Differences

This shows you the differences between two versions of the page.

--- debian_common [2024/04/18 08:58] – Júne Park
+++ debian_common [2026/09/23 11:14] (current) – external edit 127.0.0.1
@@ Line 191: / Line 191: @@
 alias backup_nginx='sudo rsync -avh --progress /etc/nginx/ /home/user/storage/Nginx.Config//nginx_config_`date +"%Y%m%d"`/'
 </code>
+----
+==== Test and check HDD status ====
+<code bash>
+sudo smartctl -t long /dev/sdX
+</code>
+It takes 2 hours or more for 1T HDD.
+<code bash>
+sudo smartctl -a /dev/sdX
+</code>
+=== Interpreting the Results ===
+''**Reallocated_Sector_Count**'': This attribute shows the number of bad sectors that the drive has remapped to its reserve pool. A rising count is a serious warning sign of a failing drive.
+''**Current_Pending_Sector_Count**'': A non-zero value here indicates sectors that are unstable and couldn't be read properly, potentially leading to data loss or drive failure. A rising count is a strong indicator that the drive is close to failing.
 ----
@@ Line 535: / Line 555: @@
 Upgrade from 18.04 LTS to 20.04 LTS (''Focal Fossa'')
-Official Guide on upgrade [[https://meson.in/2ALsTwg|How to upgrade from Ubuntu 18.04 LTS to 20.04 LTS today]] <sub>  --- Updated on //2020/07/11 03:40// </sub>
+Official Guide on upgrade [[https://meson.in/2ALsTwg|How to upgrade from Ubuntu 18.04 LTS to 20.04 LTS today]] <sub>--- Updated on //2020/07/11 03:40//</sub>
 === Upgrade on the command line ===