LPIC-3 Exam 303: Security

The LPIC-3 certification is the culmination of LPI’s multi-level professional certification program. LPIC-3 is designed for the enterprise-level Linux professional and represents the highest level of professional, distribution-neutral Linux certification within the industry. Three separate LPIC-3 specialty certifications are available. Passing any one of the three exams will...

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ZIP command in Linux with examples

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ZIP is a compression and file packaging utility for Unix. Each file is stored in single .zip {.zip-filename} file with the extension .zip. ◈ zip is used to compress the files to reduce file size and also used as file package utility. zip is available in many operating...

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LPIC-3 Exam 304: Virtualization

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Exam Objectives Version: Version 2.0 Exam Code: 304-200 About Objective Weights: Each objective is assigned a weighting value. The weights indicate the relative importance of each objective on the exam. Objectives with higher weights will be covered in the exam with more questions. Prerequisites: The candidate must have...

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Exam 701: DevOps Tools Engineer

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Businesses across the globe are increasingly implementing DevOps practices to optimize daily systems administration and software development tasks. As a result, businesses across industries are hiring IT professionals that can effectively apply DevOps to reduce delivery time and improve quality in the development of new software products. To...

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Unix Sed Command to Delete Lines in File - 15 Examples

Sed Command to Delete Lines: Sed command can be used to delete or remove specific lines which matches a given pattern or in a particular position in a file. Here we will see how to delete lines using sed command with various examples. The following file contains a...

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Converting Awk Script to Perl Script - Examples of a2p Unix Command

Unix provides the a2p (awk to perl) utility for converting the awk script to perl script. The a2p command takes an awk script and produces a comparable perl script. Syntax of a2p: a2p [options] [awk_script_filename] Some of the useful options that you can pass to a2p are: -D<number> ...

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Learn the Linux Command 'setfacl'

Setfacl utility sets Access Control Lists (ACLs) of files and directories. On the command line, a sequence of commands is followed by a sequence of files (which in turn can be followed by another sequence of commands, etc.). ◈ The options -m, and -x expect an ACL on...

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