1. Solaris physical memory usage
Script to get free/unused memory on Solaris can be found with command vmstat. Without options, vmstat displays a one-line summary of the virtual memory activity since the system was booted. Tested on Solaris 5.8, 5.9, 5.10. Can be wrong on Zones.
OpenSSH 4.9p1 and higher support user chrooting SSH and SFTP.
Latest stable: http://openbsd.org.ar/pub/OpenBSD/OpenSSH/portable/openssh-5.8p2.tar.gz
Purpose: shell script sends data to server in secure way without password, and one crooted user on server "phn".
Reset root password on Linux (RHEL/CentOS).
Grub or Lilo should be without password or you should know that password.
In GRUB menu press "a" to go in edit mode and write after "... rhgb quit" single or s: