Archive for 2008

 

 

Dec 21 2008

Synchronize Directories with Rsync and SSH

Published by under SSH

To copy or synchronize data across servers with SSH encryption benefits, run on the target: rsync -avz -e ssh remoteuser@remotehost:/remote/dir /local/dir/

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Dec 21 2008

Linux and Solaris Package Managers

Published by under Linux,Solaris

Here’s a package managers basic commands quick reminder/comparative for (in this order) – Linux Debian/Ubuntu, – Linux Redhat/Suse and – Solaris/OpenSolaris.   rpm and dpkg are basic package managers while yum (rpm) and apt-get/aptitude (dpkg) manage dependancies and (online) repositories.   # List ALL installed packages dpkg –list rpm -qa | grep rpm pkginfo   […]

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Nov 20 2008

Environment Variables and SSH

Published by under SSH

Very few environment variables are defined when connecting to a remote host with an SSH authorized key.   # ssh localhost env SHELL=/bin/bash SSH_CLIENT=127.0.0.1 53816 22 USER=dave MAIL=/var/mail/dave PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games PWD=/home/dave LANG=en_US.UTF-8 SHLVL=1 HOME=/home/dave LOGNAME=dave SSH_CONNECTION=127.0.0.1 53816 127.0.0.1 22 _=/usr/bin/env   To run a program calling libs from an unusual location, we’d need to redefine the […]

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