Categories
SysOps

How to change RRD data source name

To change the data source name, you need to check its current value and then issue single rrdtool command.

Categories
SysOps

How to get disk UUID

I recently needed to know the UUID (universally unique identifier) of my bootable USB root partition. It is a better way to distinguish storage devices because device names can change depending on the connection order.

Categories
SysOps

Boot to RAM notes

This post contains notes on this topic in the form of a concise guide.

Categories
SysOps

How to check the progress of the dd process

Check the progress of the dd process.

Categories
SysOps

Ubuntu and recent problems related to PHP

Recently I run into small problems related to PHP. Problem A – sqlite.so The first one was a PHP warning: PHP Warning: PHP Startup: Unable to load dynamic library ‘/usr/lib/php5/20090626/sqlite.so’ – /usr/lib/php5/20090626/sqlite.so: cannot open shared object file: No such file or directory in Unknown on line 0 PHP tried to load sqlite.so from /etc/php5/conf.d/sqlite.ini (php5-sqlite […]

Categories
SecOps SysOps

How to check established TCP connections

Display established TCP connections inside the terminal.

Categories
SysOps

ODIN – Free Disk Imager

From time to time I need to backup/restore OS on the CF card using Windows machine.

Categories
SysOps

How to do some work in each active jail (FreeBSD7)

Execute a set of commands inside each active jail.