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Monitoring and debugging Commands

Monitoring and debugging commands in Linux are used to observe system activities, diagnose issues, and gather information for troubleshooting purposes. These commands help administrators and users monitor system performance, track resource usage, and identify potential problems. Here are some commonly used monitoring and debugging commands in Linux:

`top` (command is a system monitoring utility in Linux and Unix-like operating systems.)

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The “top” command is a system monitoring utility in Linux and Unix-like operating systems. When you run the “top” command in a terminal or command prompt, it provides a real-time
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`init 0`(is used to initiate a system shutdown in Linux.)
`uname -r`(” is used to display the kernel release information in Linux.)
`apt-get install package_name`
`cat file1 | command (sed, grep, awk, grep, etc …)> result.txt`
cat file1 file2 .. | command > file1_out.txt
`badblocks -v /dev/hda1`(is used to scan for bad blocks on the device or partition “/dev/hda1” in Linux systems.)
`mkfs /dev/hda1`(is used to create a file system on the device or partition)
`mkswap /dev/hda3`
`dump -0aj -f /tmp/home0.bak home` (is used to create a backup of the “home” directory using the “dump” utility.)
`cdrecord -v gracetime = 2 dev = /dev/cdrom -eject blank = fast -force`
`ifconfig eth0`(command is used to display the configuration information of the network interface named eth0)
`iptables -t filter -L`(is used to list the current firewall rules in the “filter” table of the “iptables” utility.)

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