Red Hat System Administration II
Create archive files and extract their contents with the tar command.
Outcomes
Archive a directory tree and extract the archive content to another location.
As the student user on the workstation machine, use the lab command to prepare your system for this exercise.
This command ensures that all required resources are available.
[student@workstation ~]$ lab start archive-manage
Instructions
From
workstation, log in toserveraas thestudentuser and switch to therootuser.[student@workstation ~]$
ssh student@servera...output omitted... [student@servera ~]$sudo -i[sudo] password for student:student[root@servera ~]#Create an archive of the
/etcdirectory withgzipcompression. Save the archive file as/tmp/etc.tar.gz.[root@servera ~]#
tar -czf /tmp/etc.tar.gz /etctar: Removing leading `/' from member namesVerify that the
etc.tar.gzarchive contains the files from the/etcdirectory.[root@servera ~]#
tar -tzf /tmp/etc.tar.gzetc/ etc/mtab etc/fstab etc/crypttab etc/resolv.conf ...output omitted...Create the
/backuptestdirectory. Verify that theetc.tar.gzbackup file is a valid archive by decompressing the file to the/backuptestdirectory.Create the
/backuptestdirectory and change to that directory.[root@servera ~]#
mkdir /backuptest[root@servera ~]#cd /backuptest[root@servera backuptest]#Extract the
/tmp/etc.tar.gzarchive to the/backuptestdirectory.[root@servera backuptest]#
tar -xzf /tmp/etc.tar.gzList the contents of the
/backuptestdirectory. Verify that the directory contains the/etcdirectory backup files.[root@servera backuptest]#
ls -ltotal 12 drwxr-xr-x. 95 root root 8192 Feb 8 10:16 etc [root@servera backuptest]#ls -l etctotal 1228 -rw-r--r--. 1 root root 12 Feb 24 05:25 adjtime -rw-r--r--. 1 root root 1529 Jun 23 2020 aliases drwxr-xr-x. 2 root root 4096 Mar 3 04:48 alternatives ...output omitted...
Return to the
workstationsystem as thestudentuser.[root@servera backuptest]#
exitlogout [student@servera ~]$exitlogout Connection to servera closed. [student@workstation]$
Is It possible to reset root password when the system is on multi-user.target?
jennifer1987
27 lip 2023
Hi thereWell, i have a question, Is It possible to reset root password when the system is on multi-user.target? I was not be able to found a foro o some information related with this and another question that I have, If the grub menu dont show up, is it posible to reset the root password?
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Red Hat System Administration II (RH134)
Haley_Ruccio
21 lip 2023
Build the skills to perform the key tasks needed to become a full-time Linux administratorRed Hat System Administration II (RH134) is the second part of the RHCSA training track for IT professionals who have already attended Red Hat System Administration I. The course goes deeper into core Linux system administration skills in storage configuration and management, installation and deployment of Red Hat Enterprise Linux, management of security features such as SELinux, control of recurring system tasks, management of the boot process and troubleshooting, basic system tuning, and command-line automation and productivity. This course assumes that students have attended Red Hat System Administration I (RH124).Experienced Linux administrators who seek rapid preparation for the RHCSA certification should instead start with RHCSA Rapid Track (RH199).This course is based on Red Hat Enterprise Linux 9.0.Course summaryInstall Red Hat Enterprise Linux using scalable methodsAccess security files, file systems, and networksExecute shell scripting and automation techniquesManage storage devices, logical volumes, and file systemsManage security and system accessControl the boot process and system servicesRun containersAudience for this courseThis course is geared toward Windows system administrators, network administrators, and other system administrators who are interested in supplementing current skills or backstopping other team members, in addition to Linux system administrators who are responsible for these tasks:Configuring, installing, upgrading, and maintaining Linux systems using established standards and proceduresProviding operational supportManaging systems for monitoring system performance and availabilityWriting and deploying scripts for task automation and system administrationRecommended trainingSuccessful completion of Red Hat System Administration I (RH124) is recommended.Experienced Linux administrators seeking to accelerate their path toward becoming a Red Hat Certified System Administrator should start with the RHCSA Rapid Track course (RH199).Take our free assessment to gauge whether this offering is the best fit for your skills.Technology considerationsThere are no special technology requirements.This course is not designed for bring your own device (BYOD).Internet access is not required, but is recommended to allow students to research and access Red Hat online resources.
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Welcome to the Red Hat System Administration II (RH134) group in the Red Hat Learning Community!
Deanna
18 lip 2023
We are excited to launch a space dedicated to the Red Hat Training course Red Hat System Administration II! To gain the most value from this group - click the "Join Group" button in the upper right hand corner.We encourage group members to collaborate in this group to discuss topics, ask questions, share best practices and tips, provide course feedback, and share their accomplishments as it relates to RH134.Read more about Red Hat System Administration II here.
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