migrate

2026-07-20 09:23:17 -04:00
parent c1315882da
commit 72272e4006
3179 changed files with 562960 additions and 14 deletions
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+# User Management
+ 
+|   |   |
+|---|---|
+|Command|Description|
+|sudo adduser \<user\>|Create a new user|
+|sudo userdel \<user\>|Delete a user|
+|sudo usermod -aG \<group\> \<user\>|Add a user to group|
+|sudo deluser \<user\> \<group\>|Remove a user from a group|
+ 
+# CRON
+ 
+|   |   |   |
+|---|---|---|
+|Field|Allowed Values|Description|
+|Second|0 - 59|Trigger every SECOND second(s)|
+|Minute|0 - 59|Trigger every MINUTE minute(s)|
+|Hour|0 -23|Trigger every HOUR hour(s)|
+|Day|1 - 31|Trigger every DAY day(s) of month|
+|Month|1 - 12|Trigger every MONTH month(s)|
+|Doay of Week|0 - 6|MON-SUN Trigger on specific DAY OF WEEK|
+ 
+# Special Characters
+ 
+|   |   |
+|---|---|
+|Special Character|Description|
+|*|Trigger on tick of every time unit|
+|,|List separator|
+|-|Specifies a range|
+|/|Defines an increment|
+ 
+# Examples
+ 
+|   |   |
+|---|---|
+|Cron Expression|Description|
+|0 * * * *|Executes every minute|
+|0 0 * * * *|Executes every hour|
+|0 0 0 * * *|Executes every day|
+|0 0 0 0 * *|Executes every month|
+|0 0 0 1 1 *|Executes on first day of Jan each year|
+|30 20 * * SAT|Executes at 08:30pm every Saturday|
+|30 20 * * 6|Executes at 08:30pm every Saturday|
+|0 */5 * * * *|Executes every five minutes|
+|0 0 8-10/1 * * *|Executes every hour between 8am and 10am|