In order to keep closer contact with IT network administrators in Macau, we've created a network admin newsletter and I've taken the liberty to add you to our netadmin-news mailing list. If you'd like to unsubscribe or recommend friends to subscribe at any time, just email me.
--- Simon Tam, Chief EditorAs network administrators we all have many passwords to remember: for Active Directory, for routers, for Microsoft Passports and etc. Using the same password is no good for security. But if we use many different passwords, how can we remember all of them? To solve this problem, we at Cyber-Lab keep our passwords in a text file which is then encrypted by a master password. How to encrypt it? Easy. Use the FREE GnuPG. To decrypt the file passwd.txt:
gpg -c passwd
The encrypted version will be saved as passwd.gpg. To decrypt it:
gpg -d passwd.gpg
It
supports Linux and Windows. To get it, click here.
Our web server is at a remote location connected to Cyber-Lab through an ADSL connection. To make it easier to edit the web pages, we store them locally at Cyber-Lab. But how can we copy them to the web server? We use rsync. It will only copy the changes in the files. For example, if you edit a single sentence in a web page, it will only copy that changed portion to the remote side. To use it, do something like:
rsync -rltvz -e ssh --delete c:/website kent@202.175.3.3:/var/www
This will copy all the files in c:\website into the /var/www folder on the server (202.175.3.3). The server doesn't need any special setup except that it allows you to use ssh to login as kent.
rsync works on Linux and Windows. To get it, click here.
Please choose the credential
that you value the most:
This book (Chinese edition) is
a must-read for those in the field of computer security. It shows you
how hackers
perform their acts and how you can defend yourself. You can
borrow this book from the CPTTM
IT Book Shelf at Cyber-Lab.
Archive of the CPTTM Network
Admin Newsletter is available at http://www2.cpttm.org.mo/cyberlab/netadmin-news.