Here are the few steps to generate the private key, certificate signed request, self-signed certificate and how to get rid of the passphrase request when starting you’re application . Okay, let’s start. Go to the directory you want to store you’re certificate stuff. This example will assume you’re common name (aka : host name) will… Read More »
After upgrading OpenX AdServer from version 2.8.5 to 2.8.7, you may experience a problem with statistics – OpenX engine is no longer recording stats from campaign delivery. This is a good idea to have a look at the log file, located at <openx>/var/debug.log. You probably will see this warning : OX-maintenance-4ea48eac6cd00 [info] Running Maintenance Engine… Read More »
Since RoundCube version 0.6, you may expect the following error when trying to delete a message : Server Error : UID COPY : Error in IMAP command received by server. You probably using Courier-IMAP daemon. As commented in “main.inc.php” configuration file for default storage folders, you need to modify the folder name according to the… Read More »
To increase (or decrease) the size of allowed uploaded file size with PHP, using php.ini or .htaccess file, just add or edit the following values : php_value upload_max_filesize <VALUE> php_value post_max_size <VALUE> Just add the amount instead the <VALUE> tag. Let’s assume you want to allow 300 megabyte file size to be uploaded to the… Read More »
Do the following to find and replace text string in a whole file using the Vi text editor : 1. Enter in command mode by typing ” : ” 2. Your command should look like this : :%s/search_for_text/replace_with_this_text/g NOTE : To search & replace a string containing slashes ” / “, use a coma ”… Read More »
When trying to connect to a MySQL 4.x and later server, the following error occur : DB connection error: mysqlnd cannot connect to MySQL 4.1+ using the old insecure authentication. Please use an administration tool to reset your password with the command SET PASSWORD = PASSWORD(‘your_existing_password’). This will store a new, and more secure, hash… Read More »
In some rare occasion, automatic upgrade of WordPress core may fail. I’ve seen this case on low remaining Web server memory and apache reload during updating process. When updating, WordPress create a file on the web root folder to temporary put the site unavailable during the update process. You need to delete the file “.maintenance”… Read More »
Apache startup failed – look at /var/log/httpd/ssl_error_log and show the following error : Unable to configure RSA server private key SSL Library Error: x509 certificate routines:X509_check_private_key:key values mismatch The private key and the certificate do not match. You can compare the certificate and the key with the following commands : View the certificate modulus using… Read More »
Since Internet Information Server 7, there is no longer a GUI option to achieve this task. To do so, you need to manually proceed with the command line interface. Open a terminal (Run, cmd) ; cd %windir%\system32\inetsrv appcmd add backup <backupname>
There is the procedure to update the free MaxMind GeoIP database : Go to temp directory and get the latest data : cd /tmp wget -q http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz Unpack the data file : gzip -d GeoIP.dat.gz Move the data to the appropriate directory : mv -f GeoIP.dat /usr/share/GeoIP/GeoIP.dat