Linux and Unix like operating systems comes with z* commands. These commands allow you to read gzip compressed text files using zless, zcat, zmore,…
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Unix
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LinuxNetwork SecurityNewsOperating SystemPC & LaptopServerSoftware
Linux / UNIX View Only Configuration File Directives ( Uncommented Lines of a Config File )
Most Linux and UNIX-like system configuration files are documented using comments, but sometimes I just need to see a line of configuration text in…
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How do I perform DNS lookup under Linux, UNIX, or Apple macOS (OS X) operating systems without using 3rd party websites for troubleshooting DNS…
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LinuxNetwork SecurityNewsOperating SystemPC & LaptopServerSoftware
Shell script to see Time-To-Live (TTL) for a DNS record on Linux, Unix, macOS and FreeBSD
TTL is an acronym for Time-To-Live (TTL) in DNS. It sets the time in seconds that a DNS record is allowed to be cached…
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LinuxNetwork SecurityNewsOperating SystemPC & LaptopServerSoftware
sttr – Awesome Linux & Unix tool for transformation of the string
sttr demo The sttr is a free and open-source command-line tool in Golang that lets you easily change and modify text. You can perform…
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Working on Linux doesn’t often require that we contemplate epoch time, but the concept plays an important role in a “behind the scenes” kind…