Virtual Ethernet devices of the OpenVZ VM’s inside ProxMox is connected to a bridge. After installing ProxMox and creating virtual nodes, I found that public ips allocated inside VM’s were not reachable to world.
A quick fix for this issue is to ensure that Proxy ARP and IP Forwarding is configured fine.
Check these lines:
# ifconfig vzbr0 [...]
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To reset the password of postgres user follow the instructions given below.
First change the password of system user postgres:
# passwd postgres
Changing password for user postgres.
New UNIX password:
Retype new UNIX password:
passwd: all authentication tokens updated successfully.
Now, its time to change the password of postgres user in database.
Login as postgres user at console
#su postgres
Now enter the [...]
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Still running some old boxes on Redhat 9? Here is a way to get it upgraded.
Caution: Try this at your own risk
Before proceeding, make sure all your hardware is supported by your chosen target OS
Upgrade Red Hat 9 to CentOS 3.x:
1. Make a full backup of all your data
2. Import GPG Keys: rpm –import http://mirror.centos.org/centos/3.4/os/i386/RPM-GPG-KEY-CentOS-3. Install/Upgrade [...]
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If you’re new to work with PostgreSQL, surely you will come across this issue while logging into postgres via psql command.
# psql -U postgres postgres
psql: FATAL: Ident authentication failed for user “postgres”
You might have installed PostgreSQL freshly. Reading through its configuration documentation might through some light on resolving this issue. First check and confirm that [...]
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You might have been searching for instructions to reinstall grub after upgrading or reinstalling Windows on your systems to get your Ubuntu booting once again. Here are the steps.
Boot to the 9.10 Karmic LiveCD Desktop.
Open a terminal - Applications, Accessories, Terminal.
Determine your normal system partition – (the switch is a lowercase “L”) sudo fdisk -l
If you aren’t [...]
Many of you might be wondering why I started posting Kannada blog posts here on Platonic. Sorry about that. I was just playing around with my blog to see how I can keep a copy of my Kannada posts here on a separate page. But it took a while to find quick solutions.
Anyways, now you [...]
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