Tag Archives: slc

password when starting a linux server in single-user mode

http://www.cromwell-intl.com/unix/linux-break-in-howto.html

On RHEL 6.2-based systems (like Scientific Linux 6.2):
edit /etc/sysconfig/init

# Set to ‘/sbin/sulogin’ to prompt for password on single-user mode
# Set to ‘/sbin/sushell’ otherwise

Like this:

SINGLE=/sbin/sulogin

Then if you add an ‘s’ to the grub entry when the server boots it will ask you for a password , or hit ctrl-d. Ctrl-d makes the server enter normal boot (telinit *).

Should all linux machines be installed this way? To me this sounds like a definite deal, especially if you have the console physically or remotely accessible.

CentOS 5.8 Released

CentOS 5.8 was released today 8th of March.

http://wiki.centos.org/Manuals/ReleaseNotes/CentOS5.8

You can download it from many mirrors, for example from FUNET: http://ftp.funet.fi/pub/Linux/INSTALL/Centos/

It installs just fine on an HP DL360 G7 with P410 and P411 controller.

CentOS has as far as I understand been slower at releasing updates than Scientific Linux (for example 6.2 was out 5 days earlier on SLC than on CentOS), this was not the case today though, SLC 5.8 is not available yet. Why?

Compare release dates here:

http://en.wikipedia.org/wiki/CentOS#Release_history

http://en.wikipedia.org/wiki/Scientific_linux#Release_history