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HowTos

some howtos:

Filed under
HowTos
  • How To Convert Any Video File Format Under Linux

  • Fix Slow Or Hanging Thunderbird Email Client
  • How to install Chromium (Google Chome) on Gentoo Linux
  • Gedit won't save to SSHFS mount, cured
  • Get to know Linux: Removing files
  • How to setup and use YUM on Fedora Linux
  • How to get ath5k working on Jaunty
  • Jargon Jam - Repo
  • Comandline 101: Aliases for Common Commands
  • Debian Lenny 5.0.1 PXE initrd update

Virtualization With KVM On Ubuntu 9.04

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Ubuntu
HowTos

This guide explains how you can install and use KVM for creating and running virtual machines on an Ubuntu 9.04 server. I will show how to create image-based virtual machines and also virtual machines that use a logical volume (LVM).

Detecting memory leaks & invalid memory de-allocation in the Linux kernel

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HowTos

embedded.com: Memory leaks and memory corruptions are problems that can be easily introduced in code written in C or C++ and generally in any programming language that does not have a garbage collector built in, causing system crashes and sometimes, even worse, unexpected behavior, creating bugs that are difficult to be detected.

Run Windows and Linux: easy partitioning guide

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HowTos

techradar.com: Setting up a Linux distribution isn't a difficult task anymore, but if you want to install Linux on a machine that already has a Windows installation on it, you'll have to slice your disk into smaller partitions to do so.

Paravirtualization With Xen On CentOS 5.3 (x86_64)

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HowTos

This tutorial provides step-by-step instructions on how to install Xen (version 3.0.3) on a CentOS 5.3 (x86_64) system. Xen lets you create guest operating systems (*nix operating systems like Linux and FreeBSD), so called "virtual machines" or domUs, under a host operating system (dom0).

some howtos:

Filed under
HowTos
  • Using the Bash complete Command

  • Count the Number of Files in a Directory in Linux
  • openSUSE NetworkManager and keyring
  • Lock screen on lid close
  • Command Line Basics: Navigating the File System
  • Browsing a FTP server in Nautilus
  • How to Use the Second Network Port on Your Computer
  • Create your own version of Fedora with Revisor
  • Creating Our First Module using Drupal 6 (Part1)
  • vnstat on openSUSE

Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (CentOS 5.3 x86_64)

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HowTos

This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database.

some howtos:

Filed under
HowTos
  • Getting Familiar with Linux Logs

  • Making ‘ondemand’ CPU frequency scaling more responsive
  • Oz: Translating Python into Oz
  • Using SugarSync under Linux
  • Install the Firefox 3.5 Beta in Linux
  • Gentoo + X11 + No Mouse/Keyboard
  • Installing the Open Sound System (OSS) in Fedora
  • Command Line Basics: echo
  • A Newbie’s Getting Started Guide to Linux [PDF]
  • Install a Minimal Ubuntu Desktop
  • ssh_exchange_identification: Connection closed by remote host
  • MBR (Master Boot Record) Backup & Restore

some howtos:

Filed under
HowTos
  • How to protect Apache against DOS,DDOS or brute force attacks

  • Install BackupPC server in Centos|Rhel|Fedora
  • Changing your hostname in Ubuntu
  • Getting Fedora working in VirtualBox
  • Howto Use OpenDNS On Ubuntu
  • How to install and manage packages in Linux with RPM
  • Gmail Notify: Not Just for Win/Mac
  • Ubuntu - After the Installation
  • Setting up File Sharing in Linux with Samba
  • The Terminal: Messin’ With Files and Directories
  • Get DirectFB 1.2.* running on Ubuntu 9.04 (with multi app support)

The Perfect Server - Mandriva 2009.1 Free (x86_64) [ISPConfig 2]

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MDV
HowTos

This tutorial shows how to set up a Mandriva 2009.1 Free (x86_64) server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, etc

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Security Leftovers

  • efail: Outdated Crypto Standards are to blame
    I have a lot of thoughts about the recently published efail vulnerability, so I thought I'd start to writeup some of them. I'd like to skip all the public outrage about the disclosure process for now, as I mainly wanted to get into the technical issues, explain what I think went wrong and how things can become more secure in the future. I read lots of wrong statements that "it's only the mail clients" and the underlying crypto standards are fine, so I'll start by explaining why I believe the OpenPGP and S/MIME standards are broken and why we still see these kinds of bugs in 2018. I plan to do a second writeup that will be titled "efail: HTML mails are to blame". I assume most will have heard of efail by now, but the quick version is this: By combining a weakness in cryptographic modes along with HTML emails a team of researchers was able to figure out a variety of ways in which mail clients can be tricked into exfiltrating the content of encrypted e-mails. Not all of the attack scenarios involve crypto, but those that do exploit a property of encryption modes that is called malleability. It means that under certain circumstances you can do controlled changes of the content of an encrypted message. [...] Properly using authenticated encryption modes can prevent a lot of problems. It's been a known issue in OpenPGP, but until know it wasn't pressing enough to fix it. The good news is that with minor modifications OpenPGP can still be used safely. And having a future OpenPGP standard with proper authenticated encryption is definitely possible. For S/MIME the situation is much more dire and it's probably best to just give up on it. It was never a good idea in the first place to have competing standards for e-mail encryption. For other crypto protocols there's a lesson to be learned as well: Stop using unauthenticated encryption modes. If anything efail should make that abundantly clear.
  • Comcast Leaked Customer Wi-Fi Logins in Plaintext, Change Your Passcode Now
    A Comcast Xfinity website was leaking Wi-Fi names and passwords, meaning now is a good time to change your Wi-Fi passcode. The site, intended to help new customers set up new routers, could easily be fooled into revealing the location of and password for any customer’s Wi-Fi network. A customer ID and a house or apartment number was all would-be attackers needed to get full access to your network, along with your full address.
  • Update Fedora Linux using terminal for latest software patches
  • Patch for New Spectre-Like CPU Bug Could Affect Your Performance
  • container_t versus svirt_lxc_net_t

today's howtos

Red Hat News

  • “Ultimate Private Cloud” Demo, Under The Hood!
    At the recent Red Hat Summit in San Francisco, and more recently the OpenStack Summit in Vancouver, the OpenStack engineering team worked on some interesting demos for the keynote talks. I’ve been directly involved with the deployment of Red Hat OpenShift Platform on bare metal using the Red Hat OpenStack Platform director deployment/management tool, integrated with openshift-ansible. I’ll give some details of this demo, the upstream TripleO features related to this work, and insight around the potential use-cases.
  • Discover the possibilities of hybrid cloud during a joint virtual event with Red Hat & Microsoft [Ed: [Ed: When Red Hat pus Microsoft executives at top positions inside Red Hat...]
  • Red Hat OpenStack Customer Survey 2018: containers, technical support top of mind
    In 2016, we surveyed our customer base on their use of OpenStack in production, getting a pulse-check on the top considerations, expectations, and benefits of a Red Hat OpenStack Platform deployment. With 2018 marking five years of Red Hat OpenStack Platform, we checked back in with our customers to see if their experiences or expectations of OpenStack have changed. Our survey found:
  • Red Hat CEO Jim Whitehurst On How He Plans To Win The Container Market
  • Juniper, Red Hat Tighten Integration to Fend Off VMware
    Juniper Networks and Red Hat have tightened their integration efforts in a move to help ease enterprise adoption of cloud-native platforms and bolster their own offerings against the likes of VMware and Cisco. The latest platform integration includes the Red Hat OpenStack Platform; Red Hat’s OpenShift Container Platform running as a platform-as-a-service (PaaS) on top of or next to the OpenStack platform depending on deployment architecture; and Juniper’s Contrail Enterprise Multi-Cloud platform running as the networking and security layer to unify those together. This integration is designed as a managed system to help deploy and run applications and services on any virtual machine (VM), container platform, and any cloud environment.
  • Red Hat OpenStack HCI Targets Telco Hybrid Cloud, 5G Deployments
    Red Hat today rolled out a hyperconverged infrastructure (HCI) platform based on OpenStack compute and Ceph storage. The new product targets service providers looking to deploy virtual network functions (VNFs) and 5G technologies on top of open source software. Launched at this week’s OpenStack Summit, the Red Hat Hyperconverged Infrastructure for Cloud combines Red Hat OpenStack Platform 13 and Red Hat Ceph Storage 3 into one product. Red Hat says it is the largest contributor to both open source projects.
  • Red Hat Hyperconverged Infrastructure for Cloud Bridges Datacenters and Edge Deployments
  • GSoC 2018: Week 1
    This time, I am working on improving the Fedora Community App with the Fedora project. It’s been a week since we started off our coding on may 14. The Fedora App is a central location for Fedora users and innovators to stay updated on The Fedora Project. News updates, social posts, Ask Fedora, as well as articles from Fedora Magazine are all held under this app.

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