Secure shell (ssh) connection without password

Let’s assume we have two Linux running machines, one of them is ‘client’ and other is ‘server’. Task lies in allowing client to access server via ssh securely without a need to type password by hands. It’s usually useful to perform some operations that are to be done without user intervention (for example copying backup data files from client to server through ‘scp’).First of all it’s necessary to make sure […]

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Lingvo dictionaries with Stardict

I think that the best open source off-line dictionary is Stardict. It’s absolutely free, it’s very user friendly and, of course, it supports a huge amount of dictionaries which allow to translate words and phrases into many directions. Few will deny that there is no better Russian-English and English-Russian dictionary than Lingvo, but shame on it’s developers — it’s for Window$ only. This problem can be solved rather simply by […]

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Autostart programs in Ubuntu

Ubuntu newbies sometimes ask how to add certain program into startup or autostart. Actually it usually happens with ex-Windows users Answer: To make program start just after user logins Gnome, go to “System” menu, then choose “Preferences” and select “Sessions”: Then press button “Add”, type application name, command to start it (it’s location like /usr/sbin/local/liferea), and press “Ok” and then “Close”. After next login to Gnome application will start. It […]

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How to create custom linux ISO image?

It’s rather trivial task to make some changes into already burned installation or live CD. It may be performed to add some files to this CD or edit files on it. In any case it’s impossible to loop mount .iso file and then save it as iso9660 filesystem is read-only. So, just mount your CD or iso image to some directory by commands: sudo mkdir /mnt/image sudo mount /dev/cdrom /mnt/image […]

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FAQ: How to find out CPU load in Linux?

It’s rather trivial task to get information about how much of CPU time is consumed by Linux operating system, its components or various software it runs, but thankfully there are numerous utilities making it possible to get it. Some of them are included into certain Linux distribution, other aren’t but most of tools listed below can be used to find out CPU utilization statistics: 1. top top is very old […]

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