Restart network in Ubuntu from command line

If you’ve changed network configuration file /etc/network/interfaces for example you probably whish to apply changes. You can do it by two commands that I will write about in this article. Say for example that you’ve changed network configuration and need to apply these changes. Ofcourse you could restart your computer but it’s much easier to … Read more

ext3-fs: error loading journal

After a power surge, your linux server could be rendered un-bootable because of a corrupt file-system journal. If you are lucky and there are no physical errors, then the following could get your computer back to life. 1. Boot the linux box using live-cd (any bootable installer for server computers). 2. Choose “rescue a broken … Read more

How to securely copy from one remote server to another

To copy files from a remote location to another remote location you can use a command line utillity scp. Example: scp -r local_folder/ remote_user@www.remotehost.tld:/home/username/backup_folder/ If you want to copy all files in local_folder directory just add a jokder (*) like this: scp -r local_folder/* remote_user@www.remotehost.tld:/home/username/backup_folder/

Ubuntu server – you have mail

When you login into your ubuntu server and a message appears that you have mail than you’ve got a system mail. To read system mail you need to install a command based mail client. I suggest you to install a tiny mail client called mail which is part of mailutils. Install mailutils by typing: sudo … Read more

Optimize your pages easily with mod_pagespeed

Google anounced last week release of mod_pagespeed. Pagespeed is an apache module that helps you optimize server side page speed. It will compress and combine your CSS and JavaScript files, optimize caching settings, remove comments and whitespace from your files, optimize images, etc. The good news is that you can install mod_pagespeed as a package … Read more

Auto login into network share from Windwos

I have not managed yet how to auto login into my samba share from windows. Even if you tell Windows to autologin the next time you restart your computer you have to manually type the password for your network share. However I came up with an ugly solutions and that is to create a batch … Read more

Where is mysql data directory?

Usually mysql data directory resides in the /var/lib/mysql/By mysql data means all the databases that are created on your mysql server are stored in that directory. The fastest way to check where your mysql data directory resides is to look inside your my.cnf file. cat /etc/mysql/my.cnf | grep datadir As I mentioned the default directory … Read more