3): [https://prezi.com/jlu5pwmr_avn/bash-shell-scripting-part-3/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w3_l2.pdf pdf ]</td> <td style="border-bottom: thin solid black;font-weight:bold;">[[OPS235 Lab 3|Lab 3]]<!-- no longer used<br><ul><li>[https://wiki.cdot.senecacollege.ca/wiki/OPS235_Lab_3_-_CentOS7_-_HD2 Removable SATA Drive ]</li><li>[http://zenit.senecac.on.ca/wiki/index.php/OPS235_Lab_3_-_CentOS7_-_SSD2 Solid State Drive]</li></ul>--></td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 6:'''<br>Oct 7-13</td> <td style="border-bottom: thin solid black;">'''Managing Users, Groups &amp; Services:'''<ul><li>User Management</li><li>Group Management</li><li>Service Status</li><li>Starting / Stopping Services</li></ul></td> <td style="border-bottom: thin solid black;">'''Lecture Notes:'''<br>Managing Users, Groups &amp; Services:<br>[https://prezi.com/dx3qeitmuuif/managing-user-accounts-services/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w4a.pdf pdf ]<br>Bash Shell Scripting (part 4): [https://prezi.com/ardxoz36akmb/bash-shell-scripting-part-4/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w4b.pdf pdf ]</td> <td style="border-bottom: thin solid black;font-weight:bold;">[[OPS235 Lab 4|Lab4]]<!-- no longer used<br><ul><li>[https://wiki.cdot.senecacollege.ca/wiki/OPS235_Lab_4_-_CentOS7_-_HD2 Removable SATA Drive ]</li><li>[http://zenit.senecac.on.ca/wiki/index.php/OPS235_Lab_4_-_CentOS7_-_SSD2 Solid State Drive]</li></ul>--></td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 7:'''<br>Oct 14-20</td> <td style="border-bottom: thin solid black;">'''Evaluation:'''<ul><li>Assignment 1</li><li>Labs 1 - 4</li><li>Written Midterm Test</li><li>Practical Test #1</li></ul></td> <td style="border-bottom: thin solid black;">&nbsp;</td> <td style="border-bottom: thin solid black;font-weight:bold;">&nbsp;</td> </tr><tr valign="top"> <td width="20%" style="border-bottom: thin solid black;background-color:#f0f0f5;">'''Study Week:'''<br>Oct 21-27</td> <td colspan="3" style="border-bottom: thin solid black;background-color:#f0f0f5;">&nbsp;</td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 8:'''<br>Oct 28-Nov 3</td> <td style="border-bottom: thin solid black;">'''Monitoring Disk Space, Intro to LVM'''<ul><li>Monitoring Hard Disk Space</li><li>LVM - Definition</li><li>Using LVM</li><li>Creating Shell Scripts to Flag Low Disk Space</li></ul></td> <td style="border-bottom: thin solid black;">'''Lecture Notes:'''<br>Monitoring Disk Space, crontab, awk command: [https://prezi.com/__ayhf6te9zb/monitoring-hard-disk-space/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w8a.pdf pdf ]<br></td> <td style="border-bottom: thin solid black;font-weight:bold;">[[OPS235 Lab 5|Lab 5]]<!-- no longer used<br><ul><li>[https://wiki.cdot.senecacollege.ca/wiki/OPS235_Lab_5_-_CentOS7_-_HD2 Removable SATA Drive ]</li><li>[http://zenit.senecac.on.ca/wiki/index.php/OPS235_Lab_5_-_CentOS7_-_SSD2 Solid State Drive]</li></ul>--></td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 9:'''<br>Nov 4-10</td> <td style="border-bottom: thin solid black;">'''Using LVM'''<ul><li>Using LVM</li><li>Creating Shell Scripts to Flag Low Disk Space</li></ul></td> <td style="border-bottom: thin solid black;">'''Lecture Notes:'''<br>Introduction to LVM: [https://prezi.com/igc3z-ki_tdo/logical-volume-management-lvm/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w8b.pdf pdf ]<br>Demonstration of Growing '''/home'''<br> partition using LVM: [https://youtu.be/4fGQmw9RInYg Youtube Video]</td> <td style="border-bottom: thin solid black;font-weight:bold;">&nbsp;</td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 10:'''<br>Nov 11-17</td> <td style="border-bottom: thin solid black;">'''Configuring a Network Using Virtual Machines'''<ul><li>Static Network Configuration</li><li>Network Configuration with a DHCP client</li><li>Basic TCP/IP network commands: ping, ifconfig, netstat</li></ul></td> <td style="border-bottom: thin solid black;">'''Lecture Notes:'''<br>Creating a Virtual Private Network (VPN):<br>[https://prezi.com/kwgvo8g5eraj/creating-a-virtual-private-network-vpn/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w10a.pdf pdf ]<br>Bash Shell Scripting (part 6): [https://prezi.com/7j9ggxkg7jqc/copy-of-creating-a-virtual-private-network-vpn/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w10b.pdf pdf ]</td> <td style="border-bottom: thin solid black;font-weight:bold;">[[OPS235 Lab 6|Lab 6]]<!-- no longer used<br><ul><li>[https://wiki.cdot.senecacollege.ca/wiki/OPS235_Lab_6_-_CentOS7_-_HD2 Removable SATA Drive ]</li><li>[http://zenit.senecac.on.ca/wiki/index.php/OPS235_Lab_6_-_CentOS7_-_SSD2 Solid State Drive]</li></ul>--></td> </tr><tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 11:'''<br>Nov 18-24</td> <td style="border-bottom: thin solid black;">|'''Setup and Configure Secure Shell Services'''<ul><li>*Network Services</li><li>*SSH</li></ul></td> <td style="border-bottom: thin solid black;">|'''Lecture Notes:'''<br>*Securing Network via SSH: [https://prezi.com/dj6_vmmuds0t/securing-a-network-via-ssh/ web ] [httphttps://matrixict.senecac.onsenecacollege.ca/~murray.saul/ops235/newerslides/ops235_w11a.pdf pdf ]<br>*Configuring Firewalls (iptables): [https://prezi.com/9zurywz2gkyx/configuring-a-firewall-iptables/ web ] [httphttps://matrixict.senecac.onsenecacollege.ca/~murray.saul/ops235/newerslides/ops235_week11b.pdf pdf ]</td> <td style="border-bottom: thin solid black;font-weight:bold;">|[[OPS235 Lab 7|Lab 7]]<!-- no longer used<br><ul><li>[https://wiki.cdot.senecacollege.ca/wiki/OPS235_Lab_7_-_CentOS7_-_HD2 Removable SATA Drive Setup and Configure SSH]</li><li>[http://zenit.senecac.on.ca/wiki/index.php/OPS235_Lab_7_-_CentOS7_-_SSD2 Solid State Drive]</li></ul>--></td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 12:'''<br>Nov 25-Dec 1</td> <td style="border-bottom: thin solid black;">'''Setting Up, Using &amp; Maintaining a DHCP Server'''<ul><li>DHCP Server</li></ul></td> <td style="border-bottom: thin solid black;">'''Lecture Notes:'''<br>Setting up a DHCP Server: [https://prezi.com/zkpwa8y_6ovt/setting-up-dhcp/ web ] [http://matrix.senecac.on.ca/~murray.saul/ops235/newer/ops235_w12.pdf pdf ]</td> <td style="border-bottom: thin solid black;font-weight:bold;">[[OPS235 Lab 8|Lab 8]]<!-- no longer used<br><ul><li>[https://wiki.cdot.senecacollege.ca/wiki/OPS235_Lab_8_-_CentOS7_-_HD2 Removable SATA Drive ]</li><li>[http://zenit.senecac.on.ca/wiki/index.php/OPS235_Lab_8_-_CentOS7_-_SSD2 Solid State Drive]</li></ul>--></td> </tr> <tr valign="top"> <td width="20%" style="border-bottom: thin solid black;">'''Week 13:'''<br>Dec 2-8</td> <td style="border-bottom: thin solid black;">'''Evaluation:'''<ul><li>Assignment 2</li><li>Labs 5 - 8</li><li>Practical Test #2</li></ul></td> <td style="border-bottom: thin solid black;">&nbsp;</td> <td style="border-bottom: thin solid black;font-weight:bold;">&nbsp;</td> </tr>
<tr valign="top">
<td width="20%" style="border-bottom: thin solid black;background-color:#f0f0f5;">'''Exam Week:'''<br>Dec 9-13</td>
<td colspan="3" style="border-bottom: thin solid black;background-color:#f0f0f5;">&nbsp;</td>
</tr>
|- style="vertical-align:top;"|'''Week 12:'''<br>Nov 25-Dec 1|'''Setting Up, Using & Maintaining a DHCP Server'''*DHCP Server|'''Lecture Notes:'''*Setting up a DHCP Server: [https://prezi.com/zkpwa8y_6ovt/table>setting-up-dhcp/ web] [https://ict.senecacollege.ca/~ops235/slides/ops235_w12.pdf pdf]|[[OPS235 Lab 8|Lab 8: Setup and Configure a DHCP Server]]
|- style="vertical-align:top;"
|'''Week 13:'''<br>Dec 2-8
|'''Evaluation:'''
*Assignment 2
*Labs 5 - 8
*Practical Test #2
|
|
 
 
|- style="vertical-align:top;"
!colspan="4" style="text-align:left;"| '''Exam Week:'''<br>Dec 9-13
|}
[[Category:OPS235]]
[[Category:CentOS 7]]
[[Category:SSD2]]