debsecan – The debsecan program evaluates the security status of a host running the Debian operation system. It reports missing security updates and known vulnerabilities in the programs which are installed on the host. debsecan accesses the dpkg database and obtains a list of installed packages and their versions. This list is then evaluated against a feed of vulnerability information which ultimately comes from a database maintained by Debian's Testing Security Team . Various output formats are supported, including incremental reporting via email. Beginning with version 0.2, debsecan includes a script called debsecan-create-cron, which allows you to create a cron job which periodically sends you mail (once per day) when the security status of the system changes.
Barriers, Caches, Filesystems | monolight – With the recent proliferation of ext4 as the new “default” Linux filesystem there’s been much talk of write barrier support. The flurry of post-2.6.18 barrier related development in most storage subsystems has left some novice users and administrators perplexed. I hope I can clear it up a bit with this primer/refresher.
SMTP, testing via Telnet – FreeBSDwiki – When troubleshooting problems with SMTP service – your own, or others – it is frequently very helpful to be able to "speak" to the SMTP server directly, rather than going through a mail client which won't necessarily tell you exactly what the SMTP server is saying. You can easily do this with the telnet client. Note that many ISPs do not allow outbound connections on port 25 to any SMTP server but their own – if you get timeouts when trying to connect to port 25, you should try port 587, which is the standard ESMTP port. (Port 587 connections normally require SMTP AUTH, which is covered below.)
These are my links for 26 ago 2014 from 10:04 to 10:43:
Observium – Observium is an autodiscovering network monitoring platform supporting a wide range of hardware platforms and operating systems including Cisco, Windows, Linux, HP, Juniper, Dell, FreeBSD, Brocade, Netscaler, NetApp and many more. Observium seeks to provide a powerful yet simple and intuitive interface to the health and status of your network. Observium Open Source is available free and open source. Observium Professional adds rapid patches, security fixes and additional features and hardware support for a small yearly license fee.
A Visual Expedition Inside the Linux File Systems – [...] This is an exercise in visualization and kernel exploration. I'm not an expert in either of them but I like file systems and I also find great pleasure in creating visual representations of the things around me [...]
Greyhole – Redundant Storage Pooling using Samba – An application that uses Samba to create a storage pool of all your available hard drives, and allows you to create redundant copies of the files you store, in order to prevent data loss when part of your hardware fails.
PUB1.DE – the largest public and free AS/400 on the internet – Welcome to PUB1.DE – your public AS/400 for everyone. This server is free for use for every registered user, for developers and people interested in IBM iSeries technology. If you need more options, visit RZKH GmbH for affordable options, no matter if you need a single user profile or multiple dedicated servers.
Facette: Time series data visualization and graphing software – Facette is a time series data (called metrics) visualization software, it doesn’t collect nor store these data on its own. Through providers, it inventories other collect/storage tools’ local metrics, and queries those remote storage resources when the user requests time series data to be displayed on a graph.
These are my links for 25 ago 2014 from 15:03 to 17:25:
Passwordless – A node.js/express module for token-based logins – Token-based authentication middleware for Express & Node.js [...] Passwords are broken. Inspired by Justin Balthrop's article Passwords are Obsolete token-based one-time password (OTPW) authentication is faster to deploy, better for your users, and more secure. [...]
Mounty for NTFS – A tiny tool to re-mount write-protected NTFS volumes under Mac OS X Mavericks in read-write mode.
tinc wiki – tinc is a Virtual Private Network (VPN) daemon that uses tunnelling and encryption to create a secure private network between hosts on the Internet. tinc is Free Software and licensed under the GNU General Public License version 2 or later. Because the VPN appears to the IP level network code as a normal network device, there is no need to adapt any existing software. This allows VPN sites to share information with each other over the Internet without exposing any information to others.
AIXchange: More Resources for AIX Newbies – As I've noted previously, there are more newcomers to the AIX platform than you might imagine. A company may acquire an AIX system through a merger or replace an old Solaris or HP-UX box with a current IBM Power Systems model. As a result, one of their IT pros suddenly becomes the AIX guy. So, now what? How does an AIX newbie get up to speed with virtualization and AIX?
These are my links for 7 ago 2014 through 17 ago 2014:
jordansissel/fpm – Effing package management! Build packages for multiple platforms (deb, rpm, etc) with great ease and sanity.
Linux incrond inotify: Monitor Directories For Changes And Take Action – I want to copy (rsync to remote server) a directory tree whenever file uploaded or deleted in /var/www/html/upload/ directory under Linux operating systems for backup purpose and/or load balancing purpose without getting into complex file sharing setup such as NFS or GFS iscsi storage. How do I monitor /var/www/html/upload/ and its subdirectory for new files and executes rsync command to make copy back to www2.example.com:/var/www/html/upload/? inotify is an inode-based filesystem notification technology. It provides possibility to simply monitor various events on files in filesystems. It is a very much powerful replacement of (obsolete) dnotify. inotify brings a comfortable way how to manage files used in your applications. The incrond (inotify cron daemon) is a daemon which monitors filesystem events (such as add a new file, delete a file and so on) and executes commands or shell scripts. It’s use is generally similar to cron.
Use incron to Trigger Action when File Changes – There are some situations, when you need to start an action or run a command when a given file has changed in your file system. The real life example I have is as follows: I have a git repository, from where I manage this blog, I have a remote branch of it on the same server, from where Nginx serves this pages. I also have another remote branch in my Macbook Pro (With the correspondent Time Machine backup). But, I’m a paranoid guy, so I just want more backups. I decided I wanted to backup all my blog files to my Dropbox account.