Perl's original designer was Larry Wall (Larry Wall), which was published on December 18, 1987. Perl borrows the features of C, sed, awk, shell scripting, and many other programming languages. Larry Wall Published version 1.0 of the Perl scripting
BKJIA quick translation: When we use the Red Hat Kickstart script or useradd or other methods to write things, we often need to use the password format encrypted by the crypt command. Is there any other way to generate a password in this format? In
We can use the MKPASSWD command: This command is used to generate the password in the crypt format:
mkpasswd
When you enter a command, the program asks for a password and then generates a crypt format string.
If you use the Apache Web server, you
This command is used to generate the password in the crypt format:mkpasswdAfter you enter a command, the program asks for a password and then generates a string in crypt format.If you are using an Apache Web server, you can also use
Process processing functions
1. Process Start functionFunction name EvalCall Syntax eval (string)The commentary considers a string as a Perl statement execution.When executed correctly, the system variable $@ is an empty string, and if there is an
Install the perl module in CentOS 5 to support IPV6
LWP: UserAgent is used in our product for http requests in perl code. The test shows that the following error is returned in a pure V6 environment:
Can't connect to [2001: db8: 0: 1: 10: 208: 135: 2
Perl Common function set 2
I. Process processing functions1. Process startup FunctionFunction Name evalCall the syntax eval_r (string)The description regards string as a Perl statement execution.After the command is correctly executed, the
Use cpan to install Net: SSH: Perl:Cpan> install Net: SSH: Perl
Some problems encountered during this period are recorded here for future reference.
Because cpan is dependent on other software, the software version must not be too low, so upgrade
I. Process processing functions
1. Process startup Function
Function Name eval
Call the syntax eval (string)
Describe the stringPerlStatement execution.
After the command is correctly executed, the system variable $ @ is an empty string. If an error
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