Dev {Tricks}

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How to enable exec()

To enable exec() function, you have to modify php settings using a php.ini file.

  1. Open php.ini file and search for disable_functions exec
  2. Delete “exec” from disable_functions 
    disable_functions = "show_source,system, shell_exec,exec"
  3. Save the changes and reboot server.

That’s it!

Caution:

When a PHP script is hacked, the hacker can use the exec function to cause further issues. However, exec function itself is not dangerous.

Note:

OJS needs exec function for extracting text from PDFs for search indexing etc.

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Multi-journal Homepage Customization

Journal specific section

{if $currentJournal->getPath()=='hpc'}
//content here
{/if}

List articles from different sections

{foreach name=sections from=$publishedArticles item=section name=sectionslist key="section_loop"}
{if $section_loop== 8}
{foreach from=$section.articles item="article" key="article_loop" }
{if $article_loop < 1}
{assign var=articlePath value=$article->getBestArticleId($currentJournal)}
<a href="{url page="article" op="view" path=$articlePath}">
{$article->getLocalizedTitle()|strip_unsafe_html}
</a>
{$article->getAuthorString()}
{else}
{php}break;{/php}
{/if}
{/foreach}
{/if}
{/foreach}

 

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The tar command is not available | DirectAdmin

Problem:

  • The tar command is not available. Please correctly configure it in your “config.inc.php”.

There are two possible solutions of the above problem, your path to Tar tool is not correct, or the system can’t access to the path. In my case, I have both problems, so:

Solution One: Fixing the path of Tar

Open your terminal

Type which tar or whereis tar

which tar

or

whereis tar

Then use the path it returns in config.inc.php. For example,

tar = /usr/bin/tar

Still receiving the same error message, follow the second step.

Solution Two:

  1. Login to DirectAdmin admin panel.
  2. Go to “Server Manager > PHP Configuration (or PHP Settings). Select the domain you want to modify and
  3. Select the option “Disable Open Basedir”

Still getting error? Follow next step.

Solution Three:

You may get one of the following issues.

  • The “exec” PHP function has been disabled on your server. Contact your system administrator to enable it.
  • The uploaded plugin archive does not contain a folder that corresponds to the plugin name.

To fix the problems, you have to enable exec() function by deleting from the disable_functions

Go to link How to enable exec()

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How to create new Administrator user in OJS?

Find what the user group ID of Administrator group is by running:

SELECT user_group_id FROM user_groups WHERE context_id=0 AND role_id=1;

It’ll probably give a 1 back as a result. Then, you can grant that to user:

INSERT INTO user_user_groups (user_id, user_group_id) VALUES (278, 1);

where 278 is the user ID, and 1 is the user_group_id.

 

Reset admin password

UPDATE users SET password=SHA1(CONCAT(username,'w6Jdib4nNCZ')) WHERE username='admin';

 

 

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Email Template Shortcodes | OJS

Bold shortcodes are tested.

Journal’s full name (Journal Title): {$contextName}
Note: $journalName} has been changed to {$contextName}.

Journal’s URL: {$contextUrl}

Author Name: {$authorName}
Author ORCID: {$authorOrcidUrl}

Manuscript Title: {$submissionTitle}
Manuscript Title: {$articleTitle}
Manuscript ID: {$submissionId}

Manuscript URL (author): {$submissionUrl}
Article URL (view): {$articleUrl}

Abstract: {$articleAbstract}
Submission Abstract: {$submissionAbstract}

Reviewer Name: {$reviewerName}
Reviewer Username: {$reviewerUsername}
Review URL: {$submissionReviewUrl}

Editor’s Name: {$editorialContactSignature}
Editor’s Name: {$editorialContactName}