Linux cheatsheet

From EKiniWiki

• SSH

  ssh -p <port_number>  username@website.com

• Check version

  uname -a

• installing something in linux

  ./configure
  make
  make install

• tar a target directory

  tar cfvzp filename.tar.gz /path/to/target_dir

• extract a tar file. This will overwrite existing folders/files.

  tar xfvzp filename.tar.gz

• dump and entire database into a file.

  mysqldump -uroot -p<password> database_name -R > file.sql

• import an sql file to a database

  mysql -uroot -p<password> database_name < file.sql

• creating a symbolic link

  ln -s /path/to/whatever linked-whatever

• delete all .svn directories in a directory recursively

  find . -name ".svn" -exec rm -rf {} \;

• convert encoding of file to another encoding. Useful in SQL Dumps. Example is thru exec() - a PHP Function

  exec('iconv -f "ISO-8859-1" -t UTF8 '.$path_to_file.'.csv > '.$new_temp_file.'.csv');

• use wget to download files from the command line. Running this will download the files in your present working directory - by typing PWD

   //with proxy - you must "use_proxy = on" in /etc/wgetrc
   wget http://wiki.ekini.net/images/9/90/Zend_quickstart.tar.gz --proxy-user=<username>  --proxy-passwd=<password>
   
   //without proxy
   wget http://wiki.ekini.net/images/9/90/Zend_quickstart.tar.gz

• List process

  ps aux | grep <process-name>
  ps aux | grep httpd //will list any process with httpd

• PEAR behind an authenticated proxy server. set the http_proxy to be able to download and install PEAR packages

  pear config-set http_proxy http://username:password@yourproxy:80