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Year: 2019

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Network RH Academy

Access remote systems using ssh

November 10, 2019February 15, 2022 xilenox

Accessing to remote system as root: example: # ssh 192.168.122.230 or: # ssh remotedomain.example.com or # ssh remotedomain Accessing to remote system as a user::

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monitor RH Academy

Identify CPU/memory intensive processes, adjust process priority with renice, and kill processes

September 17, 2019February 15, 2022 xilenox

How to adjust process priority with renice command.

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journalctl
monitor RH Academy

Locate and interpret system log files and journals

September 9, 2019February 15, 2022 xilenox

The journalctl recording the events of the system.

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Create and configure file systems

Create and manage Access Control Lists (ACLs)

May 21, 2019April 14, 2022 xilenox

Files and directories have permission sets for the owner of the file, the group associated with the file, and all other users for the system.

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Create and configure file systems RH Academy

Extend existing logical volumes

May 14, 2019April 14, 2022 xilenox

Exercise I For this exercise, we will work with a new blank disk (vdb) and extend the LV root from 5.29 GB to 6.29 GB.

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Create and configure file systems RH Academy

Extend and Reduce existing logical volumes

April 30, 2019April 14, 2022 xilenox

For this exercise, we going to extend the LV root from 5.29 GB to 6.29 GB: LV VG Attr LSizeroot myvg1 -wi-ao—- 5.29g First check

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RH Academy

Interrupt the boot process in order to gain access to a system

March 5, 2019February 15, 2022 xilenox

on grub after e: in linux16 line, eliminate “rhgb quiet” and write: rd.break Ctrl+x mount –> to see where is the fs root mount -o

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RH Academy

Boot systems into different targets manually

March 5, 2019February 15, 2022 xilenox

to check the present target setted: to know others targets: From the grub edit linux16 line, after of swap word, write: systemd.unit=multi-user.target Ctrl+x   This

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