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Tag: cloud
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cron and anacron in RedHat Linux (How logrotate works)
ReadCron and anacron We all know cron is a job scheduler. Many admin uses crontab to manage scheduled task. It is also important to know…
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Basics Terms in Linux OS
ReadThese are the things quite confusing or abstract while I was at school but now makes lots of sense after many years working with different…
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Linux Admin Basics 2 of 3 – shell scripting
ReadBash Options You can set bash option in two ways, with shopt or with set command. For example: Here is a list of options. I…
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TCPdump and Wireshark configuration
ReadThis article explains how to troubleshoot TCP packet from Linux (CentOS) and Windows with TCP dump and wireshark. Both are important tools for troubleshooting. If…
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Linux Admin Basics 1 of 3 – Bash
ReadThis article summarized my time-saving Linux tips, mostly with CentOS environment. Bash Shortcuts These shortcuts save a lot of arrow keystrokes. Some of them may…