Linux: Difference between revisions

Revision as of 09:48, 9 September 2016

Linux is a Unix-like and mostly POSIX-compliant computer operating system (OS) assembled under the model of free and open-source software development and distribution.^[1]

The purpose of this page is provide practical resources to student to understand and use Linux.

Tools you can use to manage different parts of the Linux operating system:

The OS manages	Linux tools you can use to understand what is going on
Memory	top, htop, free, vmstat
Processes	top
Files	File system, df, du, mount, lsof
Security	fstab, last, who, /var/log/auth.log
CPU Scheduling	perf
Devices, Device I/O	iotop, iostat
Interrupts	perf
The user interface, most often a GUI but also a CLI	we dont really monitor this
Networks	netstat, top, tcpdump, iptraf, iftop, nmon

Click here for a brilliant graphic showing the different types of tools you can use to view inside the Linux operating system

References[edit]

↑ https://en.wikipedia.org/wiki/Linux

[1] ttps://en.wikipedia.org/wiki/Linux

[1]

@@ Line 18: / Line 18: @@
 | Files || File system, df, du, mount, lsof
 |-
-| Security || fstab
+| Security || fstab, last, who, /var/log/auth.log
 |-
 | CPU Scheduling || perf
@@ Line 33: / Line 33: @@
 [[Media:Linux observability tools.png | Click here for a brilliant graphic showing the different types of tools you can use to view inside the Linux operating system]]
-== Do you understand this topic? ==
-* Describe the main functions of an operating system.
-== Do you have an advanced understanding about this topic? ==
-* Describe '''how''' an operating system manages the functions you have just described above.
 == References ==