1 1.1.1.11 christos <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2 1.1.1.11 christos <html> 3 1.1.1.13 christos <!-- Created by GNU Texinfo 6.6, http://www.gnu.org/software/texinfo/ --> 4 1.1 christos <head> 5 1.1.1.11 christos <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 6 1.1.1.11 christos <title>update-leap User’s Manual</title> 7 1.1.1.11 christos 8 1.1.1.11 christos <meta name="description" content="update-leap User’s Manual"> 9 1.1.1.11 christos <meta name="keywords" content="update-leap User’s Manual"> 10 1.1.1.11 christos <meta name="resource-type" content="document"> 11 1.1.1.11 christos <meta name="distribution" content="global"> 12 1.1.1.11 christos <meta name="Generator" content="makeinfo"> 13 1.1.1.11 christos <link href="#Top" rel="start" title="Top"> 14 1.1.1.11 christos <link href="dir.html#Top" rel="up" title="(dir)"> 15 1.1.1.11 christos <style type="text/css"> 16 1.1.1.11 christos <!-- 17 1.1.1.11 christos a.summary-letter {text-decoration: none} 18 1.1.1.11 christos blockquote.indentedblock {margin-right: 0em} 19 1.1.1.11 christos div.display {margin-left: 3.2em} 20 1.1.1.11 christos div.example {margin-left: 3.2em} 21 1.1.1.11 christos div.lisp {margin-left: 3.2em} 22 1.1.1.11 christos kbd {font-style: oblique} 23 1.1.1.11 christos pre.display {font-family: inherit} 24 1.1.1.11 christos pre.format {font-family: inherit} 25 1.1.1.11 christos pre.menu-comment {font-family: serif} 26 1.1.1.11 christos pre.menu-preformatted {font-family: serif} 27 1.1.1.11 christos span.nolinebreak {white-space: nowrap} 28 1.1.1.11 christos span.roman {font-family: initial; font-weight: normal} 29 1.1.1.11 christos span.sansserif {font-family: sans-serif; font-weight: normal} 30 1.1.1.11 christos ul.no-bullet {list-style: none} 31 1.1.1.11 christos --> 32 1.1.1.11 christos </style> 33 1.1.1.11 christos 34 1.1.1.11 christos 35 1.1 christos </head> 36 1.1 christos 37 1.1.1.11 christos <body lang="en"> 38 1.1.1.11 christos <h1 class="settitle" align="center">update-leap User’s Manual</h1> 39 1.1.1.11 christos 40 1.1 christos 41 1.1.1.11 christos 42 1.1.1.11 christos 43 1.1.1.11 christos 44 1.1.1.13 christos <span id="Top"></span><div class="header"> 45 1.1.1.11 christos <p> 46 1.1.1.11 christos Previous: <a href="dir.html#Top" accesskey="p" rel="prev">(dir)</a>, Up: <a href="dir.html#Top" accesskey="u" rel="up">(dir)</a> </p> 47 1.1.1.11 christos </div> 48 1.1.1.11 christos <h1 class="node-heading">Top</h1> 49 1.1.1.11 christos 50 1.1.1.11 christos <p>This document describes the use of the NTP Project’s <code>update-leap</code> program. 51 1.1.1.11 christos </p> 52 1.1.1.13 christos <p>This document applies to version 4.2.8p18 of <code>update-leap</code>. 53 1.1.1.11 christos </p> 54 1.1.1.13 christos <span id="SEC_Overview"></span> 55 1.1.1.11 christos <h2 class="shortcontents-heading">Short Table of Contents</h2> 56 1.1 christos 57 1.1 christos <div class="shortcontents"> 58 1.1.1.13 christos <li><a id="stoc-Invoking-update_002dleap" href="#toc-Invoking-update_002dleap">1 Invoking update-leap</a></li> 59 1.1.1.11 christos 60 1.1 christos </div> 61 1.1 christos 62 1.1 christos 63 1.1.1.11 christos <table class="menu" border="0" cellspacing="0"> 64 1.1.1.13 christos <tr><td align="left" valign="top">• update-leap Description</td><td> </td><td align="left" valign="top">Description 65 1.1.1.11 christos </td></tr> 66 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-Invocation" accesskey="2">update-leap Invocation</a></td><td> </td><td align="left" valign="top">Invoking update-leap 67 1.1.1.11 christos </td></tr> 68 1.1.1.11 christos </table> 69 1.1.1.11 christos 70 1.1.1.11 christos <hr> 71 1.1.1.13 christos <span id="update_002dleap-Invocation"></span><div class="header"> 72 1.1.1.11 christos <p> 73 1.1.1.11 christos Up: <a href="#Top" accesskey="u" rel="up">Top</a> </p> 74 1.1 christos </div> 75 1.1.1.13 christos <span id="Invoking-update_002dleap"></span><h3 class="section">1 Invoking update-leap</h3> 76 1.1.1.13 christos <span id="index-update_002dleap"></span> 77 1.1.1.13 christos <span id="index-leap_002dseconds-file-manager_002fupdater"></span> 78 1.1 christos 79 1.1 christos 80 1.1 christos 81 1.1.1.11 christos <p><code>update-leap</code> 82 1.1 christos will validate the file currently on the local system 83 1.1 christos and if necessary, updates leap-second definition file. 84 1.1.1.11 christos </p> 85 1.1.1.11 christos <p>Ordinarily, the file is found using the "leapfile" directive in 86 1.1.1.11 christos <code>ntp.conf(5)</code>. 87 1.1 christos However, an alternate location can be specified on the command line. 88 1.1.1.11 christos </p> 89 1.1.1.11 christos <p>If the file does not exist, is not valid, has expired, or is expiring soon, 90 1.1 christos a new copy will be downloaded. If the new copy validates, it is installed and 91 1.1 christos NTP is (optionally) restarted. 92 1.1.1.11 christos </p> 93 1.1.1.11 christos <p>If the current file is acceptable, no download or restart occurs. 94 1.1.1.11 christos </p> 95 1.1.1.11 christos <p>-c can also be used to invoke another script to perform administrative 96 1.1.1.11 christos functions, e.g. to copy the file to other local systems. 97 1.1 christos .PP 98 1.1 christos This can be run as a cron job. As the file is rarely updated, and leap 99 1.1 christos seconds are announced at least one month in advance (usually longer), it 100 1.1.1.11 christos need not be run more frequently than about once every three weeks. 101 1.1 christos .PP 102 1.1.1.11 christos For cron-friendly behavior, define CRONJOB=1 in the crontab. 103 1.1 christos .PP 104 1.1 christos This script depends on$REQUIREDCMDS 105 1.1.1.11 christos </p> 106 1.1.1.11 christos <p>This section was generated by <strong>AutoGen</strong>, 107 1.1 christos using the <code>agtexi-cmd</code> template and the option descriptions for the <code>update-leap</code> program. 108 1.1.1.11 christos </p> 109 1.1.1.11 christos <table class="menu" border="0" cellspacing="0"> 110 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-usage" accesskey="1">update-leap usage</a></td><td> </td><td align="left" valign="top">update-leap help/usage (<samp>--help</samp>) 111 1.1.1.11 christos </td></tr> 112 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-source_002durl" accesskey="2">update-leap source-url</a></td><td> </td><td align="left" valign="top">source-url option (-s) 113 1.1.1.11 christos </td></tr> 114 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-ipv4" accesskey="3">update-leap ipv4</a></td><td> </td><td align="left" valign="top">ipv4 option (-4) 115 1.1.1.11 christos </td></tr> 116 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-destination" accesskey="4">update-leap destination</a></td><td> </td><td align="left" valign="top">destination option (-d) 117 1.1.1.11 christos </td></tr> 118 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-expiration" accesskey="5">update-leap expiration</a></td><td> </td><td align="left" valign="top">expiration option (-e) 119 1.1.1.11 christos </td></tr> 120 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-ntp_002dconf_002dfile" accesskey="6">update-leap ntp-conf-file</a></td><td> </td><td align="left" valign="top">ntp-conf-file option (-f) 121 1.1.1.11 christos </td></tr> 122 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-force_002dupdate" accesskey="7">update-leap force-update</a></td><td> </td><td align="left" valign="top">force-update option (-F) 123 1.1.1.11 christos </td></tr> 124 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-exit-status" accesskey="8">update-leap exit status</a></td><td> </td><td align="left" valign="top">exit status 125 1.1.1.11 christos </td></tr> 126 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-Usage" accesskey="9">update-leap Usage</a></td><td> </td><td align="left" valign="top">Usage 127 1.1.1.11 christos </td></tr> 128 1.1.1.13 christos <tr><td align="left" valign="top">• <a href="#update_002dleap-Authors">update-leap Authors</a></td><td> </td><td align="left" valign="top">Authors 129 1.1.1.11 christos </td></tr> 130 1.1.1.11 christos </table> 131 1.1.1.11 christos 132 1.1.1.11 christos <hr> 133 1.1.1.13 christos <span id="update_002dleap-usage"></span><div class="header"> 134 1.1.1.11 christos <p> 135 1.1.1.11 christos Next: <a href="#update_002dleap-source_002durl" accesskey="n" rel="next">update-leap source-url</a>, Up: <a href="#update_002dleap-Invocation" accesskey="u" rel="up">update-leap Invocation</a> </p> 136 1.1.1.11 christos </div> 137 1.1.1.13 christos <span id="update_002dleap-help_002fusage-_0028_002d_002dhelp_0029"></span><h4 class="subsection">1.1 update-leap help/usage (<samp>--help</samp>)</h4> 138 1.1.1.13 christos <span id="index-update_002dleap-help"></span> 139 1.1.1.11 christos 140 1.1.1.11 christos <p>This is the automatically generated usage text for update-leap. 141 1.1.1.11 christos </p> 142 1.1.1.11 christos <p>The text printed is the same whether selected with the <code>help</code> option 143 1.1.1.11 christos (<samp>--help</samp>) or the <code>more-help</code> option (<samp>--more-help</samp>). <code>more-help</code> will print 144 1.1.1.11 christos the usage text by passing it through a pager program. 145 1.1 christos <code>more-help</code> is disabled on platforms without a working 146 1.1 christos <code>fork(2)</code> function. The <code>PAGER</code> environment variable is 147 1.1.1.11 christos used to select the program, defaulting to <samp>more</samp>. Both will exit 148 1.1 christos with a status code of 0. 149 1.1.1.11 christos </p> 150 1.1.1.11 christos <div class="example"> 151 1.1.1.9 christos <pre class="example"> 152 1.1.1.11 christos 153 1.1.1.10 christos Usage: update-leap [options] 154 1.1.1.10 christos 155 1.1.1.10 christos Verifies and if necessary, updates leap-second definition file 156 1.1.1.10 christos 157 1.1.1.10 christos All arguments are optional: Default (or current value) shown: 158 1.1.1.10 christos -C Absolute path to CA Cert (see SSL/TLS Considerations) 159 1.1.1.10 christos -D Path to a CAdir (see SSL/TLS Considerations) 160 1.1.1.10 christos -e Specify how long (in days) before expiration the file is to be 161 1.1.1.10 christos refreshed. Note that larger values imply more frequent refreshes. 162 1.1.1.10 christos 60 163 1.1.1.10 christos -F Force update even if current file is OK and not close to expiring. 164 1.1.1.10 christos -f Absolute path ntp.conf file (default /etc/ntp.conf) 165 1.1.1.10 christos /etc/ntp.conf 166 1.1.1.10 christos -h show help 167 1.1.1.10 christos -i Specify number of minutes between retries 168 1.1.1.10 christos 10 169 1.1.1.10 christos -L Absolute path to leapfile on the local system 170 1.1.1.10 christos (overrides value in ntp.conf) 171 1.1.1.10 christos -l Specify the syslog(3) facility for logging 172 1.1.1.10 christos LOG_USER 173 1.1.1.10 christos -q Only report errors (cannot be used with -v) 174 1.1.1.10 christos -r Specify number of attempts to retrieve file 175 1.1.1.10 christos 6 176 1.1.1.10 christos -s Send output to syslog(3) - implied if STDOUT has no tty or redirected 177 1.1.1.10 christos -t Send output to terminal - implied if STDOUT attached to terminal 178 1.1.1.10 christos -u Specify the URL of the master copy to download 179 1.1.1.10 christos https://www.ietf.org/timezones/data/leap-seconds.list 180 1.1.1.10 christos -v Verbose - show debug messages (cannot be used with -q) 181 1.1.1.10 christos 182 1.1.1.10 christos The following options are not (yet) implemented in the perl version: 183 1.1.1.10 christos -4 Use only IPv4 184 1.1.1.10 christos -6 Use only IPv6 185 1.1.1.10 christos -c Command to restart NTP after installing a new file 186 1.1.1.10 christos <none> - ntpd checks file daily 187 1.1.1.10 christos -p 4|6 188 1.1.1.10 christos Prefer IPv4 or IPv6 (as specified) addresses, but use either 189 1.1.1.10 christos 190 1.1.1.10 christos update-leap will validate the file currently on the local system. 191 1.1.1.10 christos 192 1.1.1.10 christos Ordinarily, the leapfile is found using the 'leapfile' directive in 193 1.1.1.10 christos /etc/ntp.conf. However, an alternate location can be specified on the 194 1.1.1.10 christos command line with the -L flag. 195 1.1.1.10 christos 196 1.1.1.10 christos If the leapfile does not exist, is not valid, has expired, or is 197 1.1.1.10 christos expiring soon, a new copy will be downloaded. If the new copy is 198 1.1.1.10 christos valid, it is installed. 199 1.1.1.10 christos 200 1.1.1.10 christos If the current file is acceptable, no download or restart occurs. 201 1.1.1.10 christos 202 1.1.1.10 christos This can be run as a cron job. As the file is rarely updated, and 203 1.1.1.10 christos leap seconds are announced at least one month in advance (usually 204 1.1.1.10 christos longer), it need not be run more frequently than about once every 205 1.1.1.10 christos three weeks. 206 1.1.1.10 christos 207 1.1.1.10 christos SSL/TLS Considerations 208 1.1.1.10 christos ----------------------- 209 1.1.1.10 christos The perl modules can usually locate the CA certificate used to verify 210 1.1.1.10 christos the peer's identity. 211 1.1.1.10 christos 212 1.1.1.10 christos On BSDs, the default is typically the file /etc/ssl/certs.pem. On 213 1.1.1.10 christos Linux, the location is typically a path to a CAdir - a directory of 214 1.1.1.10 christos symlinks named according to a hash of the certificates' subject names. 215 1.1.1.10 christos 216 1.1.1.10 christos The -C or -D options are available to pass in a location if no CA cert 217 1.1.1.10 christos is found in the default location. 218 1.1.1.10 christos 219 1.1.1.10 christos External Dependencies 220 1.1.1.10 christos --------------------- 221 1.1.1.10 christos The following perl modules are required: 222 1.1.1.10 christos HTTP::Tiny - version >= 0.056 223 1.1.1.10 christos IO::Socket::SSL - version >= 1.56 224 1.1.1.10 christos NET::SSLeay - version >= 1.49 225 1.1.1.10 christos 226 1.1.1.10 christos Version: 1.004 227 1.1.1.11 christos </pre></div> 228 1.1 christos 229 1.1.1.11 christos <hr> 230 1.1.1.13 christos <span id="update_002dleap-source_002durl"></span><div class="header"> 231 1.1.1.11 christos <p> 232 1.1.1.11 christos Next: <a href="#update_002dleap-ipv4" accesskey="n" rel="next">update-leap ipv4</a>, Previous: <a href="#update_002dleap-usage" accesskey="p" rel="prev">update-leap usage</a>, Up: <a href="#update_002dleap-Invocation" accesskey="u" rel="up">update-leap Invocation</a> </p> 233 1.1.1.11 christos </div> 234 1.1.1.13 christos <span id="source_002durl-option-_0028_002ds_0029"></span><h4 class="subsection">1.2 source-url option (-s)</h4> 235 1.1.1.13 christos <span id="index-update_002dleap_002dsource_002durl"></span> 236 1.1.1.11 christos 237 1.1.1.11 christos <p>This is the “the url of the master copy of the leapseconds file” option. 238 1.1.1.11 christos This option takes a string argument. 239 1.1 christos Specify the URL of the master copy to download 240 1.1 christos $LEAPSRC 241 1.1.1.11 christos </p><hr> 242 1.1.1.13 christos <span id="update_002dleap-ipv4"></span><div class="header"> 243 1.1.1.11 christos <p> 244 1.1.1.11 christos Next: <a href="#update_002dleap-destination" accesskey="n" rel="next">update-leap destination</a>, Previous: <a href="#update_002dleap-source_002durl" accesskey="p" rel="prev">update-leap source-url</a>, Up: <a href="#update_002dleap-Invocation" accesskey="u" rel="up">update-leap Invocation</a> </p> 245 1.1.1.11 christos </div> 246 1.1.1.13 christos <span id="ipv4-option-_0028_002d4_0029"></span><h4 class="subsection">1.3 ipv4 option (-4)</h4> 247 1.1.1.13 christos <span id="index-update_002dleap_002dipv4"></span> 248 1.1.1.11 christos 249 1.1.1.11 christos <p>This is the “use only ipv4 addresses for dns name resolution” option. 250 1.1.1.11 christos </p> 251 1.1.1.11 christos <p>This option has some usage constraints. It: 252 1.1.1.11 christos </p><ul> 253 1.1.1.11 christos <li> must not appear in combination with any of the following options: 254 1.1.1.11 christos ipv6. 255 1.1.1.11 christos </li></ul> 256 1.1 christos 257 1.1.1.11 christos <p>Force DNS resolution of following host names on the command line 258 1.1.1.11 christos to the IPv4 namespace. 259 1.1 christos _EndOfDoc_; 260 1.1 christos ; 261 1.1.1.11 christos </p> 262 1.1.1.11 christos <p>flag = 263 1.1 christos name = ipv6; 264 1.1 christos flags-cant = ipv4, prefer; 265 1.1 christos value = 6; 266 1.1.1.11 christos descrip = "Use only IPv6 addresses for DNS name resolution"; 267 1.1 christos doc = <<- _EndOfDoc_ 268 1.1 christos Force DNS resolution of following host names on the command line 269 1.1.1.11 christos to the IPv6 namespace. 270 1.1 christos _EndOfDoc_; 271 1.1 christos ; 272 1.1.1.11 christos </p> 273 1.1.1.11 christos <p>flag = 274 1.1 christos name = prefer; 275 1.1 christos flags-cant = ipv4, ipv6; 276 1.1 christos value = p; 277 1.1 christos arg-type = keyword; 278 1.1 christos keyword = 4, 6; 279 1.1.1.11 christos descrip = ’Prefer IPv4 or IPv6 (as specified) addresses, but use either’; 280 1.1 christos doc = <<- _EndOfDoc_ 281 1.1.1.11 christos Prefer IPv4 or IPv6 (as specified) addresses, but use either. 282 1.1.1.11 christos </p><hr> 283 1.1.1.13 christos <span id="update_002dleap-destination"></span><div class="header"> 284 1.1.1.11 christos <p> 285 1.1.1.11 christos Next: <a href="#update_002dleap-expiration" accesskey="n" rel="next">update-leap expiration</a>, Previous: <a href="#update_002dleap-ipv4" accesskey="p" rel="prev">update-leap ipv4</a>, Up: <a href="#update_002dleap-Invocation" accesskey="u" rel="up">update-leap Invocation</a> </p> 286 1.1.1.11 christos </div> 287 1.1.1.13 christos <span id="destination-option-_0028_002dd_0029"></span><h4 class="subsection">1.4 destination option (-d)</h4> 288 1.1.1.13 christos <span id="index-update_002dleap_002ddestination"></span> 289 1.1.1.11 christos 290 1.1.1.11 christos <p>This is the “filename on the local system” option. 291 1.1.1.11 christos This option takes a string argument <samp>float</samp>. 292 1.1.1.11 christos The name to use to store the leapfile on the local system. 293 1.1 christos $LEAPFILE 294 1.1.1.11 christos </p><hr> 295 1.1.1.13 christos <span id="update_002dleap-expiration"></span><div class="header"> 296 1.1.1.11 christos <p> 297 1.1.1.11 christos Next: <a href="#update_002dleap-ntp_002dconf_002dfile" accesskey="n" rel="next">update-leap ntp-conf-file</a>, Previous: <a href="#update_002dleap-destination" accesskey="p" rel="prev">update-leap destination</a>, Up: <a href="#update_002dleap-Invocation" accesskey="u" rel="up">update-leap Invocation</a> </p> 298 1.1.1.11 christos </div> 299 1.1.1.13 christos <span id="expiration-option-_0028_002de_0029"></span><h4 class="subsection">1.5 expiration option (-e)</h4> 300 1.1.1.13 christos <span id="index-update_002dleap_002dexpiration"></span> 301 1.1 christos 302 1.1.1.11 christos <p>This is the “refresh the leapfile this long before it expires” option. 303 1.1.1.11 christos This option takes a string argument. 304 1.1 christos Specify how long before expiration the file is to be refreshed 305 1.1.1.11 christos Units are required, e.g. "-e 60 days" Note that larger values 306 1.1.1.11 christos imply more frequent refreshes. 307 1.1.1.11 christos "$PREFETCH" 308 1.1.1.11 christos </p><hr> 309 1.1.1.13 christos <span id="update_002dleap-ntp_002dconf_002dfile"></span><div class="header"> 310 1.1.1.11 christos <p> 311 1.1.1.11 christos Next: <a href="#update_002dleap-force_002dupdate" accesskey="n" rel="next">update-leap force-update</a>, Previous: <a href="#update_002dleap-expiration" accesskey="p" rel="prev">update-leap expiration</a>, Up: <a href="#update_002dleap-Invocation" accesskey="u" rel="up">update-leap Invocation</a> </p> 312 1.1.1.11 christos </div> 313 1.1.1.13 christos <span id="ntp_002dconf_002dfile-option-_0028_002df_0029"></span><h4 class="subsection">1.6 ntp-conf-file option (-f)</h4> 314 1.1.1.13 christos <span id="index-update_002dleap_002dntp_002dconf_002dfile"></span> 315 1.1.1.11 christos 316 1.1.1.11 christos <p>This is the “location of the ntp.conf file” option. 317 1.1.1.11 christos This option takes a string argument. 318 1.1 christos Specify location of ntp.conf (used to make sure leapfile directive is 319 1.1 christos present and to default leapfile) 320 1.1 christos /etc/ntp.conf 321 1.1.1.11 christos </p><hr> 322 1.1.1.13 christos <span id="update_002dleap-force_002dupdate"></span><div class="header"> 323 1.1.1.11 christos <p> 324 1.1.1.11 christos Next: <a href="#update_002dleap-exit-status" accesskey="n" rel="next">update-leap exit status</a>, Previous: <a href="#update_002dleap-ntp_002dconf_002dfile" accesskey="p" rel="prev">update-leap ntp-conf-file</a>, Up: <a href="#update_002dleap-Invocation" accesskey="u" rel="up">update-leap Invocation</a> </p> 325 1.1.1.11 christos </div> 326 1.1.1.13 christos <span id="force_002dupdate-option-_0028_002dF_0029"></span><h4 class="subsection">1.7 force-update option (-F)</h4> 327 1.1.1.13 christos <span id="index-update_002dleap_002dforce_002dupdate"></span> 328 1.1.1.11 christos 329 1.1.1.11 christos <p>This is the “force update of the leapfile” option. 330 1.1.1.11 christos Force update even if current file is OK and not close to expiring. 331 1.1.1.11 christos </p><hr> 332 1.1.1.13 christos <span id="update_002dleap-exit-status"></span><div class="header"> 333 1.1.1.11 christos <p> 334 1.1.1.11 christos Next: <a href="#update_002dleap-Usage" accesskey="n" rel="next">update-leap Usage</a>, Previous: <a href="#update_002dleap-force_002dupdate" accesskey="p" rel="prev">update-leap force-update</a>, Up: <a href="#update_002dleap-Invocation" accesskey="u" rel="up">update-leap Invocation</a> </p> 335 1.1 christos </div> 336 1.1.1.13 christos <span id="update_002dleap-exit-status-1"></span><h4 class="subsection">1.8 update-leap exit status</h4> 337 1.1 christos 338 1.1 christos <p>One of the following exit values will be returned: 339 1.1.1.11 christos </p><dl compact="compact"> 340 1.1.1.11 christos <dt>‘<samp>0 (EXIT_SUCCESS)</samp>’</dt> 341 1.1.1.11 christos <dd><p>Successful program execution. 342 1.1.1.11 christos </p></dd> 343 1.1.1.11 christos <dt>‘<samp>1 (EXIT_FAILURE)</samp>’</dt> 344 1.1.1.11 christos <dd><p>The operation failed or the command syntax was not valid. 345 1.1.1.11 christos </p></dd> 346 1.1 christos </dl> 347 1.1.1.11 christos <hr> 348 1.1.1.13 christos <span id="update_002dleap-Usage"></span><div class="header"> 349 1.1.1.11 christos <p> 350 1.1.1.11 christos Next: <a href="#update_002dleap-Authors" accesskey="n" rel="next">update-leap Authors</a>, Previous: <a href="#update_002dleap-exit-status" accesskey="p" rel="prev">update-leap exit status</a>, Up: <a href="#update_002dleap-Invocation" accesskey="u" rel="up">update-leap Invocation</a> </p> 351 1.1.1.11 christos </div> 352 1.1.1.13 christos <span id="update_002dleap-Usage-1"></span><h4 class="subsection">1.9 update-leap Usage</h4> 353 1.1.1.11 christos <hr> 354 1.1.1.13 christos <span id="update_002dleap-Authors"></span><div class="header"> 355 1.1.1.11 christos <p> 356 1.1.1.11 christos Previous: <a href="#update_002dleap-Usage" accesskey="p" rel="prev">update-leap Usage</a>, Up: <a href="#update_002dleap-Invocation" accesskey="u" rel="up">update-leap Invocation</a> </p> 357 1.1.1.11 christos </div> 358 1.1.1.13 christos <span id="update_002dleap-Authors-1"></span><h4 class="subsection">1.10 update-leap Authors</h4> 359 1.1.1.11 christos <hr> 360 1.1 christos 361 1.1 christos 362 1.1 christos 363 1.1.1.11 christos </body> 364 1.1.1.11 christos </html> 365