Declare independence from your it department sysadmin skills for symfony developers
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The document outlines the skills needed for Symfony developers to manage their web hosting environments, focusing on sysadmin skills related to LAMP (Linux, Apache, MySQL, PHP) and various hosting options. It covers topics such as Linux distributions, PHP installation, deployment strategies, and production tips for a better performance and control over server resources. The content emphasizes the importance of sysadmin knowledge for developers to ensure security, efficiency, and reliability in their applications.
![Installing PHP
Configuration
php -m
[PHP Modules]
apc
bcmath
bz2
Core
ctype
curl
date
dom
ereg
Friday, June 8, 2012](https://image.slidesharecdn.com/declareindependencefromyouritdepartment-sysadminskillsforsymfonydevelopers-120608104323-phpapp02/85/Declare-independence-from-your-it-department-sysadmin-skills-for-symfony-developers-82-320.jpg)
![Deploying PHP
Before going live
Move document root with .htaccess
RewriteEngine On
RewriteRule ^.htaccess$ - [F]
RewriteCond %{REQUEST_FILENAME} -f
RewriteRule ^.*$ - [NC,L]
RewriteCond %{REQUEST_URI} !^/web/.*$
RewriteRule ^(.*)$ /web/$1
Friday, June 8, 2012](https://image.slidesharecdn.com/declareindependencefromyouritdepartment-sysadminskillsforsymfonydevelopers-120608104323-phpapp02/85/Declare-independence-from-your-it-department-sysadmin-skills-for-symfony-developers-96-320.jpg)
Declare independence from your it department sysadmin skills for symfony developers
- 1. Declare Independence from your IT department Sysadmin skills for Symfony developers June 8, 2012 - Symfony Live Paris Pablo Godel @pgodel Friday, June 8, 2012
- 2. Agenda - Why SysAdmin Skills - Introduction to LAMP - Hosting options - Linux distributions - Installing PHP options - Deploying PHP - Various production tips - Monitoring - Backups Friday, June 8, 2012
- 3. Who Am I? ⁃ Born in Argentina, living in the US since 1999 ⁃ PHP & Symfony developer ⁃ Founder of the original PHP mailing list in spanish ⁃ Master of the parrilla Friday, June 8, 2012
- 4. Who Am I? ⁃ Born in Argentina, living in the US since 1999 ⁃ PHP & Symfony developer ⁃ Founder of the original PHP mailing list in spanish ⁃ Master of the parrilla Friday, June 8, 2012
- 5. Friday, June 8, 2012
- 6. ServerGrove! ⁃ Founded ServerGrove Networks in 2005 ⁃ Provider of web hosting specialized in PHP, Symfony, ZendFramework, and others ⁃ Now with servers in Europe (and USA) ⁃ Mongohosting.com under beta! Friday, June 8, 2012
- 7. Community is our teacher ⁃ Very active open source supporter through code contributions and usergroups/conference sponsoring Friday, June 8, 2012
- 8. Who needs them? Sysadmin Skills Friday, June 8, 2012
- 9. Text IT is busy / Different Priorities Friday, June 8, 2012
- 10. !Rocket Science Friday, June 8, 2012
- 11. Lack of control Friday, June 8, 2012
- 12. Less downtime Friday, June 8, 2012
- 13. Better Performance Friday, June 8, 2012
- 14. What do you prefer? Friday, June 8, 2012
- 15. Or this? Friday, June 8, 2012
- 16. I s. I ’ s L. E Cs , . An example... Friday, June 8, 2012
- 17. What is LAMP Friday, June 8, 2012
- 18. Friday, June 8, 2012
- 19. Friday, June 8, 2012
- 20. Friday, June 8, 2012 LAMP
- 21. Friday, June 8, 2012 LAMP
- 22. Friday, June 8, 2012 LAMP
- 23. Scott Beale Friday, June 8, 2012 LAMP
- 24. Friday, June 8, 2012 LNMP
- 25. Friday, June 8, 2012 LAMP
- 26. Friday, June 8, 2012 LAPP
- 27. Friday, June 8, 2012 LANMMPP
- 28. Why? LANMMPP Friday, June 8, 2012
- 29. Why LANMMPP Proven Friday, June 8, 2012
- 30. Why LANMMPP Stable Friday, June 8, 2012
- 31. Why LANMMPP Secure Friday, June 8, 2012
- 32. Why LANMMPP Free Friday, June 8, 2012
- 33. Why LANMMPP Free* Friday, June 8, 2012
- 34. Why LANMMPP Inexpensive Friday, June 8, 2012
- 35. Why LANMMPP Easily Available Friday, June 8, 2012
- 36. Hosting Options Friday, June 8, 2012
- 37. Hosting Options Shared Hosting + - - Inexpensive - Shared resources - Widely available - No/Limited Shell - Easy to use - Many restrictions - No maintenance - No control - No updates - Fixed versions - Instant provisioning - Multitude of CPs - DNS/Email services Friday, June 8, 2012
- 38. Hosting Options Dedicated Servers + - - Full control - Hard to plan - No sharing - Software updates - Best performance - SysAdmin skills - Software / Hardware - Expensive to start to specs - Parts replacements - Control Panel licenses Friday, June 8, 2012
- 39. Hosting Options Virtual Servers / VPS - - Shared resources - Software updates - SysAdmin skills - Limited/No CP - Lack of email Friday, June 8, 2012
- 40. Hosting Options Virtual Servers / VPS + + - Inexpensive - Custom configurations - Widely available - Snapshots - Choice of OS - Multiple Envs - Root access - Full shell - Fast provisioning - Custom software Friday, June 8, 2012
- 41. Hosting Options Cloud Hosting + - Depends on implementation Friday, June 8, 2012
- 42. Hosting Options Cloud Hosting Some are a shared hosting with a fancy new name Friday, June 8, 2012
- 43. Hosting Options Cloud Hosting Some are a shared hosting with a fancy new name Others let you start small and scale easily Friday, June 8, 2012
- 44. Hosting Options Cloud Hosting Some are a shared hosting with a fancy new name Others let you start small and scale easily Gets really expensive at scale Friday, June 8, 2012
- 45. Hosting Options Cloud Hosting Most suffer from some of the shared hosting problems: - vendor lock-in - lack of control - high learning curve - limited environment Friday, June 8, 2012
- 46. Hosting Options Which one to choose? Friday, June 8, 2012
- 47. Hosting Options Which one to choose? IT DEPENDS Friday, June 8, 2012
- 48. Linux Distributions Friday, June 8, 2012
- 49. Distributions RedHat based - Fedora - RedHat Enterprise Linux (RHEL) - CentOS - Scientific Linux Friday, June 8, 2012
- 50. Distributions Debian based - Debian - Ubuntu Friday, June 8, 2012
- 51. Distributions Others - Gentoo - Slackware - OpenSuse - Archlinux - any many many more! http://distrowatch.com/ http://en.wikipedia.org/wiki/Linux_distribution Friday, June 8, 2012
- 52. Distributions Key differences - Configuration files - Package Manager - Managing Services - Software versions - Updates Friday, June 8, 2012
- 53. Distributions Key differences - Configuration files CentOS /etc/sysconfig/network-scripts/ifcfg-eth0 Ubuntu /etc/network/interfaces Friday, June 8, 2012
- 54. Distributions Key differences - Package Manager CentOS yum install php-cli Ubuntu apt-get install php5 Friday, June 8, 2012
- 55. Distributions Key differences - Package Manager CentOS yum search php-cli Ubuntu apt-cache search php Friday, June 8, 2012
- 56. Distributions Key differences - Managing Services CentOS service restart httpd chkconfig --list httpd chkconfig httpd on Ubuntu service restart apache2 sudo update-rc.d apache2 enable Friday, June 8, 2012
- 57. Distributions Key differences - Software versions CentOS httpd-2.2.3 Ubuntu apache-2.2.17 Friday, June 8, 2012
- 58. Distributions Key differences - Updates CentOS 5.x PHP 5.1.6 Ubuntu 11 PHP 5.3.5 Friday, June 8, 2012
- 59. Distributions Key similarities - Based on Linux Kernel - Screwed up or ancient PHP - Lack of PHP extensions Friday, June 8, 2012
- 60. Distributions Which one to choose? IT DEPENDS Friday, June 8, 2012
- 61. Distributions Which one to choose? - Best feeling - Previous experience - Workplace selection - Coworker / friend knowledge Friday, June 8, 2012
- 62. Distributions Test Drive Virtual Machines: - VirtualBox - Parallels - VMware - VPS Friday, June 8, 2012
- 63. Installing PHP Friday, June 8, 2012
- 64. Installing PHP CentOS yum install php php-cli yum install php-libxml Friday, June 8, 2012
- 65. Installing PHP CentOS Third Party Repositories - Remi RPM http://blog.famillecollet.com/ - Webtatic http://www.webtatic.com/ - ServerGrove: PHP 5.3.13 / 5.4.3 (always latest) http://repos.servergrove.com Friday, June 8, 2012
- 66. Installing PHP CentOS Third Party Repositories cd /etc/yum.repos.d/ wget http://repos.servergrove.com/servergrove-centos-5/ servergrove-centos-5.repo yum install php53 # or php54 Friday, June 8, 2012
- 67. Installing PHP Ubuntu apt-get install php5 libapache2-mod-php5 apt-get install php5-libxml Friday, June 8, 2012
- 68. Installing PHP Ubuntu Third Party Repositories PHP 5.3.13 / 5.4.3 - Dotdeb: http://www.dotdeb.org/ - ServerGrove: (always latest) http://repos.servergrove.com Friday, June 8, 2012
- 69. Installing PHP Ubuntu Third Party Repositories echo “deb http://repos.servergrove.com/servergrove-ubuntu- natty natty main” >> /etc/apt/sources.list.d/servergrove.list apt-get install php53 # or php54 Friday, June 8, 2012
- 70. Installing PHP From Source wget http://us2.php.net/get/php-5.4.3.tar.bz2/from/ www.php.net/mirror tar jxvf php-5.4.3.tar.bz2 cd php-5.4.3 ./configure make && make install Friday, June 8, 2012
- 71. Installing PHP Recompiling php -i |grep configure ./configure '--with-apxs2=/usr/sbin/apxs' '--prefix=/usr/local/ php53' '--with-config-file-scan-dir=/etc/php53/conf.d' '-- enable-bcmath' '--enable-ctype' '--enable-exif' '--enable- mbstring' '--enable-ftp' '--enable-intl' '--enable-sockets' '-- enable-sysvmsg' '--enable-pcntl' '--with-bz2' '--with-curl' '-- with-gettext' '--with-gd' '--enable-gd-native-ttf' '--enable-exif' '-- with-freetype-dir=/usr' '--with-jpeg-dir=/usr' '--with-t1lib=/usr' '--with-mcrypt' '--with-openssl' '--with-kerberos' '--with-iconv' '--with-xsl' '--with-xmlrpc' '--with-zlib' '--with-mysql=mysqlnd' '-- with-mysqli=mysqlnd' '--with-pdo-mysql=mysqlnd' make && make install Friday, June 8, 2012
- 72. Installing PHP Compiling for Apache ./configure '--with-apxs2=/usr/sbin/apxs' make && make install Friday, June 8, 2012
- 73. Installing PHP Compiling for Nginx / PHP-FPM ./configure '--enable-fpm' make && make install Friday, June 8, 2012
- 74. Installing PHP Compiling extension ./configure --with-curl --enable-ftp make && make install Friday, June 8, 2012
- 75. Installing PHP Compiling extension (dynamic) cd ext/curl phpize ./configure make && make install echo “extension=curl.so” >> php.ini Friday, June 8, 2012
- 76. Installing PHP Compiling extension http://pecl.php.net/ Friday, June 8, 2012
- 77. Installing PHP Compiling extension (PECL) pecl install apc # or pecl download apc tar zxvf APC-3.1.9.tgz cd APC-3.19 phpize ./configure make && make install echo “extension=apc.so” >> php.ini Friday, June 8, 2012
- 78. Installing PHP Automate! - Chef - Puppet - ... Friday, June 8, 2012
- 79. Installing PHP Configuration Default location /usr/local/lib/php.ini Other common locations /etc/php/php.ini /etc/php5/cli/php.ini /etc/php5/apache2/php.ini Friday, June 8, 2012
- 80. Installing PHP Configuration php -i | grep php.ini Configuration File (php.ini) Path => /usr/local/php5/lib Loaded Configuration File => /usr/local/php5-20110426-093151/ lib/php.ini Scan this dir for additional .ini files => /usr/local/php5/php.d Additional .ini files parsed => /usr/local/php5/php.d/10- extension_dir.ini, Friday, June 8, 2012
- 81. Installing PHP Configuration php -i | grep mongo /usr/local/php5/php.d/50-extension-mongo.ini, mongo mongo.allow_empty_keys => 0 => 0 mongo.allow_persistent => 1 => 1 mongo.auto_reconnect => 1 => 1 mongo.chunk_size => 262144 => 262144 mongo.cmd => $ => $ mongo.default_host => localhost => localhost mongo.default_port => 27017 => 27017 Friday, June 8, 2012
- 82. Installing PHP Configuration php -m [PHP Modules] apc bcmath bz2 Core ctype curl date dom ereg Friday, June 8, 2012
- 83. Installing PHP Configuration php.ini extension_dir=/usr/lib/php/extensions/no- debug-non-zts-20090626 extension=apc.so extension=mongo.so Friday, June 8, 2012
- 84. Installing PHP Configuration php.ini php -i | grep extension_dir extension_dir => /usr/local/php5/lib/php/extensions/no-debug- non-zts-20090626 Friday, June 8, 2012
- 85. Installing PHP Configuration php.ini date.timezone=UTC display_errors = off log_errors = on error_log = /var/log/php.log Friday, June 8, 2012
- 86. Installing PHP Configuration Security memory_limit = 128M max_execution_time = 30 display_errors = off expose_php = off mail.log = /var/log/phpmails.log disable_functions = exec allow_url_fopen = off Friday, June 8, 2012
- 87. Installing PHP Configuration File uploads on .htaccess php_value memory_limit 128M php_value max_file_uploads 20 php_value max_input_time -1 php_value post_max_size 8M php_value upload_max_filesize 2M php_value max_execution_time 0 AllowOverride=All in Apache! Friday, June 8, 2012
- 88. Installing PHP Configuration Apache php_value date.timezone UTC php_flag display_errors 1 php_value memory_limit 128M php_value max_execution_time 0 Donʼt forget to restart Apache Friday, June 8, 2012
- 89. Installing PHP Web Server User Permissions issues with clear cache and uploads, Anyone? Possible users - apache - nobody - www-data - ftp / ssh user (sometimes) Friday, June 8, 2012
- 90. Installing PHP Web Server User Permissions issues with clear cache and uploads, Anyone? Fix: rm -rf app/cache/* rm -rf app/logs/* sudo chmod +a "www-data allow delete,write,append,file_inherit,directory_inherit" app/cache app/logs sudo chmod +a "`whoami` allow delete,write,append,file_inherit,directory_inherit" app/cache app/logs http://symfony.com/doc/current/book/installation.html Friday, June 8, 2012
- 91. Deploying PHP Friday, June 8, 2012
- 92. Deploying PHP Before going live Make sure ntpd is installed and running to ensure accurate server time yum install ntp chkconfig ntpd on ntpdate pool.ntp.org Friday, June 8, 2012
- 93. Deploying PHP Before going live - Limit access by IP <Location /admin> Order Deny,Allow Deny from all Allow from 1.2.3.4 </Location> Friday, June 8, 2012
- 94. Deploying PHP Before going live - Add HTTP Authentication <Location /admin> Require valid-user AuthType Basic AuthName "SG" AuthUserFile /path/users </Location> Friday, June 8, 2012
- 95. Deploying PHP Before going live - Quiet down Apache ServerTokens Prod Friday, June 8, 2012
- 96. Deploying PHP Before going live Move document root with .htaccess RewriteEngine On RewriteRule ^.htaccess$ - [F] RewriteCond %{REQUEST_FILENAME} -f RewriteRule ^.*$ - [NC,L] RewriteCond %{REQUEST_URI} !^/web/.*$ RewriteRule ^(.*)$ /web/$1 Friday, June 8, 2012
- 97. Deploying PHP Before going live - Case senstive filesystem IPCheck_Form_Index_Login != IpCheck_Form_Index_Login /path/to/file/IpCheck_Form_Index_Login.php <?php class IPCheck_Form_Index_Login { ... Friday, June 8, 2012
- 98. Deploying PHP - server-side vi - plain old FTP - SFTP - scp - rsync + ssh - git - tar / gzip - rpm / deb packages - capistrano / capifony Friday, June 8, 2012
- 99. Deploying PHP - server-side vi - plain old FTP - SFTP - scp - rsync + ssh - git - tar / gzip - rpm / deb packages - capistrano / capifony Friday, June 8, 2012
- 100. Deploying PHP Effing Package Management Build packages for multiple platforms (deb, rpm, etc) with great ease and sanity. fpm -s dir -t rpm -n "sfapp" -v 1.0 /var/www/sfapp fpm -s dir -t deb -a all -n sfapp -v 1.0 /etc/apache2/ conf.d/my.conf /var/www/sfapp https://github.com/jordansissel/fpm Friday, June 8, 2012
- 101. Deploying PHP Capifony - multiple servers - multiple environments - setup shared folders (vendors, cache, logs, etc) - copy files - update vendors - multi versions - rollback - restart apache Friday, June 8, 2012
- 102. Deploying PHP Automate! Friday, June 8, 2012
- 103. DNS Tips The Power of the hosts file Friday, June 8, 2012
- 104. DNS Tips The Power of the hosts file /etc/hosts 10.0.1.1 www.lottery.com Friday, June 8, 2012
- 105. DNS Tips The Power of the hosts file /etc/hosts 10.0.1.1 example1.com example2.com Friday, June 8, 2012
- 106. DNS Tips Virtual Document Root UseCanonicalName Off VirtualDocumentRoot /var/www/vhosts/%0/web <Location /var/www/vhosts> AllowOverride All Options +FollowSymLinks </Location> example.com => /var/www/vhosts/example.com/web example2.com => /var/www/vhosts/example2.com/web Friday, June 8, 2012
- 107. DNS Tips Nameservers/Expiration whois servergrove.com ... Name Servers: ns1.servergrove.com ns2.servergrove.com ns3.servergrove.com Creation date: 19 May 2005 23:34:36 Expiration date: 19 May 2014 23:34:00 Friday, June 8, 2012
- 108. DNS Tips DNS records dig -t A google.com ;; ANSWER SECTION: google.com. 184 IN A 74.125.230.227 google.com. 184 IN A 74.125.230.228 google.com. 184 IN A 74.125.230.229 google.com. 184 IN A 74.125.230.230 google.com. 184 IN A 74.125.230.231 google.com. 184 IN A 74.125.230.232 google.com. 184 IN A 74.125.230.233 google.com. 184 IN A 74.125.230.238 google.com. 184 IN A 74.125.230.224 google.com. 184 IN A 74.125.230.225 google.com. 184 IN A 74.125.230.226 Friday, June 8, 2012
- 109. DNS Tips DNS records dig -t A servergrove.eu @ns1.servergrove.com ;; ANSWER SECTION: servergrove.eu. 3600 IN A 149.5.47.100 Friday, June 8, 2012
- 110. DNS Tips traceroute traceroute google.com traceroute to google.com (173.194.37.33), 30 hops max, 40 byte packets 1 2.69-195-222.static.servergrove.com (69.195.222.2) 0.360 ms 0.365 ms 0.432 ms 2 t0-1-0-5.br2.mia.terremark.net (66.165.161.45) 1.558 ms 1.546 ms 1.532 ms 3 core1-1-0-0.mia.net.google.com (198.32.124.133) 0.238 ms 0.224 ms 0.230 ms 4 209.85.253.74 (209.85.253.74) 0.266 ms 0.283 ms 0.312 ms 5 209.85.254.252 (209.85.254.252) 12.764 ms 12.757 ms 12.749 ms 6 64.233.175.92 (64.233.175.92) 14.177 ms 14.257 ms 14.359 ms 7 atl14s07-in-f1.1e100.net (173.194.37.33) 13.653 ms 13.606 ms 13.618 ms Friday, June 8, 2012
- 111. DNS Tips http://whereisitup.com Friday, June 8, 2012
- 112. DNS Tips mtr Friday, June 8, 2012
- 113. Monitoring Friday, June 8, 2012
- 114. Monitoring Apache Requests <Location /server-status> SetHandler server-status Order deny,allow Deny from all Allow from .your_domain.com </Location> ExtendedStatus On Friday, June 8, 2012
- 115. Monitoring Apache Requests Friday, June 8, 2012
- 116. Monitoring - Cacti - Ganglia - Zabbix - collectd - statsd / StatsDBundle - graphite Friday, June 8, 2012
- 117. Monitoring statsd / StatsDBundle / Graphite Friday, June 8, 2012
- 118. Monitoring CPU / Memory / IO top Friday, June 8, 2012
- 119. Monitoring IO iotop Friday, June 8, 2012
- 120. Monitoring Network iptraf Friday, June 8, 2012
- 121. Monitoring Handling logs - Centralize logs with syslog error_log = syslog - Monolog supports syslog - logstash, logster, loggly, logio Friday, June 8, 2012
- 122. Speeding up Friday, June 8, 2012
- 123. Speeding up - nginx/php-fpm - APC - Memcache - nginx reverse proxy cache - Varnish Friday, June 8, 2012
- 124. Backups Friday, June 8, 2012
- 125. Backups - rsync - rdiff-backup - Unison - Bacula - Amanda Friday, June 8, 2012
- 126. Backups Donʼt forget to backup your DB! Friday, June 8, 2012
- 127. Reading List - Automating UNIX and Linux Administration - Running Linux - Learning the bash Shell: Unix Shell Programming Friday, June 8, 2012
- 128. The End Questions? Sysadmin skills for Symfony developers Friday, June 8, 2012
- 129. Feedback Please! https://joind.in/6605 Sysadmin skills for Symfony developers Pablo Godel @pgodel Thank you! Friday, June 8, 2012