~$ sudo apt-get

Archive for January, 2010

Fast large file finder

by on Jan.20, 2010, under Linux

The following will display all files over 100MB in size on the server except for those in /proc.

find / -path /proc -prune -o -type f -size +102400k -printf "%s %h/%f\n" | sort -rn -k1 | head -n 50 | awk '{ print $1/1048576 "MB" " " $2}'

For a specific case, multiple paths.

find / -path /images -prune -o -path /var/run/sr-mount -prune -o -path /proc -prune -o -type f -size +102400k -printf "%s %h/%f\n" | sort -rn -k1 | head -n 50 | awk '{ print $1/1048576 "MB" " " $2}'

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Install PHP Modules via PECL

by on Jan.13, 2010, under Apache, PHP

First, mount the /tmp partition with exec permissions.

mount -o remount,exec /tmp

To install a package via pecl, run the following.

pecl install ssh2
(If the package is in a state other than stable, append the state after the package name ‘pecl install ssh2-beta’)

Last few lines of the module install will list the location of the library, usually /usr/lib/php/modules. Create a ini file with the module name within /etc/php.d/ with the extension directive.

# cat /etc/php.d/gd.ini
; Enable gd extension module

At this point, run the mount command to reestablish noexec for the /tmp partition.

mount -o remount,noexec /tmp

Gracefully restart apache and you are done.

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Reset mySQL root password

by on Jan.12, 2010, under mySQL

First, insert the init-file directive into the mySQL configuration under the [mysqld] section.


Create /var/lib/mysql/mysql-init with the following line. Replace ‘Changeme’ with a password of your choosing.

SET PASSWORD FOR ‘root’@’localhost’=password(‘Changeme’);

Restart the mySQL service and login as root with the password used above. Remember to remove the init-file directive and the init file you created once complete.

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