psql: FATAL: Ident authentication failed for user "username" Error and Solution
Aug. 19th, 2008 by vivek
Q. I've installed Postgresql under Red Hat Enterprise Linux 5.x server. I've created username / password and database. But when I try to connect it via PHP or psql using following syntax:
psql -d myDb -U username -W
It gives me an error that read as follows:
psql: FATAL: Ident authentication failed for user "username"
How do I fix this error?
Answer to "psql: FATAL: Ident authentication failed for user "username" Error and Solution"
yum problems: Skip Packages With Broken Dependencies When Upgrading System
Aug. 18th, 2008 by vivek
Q. I made a mistake and added additional repo under CentOS / RHEL 5.x server. Now when I try to upgrade packages it gives me out broken dependencies / missing dependency error. How do I skip broken packages and apply updates to other installed software's?
Answer to "yum problems: Skip Packages With Broken Dependencies When Upgrading System"
Red Hat Linux Static Routing Configuration
Aug. 17th, 2008 by vivekQ. I've two network interface connected to two different routers as follows:
[a] eth0 LAN network 10.0.0.0/8 - gateway IP - 10.8.2.65
[b] eth1 ISP assigned network 202.54.22.128/28 - gateway IP - 202.54.22.129
I can only ping to public server but not to another servers inside LAN? I'm not able to route traffic via 10.8.2.65. How do I configure static routing under Red Hat Enterprise Linux 5.x or CentOS Linux 5.2?
Answer to "Red Hat Linux Static Routing Configuration"
View Installation / Uninstallation Script Inside The RPM File
Aug. 16th, 2008 by vivekQ. How do I view the pre / post installation or uninstallation script inside the RPM file called foo.rpm under Red Hat Enterprise Linux / RHEL / CentOS / Fedora / Suse Linux? How do I list the package specific scriptlet(s) that are used as part of the installation and uninstallation processes?
Answer to "View Installation / Uninstallation Script Inside The RPM File"
Linux: Recover Corrupted Partition From A Bad Superblock
Aug. 15th, 2008 by vivek
Q. How can I Recover a bad superblock from a corrupted ext3 partition to get back my data? I'm getting following error:
/dev/sda2: Input/output error
mount: /dev/sda2: can't read superblock
How do I fix this error?
Answer to "Linux: Recover Corrupted Partition From A Bad Superblock"
Linux: How To Copy and Paste From the Command Line
Aug. 12th, 2008 by vivek
Q. How do I copy and paste text or output from a shell prompt? How do I copy text from one terminal window and paste it on diffrent server window using mouse?
Answer to "Linux: How To Copy and Paste From the Command Line"
Linux: pathmunge Command in Shell Script
Aug. 12th, 2008 by vivekQ. I see pathmunge used in few scripts under Red Hat Enterprise Linux. Can you explain the use of pathmunge under RHEL / CentOS / Fedora Linux?
Answer to "Linux: pathmunge Command in Shell Script"
FreeBSD Find Out Network Card / Port Speed
Aug. 12th, 2008 by vivek
Q. Under Linux I can use Ethtool and mii-tool, but they are not available under FreeBSD. How do I tell the port speed of the nic under FreeBSD operating system?
Answer to "FreeBSD Find Out Network Card / Port Speed"
Linux Create a Custom Gnome Login Desktop Screen
Aug. 9th, 2008 by vivek
Q. I'd like to keep same login screen for my school Linux desktop system lab. How do I create a custom gnome login screen or menu under CentOS or Ubuntu Linux desktop systems?
Answer to "Linux Create a Custom Gnome Login Desktop Screen"
Ubuntu Linux Install GDesklets GNOME Program
Aug. 6th, 2008 by vivek
Q. How do I install GDesklets GNOME program under Ubuntu Linux to enhance my desktop?
Answer to "Ubuntu Linux Install GDesklets GNOME Program"
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