Chapter 27. A small collection of scripts
This chapter contains some of my most used scripts. Looking through them you will see that nearly all are fairly short and simple. That’s one of the beauties of scripts; they do not have to be long or complex, just so long as it can save you time.
In this chapter we will cover:
various script examples.
One script under consideration for this chapter was comet which is a general data validation databases script. However, as it’s over 500 lines long, I did not think the editor would approve of its inclusion in this book. The comet script started a couple of years ago as a five-liner script, but due to added features, it really has grown. Anyway, the six scripts I present to you are as follows:
| pingall | A script that uses the /etc/hosts entries to ping all hosts |
| backup_gen | A general purpose backup script that loads default settings |
| del.lines | A sed wrapper that deletes lines from files |
| access_deny | A utility to deny access to certain users logging in |
| logroll | A utility to roll over logs if they reach a certain size |
| nfsdown | A quick way to unmount all nfs directories |
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