UNIX Terminal Session Management

Have you ever encountered the dreaded “Connection closed by foreign host” message when you were logged into a remote server via SSH and you were in the middle of some important task? You have most probably just lost your session and you will have to start your task all over again. Well, you can prevent this from happening by using the screen command available in most UNIX and Linux distributions.

How to Disable a CPU Core

Multi-core CPUs pack multiple processors into a single chip thus allowing multiple threads to run at once. Most of the time, this is a good thing. But at times, for example, when you need to run some legacy applications that are not compatible with multi-core processing, you may be required to disable the cores.

Workaround for Juniper VPN Split Tunneling Restriction

network

Split Tunneling is a networking concept which allows the user to access the corporate private network via the VPN link, and connect to the local LAN via the same or different interface. This service is usually facilitated through a program such as VPN client software application. One such application is the Juniper Network Connect.

How to Activate Vista Administrator Account

In Windows Vista, the built-in administrator account is disabled by default. This is based on a security model adopted by Microsoft. Power Users group have also been effectively deprecated. Microsoft has made it much easier to perform normal routines as a standard user and even administrators run with limited Windows privileges and user rights by default.

Upgrade Vista Edition to Ultimate for Free

If you have a branded PC/Laptop (eg. ASUS, HP, Dell, Sony, Gateway, Acer, Lenovo, etc) with Vista factory installed, there is a way to upgrade your edition of Vista to Ultimate for free. This trick does not work with self assembled PCs.

Mount ISO Image Under Linux

An ISO image is a disk image file of an optical disc. The format of the disc is defined by the International Organization for Standardization (ISO). ISO 9660 is the most commonly used optical disc file system. An ISO image can also contain UDF file system which is backwards compatible with ISO 9660.

Switch Between 32-bit and 64-bit Kernel in Solaris

Solaris, by default, loads a 64-bit kernel during boot up, if the hardware supports it.

If, for whatever reason, you need to load Solaris in 32-bit mode, the following commands can be used to switch between the 32-bit and 64-bit kernels.

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