How to maintain a “clean” Ubuntu
Ubuntu is (unfortunately) the most popular GNU/Linux distribution (I still prefer Fedora), as it has been the easiest to use for many years now, making it an obvious choice for every newcomer. As most new users don’t know if and how they are supposed to …Read More
Things to do after installing Ubuntu 16.04 LTS
To have a fully functional and smoothly running Ubuntu 16.04 Desktop users need to have some services application running before they start working with this fresh flavor of Ubuntu, although it depends upon nature of services for which system will be utilized, we …Read More
Protecting Apache Server From Denial-of-Service Attacks
Denial-of-Service (DoS) attack is an attempt to make a machine or network resource unavailable to its intended users, such as to temporarily or indefinitely interrupt or suspend services of a host connected to the Internet. A distributed denial-of-service (DDoS) is where the attack source is …Read More
PHP Sessions in Memcached
The moment a PHP application grows to run on more servers, normally people will see problems caused by PHP sessions. If the application is not persistent you are lucky and don’t care about this, but if not you will quickly see this regardless of how good the …Read More
MySQL InnoDB Corruption Repair Guide
This is a basic guide that goes over some of the methods you can use to deal with some of the most common InnoDB corruption issues, from start to finish.
/A/ First Response
A/1 Initial Steps
A/2 If MySQL is Crashing
/B/ Identifying the Problem
B/1 Examining the Logs
B/1.1 Page Corruption
B/1.2 …Read More
Make Samba Go Faster
After installing a wired gigabit network in my house I tested the performance in the network using shares (Windows – samba installed centos 7). I got around 500-600MBit/sec in read speeds and about 600-700MBit/sec in write speeds. But why ?
After looking at the samba configuration file I saw …Read More
How do I access and use dnf command with a web proxy server on a Fedora Linux? How do I configure dnf to use a proxy server only?
Dnf repositories (“repos”) can be accessed through standard proxy servers such as Squid or any other proxy server. You need to configure the …Read More
How to Recover InnoDB MySQL Table Data from ibdata and .frm Files
This tutorial explains how to restore MySQL tables when all or some of the tables are lost, or when MySQL fails to load table data.
One of the reason for this to happen is when the table data is corrupted.
In …Read More
Messing around with FreeBSD 10 lately I loved ZFS, its simplicity and expand-ability. So I thought, what about a Linux with ZFS ? I’ll write about How to Setup ZFS Filesystem on Linux with zpool Command Examples in here.
ZFS has combined volume manager and filesystem with several advanced features.
This is the …Read More
Setting up Apache Solr 5 on Centos for use with Drupal
As of this writing, the latest version of Solr is 5.3.0. I used this version but I assume that will work on any version 5.x and up. In this step by step guide we will install that version and integrate …Read More
Install and Configure CSF ConfigServer Firewall
About CSF Firewall
ConfigServer Security and Firewall, also known as CSF, is an opensource software firewall application. It is working based on iptables. Firewall configuration script created to provide better security for your server while giving you an easy to use, advanced interface for managing your firewall …Read More
Centos Recover broken rpmdb or missing packages
Did you ever encountered broken rpmdb ? Missing packages, filesystem corruption at /var/lib/rpm and ran out of backups or a restore isn’t possible ? You can fix it in Centos Recover broken rpmdb or missing packages and on other RHEL based systems too.
Let’s assume that …Read More