[Júne's Wiki] rpi_epigen

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<nav> 
  * {{fa>server?color=#8B0000}} Linux
    * [[:rpi_common|■ General Things on Raspbian]]
    * [[:rpi_autism|Media Ditorium ─ AUTiSM Rainbow]]
    * [[:rpi_epigen|Private Cellarium ─ EPiGEN Crystal]]
    * [[:rpi_nimbus|Webius Officium ─ NiMBUS deBlanc]]
    * [[:debian_common|■ General info on Debian Linux]]
    * [[:deb_mutism|Opus Imperium ─ MUTiSM Magnum]]
    * [[:deb_gilead|Actu Periculum ─ GiLEAD Argenta]]
    * [[:deb_debris|Finca LaDichium ─ DEBRiS Chrome]]
  * {{fa>windows?color=#0000A0}} Windows
    * [[:pc_common|■ Common Works on Windows]]
    * [[:pc_mesonism|Primus Workstation ─ MESONiSM]]
    * [[:pc_mesonium|Manibus Tablet ─ MESONiUM]]
    * [[:pc_mesonist|Domumus Workstage ─ MESONiST]]
    * [[:pc_mesonity|Praevus Station ─ MESONiTY]]
  * {{fa>android?color=#006400}} Android
    * [[:cell_common|■ Common Stuffs on Androids]]
    * [[:cell_epiaux|Júne's Primus ─ EPiAUX 5X]]
    * [[:cell_epihex|Júne's Extentus ─ EPiHEX 6]]
    * [[:cell_epimer|Júne's Maximus ─ EPiMER 5P]]
    * [[:cell_epinex|Júne's Secondus ─ EPiNEX 5]]
    * [[:cell_epitab|Júne's Laminus - EPiTAB 7]]
    * [[:cell_epixus|Júne's Tertius ─ EPiXUS 4]]
</nav>

====== Private Cellium ─ EPiGEN Crystal ======

{{:rpi_epigen.jpg?nolink&250|}}

Name: {{mdi>cards?28&color=#7E007B}} ''**EPiGEN** Crystal'' (official) | {{mdi>creation?28&color=#7E007B}} ''자몽'' (korean)

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===== Specification ===== 

{{mdi>raspberry-pi?32&color=#7E007B}} Model: [[https://www.raspberrypi.org/products/raspberry-pi-2-model-b//|Raspberry Pi 2 Model B+]] [[wp>Raspberry_Pi#Model_B|Raspbierry Pi Model B]]

{{mdi>database-plus?32&color=#7E007B}} Storages --- {{mdi>harddisk}} [[SECURED:JUNE_HARDWARE#data_storage|Storage in details]] {{fa>lock}}
  * {{mdi>database?color=#7E007B}} ''**1T**'' --- ''~/Storage'' partition {{fa>usb?14&color=#005eb8}}
  * {{mdi>database?color=#7E007B}} ''**500G**'' --- ''~/Repository'' partition {{fa>usb?14&color=#005eb8}}

=== Live status of storages ===

<code ini>
Mounted on             Type  Size  Used Avail Use%
~/Repository           ext4  458G  208G  227G  48%
~/Storage              ext4  917G  194G  677G  23%
</code>

{{mdi>server-network?32&color=#7E007B}} --- {{mdi>wifi-strength-3-lock}} [[SECURED:HOME_NETWORK#dhcp_assigned_ip|Júne's home network]] {{fa>lock}}
  * {{mdi>lan?color=#7E007B}} Wired (''EPiGEN-enx001'')
  * {{mdi>wifi?color=#7E007B}} Wireless {{fa>usb?14&color=#030303}} (''EPiGEN-wlx001'') 
  * {{mdi>lan?color=#7E007B}} Wired {{fa>usb?14&color=#030303}} (''EPiGEN-enx003'') 

{{mdi>lan-connect?32&color=#7E007B}} Private storage and Backup point

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==== ＋Work logs ====

  * Disable ''transmission web'' port, ''9090'' and build ''proxy_pass'' pages <sub>--- Updated on //2020/07/11 03:25//</sub>
  * Plugin Wired Giga LAN {{fa>usb}} <sub>--- Updated on //2020/02/22 03:34//</sub>
  * ''fresh installation'' <sub>--- Updated on //2018/02/25 01:13//</sub> 

=== ＋Que to do === 
  * Change Boot microSD memory due to physical defects

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===== Operation manuals ===== 

==== Configure System log (syslog) Server ==== 
Raspbian (debian) server can be used as a machine recording log from external devices such as router. \\ 
Install syslog-ng and related mods as well. 

<code bash>
  sudo apt-get install syslog-ng 
</code> 

After finishing installation, edit ''/etc/syslog-ng/syslog-ng.conf''. \\

<code autoconf>
  source s_net { udp(ip(0.0.0.0) port(514)); };  
  
  destination d_router { file(“/var/log/router.log”); }; 
  
  log { source(s_net); destination(d_router); }; 
</code>
  
''source s_net'' defines the source where records are from ''0.0.0.0'' will be bind to all interfaces. \\
''destination'' set your arbitrary name like ''d_router'' and set the path of log file. \\ 
''log'' tells what source to use and what destination to take. If you have 'filter' option to utilize for more refined log results. \\ 
Create log file. 

<code bash>
  sudo touch /var/log/router.log 
</code> 

And restart ''syslog-ng'' service 

<code bash>
  sudo systemctl stop syslog-ng.service 
  sudo systemctl start syslog-ng.service 
</code> 

For sensitive reason, you would better to **stop & start** service instead of restart. \\
Check size of log file is getting bigger and contents of log file. 

For archiving and compressing log files, ''edit'' ''/etc/logrotate.d/syslog.ng'' 

<code ini> 
/var/log/router.log
{
        rotate 4
        weekly
        missingok
        notifempty
        compress
        delaycompress
        sharedscripts
        postrotate
                invoke-rc.d syslog-ng reload > /dev/null
        endscript
}
</code>


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==== Delete unnecessary files regularly ==== 
''sudo crontab -e'' Add command line to find & delete. e.g.) Delete all ''.nfo'' file in target directory and its sub-directories at 30 minutes past every 6 hours. 

<code bash>
  30 */6 * * * /usr/bin/find /..((your path)).../ -name '*.nfo' -exec rm -f {} \;
</code>

Delete empty directory at 30 minutes past every 12 hours 

<code bash>
  30 */12 * * * /usr/bin/find /..((your path)).../ -type d -empty -delete
</code>

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==== Delete all files except for desired file types ==== 

<code bash> 
 find . -type f ! -name '*.mkv' -delete
</code>  

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