When SOL and linux won’t boot (i.e. like /etc/fstab is misconfigured, which prevents you from booting and correctly configuring /etc/fstab…chicken and the egg type of situation…), you could in theory boot with a live cd or something along those lines. Otherwise, you can, from grub (i.e. grub menu -> find the entry you’re booting with, […]
Shrinking Root with Software Array, then Replacing Root with another Root Image 0. Start console. This is a hardware thing, whereby you can monitor the system console even during a reboot. For example: ssh console@slcradar03-sp.con.slc.ebay.com start /SP/console escape + ( gets out of the console. then, you can do a “reset/SYS” to reboot Take […]
I have the code, which involves a fair number of files, so it makes no sense to post them all here. In general, the concept is: 1. authentiacate the user with facebok connect (i.e. button -> launch page [probably with javascript] for user to accept allowing your app) 2. upon successful login to facebook, create […]
By default, the system clock in Debian is set to UTC (Universal Time), and then adjusted to your local time, based on your time zone and daylight savings time. This can be a problem if you are running a Debian VirtualBox guest machine, because VirtualBox sets the virtual machine’s system clock to local time when […]
FIRST OF ALL, it would be uber helpful if you first stop the naming service. Otherwise, it will screw you up and confuse you. Thus: service nscd stop /etc/ldap.conf is used for authentication /etc/ldap/ldap.conf is used by other programs to contact the ldap server (pam) To connect to Active directory, you need to map […]
RAID stands for Redundant Array of Inexpensive (Independent) Disks. On most situations you will be using one of the following four levels of RAIDs. RAID 0 RAID 1 RAID 5 RAID 10 (also known as RAID 1+0) This article explains the main difference between these raid levels along with an easy to understand diagram. In […]