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PNG files not recognized in GNOME in Centos 5.4

Link to this post 21 Jan 10

In my instance of Virtualbox no OS has taken more than 25 seconds to boot in the past several year, but Centos took ~2 minutes that is insane for a modern distro. The slow boot issue isn't your computer it's some level in the boot process that I have not fully evaluated.

for reviewing the log files, the centos log file names aren't quite what I am used to but we can work around that, once you have su'ed into root mode you can enter the /var/log/messages directory by typing "cd /var/log/message" and review and of the files by typing "less {filename}". If you find a partial message from a program but don't know what log file to look at you can search the contents of all flies, lets say you want to search the logs for an error message that contains the work icon, you can type "grep -ri icon *", this tells the system to search all files in the current folder and the sub-folders for any file that contains the word icon in any case pattern, once you find something that matches you content you want you will see the filename on the left with a ":" between the filename and the message, you will then know what file to review with less.

Link to this post 22 Jan 10

This thing must be cursed. I checked all the log files (with your method and manually) and there's no frick'n error. I will post the messages log later. I also tried the procedure that you posted earlier, but when I put 'init 3' in the terminal the system's UI hangs - white x on black background. Everything still works in the background, but if I want to do anything a hard reset is required. Any other ideas?

Link to this post 22 Jan 10

With it hanging it definitely sounds like corrupt x11 files. You can try to re-install the gnome and xorg components, or to be safe you can reinstall the entire Os so you will overwrite all present files.

Link to this post 23 Jan 10

OK. I am psychologically preparing for having to reinstall the system (the easy way out :side: ) But before I do that I have a few questions:

Is there a way to reinstall this distro so it keeps the settings and config files? I mainly use this box as a web server - I use xampp for linux which I am very familiar with - so migration won't be a problem. I am more concerned about other customizations I made for I don't want to do anything from scratch. Next time I will make sure I will have everything backuped.
Can you please give me proper command for reinstalling xorg and gnome, so everything is by the book.

I guess it's wise to prepare a backup machine (or VM) and move my homepages to keep them online, before I reinatall. I read the article about P2V virtualization of existing machine - but it seems too complicated?

Last thing. I chose Centos because it's community version of redhat enterprise server with all its functionalities. Like I said I use the box mostly for the web hosting which can be done withy any linux distro, but I like to try to do the same things like I do e.g. with WIN2K3 server. So what is your opinion the best server (enterprise) edition linux based alternative to Win2K3, that has all services already bundled (without having to install additional packages), KDE and GNOME GUIs and is suitable for user like me (can customize config files, knows the file structure of linux, use the software, install and configure the software, mostly uses GUI but not totally unfamiliar with the terminal but not knowing how to troubleshoot and administer linux system YET:)

Thanks for your time and great support by the way.

Link to this post 23 Jan 10

You should back up your config files (usually stored in /etc/) to a remove system or external storage and then copy them onto the new installation over the "fresh" confiuration files.

I do not use centos so I cannot recommend the best ways to re-install gnome and xorg, but a short google search should point you to cases were others have done the same.

I generally stay away from enterprise editions of Linux distros because of the modifications done by the companies, in my research I have found many new vulnerabilities that have been introduced by their modifications that are distro dependent. If I were to push a public http server I would use the base install of openbsd with only apache installed, this would be a cli only system and non-linux based, but the security history with openbsd it seems to me to be the best fit for a high traffic machine like that. But for a Linux-based web-server I think that with your experience Ubuntu server would be a good fit because it is lighter-weight than traditional ubuntu and has additional security enhancements and a nice setup system that can setup a LAMP server by only choosing a single option.

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