Category: RHEL7


Password protecting an Apache directory

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 balancing web server using POUND load balancer

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....


Creating a mail server with Postfix, Dovecot & Squirrelmail

One of the most widely used services around the world is EMail. Whether its any organization or individual, email is used by everyone. Anyone can create an Email account with ease on any of the email servers like gmail, outlook etc but for an organization, it...


Securing Apache web server with SSL Certificate

When accessing a website, user sends its request to server & server than responds to user with the requested data.  During this process data gets passed on from one computer to another until it reaches to its destination and data during transit can be intercepted leading to...


Comprehensive guide to creating an APACHE Web server

Apache web server is the most popular & widely used web server. It is open source software that is maintained by apache foundation & according to a data , it is being used on two-third (almost 67%) of total web servers to host websites. It is...


Video Post – Command Line User Administration in RHEL7

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Working with dracut in RHEL7

Introduction dracut – low-level tool for generating an initramfs image Create an initramfs for the kernel with the version . If is omitted, then the version of the actual running kernel is used. If is omitted or empty, then the default location /boot/initramfs-.img is used.

Linux Administration Information Center

Booting Tasks Read – Unexpected Server Reboots of RHEL servers on HP Read – Linux Admin Reference – RedHat Linux Grub Loader Storage Responsibilities Read – Understand Device Mapper and DM-Multipath Read – Identifying Disk Errors in Linux Read – Identify if linux was installed on...


RHEL 7 : How to hot plug memory on VMWARE/Virtual RHEL7 Guests

Check current memory status of all modules: [root@gurkulrhel7 ~]# more /sys/devices/system/memory/memory*/state :::::::::::::: /sys/devices/system/memory/memory0/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory1/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory2/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory3/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory4/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory5/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory6/state :::::::::::::: online :::::::::::::: /sys/devices/system/memory/memory7/state :::::::::::::: online [root@gurkulrhel7 ~]# If...

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