ps -eo pid,pmem,cmd
- Shows the memory usage of the processes that are currently running.
updatedb
- Updates the locate database.
locate String
- Very fast find routine.
Monday, 31 January 2011
Useful tools for linux
Thursday, 27 January 2011
Possibly Useful
http://osticket.com/index.php
http://drupal.org/project/support
http://drupal.org/documentation/modules/statistics
http://drupal.org/project/coder - code verification for modules
http://drupal.org/project/support
http://drupal.org/documentation/modules/statistics
http://drupal.org/project/coder - code verification for modules
Monday, 17 January 2011
MySQL
If the tar contains the binaries
groupadd mysql
useradd -r -g mysql mysql
cd /usr/local
ln -s /usr/local/src/msyql-VERSION mysql
cd mysql
chown -R mysql .
chgro -R mysql .
scripts/mysql_install.db --user=mysql
chown -R root .
chown -R mysql data
bin/mysqld_safe --user=mysql &
.bin/mysql_secure_installation
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql.server
Postgresql
./configure --prefix=/usr/local/pgsql
gmake
gmake install
adduser postgres
mkdir /usr/local/pgql/data
su - postgres
/usr/local/pgsql/bin/initdb -D /usr/local/pgsql/data
/usr/local/pgsql/bin/pg_ctl -D /usr/local/pgsql/data -l logfile start
Testing
/usr/local/pgsql/bin/createdb test
/usr/local/pgsql/bin/psql test
Preparing for Drupal
Making sure Apache and MySQL run on start-up
chkconfig mysqld on
look at the rc.local file for apachectl
disable SE Linux
Copy drupal files into /var/www/html
cp default/default.settings.php default/settings.php
mkdir default/files
chmod a+w default/settings.php
chmod -R a+w default/files
Configuring Apache/PHP
./configure --prefix=/usr/local/apache --enable-so
make
make install
vi /usr/local/apache/conf/httpd.conf
Add the places from the webpages - usually this will not actually be in the same place as you are running apache and it is most commonly /var/www/html
/usr/local/apache/bin/apachectl -k start
Upgrading
copy the config.nice file from the working version of the server to the new version directory. Use a new prefix and a different port to test the configuration - change the Listen directive to specify the new port.
./config.nice
make
make install
usr/local/apache/bin/apachectl -k graceful-stop
usr/local/apache/bin/apachectl -k start
add a call to apachectl to the rc.local file so that it autostarts.
PHP
./configure --prefix=/usr/local/php \
--with-apxs2=/usr/local/apache/bin/apxs \
--with-config-file-path=/usr/local/php \
--with-gd \
--with-mysql=/usr/local/mysql/ \
--with-mysqli=mysqlnd \
--with-pdo-mysql=mysqlnd \
--with-pgsql=/usr/local/pgsql
make
/usr/local/apache/bin/apachectl stop
make install
Edit httpd.conf to add
LoadModule php5_module modules/libphp5.so
AddType application/x-httpd-php .php
<Files *.php>
SetOutputFilter PHP
SetInputFilter PHP
</Files>
Edit php.ini for pgsql and mysql lines removes the ; but not on the dll lines.
Sunday, 16 January 2011
Setting up MySQL
When you add MySQL to your Linux (in my case Fedora) system it has a root account but no password! This is not a very good idea and so the first thing that you need to do is create a root account and password. You do this using the mysqladmin tool as root.
# mysqladmin -u root password new_password
Where new_password is the new password (not just the word new_password).
You can now login to the MySQL using the root username and password and create a new account.
# mysql -u root -p
...
mysql> CREATE USER 'drupal'@'localhost' IDENTIFIED BY 'password';
You need to the exit (use quit) and use mysqladmin again to create the database.
# mysqladmin -u root -p create drupalbase
# mysql -u root -p
...
mysql> GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, LOCK TABLES, CREATE TEMPORARY TABLES ON drupalbase.* TO 'drupal'@'localhost' IDENTIFIED BY 'password';
# mysqladmin -u root password new_password
Where new_password is the new password (not just the word new_password).
You can now login to the MySQL using the root username and password and create a new account.
# mysql -u root -p
...
mysql> CREATE USER 'drupal'@'localhost' IDENTIFIED BY 'password';
You need to the exit (use quit) and use mysqladmin again to create the database.
# mysqladmin -u root -p create drupalbase
# mysql -u root -p
...
mysql> GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, LOCK TABLES, CREATE TEMPORARY TABLES ON drupalbase.* TO 'drupal'@'localhost' IDENTIFIED BY 'password';
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