SUSE Linux upgrades Perl and OpenSSL

First, Perl installation:

1. Download and unzip the software: Tar zxvf perl-5.24.0.tar.gz

2, run./configure.gnu-help view Help, run./configure.gnu-des-dprefix=/usr/local/perl-dusethreads-uversiononly Set source code

3. Compiling and installing Make&make install

4. Back up the old Perl and replace the new Perl

Mv/usr/bin/perl/usr/bin/perl.bak

Ln-s/usr/local/perl/bin/perl/usr/bin/perl

5. View Perl version and location

which is Perl;whereis perl;perl-v

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Ii. installation of OpenSSL:

1. Download and unzip the software: Tar zxvf openssl-1.1.0b.tar.gz

2. Compile and install

#./config

# make&make Install----make, use make test to check that the compilation is correct

3. Back up the old OpenSSL and replace the new OpenSSL

# Mv/usr/bin/openssl/usr/bin/openssl_bak

# ln-s/usr/local/ssl/bin/openssl/usr/bin/openssl

4. View OpenSSL version and location

Which is Openssl;whereis Openssl;openssl version

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Tips 1:

Perl: In general, "Perl" refers to the language itself, while "Perl" refers to the interpreter that the program runs

Openssl:openssl is an open source project for Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is also a common password vault.

OpenSSL is an open source project, provides a toolkit for the Transport layer Security (TLS) and Secure Sockets layer (SSL) protocols. It is also a general-purpose cryptography library.

Tips 2:

Environment variables: Priority to search the previous directory, using the previous directory of the software.

Soft Links: Ln-s

SUSE Linux upgrades Perl and OpenSSL