GadElKareem

Archive for the ‘Blog’ Category

• Add full previews to your twitter feed on WordPress using Ozh’ Tweet Archiver

  Thursday, May 17th, 2012

  Ozh’ Tweet Archiver is a WordPress plugin that can archive your tweets on your own blog; it simply creates a new post for each tweet. Additionally, it offers converting hashtags to WordPress tags, and several other features. Nevertheless, one feature, I thought might be interesting, is to process the links on tweets and show them as a Facebook feed. Recently, I modified the code and it worked very well on my blog: Gadelkareem Tweets.

  - All we need is to modify the “wp-content/plugins/ozh-tweet-archiver/inc/import.php” file as following: (more…)

• Disqus problem with wordpress “unable to connect to the disqus api servers”

  Friday, March 16th, 2012

  I recently installed Disqus plugin for WordPress; however, I have been receiving this message “unable to connect to the disqus api servers.” By looking into the source code, it looks like curl is the problem! more specifically the _dsq_curl_urlopen() function, but I did not investigate this error further. As fortunately, we can easily switch to the alternative function _dsq_fsockopen_urlopen().
  (more…)

• Install Sphinx 2.0.4 on CentOS 6.2

  Monday, March 12th, 2012

  - Make sure to check CentOS, PHP-FPM, Nginx, memcached and MYSQL posts.

  - Get fresh RPM from sphinxsearch.com

  - Install Sphinx

  rpm -Uhv http://sphinxsearch.com/files/sphinx-2.0.4-1.rhel6.x86_64.rpm

  - Create sample MySQL database
  (more…)

• Watch log files on Linux server with Swatch 3.2.3

  Sunday, March 4th, 2012

  - Make sure to check CentOS, PHP-FPM, memcached and MYSQL posts.

  - get a fresh package from Swatch project

  wget "http://downloads.sourceforge.net/project/swatch/swatch/3.2.3/swatch-3.2.3.tar.gz?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Fswatch%2F&ts=1330806322&use_mirror=garr"
  tar xfz swatch-3.2.3.tar.gz 
  cd swatch-3.2.3
  cpan -i Date::Format File::Tail
  cpan -i Date::Manip Date::Calc
  cpan -i Test::Inter Test::Pod Test::Pod::Coverage Module::Build
  cp /root/.cpan/sources/authors/id/S/SB/SBECK/Date-Manip-* .
  tar xfz Date-Manip-*.tar.gz
  cd Date-Manip-*
  perl Build.PL 
  ./Build install
  cd ..
  perl Makefile.PL
  make install

  - configure swatch
  (more…)

• Install Nginx 1.0.12 for PHP-FPM on CentOS 6.2

  Saturday, March 3rd, 2012

  - Make sure to check PHP-FPM, memcached and MYSQL posts.
  - get the latest package from wiki.nginx.org

  mkdir nginx
  cd nginx
  wget http://nginx.org/download/nginx-1.0.12.tar.gz
  tar xfz nginx-1.0.12.tar.gz 
  cd nginx-1.0.12
   
  #Change server string
  vi src/http/ngx_http_header_filter_module.c
  #change
  static char ngx_http_server_string[] = "Server: example.com" CRLF;
  static char ngx_http_server_full_string[] = "Server: example.com" CRLF;
   
  #change
  vi src/http/ngx_http_special_response.c
  # replace '"<hr /><center>nginx</center>" CRLF' and '"<hr /><center>" NGINX_VER "</center>" CRLF'
  "<hr /><center>example.com</center>" CRLF
   
  #create tmp dirs
  mkdir /server/tmp /server/tmp/nginx /server/tmp/nginx/client /server/tmp/nginx/fcgi /server/tmp/nginx/proxy
  chmod -R 777 /server/tmp

  -install Nginx
  (more…)

• install memcached 1.4.13 on CentOS 6.2

  Wednesday, February 29th, 2012

  - Make sure to check PHP-FPM and MYSQL posts.

  - One of the dependencies of memcache is libevent, get latest version from libevent.org

  mkdir libevent
  cd libevent
  wget https://github.com/downloads/libevent/libevent/libevent-2.0.17-stable.tar.gz
  tar xfz libevent-2.0.17-stable.tar.gz
  cd libevent-2.0.17-stable

  - get latest version from memcached.org
  (more…)

• Install PHP 5.3.10 with PHP-FPM on CentOS 6.2 64-bit

  Wednesday, February 29th, 2012

  - Make sure to check Nginx, memcached and MYSQL posts.

  - remove old version

  #find installed packages
  rpm -qa | grep php
  #remove php packages
  yum remove php php-devel php-cli php-pear php-common php-pdophp-xml php-gd

  - download package from PHP.net

  mkdir php
  cd php
  wget http://www.php.net/get/php-5.3.10.tar.bz2/from/us.php.net/mirror
  tar jxf php-5.3.10.tar.bz2
  cd php-5.3.10
   
  #install PHP
  ./configure  \
  	--with-zlib --with-curl --with-curlwrappers --enable-ftp --with-mysql --with-jpeg-dir --with-png-dir --with-gd --enable-gd-native-ttf --with-freetype-dir \
  	--enable-zip --with-openssl --with-bz2 --enable-mbstring  \
  	--enable-inline-optimization --disable-debug \
  	--with-config-file-path=/etc \
  	--enable-fpm --with-fpm-user=www --with-fpm-group=www --with-libdir=lib64;
  make all install;
   
  #add php-fpm service
  cp  sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
  chmod +x /etc/init.d/php-fpm
  chmod 666 /usr/local/var/run

  - Configure php-fpm
  (more…)

• install curl 7.24 on CentOS 6.2

  Monday, February 27th, 2012

  - Make sure to check PHP-FPM post.

  - install from source

  wget http://curl.haxx.se/download/curl-7.24.0.tar.bz2
  tar xfj curl-7.24.0.tar.bz2
  cd curl-7.24.0
  ./configure --prefix=/usr
  make
  make install
  #check version
  curl -V

• Install MySQL 5.5.21 64-bit RPM on CentOS 6.2 x86_64

  Monday, February 27th, 2012

  Check Installing CentOS 6.2 on VMware, Install PHP 5.3.10 with PHP-FPM on CentOS 6.2 64-bit, Install Nginx 1.0.12 for PHP-FPM on CentOS 6.2 and install memcached 1.4.13 on CentOS 6.2 posts.

  - Remove old version

  yum remove mysql mysql-devel mysql-server mysql-libs

  - Download the needed packages from http://dev.mysql.com/downloads/mysql/#downloads
  Download URL varies depending on download mirror

  mkdir mysql
  cd mysql
  #MySQL-client-5.5.21-1.linux2.6.x86_64.rpm 
  wget http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-client-5.5.21-1.linux2.6.x86_64.rpm/from/http://na.mirror.garr.it/mirrors/MySQL/
  #MySQL-shared-5.5.21-1.linux2.6.x86_64.rpm
  wget http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-shared-5.5.21-1.linux2.6.x86_64.rpm/from/http://it.mysql.contactlab.it/
  #MySQL-devel-5.5.21-1.linux2.6.x86_64.rpm
  wget http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-devel-5.5.21-1.linux2.6.x86_64.rpm/from/http://na.mirror.garr.it/mirrors/MySQL/
  #MySQL-server-5.5.21-1.linux2.6.x86_64.rpm
  wget http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-server-5.5.21-1.linux2.6.x86_64.rpm/from/http://it.mysql.contactlab.it/
  #MySQL-shared-compat-5.5.21-1.linux2.6.x86_64.rpm
  wget http://dev.mysql.com/get/Downloads/MySQL-5.5/MySQL-shared-compat-5.5.21-1.linux2.6.x86_64.rpm/from/http://mysql.mirrors.hoobly.com/
   
  #install
  rpm -Uvh *
  #create log dir
  mkdir /var/log/mysql
  chmod 777 /var/log/mysql
   
  #start MySQL
  /etc/init.d/mysql start
  #add root password
  /usr/bin/mysqladmin -u root password 'new-password'
  /usr/bin/mysqladmin -u root -h centos6.vmware.local password 'new-password'

  - configure mysql more info

  vi /etc/my.cnf

  (more…)

• Configuring vsFTPd on CentOS with different port

  Monday, February 27th, 2012

  Check Installing CentOS 6.2 on VMware post.

  - make sure SELINUX is disabled and iptables is configured for FTP

  - add ftp user

  adduser ftpuser -g ftp -s /sbin/nologin -d /server
  #set password
  passwd ftpuser

  - configuration, more info
  (more…)