XFS Quota Management

The XFS quota subsystem manages limits on disk space (blocks) and file (inode) usage. XFS quotas control or report on usage of these items on a user, group, or directory or...

How to Create XFS File System

To create a XFS file system, use the mkfs.xfs /dev/device command. In general, the default options are optimal for common use. When using mkfs.xfs on a block device containing an existing file system, use the -foption to...

XFS File System Overview

XFS is a highly scalable, high-performance file system which was originally designed at Silicon Graphics, Inc. XFS is the default file system for Red Hat Enterprise Linux 7. Main Features XFS supports metadata journaling, which facilitates quicker...

RHEL/CentOS 7 – Using the DATE Command

The date utility is available on all Linux systems and allows you to display and configure the current date and time. It is frequently used in scripts to display detailed information about the...

RHEL/CentOS 7 – Using the TIMEDATECTL Command

The timedatectl utility is distributed as part of the systemd system and service manager and allows you to review and change the configuration of the system clock. You can use this tool to change the...

RHEL/CentOS 7: How to Apply SELinux Policies

Let's see how to apply your newly created SELinux policies. In order to apply a policy, we need a policy package file (pp). This can be obtained by parsing AVC denials to audit2allow or compiling...

RHEL/CentOS 7: Creating SELinux Policies

In some cases, you'll need to create a new SELinux policy—for instance, when installing a piece of software from source. Although I do not recommend installing software from source on enterprise systems,...

RHEL/CentOS 7: Configuring SELinux port definitions

SELinux also controls access to your TCP/IP ports. If your application is confined by SELinux, it will also deny access to your ports when starting up the application. Let's see how to...
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