A week ago, my file server didn’t start anymore. After attaching screen and keyboard, the following message appread: error: file not found. grub rescue> After trying to reinstall grub by booting from a live cd, the problem still existed. It wouldn’t boot. Since everybody fixes his grub by reinstalling and reconfiguring it, I missed an [...]
All posts in category Server Administration
Grub2 can’t load stage2
Posted by schmijos on November 2, 2011
http://www.miraculum.ch/2011/11/02/grub2-cant-load-stage2/
Xampp Apache Doesn’t Start
On a xampp installation on windows, you can start the apache web server per control panel. If it stops after a short period indicating the status “starting…” you may have the same problem I had: Port 80 is occupied by another service. In my case it was Skype which per default binds to port 80. [...]
Posted by schmijos on October 8, 2011
http://www.miraculum.ch/2011/10/08/xampp-apache-doesnt-start/
Cant Mount Samba Share More Than Once
On my samba server I had the problem, that just one user at the time could access the share. I had security=user activated. The log file under /var/log/samba/log.smbd said at the last line: smbd_open_once_socket: open_socket_in: Address already in use (Die Adresse wird bereits verwendet) I googled it and stumbled over a very different topic describing [...]
Posted by schmijos on August 6, 2011
http://www.miraculum.ch/2011/08/06/cant-mount-samba-share-more-than-onc/
Mounting Failure Because of 32bit Limit
Recently I set up a Debian Squeeze on a 20TB RAID5 fileserver. When I tried to set up the xfs file system with partman, the following message appeared: Der Versuch, ein Dateisystem vom Typ xfs auf /dev/sda als /srv einzubinden, ist fehlgeschlagen. or in english: The attempt to mount a file system with type xfs [...]
Posted by schmijos on July 30, 2011
http://www.miraculum.ch/2011/07/30/mounting-failure-because-of-32bit-limit/
RAID0 Performance Test
Recently I had to compose a file server for high load LAN read access. My first thought was to implement a RAID 0 over 4 harddisks. I took a dual core 2.5GHz CPU and 2GB of RAM. I attached four 500GB SATA drives to the mainboard and then I installed Debian 6 Squeeze on a [...]
Posted by schmijos on July 27, 2011
http://www.miraculum.ch/2011/07/27/raid0-performance-test/
vsftpd with mysql backend on Debian Squeeze
Hi there Yesterday I had to set up an ftp server using a mysql database as a storage for the user credentials. The first barrier was to choose the optimal ftp server. Actually I didn’t search long for comparizons between the different options. I just took the one, I empirically thought to be the best. [...]
Posted by schmijos on April 5, 2011
http://www.miraculum.ch/2011/04/05/vsftpd-with-mysql-backend-on-debian-squeeze/
SSH-Terminal: You have new mail
If I log in to my fileserver per SSH, I get the usual MOTD (message of the day) plus a message saying “You have new mail” (“Sie haben neue Nachrichten”). After some googleing I found out, that I had to type in the following to see this “mail”: Very self-explanatory Then a console mail client [...]
Posted by schmijos on March 27, 2011
http://www.miraculum.ch/2011/03/27/ssh-terminal-you-have-new-mail/