It’s a very common issue that PHP scripts using mcrypt will not work in out of the box installation of PHP. Following are instructions for installation of php-mcrypt on CentOS 7. [Read more…]
Following are a simple instructions on how to mount Amazon S3 Bucket on CentOS or RHEL v7.x. [Read more…]
Following are the instructions for installing LAMP stack onto CentOS 7 or RHEL 7. LAMP stack commonly refers to a Linux installation of Apache, MySQL and PHP, which allow you to run full fledged web server with support for scripts and databases on a Linux server. In our case we’ll be installing: Apache HTTP Server vs 2.4, PHP 5.4.16 programming language and MariaDB 5.5.37 Server (a community-developed fork of the MySQL relational database management system).
Simple, yet detailed instructions on how to install Webmin on Centos 7, add firewall exceptions for Webmin port and even change the default Webmin port if that’s required. [Read more…]
There are many instructions for creating Android emulator on Windows, Linux, OS X or Solaris, but I couldn’t find any to show how to have a fully functional Android operating system along with a full functioning Google Play App Store. This basically allows you to run all Android apps from Google Play store on any other popular operating system, including those apps you have purchased from Google Play. Following instructions will walk you through setting this up. [Read more…]
Simple instructions on how to fix the “Bash Software Bug” (Shellshock Bash Vulnerability) and the biggest threat since “Heartbleed”, using open-source command-line package-management utility YUM (yellowdog updater). Below instructions will work on CentOS & Red Hat. Other Linux systems such as Scientific Linux, Yellow Dog Linux, Oracle Linux and those using the RPM Package Manager currently do not have the patch available (at the time of this article – 24.Sept.2014) but that should be coming soon. In any case instructions posted below will work for these other Linux distros as soon as the patch is available.
Following is a guide on properly changing a kernel of your DigitalOcean.com droplet. [Read more…]
For the purposes of this article, I’ll be referring to most powerful non-distributed computers in the world. Rank is based on a Rmax value (score measured using the LINPACK benchmark suite). Measurements are in petaflops (quadrillions of floating point operations per second). Following list is a current rank as of November/December 2013.
Monitoring of bandwidth usage in Linux over SSH can be quite simple. [Read more…]
To execute Citrix ICA Client on Linux Mint 14 “Nadia” 64-bit isn’t something you’ll get working right out of the box.
If you try to run a shortcut from your Citrix page, you’ll be most likely treated to following error:
SSL error. Contact your help desk with the following information: You have not chosen to trust”/C=US/ST=/L=/O=Equifax/OU=Equifax Secure Certificate Authority/CN=”, the issuer of the server’s security certificate ((SSL error 61). [Read more…]
– Najprv nainstaluj Cestinu do Linuxu. Chod do Language settings a vyber ‘Czech’ z jazykoveho menu a stlac Install button. [Read more…]
Couple commands to make your Linux file searching life easier: [Read more…]
This is a simple guide on how to block an IP address in Centos, RHEL or Fedora Linux. [Read more…]