ImportError: No module named dbus while executing system-config-firewall-tui [Solved]
Question: I was trying to configure firewall using ‘system-config-firewall-tui‘ command on my CentOS VPS. However the command ended up with...
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Unable to yum install mod_security – No package mod_security available [Solved]
Question: I was trying to install mod_security for Apache web server via yum. I googled and found the below command...MediaWiki Image Upload – Fatal exception of type mwexception [Solved]
Question: Hi techglimpse, I have recently installed MediaWiki version 1.25.2 successfully. But I’m not able to upload an image file...System-config-firewall-tui does not startup on CentOS – Failed to connect to socket system_bus_socket [Solved]
Question: Hi, I’m a newbie using CentOS 6.6. I tried to configure Firewall settings via setup > Firewall Configuration. Unfortunately,...PHP-intl error: Unable to detect ICU prefix or no failed. Please verify ICU install prefix [Solved]
Question: Hi, I was trying to install Mediawiki on CentOS 6.6 machine. I have also installed all the dependant packages...pcre.h: No such file or directory Error while Installing Alternative PHP Cache [Solved]
Question : Hi techglimpse, thanks for answering my previous query on phpize. Now I’m stuck with another error while installing...APC Installation Error – sh: phpize: command not found [Solved]
Question: Hi techglimpse, I was trying to install APC for Mediawiki using yum on CentOS virtual machine. To install APC package, I...How to Hide or Remove Unwanted Apache Headers to Protect your WordPress Site?
It all starts from here – whenever the client requests for a page, the server sends out response data (the...How to Upgrade Sendmail to the latest version on CentOS
Recently I had to upgrade Sendmail version 8.13 to the latest version 8.15 on CentOS 5. If you are someone planning...How to List all Modules Loaded or Enabled in Apache httpd?
Question : Recently, I was learning how to secure Apache web server guide – in which one of the suggestion was to...Error: Setup Command not found in CentOS VPS [Solved]
Hi, I was using setup command in one of my RHEL machine to configure firewall, network and system services. Recently, I...CentOS – semanage command not found error – The fix is here!
Question: I was trying to setup Apache web server on a different port other than port 80. For instance, on...Fix OpenSSL Vulnerabilities on CentOS, Debian, Ubuntu and RHEL! [1.0.1e-fips]
If you find your production machines using OpenSSL version 1.0.1, 1.0.0 and 0.9.8, then here’s a serious vulnerability reported on...A Simple Guide to Install OpenStack Icehouse on CentOS – Two node Architecture
The word “OpenStack” is quite popular these days. You might have heard this word, even if you are not working in...OpenStack Icehouse Installation Errors and Solutions – CentOS
I have been trying to install OpenStack Icehouse on CentOS for almost a week (Since I’m doing this for the...How to Fix OpenStack’s Keystone Authentication Error – HTTP 500?
Here’s a question from one of our reader Praveen. Question: I’m installing Openstack on a CentOS machine by following the online documentation...Did you run ‘mysql_secure_installation’ after Installing MySQL? It helps Secure MySQL
The MySQL database package comes with an automated secure installation script called “mysql_secure_installation”. It’s advised to run this script soon...How to Install and Configure NTP for Time Synchronization in CentOS?
I was recently working on a Grid Computing project, where I had to install a grid middleware called Globus Toolkit....‘yum update’ Failed with an error message “Couldn’t resolve host’ on Centos – Here’s a Fix
One of our reader sent us the below question. Question: I have CentOS 4.9 installed on my PC and thought...PHP configure error: xml2-config not found. Check libxml2 installation on CentOS/RHEL/Fedora
For trying out wordpress 3.8 installation, i had to upgrade my php installation from 5.1.6 to 5.2.4 or later version....