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November 5, 2009

how to use users-admin remotely on Ubuntu

Lately I had the necessity to create an account and modify another one on an Ubuntu box at work. I've regularly logged on via a ssh -X shell and gave the command sudo users-admin resulting in a "blocked" window ... I mean one on which I wasn't able to unlock the command via an administrative password input.

After a little diggin' on the web I found that the solution is in giving this command:

sudo ck-launch-session users-admin &

which will ask you the administrative password and make the commands on the appearing window

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Filed under  //   bash   how-to   remote   sysadmin   ubuntu  

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November 2, 2009

Grsync:mac
via grsync-mac.tuxfamily.org

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Filed under  //   macosx   rsync   software   sysadmin   tools   utility  

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November 2, 2009

fwBackups

via diffingo.com

 

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Filed under  //   backup   GNU/Linux   rsync   software   sysadmin   tools  

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October 25, 2009

CoRD: Remote Desktop for Mac OS X

Macs interact well with Windows, and with CoRD the experience is a bit smoother. Great for working on the office terminal server, administrating servers or any other time you'd like your PC to be a bit closer without leaving your Mac. CoRD allows you to view each session in its own window, or save space with all sessions in one window. Scale session windows to whatever size fits you—the screen is resized automatically. Enter full screen mode and feel like you're actually at the computer. The clipboard is automatically synchronized between CoRD and the server. For system administrators, CoRD creates a simpler workflow by allowing you to save server information, then quickly connect to that server by using HotKeys or the server drawer. This makes quickly connecting to a specific server easy, even when managing many servers.
via cord.sourceforge.net

 

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Filed under  //   macosx   microsoft   opensource   osx   rdesktop   rdp   software   sysadmin   tools   vnc  

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October 11, 2009

Mac, Enterprise

The MacEnterprise project is a community of IT professionals sharing information and solutions to support Macs in an enterprise. We collaborate on the deployment, management, and integration of Mac OS X client and server computers into multi-platform computing environments. We welcome your participation through suggestions, comments or contributions.
via macenterprise.org

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Filed under  //   apple   deploy   enterprise   mac   macosx   osx   social networks   sysadmin  

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October 5, 2009

RHEL, failed to add iptables rule to allow DHCP requests from 'virbr0'

I've just updated my RHEL 5.3 box with the last months' updates moving it to the 5.4 release.

Just after the yum update finished I've begun to receive a LOT of messages containing

OBJECT: python /usr/share/rhn/virtualization/poller.py

BODY: libvir: QEMU error : failed to add iptables rule to allow DHCP requests from 'virbr0' : Invalid argument


The solution to that, after a yum whatprovides "*/poller.py" was to remove any instance of the rhn-virtualization-host from my machine (since I do not have any virtualization need).

Cheers,

     Nicola

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Filed under  //   GNU/Linux   kvm   linux   qemu   RHEL   sysadmin   virtualization   xen  

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October 4, 2009

Canonical certifies Ubuntu 9.04 Server Edition on latest HP ProLiant servers

Canonical certifies Ubuntu 9.04 Server Edition on latest HP ProLiant servers
via ubuntu.com

 

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Filed under  //   canonical   hardware   HP   Proliant   server   sysadmin   ubuntu  

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September 26, 2009

Many Tricks · Service Scrubber

One of the most underestimated features of Mac OS X is the services menu, which lets you perform actions on the current selection, regardless of the application you're currently working in. These actions include opening a URL in your browser, sending a snippet via mail, having text read to you, and so forth.

Unfortunately, all kinds of applications add their own entries to the services menu, making that menu grow incessantly. For most users, it has in fact grown beyond the point of usability a long time ago. And we haven't even addressed keyboard shortcut issues here.

 left: Raw services menu
middle: Scrubbing
right: Scrubbed services menu
via manytricks.com

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Filed under  //   macosx   software   sysadmin   tools  

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September 24, 2009

Carbon Copy Cloner

via bombich.com

.. has renewed it's site (and relased a new version). Check it out!

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Filed under  //   apple   apps   downloads   macosx   osx   recovery   sysadmin   tools  

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September 22, 2009

Nagios is RedHat's Standard Alerting System

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Nagios

The Nagios Community is happy to inform that Nagios is used as RedHat's standard alerting system. Nick Otto gave a presentation at the RedHat Summit in Chicago earlier this month, in which he covers Nagios and other great OSS tools that are used inside one of the front-runners in commercial Open Source.

via nagios.org

 

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Filed under  //   GNU/Linux   monitoring   nagios   redhat   RHEL   sysadmin  

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