semanage-fcontext, restorecon: add page (#10550)

pages/linux/restorecon.md

@@ -0,0 +1,25 @@
+# restorecon
+
+> Restore SELinux security context on files/directories according to persistent rules.
+> See also: `semanage-fcontext`.
+> More information: <https://manned.org/restorecon>.
+
+- View the current security context of a file or directory:
+
+`ls -dlZ {{path/to/file_or_directory}}`
+
+- Restore the security context of a file or directory:
+
+`restorecon {{path/to/file_or_directory}}`
+
+- Restore the security context of a directory recursively, and show all changed labels:
+
+`restorecon -R -v {{path/to/directory}}`
+
+- Restore the security context of a directory recursively, using all available threads, and show progress:
+
+`restorecon -R -T {{0}} -p {{path/to/directory}}`
+
+- Preview the label changes that would happen without applying them:
+
+`restorecon -R -n -v {{path/to/directory}}`