Administration of Mac OS

1. Sayed Ahmed BSc. Eng. in Computer Science and Eng., BUET, Bangladesh MSc. in Computer Science, U of Manitoba, Canada http://www.Justetc.net http://sayed.justetc.net sayed@justetc.net Administration of Mac OS

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3. Learning MAC OS by Comparing with Windows • Basic understanding of Mac • Basic operations in Mac • Getting around • Launch applications • Disk management and maintenance • defragmentation • User accounts and security • Local user accounts and security Mac OS 10 for Windows Users

4. File and application management • Install and uninstall applications • Printing and peripherals • Core Networking • Setup core networking features • Troubleshooting – built-in Mac OS 10 for Windows Users

5. Network Services and Sharing • Providing to the network • Sharing with the network • Consume network services • System preferences • Configure the system • Backup and recovery • Built in backup and recovery • Terminal Windows • Full Unix Shell Mac OS 10 for Windows Users

6. Built in Apps • Using Windows based Resources • Ongoing maintenance • Remote control • Using remote desktop • Advanced integration with Windows • Mac into active directory • Built in and commercial tools Mac OS 10 for Windows Users

7. Missing links • Getting key windows features • Bootcamp • Windows on a Mac Mac OS 10 for Windows Users

8. Disk drives on your MAC • View disk contents • Format disks • Defragment disks • Mac automatically does this but not 100% perfect • Disk images & ISOs • Work with image files • Raid (work with and create) • Check disks [similar to windows check disk/scan disk] Disk Management and Maintenance

9. Managing and working with image files • Such as ISO image files Disk Content Viewing

10. Most disk related operations can be performed using the built in Disk Utility tool • Disk utility: how to open • Finder->applications->utilities->disk utility • Alternative: • When Finder window is active -> then click Go menu -> Utilities-> disk utility • Shortcut: Shift + command + U • Or ctrl + space, then type disk utility • Disk Utility • Can show all hard drives and volumes • Volumes inside hard drives • Can erase, partition, restore, raid functionality (multiple drives) • Run Check disk [mark bad blocks/sectors in the drive] • Restore image to this drive and volume • Options: First Aid, Erase, Partition, RAID, Restore • First aid: check disk equivalent Disk Utility

11. Mac Automatically defrags • Not always, not by 100% • No built-in apple tool to defrag [that you can execute] • iDefrag – commercial defragment tool • When you have multiple drives, you can create RAID • Can be useful for servers • Mirrored, striped, concatenate • Set block size, repair RAID Disk Utility: Disk Defragment

12. Disk utility [open] • Create new disk image • File->new->disk image • Set the parameters for the disk image such as • Volume name, format, encryption, partitions, image format • Double click will mount it • Will be listed in list devices • Need to eject • You can right clean and clean up the image • After copy from/to, you need to eject • Right click and eject [un-mount as a drive but still as a drive, double click will mount] Disk Images

13. Kind of zip file • Distributed applications as image [.dmg] • Right click and compress [installer] • 10 MB, will take 10mb, zip will reduce the size • Remount • Double click • Then Transfer file, move around in the internet • Treat it as disk • You can Erase image using the disk utility • Good way to archive files • We can move to trash and clean Disk Image, Packaging Software, and Files

14. Mac has built in ability to burn images into cds/DVDs • Disk utility->file->new->blank disk image • 660 MB cd, partition cd/dvd, dmg files take all the space as mentioned • Format and mount • Images menu • Right click on dmg file • Checksum match can help • Image • [from disk utility] Convert to cd/dvd, extension .cdr [CD/DVD master] Disk Image and Burn into CD/DVD

15. Not iso but cdr • Can verify • You can convert to .iso • Un-mount the .iso • .iso double click will still mount it • Copy your files into the image • Right click-> burn Burn to CDs

16. User Accounts Anti-malware Filevault Firewall Misc Security Safari Security User Accounts and Security

17. System Preferences -> Users Accounts • Mac is not much safer than windows [fundamentally] • Though will get affected less as there are less viruses and hackers targeting Mac platform • Will get more and more virus and malware over time • Virus creators want to get more exposure; so windows has more of them • If you do not have protection, you will get some in your mac • All big Anti-virus companies have Mac versions User Accounts

18. When you signup for Apple Extra Services • Will provide you an antivirus software as well • dotMac Service: Antivirus Program • System Preferences • System -> Accounts [know about mobile me service by Apple] • Configure Login Accounts • Login items • Set applications to run automatically • Mobile me service affects some features • Click the lock to make changes in the accounts • Enable and use this • Then you can add new account • Set account type • Administrator, Group, sharing • Tabs in the window: Password and Login Items • Add to login items • Click the + button Apple Extra Services and User Accounts – Configure and Create

19. You can also set auto logins with an account • Login time: only pass or user/pass combinations • What to show on the login window can be configured somewhere from here • Voice over feature at login • Enable fast user switching: switch user but keeps stuff running • One user can access the programs as run by other users User Accounts – Configure and Create

20. System preferences- > Personal -> security • Tabs in the window: General, FileVault, Firewall • General • Disable auto login • Password requirement • Log out after X minutes • Use secure virtual memory • Disable remote control infrared receiver • Pair to remote • Disable infrared remote control • Set account type • Administrator, Group, sharing System preferences->Personal

21. FileVault • Encrypt files in your home folder • Set master password • Turn on FileVault • Filevault is for local, not for remote • Encrypt using login password • For extra security: • Master password • Turn filevault on • Per account basis • Will take a while • Most Mac has infrared receiver • Options for the infrared [remote]configuration FileVault

22. Default firewall • Default allow incoming for basic services • Allow all incoming connections • Allow only essential services • Set access for specific services and applications • Logging option to figure out what are failing • Stealth mode • Deny connection but do not tell anyone • More secure but not much logging Firwall Tab

23. Safari menu ->Block pop-up windows • Emptying the cache, good security work • Private browsing • No history • No id/password saving option • Safari -> preferences • Auto fill can be a security option • Give access to address book card • User names and passwords • Other forms • What to auto fill • Disabling can be more secure Safari Security

24. Develop Menu • Security sensitive activity • Change the user agent • Make the browser behave something differently Safari Security: Advanced

25. Warn when visiting fraudulent site • Enable plug ins • Enable java • Block pop-up windows • Cookies • Local Database • Configure space • Show databases • Persist database test, persist storage • Per database default Security Tab for Safari

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