Archivio tag: statistics

Bookmarks for 26 ago 2014 from 10:58 to 11:18

These are my links for 26 ago 2014 from 10:58 to 11:18:

  • okvm – Open source KVM over IP technology – The okvm project team in 2005 developed an open source okvm KVM Development Kit – so engineers could cost effectively roll their own integrated KVM over IP control appliances. These okvm KVM Development kits included: one okvm PCI KVM Adapter card the okvm KVM over IP software source code the source information needed to manufacture the okvm PCI KVM Adapter card (circuit diagrams, BOM,PCD layout etc) A number of the KVM PCI cards were produced – sponsored by Opengear. However this project did not find traction in the developer community. So kits are no longer available and development in this branch of the project has stopped. Also Opengear now sells a proprietary KVM over IP solution!
  • Exotic VPS – Listing offshore and exotic VPS hosts in Asia, South America, Europe, Africa
  • Interactive map of Linux kernel
  • Riemann – A network monitoring system – Riemann aggregates events from your servers and applications with a powerful stream processing language. Send an email for every exception raised by your code. Track the latency distribution of your web app. See the top processes on any host, by memory and CPU. Combine statistics from every Riak node in your cluster and forward to Graphite. Send alerts when a key process fails to check in. Know how many users signed up right this second. Riemann provides low-latency, transient shared state for systems with many moving parts.
  • https://nav.uninett.no/#!features – Designed by Scandinavians, this free software makes network administration feel like flying.

Bookmarks for 19 lug 2012 through 20 lug 2012

These are my links for 19 lug 2012 through 20 lug 2012:

  • Mail server statistics – The statistics are based on completely anonymous information and were performed using randomly chosen IP addresses. When connecting to a mail server defined as an MX in the domain configuration, it can reply in a different number of ways. It may not be online, or may be refusing connections. Also, it is possible that the server does not respond back with a "220" line within the period of time we wait, nor provide a banner that identifies the type of the software running on it, at all times.
  • Setting up backup mail exchange server with sendmail « Building systems that WORK – Setting up backup mail exchange server with sendmail

    Most systems admin is used to setting up the primary mail server, but many of them (like me) are not used to setup a backup mail server in a regular basis. This is my attempt to create a complete document on setting up a backup mail server and testing it for the dooms day. […]

  • Migrate website content using ssh + tar (quick and easy) « my two cents – There are times when you cannot create an intermediate tarball when moving your website due to lack of disk space. There are other times when you wanna be smart

Bookmarks for 28 giu 2012 through 1 lug 2012

These are my links for 28 giu 2012 through 1 lug 2012:

  • Linux Training – Paul Cobbaut has written an in-depth series on learning Linux for novice sysadmins or just those curious about the command line. Beginning with setting up a virtual machine for the lessons, the guide proceeds to cover a massive amount of material, including:
    FHS, Bash, vi, users, groups, file permissions, ACLs, file links, processes, pipes, filters, scripting, disks, partitions, file systems, mounting, UUID, RAID, LVM, GRUB/LILO, init, kernel, libraries, TCP/IP, bonding, SSH, inetd, xinetd, OpenSSH, nfs, at, cron, syslog, installation, packages, backup, performance, iptables, Samba, MySQL, SELinux, Apache, Squid, IPv6, and DNS/BIND.
    Formats include HTML, PDF, and DocBook source.

    [via http://tinyapps.org/blog/nix/201206250715_linux_course.html ]

  • home | movies.io – movies.io combines a pleasant and great-looking user interface with all the functionality needed to find and collect the best films out there.

    Sign in, and you'll be able to create watchlists, edit them with your friends, and subscribe to their RSS feeds for automatic download.

  • FTPbox – File syncing on your own host – FTPbox is an open-source application that allows you to synchronize your files to your own host, via FTP. This way, you can access your files anywhere, without having to pay for disk space on some 3rd-party website!
  • Graphite – Scalable Realtime Graphing – Graphite – Graphite is a highly scalable real-time graphing system. As a user, you write an application that collects numeric time-series data that you are interested in graphing, and send it to Graphite's processing backend, carbon, which stores the data in Graphite's specialized database. The data can then be visualized through graphite's web interfaces.

    [ via http://www.zarrelli.org/ ]

Bookmarks for 30 dic 2011 through 2 gen 2012

These are my links for 30 dic 2011 through 2 gen 2012:

  • fahd.blog: Find Blocking Processes Using sp_who [Sybase] – If a user has executed an insert/update on a table, but not committed the transaction, other users will find that their queries on the same table hang. This is because the table has been locked and the first user's process is blocking everyone else's.
  • Pocket Survival Guide – NetApp
  • 30 Best Sources For Linux / *BSD / Unix Documentation On the Web – Here are thirty best documentation sites on the web for learning Linux and Unix like operating systems.
  • OpenShift by Red Hat – What is OpenShift?
    OpenShift, is a portfolio of free, portable cloud services for deploying and managing applications in the cloud. Currently there are two application deployment services offered as part of OpenShift; Express & Flex.

    What is OpenShift Express and when should I use it?
    Express is a free, cloud-based application platform for Java, Perl, PHP, Python, and Ruby applications delivered in a shared-hosting model. With just a few commands you’ll be able to deploy your application to the cloud.

    What is OpenShift Flex and why should I use it?
    Flex is a cloud-based application platform for Java EE and PHP. Applications can be deployed on middleware components such as JBoss and Tomcat. Flex is an ideal platform for those who require a greater degree of control and choice over their middleware components with valuable features including versioning, monitoring and auto-scaling.

  • saidar – saidar is a curses-based tool for viewing the system statistics available through libstatgrab. Statistics include CPU, processes, load, memory, swap, network I/O, disk I/O, and file system information.

    "like a small nmon"
    [ via http://www.spippolazione.net/index.php/2011/12/30/saidar ]