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Showing posts from 2009

rpm Linux CentOS Fedora cheat-sheet

rpm is a powerful Package Manager for Red Hat, Suse and Fedora Linux. It can be used to build, install, query, verify, update, and remove/erase individual software packages. A Package consists of an archive of files, and package information, including name, version, and description: Syntax Description Example(s) rpm -ivh {rpm-file} Install the package rpm -ivh mozilla-mail-1.7.5-17.i586.rpm rpm -ivh --test mozilla-mail-1.7.5-17.i586.rpm rpm -Uvh {rpm-file} Upgrade package rpm -Uvh mozilla-mail-1.7.6-12.i586.rpm rpm -Uvh --test mozilla-mail-1.7.6-12.i586.rpm rpm -ev {package} Erase/remove/ an installed package rpm -ev mozilla-mail rpm -ev --nodeps {package} Erase/remove/ an installed package without checking for dependencies rpm -ev --nodeps mozilla-mail rpm -qa Display list all installed packages rpm -qa rpm -qa | less rpm -qi {package} Display ...

a new disease, syndrome ... X=X+1

After long time again. I am trying to make a promise to myself that I should blog at least couple of times a week. As always there are excuses. Anyway ..... couple of funny things is going on during this period of world-wide recession. I am watching one in particular in USA . This is within the Indian (Desi ... :) per say ) community is US. Of late a lot of Indians have started going back to India because of many different reasons one of them is of course this economic slowdown. People here in US have started spreading emails on this news. Apparently this makes us happy by knowing the fact that Indians are going back and we find strong reasons to start feeling that we should also go back "some day" ..... But when ???? a million dollar question .... I found another good blog on this and I am just copying it below ..... before you read that let me tell you the fact that I am happy to get a name for my so far no-name disease.... "X=X+1 syndrome" ----...

SubVersion (SVN) Tags, Branches and Trunk Concept

I have been recently working on SVN.... In past I worked with VSS, CVS and even more sophisticated Clearcase. The SVN world in new to me... here is some basic concepts of SVN tags, branches and trunk : Subversion (SVN hereafter) is a version managament system designed as a replacement for, and general improvement on, CVS. Subversion is designed to be a distributed, concurrent, expandable version control system. Directory structures When you import a project into Subversion, or start one there, it is recommended that you change your directory structure around a little to accomodate how Subversion handles "tags" and "branches". There are three things to note at this point: the first is that this restructuring isn't neccessary, but recommended, to make your life easier. The second is that Subversion doesn't have "tags" and "branches" per se, as CVS does, but only has copies. Some SVN people you talk to will use the words "tags...