A Red Hat Certified System Administrator (RHCSA) is able to perform the following tasks:
Create swap partition with 512 mb.
CMD:
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Understand and use essential tools for handling files, directories, command-line environments, and documentation
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Operate running systems, including booting into different run levels,
identifying processes, starting and stopping virtual machines, and
controlling services
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Configure local storage using partitions and logical volumes
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Create and configure file systems and file system attributes, such as
permissions, encryption, access control lists, and network file systems
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Deploy, configure, and maintain systems, including software installation, update, and core services
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Manage users and groups, including use of a centralized directory for authentication
- Manage security, including basic firewall and SELinux configuration.
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Create swap partition with 512 mb.
CMD:
root@linuxstorage:~#fdisk -cu /dev/vda
-command(for help m):n (n - to create new partition)
-command(for help m):e (e - extended partition)
- partition number:4
-firstsector= press enter
-last sector= by default(press enter)
-(logical,physical)
l (l -logical)
first sector - by default
last sector = +512M
-t (and) type - partition number is 5
-hex code is 82 (for linux swap)
--w (save)
root@linuxstorage:~#init 6 (restarting system )
root@linuxstorage:~#mkswap /dev/vda5 (formating file structure)
root@linuxstorage:~#swapon /dev/vda5
root@linuxstorage:~#vim /etc/fstab (enter new swap partition in fstab)
/dev/vda5 swap swap defaults 0 0
:wq (save the file)
root@linuxstorage:~# mount -a
root@linuxstorage:~# swapon -s (to verify swap partition)
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