6 articles tagged "dd command"

Quickly Backup / dump MySql / Postgres database to another remote server securely
Using UNIX pipe concept one can dump database to another server securely using ssh protocol. All you need remote execution rights for the ‘dd’ command, over SSH. This allows you to run database dumps across an encrypted channel.

Dump Postgres Database using ssh
Use pg_dump command command:
pg_dump -U USERNAME YOUR-DATABASE-NAME | ssh user@remote.server.com “dd of=/pgsql/$(date +’%d-%m-%y’)”
Dump [...]
Linux server memory check
If your server crashes regularly it could be a buggy kernel, a driver, power supply or any other hardware part. Memory (RAM) is one of the critical server parts. Bad memory can cause various problems such as random Linux server restart or program segfaults.
Generally, I recommend using memtester command. It is an effective [...]
nixCraft FAQ Roundup - Dec 8, 2008
Recently updated/posted Linux and UNIX FAQ:
=> Boot Ubuntu Linux into Rescue mode to fix system - How do I boot my Ubuntu Linux server into Rescue mode to fix system?
=> Unable to create installation source - Add directories into YaST as an installation source - I have created my own patch files on the hard [...]
Repairing ReiserFS file system with reiserfsck
The idea and commands in this article submitted by Jacques Wagener via email. In his own words, “After nuking my partition by accident (and through my stupidity) I was really disappointed in myself, especially in losing my bookmarks and rss-feeds”. The following article is based upon our email communication. I am just [...]
Linux: How to backup hard disk partition table (MBR)
If you don’t want to take any chances with your data, it is recommended that you backup hard disk partition table. Last Friday I was discussing some issues with one of our customer and he pointed out me dd command.
Backup MBR with dd command
dd the old good command which now backup partition tables even writes [...]
How Do I Make Linux / UNIX Filesystem Backup With dd?

Explains how to make a backup (track by track) using dd command under UNIX / Linux operating system.