What is an orphan process
Linux Support Interview Questions
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What is a zombie process
The steps linux goes through when it boots
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Mostly different Linux commands and what they do. There were also a fair amount of questions pertaining to DNS and troubleshooting a network (all generally within the Linux environment).
What can be determined about the router from the console output: FastEthernet/IEEE 802.3 interface 125K bytes of non-volatile configuration memory.
Be prepared with your profile ,technical why do use dns ,if ram size is 500GB then wht shd be the swap space)thumb rule says twice of the ram size but it should be 250GB Lvm concept how to reduce a lvm ,how do you check if a server is physical or virtual how do you secure a server how to perform filesystem check e2fsck,xfs_repair how to avoid filesystem check during boot how do you check or create system logs (rsyslog and journalctl) what is load average(average sum of nos of process waiting in the run queue and no of process currently executing over the period of 1,5 and 15 mins use top and uptime to check it) ,how to calculate load average wht can u derive from it Hope this is helpful
3- DNS resolution
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