Asus Eee 1101HA hangs

I have just bought an Asus Eee 1101HA and (after compiling a custom kernel with the correct drivers) it is working almost perfectly. Sometimes the whole system just hung and after a keypress the hung had gone and it was OK for a while until the next hang…

This had been happening in console and under [...]

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LVM boot issue on Debian Linux with initramfs-tools

Although the format /dev/[vg_name]/[lv_name] format is easier to read when you got plenty of VGs (compared to /dev/mapper/[vg_name]-[lv_name]), it won’t work at boot.

This is the few lines of default initramfs script which is responsible for the behaviour described above:
/usr/share/initramfs-tools/scripts/local-top, from line 40:

# Make sure that we have a d-m path
vg=${vg#/dev/mapper/}
if [ "$vg" = "$1" ]; [...]

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5853:0001 XEN device

5853:0001 is a XEN HVM virtual SCSI adapter.

Source: https://code.ticketmaster.com/trac/browser/spine/trunk/lib/Spine/Plugin/SystemInfo.pm?rev=123#L225

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ORA-19502, ORA-27072 during RMAN restore (Oracle)

I was trying to load database from an RMAN backup (duplicate database until …), and the restore process died after some time, and gave me the following error messages (I have tried it several times, with different backups, these repeated randomly):

ORA-19502: write error on file “/path/to/datafile.dbf”, blockno 1669073 (blocksize=8192)
ORA-27072: File I/O error
Linux Error: 2: No [...]

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Bootsplash patch for Linux kernel 2.6.32

Although the Bootsplash has been superseded by Splashy many of us liked Bootsplash. I was unable to find a patch for 2.6.32, so I made one from the patch for 2.6.30.

http://dev.kakaopor.hu/stuffs/bootsplash-3.1.6a-2.6.32.diff

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PHP4 and PHP5 per VirtualHost on the same Apache 2 webserver

I assume you have a working Apache 2 installation with PHP4 modules installed, if not run the following and you will have:

sudo apt-get install apache2 apache2-mod-php4

Note: you can also have PHP5 installed as module and PHP4 as CGI, everything works the same way with swapping the versions in commands.

First of all you will need the [...]

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I have forgot the password of MySQL’s admin user – how to recover?

If you have accidentaly locked out yourself, or just forgot your password for the admin (root) user of the MySQL, here is a quick-and-dirty solution.

First you have to shut down the MySQL server, next you need to start it in safe mode with no priviliges table loaded, update the password to a new one, and [...]

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early-ssh updated to v0.2 (for Debian as well:)

I have updated the early-ssh to version 0.2. This includes just a few bugfixes and new features, including scp support.

You can download the new version from http://dev.kakaopor.hu/early-ssh/

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How to unlock crypto root partition in Debian Linux over SSH (and more)

Early-ssh is a simple initramfs-tools hook script which provides an SSH server at boottime (in the initramfs) before the root filesystem gets mounted, so you will be able to do a numerous things, such as:

unlocking crypto devices – even your root can be an encrypted filesystem
assembling/altering mdadm RAID arrays
checking the root filesystem in read-write mode, [...]

Posted in: Uncategorized by kakaopor 3 Comments , ,

Minimal things needed for SSH login on Debian Linux

I was unable to find a place where all these things are collected, so I have decided I will write it down here.

So I am currently working on a little project where I need to have SSH access during the boot (on the initrd system). The following things are needed to create a working – [...]

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