UNIX has wonderfully powerful text processing capabilities. There are numerous ways to solve the same problem. Frequently, for example, it is necessary to extract a single column of data from a text file or output stream. This tech-recipe will present several solutions to this problem.
By default, the files replaced by the application of a patch in Solaris are preserved to enable removal of the patch and restoration of the system to its pre-patched state.
The office shortcut bar is one of the most useless pieces of code ever created. This tech-recipe explains how to uninstall it.
The version of tar in most Linux distributions supports gzip compression. This means that a gzipped tar file can be extracted in one simple command.
Solaris allows multiple virtual or logical interfaces to exist with different IP addresses on the same physical interface. Virtual interfaces are created or plumbed up using the plumb directive in ifconfig. They are unplumbed using the unplumb directive.
Solaris 8 and 9 have a powerful, integrated mechanism originally available only in trusted environments. Role based access control (RBAC) implements an authorization system based on least privilege. In this model, multiple administrative roles can be created and associated with users such that an individual has only the access necessary to perform their delegated tasks such as restarting privileged services, rebooting the system, or managing the print queue. RBAC allows finer grain control of implementing security policies. This recipe is the first of a series about RBAC and provides an introduction to its components.
AIM is an easy and free way to send SMS text messages.
This tech-recipe describes how to easily redirect a web visitor using meta refresh.
Errors in a filesystem can prevent a system from booting properly and are commonly caused by improper system shutdown. The fsck (filesystem check) utility can identify and repair errors.
When filesystem errors prevent a reboot, you are instructed to run fsck on the affected filesystem. If there are lots of errors, you may be stuck typing y for hours. An option to fsck can automatically answer yes for you.
Solaris can request IP address and other networking information dynamically with DHCP.
When troubleshooting networking issues, it is often helpful to determine the state of an ethernet interface. Solaris offers access to many configurable networking parameters through ndd.
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