Tutorial / Cheatsheet:12 practical examples for different sudo access based scenarios in RHEL 7 / CentOS 7

Jan 6, 2018

Below are some of the scenarios I can think of where sudoers file can be used, if you have any more [![How2Bto2Buse2Biperf32Btool2Bto2Bmonitor2Bnetwork2Bbandwidth2Bin2BLinux2B252822529](How2Bto2Buse2Biperf32Btool2Bto2Bmonitor2Bnetwork2Bbandwidth2Bin2BLinux2B252822529.webp)](How2Bto2Buse2Biperf32Btool2Bto2Bmonitor2Bnetwork2Bbandwidth2Bin2BLinux2B252822529.webp) questions for which you want any help of

Understanding syntax, arguments, aliases used in sudoers file with examples (visudo)

Jan 2, 2018

This article contains overview on the various syntax and aliases which are used in sudoers file [![How2Bto2Buse2Biperf32Btool2Bto2Bmonitor2Bnetwork2Bbandwidth2Bin2BLinux](How2Bto2Buse2Biperf32Btool2Bto2Bmonitor2Bnetwork2Bbandwidth2Bin2BLinux.webp)](How2Bto2Buse2Biperf32Btool2Bto2Bmonitor2Bnetwork2Bbandwidth2Bin2BLinux.webp) **IMPORTANT POINT:** It is strongly recommended to use "**visudo**" to edit the sudoers

Step by Step Linux boot process with GRUB2 and systemd in RHEL 7 / CentOS 7

Dec 26, 2017

Below table depicts the flow of the boot up process for [RHEL 7 / Cent OS 7]({{< relref "step-by-step-red-hat-linux-70/index.md" >}}) with GRUB2 and systemd [![RHEL7_Boot_Process2B252822529](RHEL7_Boot_Process2B252822529.webp)](RHEL7_Boot_Process2B252822529.webp) The stages involved in Linux Booting Process are:

How to use iperf3 tool to monitor network bandwidth in Linux

Dec 20, 2017

I have already written an article to check the network bandwidth speed using netperf available at below link [How to monitor network bandwidth in Linux using netperf]({{< relref "how-to-monitor-network-bandwidth-in/index.md" >}}) In this article

sed: Ignore whitespace while matching a pattern

Dec 17, 2017

In my last articles I had shared the arguments with sed which can be used to [perform case insensitive actions (search, replace..) in a file]({{< relref "sed-case-insensitive-actions-search/index.md" >}}) and to [delete all blank