How to backup WHM/cPanel accounts to DigitalOcean Spaces

For the past several years I have been using Amazon S3 to backup my WHM/cPanel accounts. It works quite good but the problem is Amazon’s complex pricing model (that charges you for things like diskspace, bandwidth, requests) making price for the service is quite unpredictable. I’ve read on many places that people often got surprised at the end of the month receiving the bill from Amazon.

Recently I have started testing DigitalOcean Spaces, a service similar to Amazon’s S3 (S3 compatible alternative) but with a pricing structure anyone can understand: for $5/month you get 250 GB of storage and 1 TB of outbound transfer (inbound transfer is free like on S3). If you need more than that it will cost you 2cents per every additional GB of storage and 1cent for every additional of outbound GB. Also first two months for every new space are free!

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CodeIgniter white page on cPanel

After cPanel upgrade from EasyApache3 to EasyApache4 all my CodeIgniter installations just broke on that server, returning just a white page without any error message. I spent more than one hour trying to figure out what the problem is. While testing out I noticed empty files named like these “0bce68a7a37e584ace98f0fd242a237d1662613e” or “296eed9bfb533552b0c3a9c8fdd784067eea216d”   (without any extension) started popping in my project folder. I figured out that these must be session paths so something is wrong with that.

I tried enabling php error logging but it didn’t help since it didn’t log anything since all code is right and it was working before but it just stopped after I started using EasyApache4.

So I went and enabled CodeIgniter logging that proved to be a better idea. To enable it open config.php for editing, locate

$config['log_threshold'] = 0;

And change that value to 4. That will enable internal logging system and logs will be saved in /application/logs folder. What I found out just conf

ERROR - 2016-11-29 22:36:29 --> Severity: Warning --> mkdir(): Invalid path Session_files_driver.php 117
ERROR - 2016-11-29 22:36:29 --> Severity: error --> Exception: Session: Configured save path '' is not a directory, doesn't exist or cannot be created. Session_files_driver.php 119

My session save path at config.php was set to null:

$config['sess_save_path'] = NULL;

Once I got it changed to default (alternatively you can set it up to any other folder you want locally, so you can have full control over your sessions):

$config['sess_save_path'] = sys_get_temp_dir();

everything started working again! Now this is second time I have similar quiet errors with CodeIgniter where it reports absolutely nothing – instead it just gives white screen and this can be really frustrating to debug.

 


	
			
		

How to install Git on cPanel/WHM server running CentOS

Today I wanted to install Git on a server with cPanel/WHM and have got the following result:

yum install git
Resolving Dependencies
--> Running transaction check
---> Package git.x86_64 0:1.7.1-4.el6_7.1 will be installed
--> Processing Dependency: perl-Git = 1.7.1-4.el6_7.1 for package: git-1.7.1-4.el6_7.1.x86_64
--> Processing Dependency: perl(Git) for package: git-1.7.1-4.el6_7.1.x86_64
--> Processing Dependency: perl(Error) for package: git-1.7.1-4.el6_7.1.x86_64
--> Finished Dependency Resolution
Error: Package: git-1.7.1-4.el6_7.1.x86_64 (base)
           Requires: perl-Git = 1.7.1-4.el6_7.1
Error: Package: git-1.7.1-4.el6_7.1.x86_64 (base)
           Requires: perl(Git)
Error: Package: git-1.7.1-4.el6_7.1.x86_64 (base)
           Requires: perl(Error)
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest

Then I did some research and have found out that Gis is already installed on cPanel as of version 11.36 but the problem is – it’s installed on this path:

/usr/local/cpanel/3rdparty/bin/git

So for ease of use I advise you to make a simple symlink:

ln -s /usr/local/cpanel/3rdparty/bin/git /usr/bin/git

so you don’t have to remember the path above and you can simply use it like you got used.

Note: In order for user to be able to login to SSH, it must be allowed in WHM first at Account Functions > Manage Shell Access and there  just switch from Disabled Shell to Jailed Shell.

Happy Gitting!


How to safely install git on cPanel/WHM?

GIT is popular version control system for software development and it’s really common today. Installation on servers without cPanel is pretty simple but on servers that do have cPanel can be tricky because git installs it’s own Perl libraries and that can cause many problems and conflicts and often results in unusable WHM server in the end.

So whatever you do – do not install GIT!
I repeat: DO NOT INSTALL GIT ON WHM SERVER!

Because it’s already installed 🙂
It’s just not in path and you can’t use it.

There are two ways of doing this:
1. WHM/root way that will make git available to all users on the system
2. cPanel way that will make git available only for the current account

Hot to enable it in WHM?
To make git usable to all users (with ssh access) just execute this single line of code as root:

ln -s /usr/local/cpanel/3rdparty/bin/git /usr/local/bin/git

How to enable it in cPanel?
If you are using a shared (or reseller) hosting powered by cPanel (and you don’t have WHM access) than you need to login using SSH and locate your .bashrc file. It should be in your home directory. Open that file for editing and add git to your path by adding following two lines of code at the end of your .bashrc file:

PATH=$PATH:/usr/local/cpanel/3rdparty/bin 
export PATH

To edit that file enter: nano .bashrc
After you add these two lines your .bashrc file should look like this:

bashrc-git-path

To save the changes press CTRL+X , then press Y and Enter. In order for changes to be accepted it will be necessary to re-log in to your SSH command prompt.

How to check if git now works on cPanel?
Well, that’s really simple. Just login to SSH and execute: git –version
and that should return git version (currently cPanel git is version 2.6.1)

That’s it!
Nice and simple.
Happy giting…


How to enable mod_deflate on Apache 2.4?

Compressing data like html, js, css before transmitting them to the visitors can speed up your sites and save you bandwidth. Recently I have updated Apache on one server from version 2.2 to 2.4 but my mod_deflate rules won’t work any more (because of changes in the new version of Apache).

Here are my old mod_deflate rules I used on Apache 2.2:

<IfModule mod_deflate.c>
<IfModule mod_setenvif.c>
<IfModule mod_headers.c>
SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)\s*,?\s*)+|[X~-]{4,13}$ HAVE_Accept-Encoding
RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding
</IfModule>
</IfModule>

<IfModule filter_module>
FilterDeclare COMPRESS
FilterProvider COMPRESS DEFLATE resp=Content-Type $text/html
FilterProvider COMPRESS DEFLATE resp=Content-Type $text/css
FilterProvider COMPRESS DEFLATE resp=Content-Type $text/plain
FilterProvider COMPRESS DEFLATE resp=Content-Type $text/xml
FilterProvider COMPRESS DEFLATE resp=Content-Type $text/x-component
FilterProvider COMPRESS DEFLATE resp=Content-Type $application/javascript
FilterProvider COMPRESS DEFLATE resp=Content-Type $application/json
FilterProvider COMPRESS DEFLATE resp=Content-Type $application/xml
FilterProvider COMPRESS DEFLATE resp=Content-Type $application/xhtml+xml
FilterProvider COMPRESS DEFLATE resp=Content-Type $application/rss+xml
FilterProvider COMPRESS DEFLATE resp=Content-Type $application/atom+xml
FilterProvider COMPRESS DEFLATE resp=Content-Type $application/vnd.ms-fontobject
FilterProvider COMPRESS DEFLATE resp=Content-Type $image/svg+xml
FilterProvider COMPRESS DEFLATE resp=Content-Type $application/x-font-ttf
FilterProvider COMPRESS DEFLATE resp=Content-Type $font/opentype
FilterChain COMPRESS
FilterProtocol COMPRESS DEFLATE change=yes;byteranges=no
</IfModule>

<IfModule !mod_filter.c>
# Legacy versions of Apache
AddOutputFilterByType DEFLATE text/html text/plain text/css application/json
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE text/xml application/xml text/x-component
AddOutputFilterByType DEFLATE application/xhtml+xml application/rss+xml application/atom+xml
AddOutputFilterByType DEFLATE image/svg+xml application/vnd.ms-fontobject application/x-font-ttf font/opentype
</IfModule>
</IfModule>

And here’s my new Apache 2.4 code that enables mod_deflate compression:

<IfModule mod_deflate.c> 
SetOutputFilter DEFLATE 
SetEnvIfNoCase Request_URI \.(?:gif|jpg|png|ico|zip|gz|mp4|flv)$ no-gzip 
</IfModule>

Nice and easy! You can add other extensions you do not want to compress to the list above and that should be it!

cPanel/WHM users should login to WHM then go to Service Configuration -> Apache Configuration -> Include Editor then locate Pre VirtualHost Include on the page and select All Versions from the list (or current version of the Apache in my case 2.4.10).

apache-2.4-mod-deflate1

Then simply copy paste the code above into the box, save and restart the Apache service.

apache-2.4-mod-deflate2

Note: The process is same for Apache 2.2 just use the appropriate code from above.

Tags: magento 2 enable gzip apache 2 4