http://linux.blogs.com.np Sat, 29 May 2010 11:04:15 +0000 http://backend.userland.com/rss092 en Create a cpio archive: localhost% find path/ -depth -print | cpio -oaV > archive.cpio localhost% find path/ -depth -print | cpio -oaV -O archive.cpio Create a cpio archive and compress it: localhost% find path/ -depth -print | cpio -oaV | gzip -c > archive.cpio.gz Extract a cpio archive: localhost% cpio -imVd < archive.cpio localhost% cpio -imVd -I ... http://linux.blogs.com.np/2010/05/29/copying-with-cpio/ There have been quite a few requests on forums and blog posts on a few sites we frequent asking someone to figure out how to move a virtual machine from EC2 to VirtualBox or KVM. We’ve got quite a bit of experience working with KVM so we ... http://linux.blogs.com.np/2010/04/05/how-to-move-a-virtual-machine-from-ec2-to-virtualbox-or-kvm/ Putty from here. Download  PuttyGen from same link. Once installed, open Puttygen and create a new pair of keys by clicking the “Generate” button. You can keep all the options at their default settings. It might be a good idea to set a passphrase for your key. Then, save both ... http://linux.blogs.com.np/2010/02/22/passwordless-ssh-authentication-with-putty/ Many times I'll be at a site where I need remote support from someone who is blocked on the outside by a company firewall. Few people realize that if you can get out to the world through a firewall, then it is relatively easy to open a hole so that ... http://linux.blogs.com.np/2009/11/05/howto-ssh-back-door/ In this article, We review top 15 practical postgreSQL DBA command examples. 1. How to change PostgreSQL root user password ? $ /usr/local/pgsql/bin/psql postgres postgres Password: (oldpassword) # ALTER USER postgres WITH PASSWORD ‘tmppassword’; $ /usr/local/pgsql/bin/psql postgres postgres Password: (tmppassword) Changing the password for a normal postgres user is similar as changing the password of the root ... http://linux.blogs.com.np/2009/04/17/postgresql-dba-commands/ Upgrading openSUSE between releases while the system is running is not a currently supported method of upgrading. The supported method is to boot from an install medium and select the upgrade option. Nevertheless, it is possible to upgrade a running system. This is more difficult than normal with openSUSE 10.3 ... http://linux.blogs.com.np/2009/04/06/upgrading-opensuse-103-%e2%80%93-110-in-a-running-system/ You can ask emerge to use the masked version available in portage by setting the variable ACCEPT_KEYWORDS to ACCEPT_KEYWORDS="~x86" before running the emerge command. It makes sense to set a command alias in roots .bashrc that goes alias aemerge='ACCEPT_KEYWORDS="~x86" emerge'. The alias should be used for checking what version is the ... http://linux.blogs.com.np/2009/03/24/how-to-install-masked-packages/ You can select lines by pressing V, then moving the cursor down or up (with j or k). After selecting lines, press > to increase the indent, or < to decrease it. Then press . to repeat the action, or u to undo it. If you want the visual selection to ... http://linux.blogs.com.np/2009/03/12/indenting-selected-lines/ Editcap utility is used to select or remove specific packets from dump file and translate them into a given format. Editcap does not perform packet captures like ethereal. Instead, it operates on the captured packets and writes some of the required packets into another file. We can pass various ... http://linux.blogs.com.np/2009/03/05/editcap-guide-11-examples-to-handle-network-packet-dumps-effectively/ Apart from the basic operation of looking for files under a directory structure, you can also perform several practical operations using find command that will make your command line journey easy.In this article, let us review 15 practical examples of Linux find command that will be very useful to both ... http://linux.blogs.com.np/2009/03/05/15-practical-linux-find-command-examples/