Changes

# Disabling SELinux is quite simple, just edit .# Edit the file '''/etc/selinux/config''' and # In the editing session, set SELINUX to '''disable<u>d</u>''' and save your editing session.#The CentOS software is updated frequently to add features, fix bugs, and upgrade security. Perform a system update to get the latest versions of the packages installed: Start the Firefox web browser, turn off popup window blocking (select from '''Edit''', '''Preferences''', then select the '''Content''' tab and uncheck the box to '''Block Popups'targeted''), then return to your web-browser, load a page, and when prompted, login to SeneNET. #Make certain that you have at least 30 minutes available in save your lab-time prior to performing a system update. Never abort a system update since it may damage your system files and render your host mahcine inoperable!#Open a terminal and type <b><code><span style="color:#3366CC;font-size:1.2em;">su</span></code></b> to start a shell as root. Enter the command <b><code><span style=" pointer-events:none;cursor:default;color:#3366CC;font-size:1.2em;">yum update</span></code></b> This will download and install all of the packages that have been updated since the installation DVD image was created. If you complete this command at Seneca it should run quite fast as Seneca College hosts a CentOS Repository mirror (a copy of all of the current CentOS packages, on a local web server)editing session.