rpi_common

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rpi_common [2020/07/28 08:29] – [Modify login message] JΓΊne Parkrpi_common [2024/04/18 08:52] (current) – JΓΊne Park
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 <nav>  <nav> 
   * {{fa>server?color=#8B0000}} Linux   * {{fa>server?color=#8B0000}} Linux
-    * [[:rpi_common|β–  General Things on Raspbian]]Β +    * [[rpi_common|β–  General Things on Raspbian]]Β 
-    * [[:rpi_autism|Media Ditorium ─ AUTiSM Rainbow]]Β +    * [[rpi_nimbus|ππ’πŒππ”π’ π••π•–π”Ήπ•π•’π•Ÿπ•”]]Β 
-    * [[:rpi_epigen|Private Cellarium ─ EPiGEN Crystal]]Β +    * [[debian_common|β–  General info on Debian Linux]]Β 
-    * [[:rpi_nimbus|Webius Officium ─ NiMBUS deBlanc]]Β +    * [[deb_cicada|𝐂𝐒𝐂𝐀𝐃𝐀 π•Šπ•’π•©π• π•₯π•¦π•ž]]Β 
-    * [[:debian_common|β–  General info on Debian Linux]]Β +    * [[deb_mutism|πŒπ”π“π’π’πŒ π•„π•’π•˜π•Ÿπ•¦π•ž]] Β 
-    * [[:deb_mutism|Opus Imperium ─ MUTiSM Magnum]]Β +    * [[deb_gilead|𝐆𝐒𝐋𝐄𝐀𝐃 π”Έπ•£π•˜π•–π•Ÿπ•₯𝕒]] Β 
-    * [[:deb_gilead|Actu Periculum ─ GiLEAD Argenta]]Β +    * [[deb_symbio|π’π˜πŒππ’πŽ β„‚π• π•Ÿπ•’π•₯𝕦𝕀]]Β 
-    * [[:deb_debris|Finca LaDichium ─ DEBRiS Chrome]]+    * [[deb_tardis|𝐓𝐀𝐑𝐃𝐒𝐒 π•Šπ•‘π•’π•₯π•šπ•¦π•ž]] Β 
 +    * [[deb_debris|𝐃𝐄𝐁𝐑𝐒𝐒 β„‚π•™π•£π• π•žπ•–]] 
   * {{fa>windows?color=#0000A0}} Windows   * {{fa>windows?color=#0000A0}} Windows
     * [[:pc_common|β–  Common Works on Windows]]     * [[:pc_common|β–  Common Works on Windows]]
-    * [[:pc_mesonism|Primus Workstation ─ MESONiSM]]Β +    * [[PC_MESONiSM|πŒπ„π’πŽππ’π’πŒ]] Β 
-    * [[:pc_mesonium|Manibus Tablet ─ MESONiUM]]Β +    * [[PC_MESONiST|πŒπ„π’πŽππ’π’π“]]
-    * [[:pc_mesonist|Domumus Workstage ─ MESONiST]]Β +
-    * [[:pc_mesonity|Praevus Station ─ MESONiTY]]+
   * {{fa>android?color=#006400}} Android   * {{fa>android?color=#006400}} Android
     * [[:cell_common|β–  Common Stuffs on Androids]]     * [[:cell_common|β–  Common Stuffs on Androids]]
-    * [[:cell_epiaux|JΓΊne's Primus ─ EPiAUX 5X]]Β +    * [[CELL_EPiCON|π„ππ’π‚πŽπ π”½πŸ™]] Β 
-    * [[:cell_epihex|JΓΊne's Extentus ─ EPiHEX 6]]Β +    * [[CELL_EPiMER|π„ππ’πŒπ„π‘ 𝟑]] Β 
-    * [[:cell_epinex|JΓΊne's Secondus ─ EPiNEX 5]]Β +    * [[CELL_EPiLUX|𝐄𝐏𝐒𝐋𝐔𝐗 𝟟]]   Β 
-    * [[:cell_epitab|JΓΊne's Laminus - EPiTAB 7]]Β +    * [[CELL_EPiTAP|𝐄𝐏𝐒𝐓𝐀𝐏 πŸ™πŸ™]] Β 
-    * [[:cell_epixus|JΓΊne's Tertius ─ EPiXUS 4]]+    * [[CELL_EPiETA|𝐄𝐏𝐒𝐄𝐓𝐀 𝟜]] 
 </nav> </nav>
  
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 <code bash> <code bash>
-  sudo passwd root +sudo passwd root 
 </code>   </code>  
  
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 <code autoconf> <code autoconf>
-  # User privilege specificationΒ +# User privilege specificationΒ 
-  root    ALL=(ALL:ALL) ALLΒ +root    ALL=(ALL:ALL) ALLΒ 
-  userid   ALL=(ALL) NOPASSWD: ALL+userid   ALL=(ALL) NOPASSWD: ALL
 </code> </code>
  
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   * ''vim'' --- vim is a text editor. It can be used for editing any kind of text and is especially suited for editing computer programs.   * ''vim'' --- vim is a text editor. It can be used for editing any kind of text and is especially suited for editing computer programs.
 +
 +  * ''iftop'' --- iftop is a real time console-based Linux network bandwidth monitoring
  
 ---- ----
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 Edit ''/etc/motd''  Edit ''/etc/motd'' 
  
-<button type="info" size="sm" icon="mdi mdi-message-text">[[https://wiki.meson.one/doku.php?id=secured:motd_raspbian|Live Configuration]]</button>+<button type="danger" size="sm" icon="mdi mdi-message-text">[[https://wiki.meson.one/doku.php?id=secured:motd_raspbian|Live Configuration]]</button>
  
 Create ''20-disks'' (arbitrary name) and edit in ''/etc/update-motd.d/''  Create ''20-disks'' (arbitrary name) and edit in ''/etc/update-motd.d/'' 
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 ----    ----   
 ==== Move directories & files using rsync ====  ==== Move directories & files using rsync ==== 
 +
 +<accordion>
 +<panel title="Under review">
 ''rsync'' is useful command to transfer data from source to destination.  ''rsync'' is useful command to transfer data from source to destination. 
  
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 After running ''rsync'' command, ''find'' command runs to find and delete empty directories.  After running ''rsync'' command, ''find'' command runs to find and delete empty directories. 
 +</panel>
 +</accordion> 
  
 ---- ----
-==== hash sum mismatch during apt-get update ====  
  
-This problem has something to do with ''slow connection'' or ''connection failure'' due to bad network situation. +==== Upgrade Raspbian from Jessie to Stretch ==== 
  
-<code bash> Β +[[https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=184830|Upgrade video guide]]  | [[https://www.52pi.com/blog/7-upgrade-raspbian-jessie-to-raspbian-stretch|Upgrade Guide]] 
-sudo vi /etc/apt/source.lists Β +
-</code> Β +
-Β +
-Remove downloaded repository information from the ''/var/lib/apt/lists/'' directory.+
  
 <code bash> <code bash>
-sudo rm -rf /var/lib/apt/lists/*Β +sudo apt update Β 
-</code>Β +sudo apt dist-upgrade 
-Β +
-Change mirror address seemingly to be fast. Β +
-Β +
-[[https://www.raspbian.org/RaspbianMirrors|Raspbian Mirrors]] Β +
-Β +
-This is a kind of temporary problem due to network condition. Β +
-Β +
----- Β +
-==== Upgrade Raspbian from Jessie to Stretch ==== Β +
-[[https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=184830|Upgrade video guide]] Β +
-[[https://www.52pi.com/blog/7-upgrade-raspbian-jessie-to-raspbian-stretch|Upgrade Guide]] Β +
-Β +
-<code bash>Β +
-  sudo apt-get update Β +
-  sudo apt-get upgrade Β +
-  sudo apt-get dist-upgrade +
 </code> </code>
  
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 <code bash> <code bash>
-  sudo dpkg -C+sudo dpkg -C
 </code> </code>
  
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 <code bash> <code bash>
-  sudo apt-mark showhold+sudo apt-mark showhold
 </code> </code>
  
-Packages showing ''On Hold'' will not upgrade. \\ +Packages showing ''On Hold'' **will not be upgraded**. Β 
 + 
 Replace ''Jessie'' to ''Stretch'' in distribution sources.  Replace ''Jessie'' to ''Stretch'' in distribution sources. 
  
 <code bash> <code bash>
-  sudo sed -i 's/jessie/stretch/g' /etc/apt/sources.list+sudo sed -i 's/jessie/stretch/g' /etc/apt/sources.list
 </code> </code>
  
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 <code bash> <code bash>
-  lsb_release -a+lsb_release -a
 </code> </code>
  
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 sudo reboot  sudo reboot 
 </code>  </code> 
- 
  
  
 ---- ----
  
-==== Customize login messages ====  
  
-edit or append ''/etc/update-motd.d/xx-command'', where xx is arbitrary number to set priorities.  
- 
-For example touch ''/etc/update-motd.d/20-disk'' with the following,  
- 
-<code bash>  
-#!/bin/sh 
-printf "\n" 
-df -h /dev/sd* --out=target,fstype --output=size,used,avail,pcent --type=ext4 
-printf "\n" 
-</code>  
- 
-shows size of disk, used and available capacities of ''ext4'' format disk(es).  
- 
-<code ini>  
-Mounted on             Type  Size  Used Avail Use% 
-/home/userid/disk1     ext4  917G  338G  533G  39% 
-/home/userid/disk2     ext4  458G  307G  128G  71%  
-</code>  
- 
----- 
  • rpi_common.1595924954
  • Last modified: 2020/07/28 08:29
  • by JΓΊne Park