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info [2010/04/11 22:44] k2patel |
info [2020/08/10 02:35] (current) |
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5 Multi-User mode, with display manager as well as console logins | 5 Multi-User mode, with display manager as well as console logins | ||
6 Reboot | 6 Reboot | ||
+ | </code> | ||
+ | |||
+ | ==== Named ==== | ||
+ | |||
+ | First Block explained. | ||
+ | <code bash | example.org> | ||
+ | |||
+ | $TTL 3600 ; 1 hour default TTL | ||
+ | example.org. IN SOA ns1.example.org. admin.example.org. ( | ||
+ | 2006051501 ; Serial | ||
+ | 10800 ; Refresh | ||
+ | 3600 ; Retry | ||
+ | 604800 ; Expire | ||
+ | 300 ; Negative Response TTL | ||
+ | ) | ||
+ | |||
+ | </code> | ||
+ | |||
+ | === Magic Number === | ||
+ | this is considered magic serial number because.\\ | ||
+ | as soon as your set this number DNS reset it's counter. | ||
+ | <code text> | ||
+ | 2147483647 | ||
+ | </code> | ||
+ | |||
+ | ==== File Permission notation ==== | ||
+ | <code text> | ||
+ | - denotes a regular file | ||
+ | d denotes a directory | ||
+ | b denotes a block special file | ||
+ | c denotes a character special file | ||
+ | l denotes a symbolic link | ||
+ | p denotes a named pipe | ||
+ | s denotes a domain socket | ||
</code> | </code> |