182 lines
2.8 KiB
HTML
182 lines
2.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>Some basic Security Tools</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="GNU/Linux Command-Line Tools Summary"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Security"
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HREF="security.html"><LINK
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REL="PREVIOUS"
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TITLE="Security"
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HREF="security.html"><LINK
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REL="NEXT"
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TITLE="File Permissions"
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HREF="file-permissions.html"></HEAD
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><BODY
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CLASS="SECT1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>GNU/Linux Command-Line Tools Summary</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="security.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 14. Security</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="file-permissions.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="SOME-BASIC-SECURITY-TOOLS"
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></A
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>14.1. Some basic Security Tools</H1
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><P
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></P
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><P
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></P
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><DIV
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CLASS="VARIABLELIST"
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><DL
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><DT
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>md5sum</DT
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><DD
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><P
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>Compute an md5 checksum (128-bit) for file “file_name” to verify it's integrity. You normally use the “ md5sum -c” option to check against a given file (often with a “.asc” extention) to check whether the various files are correct, this comes in handy when downloading isos as the checking is automated for you.</P
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><P
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>Command syntax:</P
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><TABLE
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BORDER="1"
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BGCOLOR="#E0E0E0"
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WIDTH="90%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="SCREEN"
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>md5sum file_name</PRE
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></FONT
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></TD
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></TR
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></TABLE
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></DD
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><DT
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>mkpasswd -l 10</DT
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><DD
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><P
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>This command will make a random password of length ten characters. This password generator creates passwords that are designed to be hard to guess. There are similar alternatives to this program scattered around the internet.</P
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></DD
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></DL
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="security.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="file-permissions.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>Security</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="security.html"
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ACCESSKEY="U"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>File Permissions</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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> |