Describes how to flush email queue from a shell prompt under UNIX / Linux operating system.
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regular expression
So how do you restrict or deny access by IP address using Lighttpd web server? Lighttpd has mod_access module. The access module is used to deny access to files with given trailing path names. You need to combine this with remoteip conditional configuration. Syntax is as follows: $HTTP["remoteip"] == “IP” : Match on the remote [...]
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How do I rename multiple files at a shell prompt under Linux or UNIX operating systems?
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The replace command is a string-replacement utility. It changes strings in place in files or on the standard input. This command uses a finite state machine to match longer strings first. It can be used to swap strings. This command is similar to the Perl -pie syntax or sed (stream editor) command.
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