The cpio(1) namd is derived from CoPy In and Out. Cpio was standardized in POSIX.1-1988, but it was omitted from POSIX.1-2001 because of its file size and other limitations. The use of cpio by the RPM Package Manager make cpio an important archiving tool.
Posts categorized under: SysAdmin
The DNS is an essential part of the internet, it translates hostnames such as 0x9900.com into IP addresses 18.104.22.168. DNS also plays an important role for routing emails.
Everyone knows that filenames and variables can contain spaces, but when it comes to writing a shell script most of the shell developers seem eager to forget that fact and write scripts that do not safely handle filenames containing spaces.
I can't count the numbers of time I saw ...
When writing code it's important to make sure all the variables are defined. Using an undefined variable can lead to all sorts of problems. Your program may fail randomly or run commands with unexpected results. Almost all languages raise an error when the program tries to access a variable ...
At home I have two networks, one for my family and me and one for my guests. Once you are on the family network you can access our backup server, our music and video server, our printers, etc. The guest network can only access to the internet.
You can build a highly accurate Stratum-1 NTP Server for less than $100 using an old Wyse WinTerm, a GPS and a few electronic components.