Post tagged: storage

voidlinux virtualization

This recipe is for setting virtualization on a voidlinux desktop.

Use this setup script to set things up on void linux.

Connecting to libvirtd

Note that virsh and virt-manager commands connect to different libvirtd sessions by defauult.

virsh defaults to qemu:///session while virt-manager to qemu:///system.

It is better …

using cachefiles on an Linux NFS share

If you often mount and access a remote NFS share on your system, you will probably want to know how to improve NFS file access performance. One possibility is using file caching. In Linux, there is a caching filesystem called FS-Cache which enables file caching for network file systems such …

Telegram

Telegram is a messenger designed to overcome the limitations of other messengers like WhatsApp or similar ones. It is different and better than other messengers on more than one level. A few of the important features that make it stand out among other messengers are:

  • Open API. This enables the …

CyberWorld 2017.1

Development - travis cordova build - travis ionic build

  • owx
  • common
    • muninlite (can it support plugins?)
    • flock, pwgen, ifstat
  • ow1
    • diags&tools: usbutils, netstat-nat
    • sniffer: tcpdump[-mini] 317K/617K, libpcap 191K
  • owX

    • FW/NAT
    • DNSMASQ: DHCP + DNS
    • NTP server
    • Dynamic DNS updating (mushu porker)
    • NFS
    • IPv6 tunnel
    • Provisioning server: (PXE, TFTP, NFS …

Hosting WordPress on OpenShift

openshift

So I finally moved my WordPress web sites to OpenShift.

OpenShift is a cloud based Platform-as-a-Service offering from RedHat. And while there is a learning curve I would say that so far it works great.

My implementation is a fully cloud based solution. Makes use of the following services:

  • GitHub …

Windows administration from the command line

Windows system administration is very mouse driven and to reach all tools you need to browse through Windows explorer.

If you are like me and prefer to log on a limited privilege account and use Runas to perform admin tasks, you can open these consoles with the .msc file names …

RPMGOT

Software package download proxy

rpmgot is a simple/lightweight software package download proxy. It was designed to run on an OpenWRT router with some USB storage. So it is fully implemented as an ash script.

The basic idea has been implemented multiple times. For example refer to this article on …

Enable local file caching for NFS share on Linux

In Linux, there is a caching filesystem called FS-Cache which enables file caching for network file systems such as NFS. FS-Cache is built into the Linux kernel 2.6.30 and higher. In order for FS-Cache to operate, it needs cache back-end which provides actual storage for caching. One such …

Web Backups

cfback

As usual with any IT system backups are important. This does not change when using a free shared hosting provider. Because it is free, one would argue it is even more important.

For my wordpress web site I used something called cli-exporter. It let's you create "Wordpress" export files from …

Diskless Archlinux

I am still to test this recipe

Server Configuration

First of all, we must install the following components:

  • A DHCP server to assign IP addresses to our diskless nodes.
  • A TFTP server to transfer the boot image (a requirement of all PXE option roms).
  • A form of network storage (NFS …