Linux tutorials / Recent Posts / Redhat Enterprise Linux 6 / RHEL7 / Web Servers
by Shujat Husain · Published June 29, 2022
Apache is known for being fast, secure & extremely customization. We can modify apache as per our needs & requirements with its various modules & configurations. One such file that is used to modify configurations of the website is ‘.htaccess’ file. .htaccess .htaccess is short for hyper...
Load balancers are used to improve the performance of infrastructure, whether they are being used to improve performance of a single system by distributing load across various network interfaces or load balancing might be used to distribute load of a web server across several backend servers....
Many system administrators, particularly those managing large database servers, have had difficulty tuning shared memory and semaphore parameters in /etc/system. Often, these difficulties are experienced before starting an application instance. The Solaris 10 Operating System addresses this issue by integrating the System V IPC tunables into...
In my previous post about IPV6- Solution for IPv4 Exhaustion , we have already discussed about the purpose and basic features of IPv6. In this post we will get discuss about basic IPv6 commands used in Redhat Enterprise Linux.
The processing of the name service switch configuration file, /etc/nsswitch.conf, is subtle. Existing tools, such as ” truss” , do not always provide sufficent information as to how a lookup is performed. However, by setting the NSS_OPTIONS environment variable, the name service switch can reveal how...
Unix Intermediate / Veritas Administration for unixadmin / VxVM - How to / VxVM Learning
by Ramdev · Published June 23, 2022
The vxattachd daemon monitors Veritas Volume Manager (VxVM) for disks being attached. The vxattachd daemon reattaches the detached plexes or sites if the corresponding disks become accessible. vxattachd analyzes the output of the vxnotify command, and waits for a failed disk to attach. When a disk...
Growing mirrored veritas volumes takes special care since it is desirable to keep each side of the mirror (plex) on different controllers. This procedure requires use of the GUI and command line interface.
1. What is the difference between an ext2 and ext3 file system? 1A. An ext3 file system has journaling built in to it, whereas the ext2 file system doesn’t. 2. What command can you use to create a file system? 2a. mkfs.ext4 3. Can you grow...
Linux Admin / Recent Posts / Redhat Enterprise Linux 6 / RHEL7 / Web Servers
by Shujat Husain · Published June 20, 2022
Security is up of utmost importance when it comes to data. Whether its data on FTP or on a website and breaches are major concern when our data is on internet. In this tutorial, we are going to discuss some tips which can help us make...
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