Post tagged: information

Stupid SSL tricks

Some hints and tips foor doing SSL related things:

Netcat for SSL

This command lets you connect to a SSL server (a-la netcat):

cat request.txt | openssl s_client -connect server:443

Creating self-signed certificates

This is a single command to generate a self-signed certificate:

openssl req -new \
      -newkey rsa:4096 …

nginx's auth_request_module howto

This article tries to supplement the nginx documentations regarding the auth_request module and how to configure it. In my opinion, that documentation is a bit incomplete.

What is the nginx's auth_request module

The documentation for this module says, it implements client authorization based on the result of a subrequest.

This …

Python Virtual Environments

This is the least you need to know to get to use a Python virtual environment.

What is a Virtual Environment

At its core, the main purpose of Python virtual environments is to create an isolated environment for Python projects. This means that each project can have its own dependencies …

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 …

Rollback with YUM History Command

From 2daygeek.com

Server patching is one of the important task of Linux system administrator to make the system more stable and better performance. All the vendors used to release security/vulnerabilities patches very often, the affected package must be updated in order to limit any potential security risks.

Yum …

Mail Archiver ideas

We use it for receiving junk e-mails (i.e. for those times where we need an e-mail address for sign-up to a service).

E-mails are of the form:

[email protected]

TODO:

Extend postie:

  • http://postieplugin.com/extending/
  • http://postieplugin.com/postie_post_before/

Before posting we insert all the header information …

Archiving DVDs and CDs

Since now I have a Android TV I put away my HTPC and with that the capability to view DVDs or listen CDs directly.

So I converted my entire CD and DVD library to media files and stored in my home NAS.

Since we are talking hundreds of DVDs and …

organizing notes

My Documents

DOCUMENTS

  • Project Folder
  • old
  • YYYY
  • deliverables
  • clips?
  • category folder
  • expenses? expense reports and digital receipts
  • regs - passwords, registrations, etc...
  • nice notes - thank you letters, etc.
  • Personal folder
  • info or important health account data, friends contacts, etc
  • clips
  • writing - personal writing, notes, letter, drafts,
  • taxes folder
  • logs
  • activity log …

Private vs. Personal

In Microsoft Outlook has the option to tag e-mails with a sensitivity tag. Technically this is fairly meaningless. However sometimes I like to use them.

The confidential tag is quite self explanatory. I always confuse what is the difference between private and personal. So here is one possibility...

  • Personal information …

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 …

sdf.org

sdf.org

This one is an interesting site.

The Super Dimension Fortress is a networked community of free software authors, teachers, librarians, students, researchers, hobbyists, computer enthusiasts, the aural and visually impaired. It is operated as a recognized non-profit 501(c)(7) and is supported by its members.

Our mission …

Driving Continuous Integration from Git

Testing, code coverage, style enforcement are all check-in and merge requirements that can be automated and driven from Git.

If you're among the rising number of Git users out there, you're in luck: You can automate pieces of your development workflow with Git hooks. Hooks are a native Git mechanism …

Alarm Notification

This tutorial describes how to use the alarm manager to set alarms and how to use the notification framework to display them. In short, the sequence goes like this:

  1. In an Activity AlarmManager.set is called with a PendingIntent containing a Uri.
  2. When the alarm goes off, the Uri is …

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 …

Native Kerberos Authentication with SSH

This article is about integrating OpenSSH in a kerberos environment. Allthough OpenSSH can provide passwordless logins (through Public/Private keys), it is not a true SSO set-up. This article makes use of Kerberos TGT service to implement a true SSO configuration for OpenSSH.

Pre-requisites

First off, you'll need to make …

Wordpress links

This article describes how you creeate hyperlinks within Wordpress. There are a number of ways to do this, depending on the configuration and the types of data we are linking to.

This actually works whether or not Permalinks are active. Using the numeric values found in …