dig is a command line tips for querying DNS name servers for information about host addresses, mail exchanges, name servers, and related information. Understanding the default output The most typical, simplest query is for a single host Command line tips. By default, however, dig is pretty verbose. You probably don’t need all the information in […]
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System Admin Tools:First of all lets learn how to find out what is chocking or gobbling up the server resource. You can get the memory usage by issuing the command “free -m” [bash] root@spark [~]# free -m total used free shared buffers cached Mem: 4051 3052 999 0 249 1294 -/+ buffers/cache: 1508 2543
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Now I am going introduce you to a set of commands & System Admin Tools that may come handy FIND [bash]find -perm 777 -type d -exec chmod 755 {} \; #Command to change all the folders under present directory with 777 to 755 find -perm 755 -type f -exec chmod 644 {} \; #Command to
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