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Configure a task: plan to run echo “file” command at 14:23 every day.

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Copy /etc/fstab to /var/tmp name admin, the user1 could read, write and modify it, while user2 without any
permission.

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Add users: user2, user3.
The Additional group of the two users: user2, user3 is the admin group Password: redhat

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Add user: user1, set uid=601
Password: redhat
The user’s login shell should be non-interactive.

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Add admin group and set gid=600

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Download ftp://192.168.0.254/pub/boot.iso to /root, and mounted automatically under /media/cdrom and which
take effect automatically at boot-start.

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Create a volume group,and set 8M as a extends. Divided a volume group containing 50 extends on volume
group lv (lvshare), make it as ext4 file system, and mounted automatically under /mnt/data. And the size of the
floating range should set between 380M and 400M.

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Create a 512M partition, make it as ext4 file system, mounted automatically under /mnt/data and which take
effect automatically at boot-start.

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Upgrading the kernel as 2.6.36.7.1, and configure the system to Start the default kernel, keep the old kernel
available.

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Create a volume group, and set 16M as a extends. And divided a volume group containing 50

extends on volume group lv, make it as ext4 file system, and mounted automatically under /mnt/data.