Last week I had to upgrade one of our old RHEL3 servers in order to get it to address disks larger than 2TB. I did the upgrade from CD, and it went fairly smoothly, except up2date would not run after the box came back up.
It gave me the following error:
[root@x up2date]# Traceback (most recent call [...]
At least in RHEL 4, the fdisk command does not support the creation of filesystems larger than 2TB. In order to get around it, you have to use the parted command. I found the basic info here, but this is the long and short of how to cut off a big ol’ slice of disk [...]
For one reason or another RHEL does not disallow incoming ssh connections as root. This is, of course a glaring security problem which should be addressed for all systems that allow ssh connections to be made from any but the most restricted networks.
The best practice, of course, would be to make the initial ssh connection [...]
When many new servers are delivered from the factory, the system clock is way off. Most UNIX systems run “ntpd” to keep the time in sync with internet time servers, which are, in turn synchronized against an atomic clock. This results in a system time that is very very close to the “actual” time of [...]
So you’ve got Oracle 10G and you want to install it on your RedHat Enterprise 3 server. Well, since Oracle can’t manage to create tar files like everyone else in the world, you have to find a way of dealing with the .cpio they send you. Here’s how to get it extracted:
cpio -idmv < /path/to/ship-version.cpio
This [...]
