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1.3 dsieger 97: <h1>Updating a stable NetBSD release</h1>
1.1 dsieger 98: <h3 class="title"><a name="top"></a></h3>
99: <ul>
100: <li><a href="#current">Tracking -current</a></li>
101: <li><a href="#update-src">Updating the sources</a></li>
1.10 weinem 102: <li><a href="#tools">Building the tools</a></li>
1.1 dsieger 103: <li><a href="#kernel">Building a new kernel</a></li>
1.9 weinem 104: <li><a href="#userland">Building a new userland</a></li>
105: <li><a href="#installing">Installing the kernel and userland</a></li>
1.1 dsieger 106: <li><a href="#parts">Updating only parts of the source tree</a></li>
1.10 weinem 107: <li><a href="#summary">Terse summary of an updating procedure</a></li>
1.1 dsieger 108: </ul>
109: <hr>
110: <h3 class="title"></h3>
111: <h4 class="title">
1.43 maya 112: <a name="current"></a>Tracking -current</h4>
1.1 dsieger 113: <p>
114: See
1.13 dsieger 115: <a class="ulink" href="current/" target="_top">this document</a>
1.9 weinem 116: for our documentation on how to track NetBSD-current.
1.1 dsieger 117: </p>
118:
119: <h4 class="title">
1.43 maya 120: <a name="update-src"></a>Updating the sources</h4>
1.1 dsieger 121: <p>
122: If you are running a stable NetBSD release (such as
1.29 snj 123: <a class="ulink" href="../releases/formal-6/" target="_top">NetBSD 6.1</a>),
1.1 dsieger 124: in a production environment, you should occasionally
125: update your sources and rebuild the system or the kernel,
126: in order to incorporate any security fixes that have been
127: applied to the branch since its release.
128: </p>
129:
1.10 weinem 130: <p>Most of the following steps can be done as ordinary user.
131: Only the installation of a new kernel and the userland will require
132: root privileges.
133: Although <code class="filename">/usr</code> is choosen as the working
134: directory in the following examples, the procedure can also
135: take place in a user's home directory. Ordinary users have normally not
136: the permissions to make changes in <code class="filename">/usr</code>,
137: but this can be changed by root. </p>
138:
139: <p>
1.1 dsieger 140: You can retrieve or update the sources for your
141: release using
1.13 dsieger 142: <a class="ulink" href="current/#using-anoncvs-over-ssh" target="_top">anoncvs over
1.1 dsieger 143: ssh</a>
144: by specifying the correct branch tag. For example, to
1.29 snj 145: checkout the sources for the NetBSD 6.1 release branch, you
146: would use:
1.1 dsieger 147: </p>
148: <pre class="programlisting">
149: $ cd /usr
1.10 weinem 150: $ export CVS_RSH=ssh
1.29 snj 151: $ cvs -d anoncvs@anoncvs.NetBSD.org:/cvsroot co -r netbsd-6-1 -P src</pre>
1.1 dsieger 152:
1.26 tron 153: <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
1.1 dsieger 154: <h3 class="title">Note</h3>
1.9 weinem 155: Be sure to take care in selecting the correct and desired branch tag so
156: you don't accidently <span class="emphasis"><em>downgrade</em></span> your source tree.
157: </div>
1.1 dsieger 158:
1.9 weinem 159: <p>To update an existing source tree, do:</p>
1.1 dsieger 160:
1.9 weinem 161: <pre class="programlisting">
162: $ cd /usr/src
1.10 weinem 163: $ export CVS_RSH=ssh
1.9 weinem 164: $ cvs update -dP</pre>
1.1 dsieger 165:
1.10 weinem 166:
167: <h4 class="title">
1.43 maya 168: <a name="tools"></a>Building the tools</h4>
1.10 weinem 169:
1.38 leot 170: <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
171: <h3 class="title">Note</h3>
172: Please always refer to <code class="code">build.sh -h</code> and the
173: files <code class="filename">UPDATING</code> and
174: <code class="filename">BUILDING</code> for details - it's worth
175: it, there are <span class="emphasis"><em>many</em></span> options that can
176: be set on the command line or in
177: <code class="filename">/etc/mk.conf</code>.
178: </div>
179:
1.10 weinem 180: <p>The next step is to build the toolchain. You need to
181: create an <code class="filename">obj/</code> and a <code class="filename">tools/</code>
1.13 dsieger 182: directory, followed by a run of <span class="command"><strong>build.sh</strong></span>:</p>
1.10 weinem 183:
184: <pre class="programlisting">
185: $ mkdir /usr/obj /usr/tools
186: $ cd /usr/src
187: $ ./build.sh -O /usr/obj -T /usr/tools -U -u tools</pre>
188:
189:
1.1 dsieger 190: <h4 class="title">
1.43 maya 191: <a name="kernel"></a>Building a new kernel</h4>
1.1 dsieger 192: <p>
193: Building a new kernel pretty much follows the steps
194: as described in
1.13 dsieger 195: <a class="ulink" href="kernel/#how_to_build_a_kernel" target="_top">this
1.9 weinem 196: document</a>.
1.1 dsieger 197: </p>
1.9 weinem 198:
199: <p>The steps to build the kernel are:</p>
200: <pre class="programlisting">
201: $ cd /usr/src
1.38 leot 202: $ ./build.sh -O ../obj -T ../tools -U kernel=<KERNEL>
1.9 weinem 203: </pre>
204:
205:
1.1 dsieger 206:
207: <h4 class="title">
1.43 maya 208: <a name="userland"></a>Building a new userland</h4>
1.1 dsieger 209:
1.9 weinem 210: <p>The build the userland, do:</p>
211: <pre class="programlisting">
1.14 apb 212: $ ./build.sh -O ../obj -T ../tools -U distribution</pre>
1.9 weinem 213:
1.1 dsieger 214:
1.9 weinem 215: <h4 class="title">
1.43 maya 216: <a name="installing"></a>Installing the kernel and userland</h4>
1.9 weinem 217:
218: <p>Installing the new kernel, rebooting (to ensure that the new kernel
219: works) and installing the new userland are the final steps of the updating
220: procedure:</p>
221: <pre class="programlisting">
222: $ cd /usr/src
223: $ su
224: # mv /netbsd /netbsd.old
1.15 mishka 225: # mv /usr/obj/sys/arch/<ARCH>/compile/<KERNEL>/netbsd /
1.9 weinem 226: # shutdown -r now
227: ...
228: $ cd /usr/src
229: $ su
230: # ./build.sh -O ../obj -T ../tools -U install=/ </pre>
231:
1.10 weinem 232: <p>If the new kernel <code class="filename">netbsd</code> does not boot
233: successfully, you can fall back on booting the
234: <code class="filename">netbsd.old</code> kernel.</p>
1.9 weinem 235:
236:
1.1 dsieger 237: <h4 class="title">
1.43 maya 238: <a name="parts"></a>Updating only parts of the source tree</h4>
1.10 weinem 239:
1.1 dsieger 240: <p>
241: If a security advisory has been issued, and you want
242: to just rebuild the necessary libraries and applications,
243: your best bet is to follow the instructions provided in the
244: advisory. An example is given below:
245: </p>
246:
1.9 weinem 247: <pre class="programlisting">
1.1 dsieger 248: $ cd src
1.29 snj 249: $ export CVS_RSH=ssh cvs update -d -P -r netbsd-6-1
250: $ cd libexec/httpd
1.1 dsieger 251: $ make USETOOLS=no cleandir dependall
252: $ su
253: # make USETOOLS=no install</pre>
254:
1.10 weinem 255:
256: <h4 class="title">
1.43 maya 257: <a name="summary"></a>Terse summary of an updating procedure</h4>
1.26 tron 258: <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
1.19 spz 259: <li class="listitem">
1.10 weinem 260: <p>Updating the sources:</p>
1.1 dsieger 261: <pre class="programlisting">
262: $ cd /usr/src
1.10 weinem 263: $ export CVS_RSH=ssh
264: $ cvs update -dP</pre>
1.1 dsieger 265: </li>
1.19 spz 266: <li class="listitem">
1.10 weinem 267: <p>Building the new kernel and userland:</p>
268: <pre class="programlisting">
1.1 dsieger 269: $ cd /usr/src
1.15 mishka 270: $ ./build.sh -O ../obj -T ../tools tools
1.9 weinem 271: $ ./build.sh -O ../obj -T ../tools kernel=<KERNEL>
1.14 apb 272: $ ./build.sh -O ../obj -T ../tools -U distribution</pre>
1.10 weinem 273: </li>
1.19 spz 274: <li class="listitem">
1.10 weinem 275: <p>Installing the new kernel and userland:</p>
276: <pre class="programlisting">
1.1 dsieger 277: $ su
278: # mv /netbsd /netbsd.old
1.15 mishka 279: # mv /usr/obj/sys/arch/<ARCH>/compile/<KERNEL>/netbsd /
1.9 weinem 280: # shutdown -r now
281: ...
1.1 dsieger 282: $ cd /usr/src
283: $ su
1.9 weinem 284: # ./build.sh -O ../obj -T ../tools -U install=/ </pre>
1.10 weinem 285: </li>
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