Linux/Unix Configuration

Command chown chown – command changes the owner or group ownership of a file. Syntax chown [cvfR] username:groupname files Options -c displays only files with the change in

Command chmod chmod – command changes the permissions of one or more files. Syntax chmod [-cfvR] permissions files Options -c displays only files with changed permissions. -f suppress

Command chgrp chgrp – command changes the owner group of one or more files. Syntax chgrp [-cfvR] group files Options -c displays only files with modified group owner.

Command cd cd – command changes the current directory. Syntax cd [directory] Description The command cd without the directory name changes the current directory to home directory of

Command cat cat – Concatenate files and print on the standard output. Syntax cat [–benstuvAET] [—number] [—number-nonblank] [—squeeze-blank] [—show-nonprinting] [—show-ends] [—show-tabs] [—show-all] [—help] [—version] [file...] Options –b, —number-nonblank

Get All Hardware Devices lspci Get Drives Info fdisk -l Get HDD Partitions Info df -h Get CPU Info cat /proc/cpuinfo Get Filesystems Info cat /proc/filesystems Configuration Info

This guide will show you how to reset your Webmin password. Webmin is a powerful, web-based interface for managing Unix-like servers. It simplifies many aspects of system administration.

Append “Hello” to /hello.txt echo "Hello" >> /hello.txt Replace /hello.txt and put the “Hello” into the /hello.txt echo "Hello" > /hello.txt Show file info wc /root/anaconda-ks.cfg Delete file(s)

Install HDD Temperature. yum install hddtemp Show hdd temperature hddtemp /dev/sda /dev/sda = hdd1, /dev/sdb = hdd2

lsb_release --all cat /etc/issue cat /etc/*-release cat /proc/version Get CentOS Release rpm -q centos-release