The commands featured in the article are: skills needed to be a server
curl --URL transfer command. Can also be used for endpoint connectivity and database connectivity testing
python -m json.tool / jq --JSON data formatting and manipulation tool
ls --List file and directory information
tail --Show the back of the file
cat --Show the contents of the file
grep --text search
ps-list process information
env --list environment variables
top --Monitor process information
netstat --Show network status
ip address --Displays network interface information and address information associated with the host (install the iproute2 package if it is not installed)
lsof --lists file information that the process is open
df --Show free disk space
du --Show file and directory capacity
id --Display user information
chmod --change permissions
dig / nslookup-using DNS
iptables-firewall control
sestatus --Check whether SELinux is enabled or disabled
history --Display command history
The article explains how to use the command in an easy-to-understand manner, including sample execution examples. Linux servers will be able to understand the contents of the system in detail by knowing how to use commands more deeply and more.
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