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If you manage remote machines you have for sure some way to connect to them, to connect to Unix machines I’m used to open a terminal with my favorite terminal emulator (Terminator in these days), and from there ssh to other servers, for Windows RDP protocol as client i use Remmina (perhaps i’ll talk of it in a future article) and for FTP and SFTP i use Filezilla, but i’ve found recently another interesting software that could change my habitudes: PAC Manager, where PAC stand for Perl/Gtk approach to connections managing.
Ah, and i know that the title it’s in broken English, the phrase it comes from an old videogame.
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In the 3 former articles of this series we have saw OCSInventory, Fusion Inventory and GLPI 3 software that can create an asset inventory with your computers hardware and software.
Today we’ll take a look at another software: Uranos (Unattended Resolution in A Nutshell – OS).
Unattended Resolution in A Nutshell – OS is an open source software that will let you perform Asset Management, Monitoring, Software Distribution,Unattended tasks. It’s free for both personal and commercial use and released under GPL license.
The project it’s active and the last version (at the moment of the writing of this post) it’s the 1.1913 released on 22 December 2011
I think that a lot of computer user are now used to the concept of copy on the “Cloud”, with tools like Dropbox or Ubuntu One, you can have the same file saved in multiple computers (also with a different operating system) and at the same time have a copy of it on the Cloud.
Usually you get some free space to start and if you need more you have to pay a monthly or yearly price, but these concepts where already there and available for Linux with Unison.
Unison is a file-synchronization tool for Unix and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating the changes in each replica to the other.
The latest stable version, is 2.40.63. It is available as source code and precompiled binaries for Linux, Win32 and Mac OS X.
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Sometimes in my small shell script i’ve to do some math, usually nothing too complex but it’s useful to do the math inside the bash script. Bash it’s really complete and among the many builtin functions there are also some mathematical functions.
Using the syntax $((expression)) you can evaluate the expression. Operations allowed are quite a few. From man bash:
ARITHMETIC EVALUATION
The shell allows arithmetic expressions to be evaluated, under certain circumstances. Evaluation is done in fixed-width integers with no check for overflow, though division by 0 is trapped and flagged as an error. The operators and their precedence, asso ciativity, and values are the same as in the C language.
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