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/var/adm/wtmp Truncation - Revision history
2026-07-02T08:08:36Z
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http://www.outlandsmud.com/wiki/index.php?title=/var/adm/wtmp_Truncation&diff=1182&oldid=prev
Michael Kohler: /* Truncating /var/adm/wtmp */
2017-12-13T21:07:28Z
<p><span dir="auto"><span class="autocomment">Truncating /var/adm/wtmp</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:07, 13 December 2017</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Truncating /var/adm/wtmp ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Truncating /var/adm/wtmp ==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Convert <tt>'''/var/adm/wtmp'''</tt> file to ASCII.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Convert <tt>'''/var/adm/wtmp'''</tt> file to ASCII.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>#<del style="font-weight: bold; text-decoration: none;"># </del><tt>'''# /usr/sbin/acct/fwtmp < /var/adm/wtmp > /tmp/wtmp.out'''</tt></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>#<ins style="font-weight: bold; text-decoration: none;">: </ins><tt>'''# /usr/sbin/acct/fwtmp < /var/adm/wtmp > /tmp/wtmp.out'''</tt></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Output the last 50 entries to a new file.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Output the last 50 entries to a new file.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>#<del style="font-weight: bold; text-decoration: none;"># </del><tt>'''# tail -50 /tmp/wtmp.out > /tmp/wtmp.in'''</tt></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>#<ins style="font-weight: bold; text-decoration: none;">: </ins><tt>'''# tail -50 /tmp/wtmp.out > /tmp/wtmp.in'''</tt></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Convert the <tt>'''/tmp/wtmp.in'''</tt> file to wtmp format, and read it back in.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Convert the <tt>'''/tmp/wtmp.in'''</tt> file to wtmp format, and read it back in.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>#<del style="font-weight: bold; text-decoration: none;"># </del><tt>'''# /usr/sbin/acct/fwtmp -ic < /tmp/wtmp.in > /var/adm/wtmp'''</tt></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>#<ins style="font-weight: bold; text-decoration: none;">: </ins><tt>'''# /usr/sbin/acct/fwtmp -ic < /tmp/wtmp.in > /var/adm/wtmp'''</tt></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Remove the <tt>'''/tmp/wtmp.out'''</tt> and <tt>'''/tmp/wtmp.in'''</tt> files.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Remove the <tt>'''/tmp/wtmp.out'''</tt> and <tt>'''/tmp/wtmp.in'''</tt> files.</div></td></tr>
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Michael Kohler
http://www.outlandsmud.com/wiki/index.php?title=/var/adm/wtmp_Truncation&diff=449&oldid=prev
Michael Kohler at 13:35, 30 July 2014
2014-07-30T13:35:13Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:35, 30 July 2014</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Truncating /var/adm/wtmp ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Truncating /var/adm/wtmp ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># Convert /var/adm/wtmp file to ASCII.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Convert <ins style="font-weight: bold; text-decoration: none;"><tt>'''</ins>/var/adm/wtmp<ins style="font-weight: bold; text-decoration: none;">'''</tt> </ins>file to ASCII.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>## <tt>'''# /usr/sbin/acct/fwtmp < /var/adm/wtmp > /tmp/wtmp.out'''</tt></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>## <tt>'''# /usr/sbin/acct/fwtmp < /var/adm/wtmp > /tmp/wtmp.out'''</tt></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Output the last 50 entries to a new file.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Output the last 50 entries to a new file.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>## <tt>'''# tail -50 /tmp/wtmp.out > /tmp/wtmp.in'''</tt></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>## <tt>'''# tail -50 /tmp/wtmp.out > /tmp/wtmp.in'''</tt></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># Convert the /tmp/wtmp.in file to wtmp format, and read it back in.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Convert the <ins style="font-weight: bold; text-decoration: none;"><tt>'''</ins>/tmp/wtmp.in<ins style="font-weight: bold; text-decoration: none;">'''</tt> </ins>file to wtmp format, and read it back in.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>## <tt>'''# /usr/sbin/acct/fwtmp -ic < /tmp/wtmp.in > /var/adm/wtmp'''</tt></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>## <tt>'''# /usr/sbin/acct/fwtmp -ic < /tmp/wtmp.in > /var/adm/wtmp'''</tt></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># Remove the /tmp/wtmp.out and /tmp/wtmp.in files.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Remove the <ins style="font-weight: bold; text-decoration: none;"><tt>'''</ins>/tmp/wtmp.out<ins style="font-weight: bold; text-decoration: none;">'''</tt> </ins>and <ins style="font-weight: bold; text-decoration: none;"><tt>'''</ins>/tmp/wtmp.in<ins style="font-weight: bold; text-decoration: none;">'''</tt> </ins>files.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Further Reading ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Further Reading ==</div></td></tr>
</table>
Michael Kohler
http://www.outlandsmud.com/wiki/index.php?title=/var/adm/wtmp_Truncation&diff=448&oldid=prev
Michael Kohler: Created page with "== Truncating /var/adm/wtmp == # Convert /var/adm/wtmp file to ASCII. ## <tt>'''# /usr/sbin/acct/fwtmp < /var/adm/wtmp > /tmp/wtmp.out'''</tt> # Output the last 50 entries to ..."
2014-07-30T12:58:23Z
<p>Created page with "== Truncating /var/adm/wtmp == # Convert /var/adm/wtmp file to ASCII. ## <tt>'''# /usr/sbin/acct/fwtmp < /var/adm/wtmp > /tmp/wtmp.out'''</tt> # Output the last 50 entries to ..."</p>
<p><b>New page</b></p><div>== Truncating /var/adm/wtmp ==<br />
# Convert /var/adm/wtmp file to ASCII.<br />
## <tt>'''# /usr/sbin/acct/fwtmp < /var/adm/wtmp > /tmp/wtmp.out'''</tt><br />
# Output the last 50 entries to a new file.<br />
## <tt>'''# tail -50 /tmp/wtmp.out > /tmp/wtmp.in'''</tt><br />
# Convert the /tmp/wtmp.in file to wtmp format, and read it back in.<br />
## <tt>'''# /usr/sbin/acct/fwtmp -ic < /tmp/wtmp.in > /var/adm/wtmp'''</tt><br />
# Remove the /tmp/wtmp.out and /tmp/wtmp.in files.<br />
<br />
== Further Reading ==<br />
# [http://www.computers-it.com/aix/aix_truncate_wtmp.php Computers-it. AIX - How to truncate /var/adm/wtmp]<br />
<br />
[[Category:AIX]]</div>
Michael Kohler