Linux Web Hosting

Linux web hosting services are probably the cheapest around, at least when compared to Windows web hosting services; this means that if you compare web hosting providers then you should be able to find a cheap Linux web hosting package that both suits your needs but is very much within your budget. Linux web hosting services offer a reliable solution for users who wish to host very basic, low traffic websites as well as for users who may wish to host more substantial websites which for example may be based on PHP and MySQL. Because Linux as an operating system is free to use, all forms of Linux web hosting are fairly cheap as Windows can be quite costly in some cases; it is for this reason that if you need to develop a website for yourself or someone else and it requires hosting, you will probably be better off if you decide to code it using basic HTML or PHP and MySQL if it needs to be dynamic as this will help you to save on your web hosting bill in the future.

Linux web hosting services are also seen by some as to be more reliable than Windows web hosting services; the main reason for this is that when you install an application on a Linux server you don’t have to restart the server, but if you install an application on a Windows server the likelihood is that you will have to restart the server. There are also a number of security measures that can be implemented on Linux web hosting servers which aren’t available for Windows web hosting services, suggesting to some that Linux web hosting may also be more secure than Windows web hosting. Linux web hosting services are ideal for most users, although if you wish to host websites based on either classic ASP or ASP.NET then you will have consider Windows web hosting serivces.

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Managed Dedicated Server Hosting

Managed dedicated server hosting services allow users who my not have the required skills or knowledge to manage a dedicated server the opportunity to have the dedicated server that they need without having to worry about the complicated management side of things. Managed Windows dedicated server hosting and managed Linux dedicated server hosting services are available which means that you should always be able to find a managed dedicated server hosting package that suits your needs, regardless of what your requirements may be. Although managed dedicated server hosting services may be slightly more expensive than unmanaged dedicated server hosting services, the amount of time that you will save yourself by letting others take control of the management of your dedicated server more than justifies the cost for most people. Dedicated server hosting in general is able to offer users a highly reliable web hosting service that cannot be matched by any other forms of web hosting - not even Hyper-V VPS servers or Virtuozzo VPS servers, but this added reliability does come at a cost.

Dedicated servers are also a lot more secure because you aren’t sharing any portion of your server with any other users unknowingly, thus allowing you to secure your server to such an extent that you know you are the only one who will be able to gain entry. A dedicated server can be used for any purpose which suits you as you won’t have to worry about the performance of other users’ websites affecting you or vice versa; there are many uses for a dedicated server which include applications and uses which you wouldn’t be able to get from shared web hosting services, and it is for this reason that many users consider dedicated web hosting services. In order to make the most of managed dedicated server hosting services, you should ensure that cheap VPS server hosting services aren’t able to fulfill your needs; if VPS server hosting is able to fulfill your needs then it would be a better idea to make use of VPS server hosting.

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Linux VPS Hosting

Linux VPS hosting services are seen as the next upgrade for users who are outgrowing their Linux shared web hosting plan and require either larger resource assignments that can’t be had with shared web hosting services or added indepence and reliability. Linux VPS servers come with full root access via SSH enabling you to manage your VPS server directly, although if you require a control panel of some sort then most web hosting providers are able to offer the cPanel control panel with their Linux VPS hosting services. As you have full root access you are able to configure your Linux VPS server to function in the way that you want it to, for example you may want to make certain configuration changes; this also means that you can install any applications of your choice. Linux VPS servers are ideal for the hosting of PHP and MySQL based websites which require third-party components or applications to function correctly, and in some cases users are forced to consider Linux VPS hosting for this exact reason. Linux VPS servers are usually the cheapest VPS servers around, the reason for this being that web hosting providers don’t have to factor in any further costs such as operating system license fees.

Linux VPS hosting may seem daunting for some users to have never managed Linux servers properly before; in such a case you can always consider managed Linux VPS server hosting. Although Linux VPS server hosting may seem daunting at first when you consider the management that is needed as well as how much you will have to pay for a VPS, the benefits that you will recieve in the long term make it good value for money. You are normally able to choose between Linux VPS servers that are based on either Virtuozzo, OpenVZ or Xen; for the best performance you should consider Virtuozzo VPS hosting, but if you don’t want to pay much for your web hosting service then you should consider OpenVZ and Xen VPS hosting solutions.

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Hello,

If you are getting following error  with wordpress while uploading images.

The uploaded file could not be moved to  /home/username/public_html/wordpress/wp-content/uploads

then please make sure that

safe_mode_gid=ON  (in php.ini)

and check the permission of upload directory it should be 777 , if it is something different then change it to 777 with following command

chmod 777 wp-content/uploads
and issue will get resolved.

If you wish to upgrade existing kernel on your Linux Server you have to follow the following steps

login to your Linux Server with root user

Check the current kernel available with following command

#uname -r

Now download the new available kernel from kernel.org

http://rpm.pbone.net/index.php3/stat/3/srodzaj/2/search/kernel-2.4.21-47.0.1.EL.src.rpm

rpm -ihv kernel-smp-2.4.21-47.0.1.EL.i686.rpm

edit grub.conf and verify whether new kernel is available or not

For making new kernel as default kernel , make sure that it is available before previous on and default option is 0 in /boot/grub/grub.conf

then reboot the server using command

#shutdown -r now

If you want to change few php values for your Linux VPS web hosting server then you will have to edit /etc/php.ini file on your VPS. As a VPS server Administrator you would be having root access to your server thus you have access to php.ini file of your server. You can easily change all required PHP settings/value such as post_max_size, memory_limit, asp_tags, upload_max_filesize etc…… for your server through php.ini file.

For example : If you want to turn register_globals ON, you will need to change the line from your php.ini file. just search for register_globals = Off and change it to register_globals = On. Thus by amending your PHP.ini file you will turn ” register_globals ON ” for every domain hosted on your VPS unless a domain has a different value specified in its vhost.conf file.

If Fantastico is installed on your Linux dedicated server but you are not getting the Icon of Fantastico under cPanel. In such case verify the following settings:

-please make sure that the Fantastico is enabled in your WHM’s Feature Sets as well as enabled in the WHM Fantastico admin

- Please make sure that their is a symlink to the Fantastico directory in every theme you use x or x3

ln -s /usr/local/cpanel/3rdparty/fantastico /usr/local/cpanel/base/frontend/x3

- Please verify the version of wget on your server and update it accordingly  wget-1.10.2-3.2.1 

For 32-bit:

rpm -qa wget ;
wget ftp://ftp.funet.fi/pub/mirrors/ftp.redhat.com/pub/fedora/linux/core/5/i386/os/Fedora/RPMS/wget-1.10.2-3.2.1.i386.rpm
chattr -ia /usr/bin/wget
rpm -e wget ;
rpm -ivh --force wget-1.10.2-3.2.1.i386.rpm ;
rpm -qa wget ;

For 64-bit:

rpm -qa wget ;
wget http://download.fedora.redhat.com/pub/fedora/linux/releases/7/Everything/x86_64/os/Fedora/wget-1.10.2-15.fc7.x86_64.rpm ;
chattr -ia /usr/bin/wget
rpm -e wget ;
rpm -ivh --force wget-1.10.2-15.fc7.x86_64.rpm ;
rpm -qa wget ;

once wget version get updated, Please install fantastico once again .

[Fri Oct 10 00:11:01 2008] [warn] pid file /usr/local/apache/logs/httpd.pid overwritten — Unclean shutdown of previous Apache run?
semget: No space left on device

This error occurred because there is no more space left in Semaphore Arrays for Apache.

You can check semaphore arrays on your server using the following command .

# ipcs -s

If you see too many of them, run the script as given below

#for i in `ipcs -s | awk ‘{print $2}’`; do ipcrm -s $i;done

Now restart Apache services

# service httpd startssl

Now Fixed….

With cpanel Linux Dedicated Server we are getting following error

error : [notice] child pid x exit signal File size limit exceeded (25.)

This error occurs due to log file limit exceeded on server. On linux 32 Bit server apache support maximum filesize upto 2GB. If any log file exceeded this limit then you will get above error and apache services het hanged
TO get it resolved you need to log files with following directories
/usr/local/apache/logs and /var/log/

To get it resolved you need to emptied your log files those are above 2GB

How to access Awstats from outside the control panel ?

Accessing Awstats from outside the control panel is easy.

Step 1.

Download awstats from awstats.sourceforge.net

Step 2.

Uncompress awstats-5.6.tgz

Step 3.

Copy the contents of the uncompressed cgi-bin folder from your hard drive to the user cgi-bin directory (this includes awstats.pl, awstats.model.conf, and the lang, lib and plugins sub-directories).

Step 4.

If necessary (should not be needed with most setups), edit the first (top-most) line of awstats.pl file that is

#!/usr/bin/perl

to reflect the path were your Perl interpreter is installed. Default value works for most of Unix OS, but it also might be #!/usr/local/bin/perl

Step 5.

Move AWStats icon sub-directories and its content into a directory readable by your web server, for example /home/users/public_html/icons

Step 6.

Copy awstats.model.conf file into a new file named awstats.myvirtualhostname.conf.

This new file must be stored in /home/user/public_html/cgi-bin.

Step 7.

Edit this new config file with your own setup :

- Change LogFile value with full path of your web server log file (The path is: LogFile=”/usr/local/apache/domlogs/domain.com”).
- Check if LogFormat has the value “1″ (it means “NCSA apache combined/ELF/XLF log format”).
- Change DirIcons parameter to reflect relative path of icon directory. (DirIcons=”/icons”)
- Edit SiteDomain parameter with the main domain name or the intranet web server name used to reach the web site to analyze (Example: www.mydomain.com).

IMPORTANT!
- Change DirData to use the same Statics file than Cpanel Awstats and do not loose any entry.
(DirData=”/home/user/tmp/awstats/”)

Step 8.

Access AwStats by the URL:
www.domain.com/cgi-bin/awstats.pl?config=domain.com

Done!!!

The AwStats will refresh the Statics every 24 Hours.

Is it possible to allow users to update Awstats from the Cpanel?

Yes, Change the parameter “AllowToUpdateStatsFromBrowser” in /usr/local/cpanel/etc/awstats.conf set to 1,

AWStats add a button on report page to “update” statistics from a web browser. This is not a good idea, because Update process can be long so you might experience “time out” browser errors if you don’t launch AWStats enough frequently. Also, it take around 12-24 hours to take into effect.

There is an option in WHM>> Server Configuration >> Tweak Settings>>Stats and Logs to “Allow users to update Awstats from cPanel“.

How to update Awstats and webalizer via shell?

We could update the webalizer using the command /usr/local/cpanel/3rdparty/bin/english/webalizer -N 10 -D /home/username/tmp/webalizer/dns_cache.db -R 250 -p -n domain.com -o /home/username/tmp/webalizer /usr/local/apache/domlogs/domain.com

The Awstats can be updated by using the script /scripts/runweblogs accountname