185 lines
11 KiB
HTML
185 lines
11 KiB
HTML
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<meta itemprop="name" content="AWIPS User Manual - Linux Tools">
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<meta itemprop="description" content="Polymer is a library that uses the latest web technologies to let you create custom HTML elements. Build anything from a button to a complete application as an encapsulated, reusable element that works across desktop and mobile.">
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<meta itemprop="image" content="https://www.polymer-project.org/images/instacod.png">
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<title>
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Linux Tools -
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AWIPS User Manual
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</title>
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</head>
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<body id="linux-tools">
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<main id="content-container" class="polymer-content">
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<app-drawer id="sidebar" unresolved>
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<div id="logo-container" layout horizontal center>
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<a href="/awips2/" class="logo"><img src="/awips2/images/logos/awips2.png" alt="Unidata AWIPS User Guide"></a>
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<docs-menu unresolved flex
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baseurl='/awips2'
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</div>
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</app-drawer>
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<scroll-area sidebar unresolved class="scrolling">
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<site-banner type="guide" shortname="Docs" unresolved>
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<app-bar theme="light" class="bar fixed">
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</app-bar>
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<header class="shrink">
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<h1>
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EDEX Admin
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: Linux Tools
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</h1>
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</header>
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</site-banner>
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<article class="show-permalinks">
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<header class="onlyonmobile">
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<h1>
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EDEX Admin
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: Linux Tools
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</h1>
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</header>
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<!--TOC_START-->
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<ul id="markdown-toc">
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<li><a href="#using-standard-linux-tools" id="markdown-toc-using-standard-linux-tools">Using Standard Linux Tools</a></li>
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</ul>
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<!--TOC_END-->
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<h2 id="using-standard-linux-tools">Using Standard Linux Tools</h2>
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<p>Several standard Linux tools can be used to monitor the EDEX processes, and for the purposes of this document and the Unidata AWIPS Training Workshop, it is assumed that all are available and that the user has some knowledge of how they are used. Regardless, this document includes the full command syntax that can be copy and pasted from the document to the terminal.</p>
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<ul>
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<li>
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<p>ps - Display information about specific processes</p>
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<table>
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<tbody>
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<tr>
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<td>ps aux</td>
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<td>grep edex</td>
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</tr>
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</tbody>
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</table>
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</li>
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<li>
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<p>cat - Used to display a text file in a terminal</p>
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<p>cat /awips2/ldm/etc/pqact.conf</p>
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</li>
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<li>
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<p>tail - Used to provide a dynamic picture of process logs</p>
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<p>tail -f /awips2/ldm/logs/ldmd.conf</p>
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</li>
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<li>
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<p>grep - Used to filter content of process logs; used to filter output of other tools</p>
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<p>grep edexBridge /awips2/ldm/etc/ldmd.conf</p>
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</li>
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<li>
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<p>top - Provides a dynamic view of the memory and cpu usage of the EDEX processes</p>
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</li>
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<li>
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<p>psql - A terminal-based front-end to PostgreSQL. We will be executing SQL queries. You do not need to have previous experience with SQL to follow this guide, but navigating AWIPS metadata is made much easier with some experience.</p>
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</li>
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</ul>
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<p>[awips@edex ~]$ psql metadata
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psql (9.2.4)
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Type “help” for help.</p>
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<p>metadata=# help
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You are using psql, the command-line interface to PostgreSQL.
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Type: \copyright for distribution terms
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\h for help with SQL commands
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\? for help with psql commands
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\g or terminate with semicolon to execute query
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\q to quit
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metadata=# \dt sat*
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List of relations
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Schema | Name | Type | Owner
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——–+———————————–+——-+——-
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awips | satellite | table | awips
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awips | satellite_creating_entities | table | awips
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awips | satellite_geostationary_positions | table | awips
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awips | satellite_physical_elements | table | awips
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awips | satellite_sector_ids | table | awips
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awips | satellite_sources | table | awips
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awips | satellite_spatial | table | awips
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awips | satellite_units | table | awips
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(8 rows)</p>
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<p>metadata=# \q</p>
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</article>
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<footer>
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