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Ubuntu/Debian & Postfix: Increase attachment size limit
By default postfix limits the attachment size to about 10 MB. You can determine the current limit with the following command: # sudo postconf | grep message_size_limit message_size_limit = 10240000 To increase the limit add (or change) the following setting in the file /etc/postfix/main.cf: # 20MB message_size_limit = 20480000 After restarting the postfix service the […]
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Debian Lenny 5.0: Bind RPC port mapper portmap to local loopback
By default on Debian Lenny the portmap service listens on UDP port 111. For security reasons it could by reasonable to prevent portmap from opening the port if you do not run services like NFS or NIS services that depend on a RPC port mapper like portmap. One way to to disable the open port […]
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XenServer 5.6 & Debian Lenny: Fix apt-get/aptitude GPG error
If you follow the instructions in the Citrix Developer Network to set up a (paravirtualized) Debian Lenny guest system apt-get or aptitude will show the following error W: GPG error: http://updates.vmd.citrix.com lenny Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 841D6D8DFE3F8BB2 W: You may want to run apt-get […]
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Ubuntu 10.04: Setup APC for PHP 5.3 and Apache2
Installing the APC (Alternative PHP Cache) using the php-apc package is straightforward: # sudo aptitude install php-apc # sudo /etc/init.d/apache2 restart Using the package php-apc installs APC 3.1.3p1. If you would like to use the most recent version 3.1.4 you can manually set up the PECL package as follows: Install the required packages: # sudo […]
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Ubuntu 10.04 & PHP 5.3: Installing pecl_http
To install the pecl_http PHP extension on Ubuntu 10.04 follow the instructions below: Install the required packages: # sudo apt-get install php-pear php5-dev libcurl4-openssl-dev Install pecl_http: # sudo pecl install pecl_http Create file /etc/php5/conf.d/http.ini with the following content: extension=http.so Restart Apache2: # sudo /etc/init.d/apache2 restart After restarting the Apache2 web server a “http” section should […]
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Ubuntu 10.04 & PHP 5.3: Setup PDFlib 6 with PECL
If you want to use the (old) PDFlib 6 (because you have paid for a license), you will get the following error when you try to install the latest pecl pdflib package (version 2.1.8) for PHP 5.3: […] running: make /bin/bash /var/tmp/pear-build-root/pdflib-2.1.8/libtool –mode=compile cc -I. -I/tmp/pear/temp/pdflib -DPHP_ATOM_INC -I/var/tmp/pear-build-root/pdflib-2.1.8/include -I/var/tmp/pear-build-root/pdflib-2.1.8/main -I/tmp/pear/temp/pdflib -I/usr/include/php5 -I/usr/include/php5/main -I/usr/include/php5/TSRM -I/usr/include/php5/Zend -I/usr/include/php5/ext […]