I came across this neat little tidbit on page 27 while reading through the pdf article UNDERSTANDING THE SECURITY CAPABILITIES OF SOLARIS™ ZONES SOFTWARE As a test, I’m going to set this resource control on a zone and execute a fork bomb to see what appears in system logs. This is pretty cool stuff! Miscellaneous Controls [...]
Solaris zones have been around for quite some time now, and provide low overhead execution environments for running application. Admins who need to understand how zones are utilizing CPU and memory resources typically turn to prstat, which provides the “-Z” option to view utilization by zone: PID USERNAME SIZE RSS STATE PRI NICE TIME CPU [...]
While attempting to install a Sun package this week, I encountered the following error: $ pkgadd -d . MYpackage ## Waiting for up to <300> seconds for package administration commands to become available (another user is administering packages on zone <zoneA>) ^C 1 package was not processed! After a bit of truss’ing, I noticed that the [...]
If you’ve used the zone migration features (e.g., attach and detach) in Solaris, you may have bumped into issues when you tried to migrate a zone from one machine to another, and the servers didn’t have the same set of patches or packages installed. With Jerry’s putback of PSARC 2007/621 into opensolaris, this should be [...]
I was pleasantly surprised to find out this week that the brandz framework is being extended to support Linux 2.6 kernels, as well as binaries that were built to run on Solaris 8 hosts! This has lots and lots of potential, and would be a blessing for one of my previous employers (they have a [...]
I applied the latest set of patches to my x86 Solaris 10 server this morning, and after the server was rebooted I noticed that my zones didn’t start. When I ran the zoneadm utility with the “list” option, all of the zones were in the “installed” state (they should be in the running state since [...]
