Differenze

Queste sono le differenze tra la revisione selezionata e la versione attuale della pagina.

--- vlsi:workbook:computing:remote [22/08/2013 20:05]
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+++ vlsi:workbook:computing:remote [09/04/2014 17:14] (versione attuale)
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@@ Linea 162: / Linea 162: @@
    * //[[http://www.linux.ucla.edu/~phaethon/xming_cadence/xming_cadence.html]]//
-===== Remote desktop access with NX Client =====
+====== Remote desktop access with NX Client ======
 NX Client dovrebbe essere.... piu' veloce! e quindi si dovrebbe riuscire
 ad aprire cadence anche con meno banda! Esiste per Mac, Linux e Windows
-tranquillamente
+tranquillamente. Peccato che NX client funziona SOLO se sulla macchina
+su cui voglio collegarmi eltxxx.to.infn e' installato e correttamente configurato
+NX server !!!!!!
 As an alternative to a SSH connection, you can try a remote desktop access with the
-NX Client tool. Only a limited number of simultanous connections are allowed, thus
+NX Client tool.
-there is no guarantee that you can access the server at any moment.
 To set a remote desktop access, you must install the NX Client for Windows or NX Client
 for Linux in your computer. In the case of Windows, you must also install the "nxfonts-75dpi"
@@ Linea 182: / Linea 183: @@
+====== Setting up a VNC connection ======
+Page:
+[[vlsi:workbook:computing:remote:vnc|VNC VLSI]]
@@ Linea 197: / Linea 205: @@
 through a simple ''ssh''.
-However, sometimes you might need to access your VLSI account at home or from another insitute.
+However, sometimes you might need to access your VLSI account at home or from another institute.
 To do this, you must first connect through <nowiki>SSH</nowiki> to a machine of the INFN computing cluster.
 If you don't have an INFN computing account read [[computing_accounts|here]] how to obtain it.
@@ Linea 250: / Linea 258: @@
 [[http://en.wikipedia.org/wiki/SSH_File_Transfer_Protocol|SSH File Transfer Protocol (SFTP)]]
 programs can be performed.
+:!: //**Note**// \\
+It's possible to disable ''scp'' and ''sftp'' and have only SSH access, quindi
+tutto il seguito ha senso solo se la remote machine e' configurata per permetter scp/sftp!
+Il permesso viene definito nel file di configurazione di ssh ''/etc/ssh/sshd_config''
+<code>
+# override default of no subsystems
+Subsystem	sftp    /usr/libexec/openssh/sftp-server
+</code>
+Se questa linea e' commentata... allora niente scp/sfp sulla macchina!
 ===== =====
@@ Linea 597: / Linea 619: @@
 \\
 **Performing <nowiki>SSH</nowiki> login and SCP without password**
+:!: //**Note**// \\
+Tutto questo funziona SOLO se ''/etc/ssh/sshd_config'' sulla server machine e' stato configurato per
+permettere il login con un certificato!
+<code>
+#PubkeyAuthentication yes
+</code>
+di default e' commentato!
 Enter your password every time you want to ssh into you machine is quite annoying!
@@ Linea 662: / Linea 696: @@
 [[http://www.thegeekstuff.com/2008/06/perform-ssh-and-scp-without-entering-password-on-openssh/]]
-\\
-\\
-**Viewing images from the command line**
-If you need to view any image but you can only use the terminal,
-use the //Eye of GNOME// image viewer, which is the official image viewer
-for the GNOME Desktop environment and available on all Scientific Linux dictributions.
-Use the ''eog'' command,
-<code>
-which eog
-/usr/bin/eog
-</code>
-To open an image,
-<code>
-cd /path/to/image
-eog fileName.png
-</code>
-See also \\
-[[http://projects.gnome.org/eog/]]
 ====== ======