[Júne's Wiki] deb_cicada

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<nav> 
  * {{fa>server?color=#8B0000}} Linux
    * [[rpi_common|■ General Things on Raspbian]]
    * [[rpi_nimbus|𝐍𝐢𝐌𝐁𝐔𝐒 𝕕𝕖𝔹𝕝𝕒𝕟𝕔]]
    * [[debian_common|■ General info on Debian Linux]]
    * [[deb_mutism|𝐌𝐔𝐓𝐢𝐒𝐌 𝕄𝕒𝕘𝕟𝕦𝕞]] 
    * [[deb_gilead|𝐆𝐢𝐋𝐄𝐀𝐃 𝔸𝕣𝕘𝕖𝕟𝕥𝕒]] 
    * [[deb_symbio|𝐒𝐘𝐌𝐁𝐢𝐎 ℂ𝕠𝕟𝕒𝕥𝕦𝕤]]
    * [[deb_tardis|𝐓𝐀𝐑𝐃𝐢𝐒 𝕊𝕡𝕒𝕥𝕚𝕦𝕞]] 
    * [[deb_debris|𝐃𝐄𝐁𝐑𝐢𝐒 ℂ𝕙𝕣𝕠𝕞𝕖]] 
  * {{fa>windows?color=#0000A0}} Windows
    * [[:pc_common|■ Common Works on Windows]]
    * [[PC_MESONiSM|𝐌𝐄𝐒𝐎𝐍𝐢𝐒𝐌]] 
    * [[PC_MESONiST|𝐌𝐄𝐒𝐎𝐍𝐢𝐒𝐓]]
  * {{fa>android?color=#006400}} Android
    * [[:cell_common|■ Common Stuffs on Androids]]
    * [[CELL_EPiCON|𝐄𝐏𝐢𝐂𝐎𝐍 𝔽𝟙]] 
    * [[CELL_EPiMER|𝐄𝐏𝐢𝐌𝐄𝐑 𝟡]] 
    * [[CELL_EPiLUX|𝐄𝐏𝐢𝐋𝐔𝐗 𝟟]]   
    * [[CELL_EPiTAP|𝐄𝐏𝐢𝐓𝐀𝐏 𝟙𝟙]] 
    * [[CELL_EPiETA|𝐄𝐏𝐢𝐄𝐓𝐀 𝟜]] 
</nav>

===== Aeri Ianurium ─ 𝐂𝐢𝐂𝐀𝐃𝐀 𝕊𝕒𝕩𝕠𝕥𝕦𝕞 =====

{{:ubuntu-18.04-lts-features.png?nolink&300|}}

Name: {{mdi>cards?28&color=#8F4568}} ''**CiCADA** Saxotum'' (official) | {{mdi>creation?28&color=#8F4568}} ''라이몽'' (korean)

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==== Specification ==== 

{{mdi>cpu-64-bit?28&color=#8F4568}} CPU: ''Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz (4cores)'' --- [[https://meson.in/4mKgtqp|Product info]] 

{{mdi>memory?28&color=#8F4568}} Memory: ''**8G**''

{{mdi>database-plus?32&color=#8F4568}} Storages --- {{mdi>harddisk}} [[SECURED:JUNE_HARDWARE#data_storage|Storage in details]] {{mdi>lock}}
  * {{mdi>database}} ''**240G**'' --- ''/home/www-data'' partition {{fa>usb?14&color=#005eb8}} --- backup point
  * {{mdi>database}} ''**2.0T**'' --- ''/home/web-data'' partition {{fa>usb?14&color=#005eb8}} 
  * {{mdi>database}} ''**500G**'' --- ''~/storage'' partition {{fa>usb?14&color=#005eb8}}
  * {{mdi>database}} ''**500G**'' --- ''~/repository'' partition {{fa>usb?14&color=#005eb8}}

=== Live status of storages ===

<code ini>

┌─────────┬─────────┬─────────────┬─────────────┐
│  Size   │  Used   │  Free(%)    │    Mount    │
├─────────┼─────────┼─────────────┼─────────────┤
│ 110G    │ 12G     │ 93G(12%)    │ root        │
│ 229G    │ 13G     │ 205G(6%)    │ www-data    │
│ 1.8T    │ 258G    │ 1.5T(15%)   │ web-data    │
│ 459G    │ 268G    │ 168G(62%)   │ storage     │
│ 459G    │ 329G    │ 107G(76%)   │ repository  │
└─────────┴─────────┴─────────────┴─────────────┘

</code>

{{mdi>server-network?32&color=#8F4568}} --- {{mdi>wifi-strength-3-lock}} [[SECURED:HOME_NETWORK#dhcp_assigned_ip|Júne's home network]] {{mdi>lock}}
  * {{mdi>lan?color=#9000B3}} Wired (''CiCADA-enx001'') 


{{mdi>web?32&color=#8F4568}}  Web publishing and web resources including [[wp>WebDAV]]

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==== ＋Work logs ==== 

  * System Upgrade ''**Ubuntu 24.04 noble numbat**'' <sub>  --- Updated on //2025/02/27 03:48// </sub>
  * Attach Ubuntu Pro subscription <sub>  --- Updated on //2024/05/21 17:41// </sub>

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===== Solved problems =====

==== The following signatures were invalid ==== 

<text type="danger">{{fa>bug}} **Symptom**</text>: Error ''The following signatures were invalid'' shows during updating. This problem has something to do with ''expired keys'' or ''not updated keyrings'' 

<text type="info">{{fa>lightbulb-o}} **Solution**</text>: 

<code bash> 
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys [key]
</code> 

where [key] is shown in error line. 

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