This article explains how to encrypt large files with OpenSSL and Public/Private keys. Create your key-pair: openssl req -x509 -nodes -newkey rsa:2048 -keyout private.pem -out public_nopass.pem Encrypt your larger file: openssl smime -encrypt -aes256 -in bigfile.tar -binary -outform DEM -out bigfile.tar.ssl public.pem Decrypt your file: openssl smime -decrypt -in bigfile.tar.ssl
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Install Munin Node (Client) on Redhat/CentOS
This article explains how to install and configure the Munun Node on a Redhat or CentOS server. The Munin Server was documented previously. First you need to install the packages: rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm yum install -y munin-node chkconfig munin-node on Make sure to allow TCP port 4949 through your firewall
Read moreInstall Munin Server on Redhat/CentOS
This article explains how to install Munin Server on CentOS and Redhat. This article doesn’t deal with the client (node) side of things. The Munin Node is documented here. Install the Munin Server packages: rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm yum groupinstall “Web Server” yum install -y munin php You can change the
Read moreWatch a directory for changes with inotify
The following is a quick and simple way to watch a directory for changes and then report any such changes into a file. For this example the watched directory is /var/www/ and the log file location is /srv/log.txt apt-get install inotify-tools apt-get install screen screen -S “inotify script” inotifywait -m
Read moreMinimal Nginx and PHP-FPM on CentOS
This article explains how to install a minimal Nginx server with php-fpm on a CentOS server. Install the packages: yum install nginx php-fpm php And here is the sample virtual-host config “/etc/nginx/conf.d/agix.com.au.conf”: server { listen 80; server_name agix.com.au *.agix.com.au; access_log /var/log/nginx/agix.com.au.access.log; error_log /var/log/nginx/agix.com.au.error.log; root /var/www/agix.com.au; index index.php; location / {
Read moreCreate a Linux based Minecraft Server
The following will guide you into creating a linux based Minecraft server, the example is running on a Ubuntu 12.04 box however this should work any similar distro. First if all we need to make sure that you have java installed, use the command below to do this. If you
Read moreGive a user complete access to Samba share contents – regardless of local permissions
It can be useful to give one user (perhaps the administrator) access to all data on the Samba server regardless of local disk access permissions and ownership. For example, suppose the administrator needs to access all data in “/home” to run nightly backups. This would be a suitable solution. The
Read moreInstall and configure VNC Server for Redhat/CentOS
This article explains how to install and configure VNC Server for Redhat or CentOS. This is the preferred graphical way to remotely manage a Redhat system. Our objective in this tutorial is to allow two users to log in via VNC; the “root” user and the “agix” user. Both will
Read moreTerminal Tip – Find your IP quicker
This one is old and simple but can save you time when trying to get the IP address of the machine you are working with, you will not have to scroll through other bits of information just to find your IP, this is designed for a system with a single
Read moreInstall VMWare Tools on Redhat/CentOS
This article explains how to install VMWare Tools on a CentOS or Redhat system. Consider taking a snapshot of the guest first as the installer plays around with the kernel. From within the VMWare client on your Windows system, right click on the virtual machine and choose “Guest” and then
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