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How to summarize file space usage on Amazon S3 using command line client

Use s3cmd Command Line S3 Client and Backup for Linux and Mac to display disk usage on a particular bucket.

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How to install missing firmware for tg3 module

Recently I stumbled upon the missing firmware for Broadcom Tigon3 based gigabit Ethernet card after kernel upgrade process. Simple problem, which was solved by installing firmware-linux-nonfree Binary firmware for various drivers in the Linux kernel package.

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How to remove invalid entries from known hosts file

There are rare cases when known hosts file becomes corrupted, so basic ssh utilities fail within custom built shell scripts due to ~/.ssh/known_hosts is not a valid known_hosts file error.

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How to list available updates using apt

Many years ago I wrote How to display available updates blog post which mainly related to Debian Wheezy. Today I want to extend it by a neat console friendly utility available in Debian Jessie since the milestone apt release thanks to Michael Vogt.

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SysOps

How to jump between defined set of locations

I am constantly moving between a fixed list of several directories daily. Using cd can be tedious at times, so I defined a shell function to quickly jump between a defined set of directories.

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DevOps

How to setup apt-cacher-ng Vagrant box

Vagrant is an awesome piece of software, but constantly downloading system packages can be very time-consuming. The simplest solution is to set up an apt caching proxy as a Vagrant box.

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DevOps

How to setup DokuWiki Vagrant box

Today, I will publish Vagrant configuration to set up DokuWiki instance. It is just a handy reference, as described in the earlier blog post.

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How to get started with Vagrant

Today I will install Vagrant which provides an easy way to configure reproducible and portable virtual environments.
It is just a first step towards this new direction, so stay tuned for more details soon.

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SysOps

How to automatically login user at the console

I have already described a straightforward way to automatically login user at the console without touching the graphical user interface using Debian Wheezy, so today I will post an update for Debian Jessie as the whole process has changed considerably.

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SysOps

How to install and configure DokuWiki instance

Dokuwiki is the best Open Source project I have ever used, so I have prepared a simple step-by-step guide to help you get started. It is relatively brief and concise as most of the code was already described in other blog posts found on this website.