Linux

389 Directory Server is an open source enterprise LDAP Server. This can handle very huge volume of data. One of the huge benefit of 389 LDAP server is that it is lighting fast and process upto handle several thousands of operations per second. This has several advanced features including asynchronous multi-master replication for horizontal scaling, [...]

In SELinux, one of the frequent task that you may do is to change the security context of an object. For this, you’ll use chcon command. chcon stands for Change Context. This command is used to change the SELinux security context of a file. This tutorial explains the following chcon command examples: Change the Full [...]

JRE stands for Java Runtime Environment. JDK stands for Java Development Kit. In most situations, if you want to run a Java application, you just need to install Only JRE. But, if you are doing some development work, or compiling an application that requires Java SDK, then you have to install JDK. This tutorial explains [...]

brctl stands for Bridge Control. In Linux, this command is used to create and manipulate ethernet bridge. This is typically used when you have multiple ethernet networks on your servers, and you want to combine them and present it as one logical network. For example, if you have eth0 and eth1, you can combine them [...]

sestatus stands for SELinux status. This command is used to view the current status of the SELinux that is running on your system. This tutorial explains the following: sestatus Command Output Explained with Details Display Selected Objects Security Context in sestatus Display Boolean Values in sestatus 1. sestatus Command Output Explained sestatus command will display [...]

On your Linux server, having proper SELinux security context for files and directories is very important. When you add your custom file to a directory that is already managed by SELinux policy, and if your custom file doesn’t have the proper SELinux context, then you will not get the expected result. restorecon stands for Restore [...]

If you are a sysadmin, managing your Linux server’s hard disk partition is a critical task. In this tutorial, we’ll focus on how to use sfdisk command-line utility to manage your hard disk partitions. While sfdisk is similar to fdisk, there are few partition manipulation activities that are very easy to perform in sfdisk. For [...]