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Category Archives: Linux
Letting WordPress users install themes, plugins without FTP credentials
Quick answer: Put this in the user’s wp-config.php file: define(‘FS_METHOD’, ‘direct’); If you are having trouble updating the core wordpress, remember that no matter what the permissions are, wordpress needs it to be owned by apache:apache.
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Redirecting MySQL
To redirect traffic from one db to another (as a temporary measure if you have multiple places in your app to change the login data) you might try this: iptables -t nat -A PREROUTING -p tcp –dport 3306 -j DNAT … Continue reading
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Which script sent this email
Sometimes you have multiple php scripts that send email and want to find out which one sent a specific email. I followed the instructions here: http://www.iezzi.ch/archives/217 Worked like a charm.
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Browser-Side Caching with Apache
Browser-side caching relies on HTTP headers to know whether or not the content it has in its local cache is still valid. If it is, then it uses the local copy, rather than downloading the file from the server again. … Continue reading
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Subversion Stuff
To establish a subversion repository anew: svnadmin create /var/svn/myrepos svn mkdir -m “creating the trunk dir” file:///var/svn/myrepos/repo1 svn import -m “Adding first directory” /var/www/vhosts/mydomain.com/wordpress file:///var/svn/myrepos/repo1 **Note that if you don’t specify a directory to copy, subversion is happy to add … Continue reading
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Grepping (and egrepping) with Style
Grep is a powerful tool. It can do many things well. It can also be used in conjunction with other tools. If you are new to grep, it is a supercharged search tool. The basic format of the command is: … Continue reading
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zend_mm_heap corrupted messages in apache logs
zend_mm_heap corrupted if php5.2. google for patch if php5.3 increase apc memory size in apc.ini
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Access Control Lists
Add ACL for apache user: First see what ACLs exist already: root@server1 mysite.org]# getfacl /var/www/vhosts/mysite.org/uploads getfacl: Removing leading ‘/’ from absolute path names # file: var/www/vhosts/mysite.org/uploads # owner: user1 # group: user1 user::rwx group::rwx mask::rwx other::r-x default:user::rwx default:group::rwx default:mask::rwx default:other::r-x … Continue reading
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Tune MySQL
wget http://www.day32.com/MySQL/tuning-primer.sh sh tuning-primer.sh
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Common rewrite rules
The easiest way to redirect one site to another is by adding the following to the Virtualhost: Redirect 301 / http://newsite.com/ Note: When AllowOverride is set to allow the use of .htaccess files, Apache will look in every directory for … Continue reading
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