Sunday, March 18, 2012

Migrating /usr to a new disk in NetBSD

Today I added another 18GB hard disk to my NetBSD machine. The goal is to migrate /usr on it. After I have connected the disk and booted the machine I ran fdisk to create a partition on the disk. I want to use the complete disk for /usr so I only created one partition. The -u option for the fdisk command runs fdisk in interactive mode which make things very easy: 

Sunday, March 4, 2012

Obtaining CPU information in NetBSD

If you need to know what CPU your are currently using then run cat on /proc/cpuinfo (just like in Linux):

Available, used and free memory in NetBSD

To see how much memory is consumed in NetBSD use cat on /proc/meminfo:

Obtain PCI hardware information in NetBSD

To get information about your installed PCI hardware on a freshly installed NetBSD machine run dmesg and grep for "at pci": 

Setting up a simple firewall with pf and NetBSD

Today I deceided to setup a simple firewall for my NetBSD machine. The following output shows my network interfaces:

# ifconfig -a
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33192

Saturday, March 3, 2012

Password status

Today I needed to check a old web server running a few simple web sites. The owner of the server asked me to check all non system users and their access rights. The first thing I did was checking for all available users: 

Thursday, March 1, 2012

Display HBA and WWN in HP-UX

First display the available HBA's installed in your system:

# ioscan -kfnC fc
Class I  H/W Path     Driver S/W State   H/W Type     Description
fc    0  0/3/0/0/0/0  fclp   CLAIMED     INTERFACE    HP AD355-60001
fc    1  0/3/0/0/0/1  fclp   CLAIMED     INTERFACE    HP AD355-60001
fc    2  0/7/0/0/0/0  fclp   CLAIMED     INTERFACE    HP AD355-60001
fc    3  0/7/0/0/0/1  fclp   CLAIMED     INTERFACE    HP AD355-60001