There are times whenever you plan to upgrade your computer’s (or server’s) hardware, but you don’t know or you forgot what you bought a year a go. There are few possibilities to get your information, although some comes as package with most of the modern distros, where others need to be installed from source or from external to your distribution repository.
Having your network interface card auto-negotiate the connection speed sometimes causes big troubles in terms of data packet loss. Your best friend in such situations is ethtool which is really easy to use, once you get to know it.
Have you tried to send a mail to one of your WHM accounts and you didn’t got anything in the inbox? A client of yours tells you he haven’t been receiving mails for some time, although he has been notified he will get mail? All of a sudden you receive bounce-back mails which includes “550 Unrouteable address” or “550 Sender verify failed” message? This could be because of multiple causes
You can easily create short-cuts for servers you are using frequently, by creating a local configuration file for SSH. By using such configuration file, you can configure more advanced options for your SSH connections.
To do this, we will be using a terminal application (default available terminal application for gnome is gnome-terminal, of course you can use guake as well).
When you get a dedicated server, you have one main and shared IP address, which is being used by every non-reseller account for which you do not chose dedicated IP. There is no functionality in WHM which would allow you to have multiple shared IP addresses on the same account, but that is achievable via SSH and some editing of cPanel configuration files.
Installed Gnome 3 with your distribution’s automatic upgrades, or you just installed your new system with Gnome 3 and you don’t know how to automatically start applications when you login in the desktop environment? This had me puzzle for a while as well. The solution is truly simple, also it’s being provided by applications you’ve already seen in older Gnome releases, it’s just they do not have the usual “shortcut” in your gnome-shell.
We will start with installing alacarte (if you don’t have it already of course).
Maybe some of you searched how to convert mp3 to audo format which can be listened on any cd player. Actually, the audo format which most people knows as “cda” is just “wave” file (file with .wav or .aiff extension). The linux command to convert a lossy mp3 to loseless wav is pretty simple:
Did you ever had to check multiple directories on multiple linux boxes, to copy or maintain files on all of them and even create a batch files to automate your tasks?
Here is a simple way to implement grsync (graphical rsync backend) with fuse file system over ssh for (graphical) backup of certain directories:
Under *nix operating system, there is a command to find files and folders, called the same way – find.
Are you tired of all the windows users browsing through images and creating “Thumbs.db” files?
Here is how you can remove these files with just one command:
Recently there has been problem found with gnome menus – on applications such as evolution and pidgin, the main menu disappeared.
Apparently, this is a bug in the gnome desktop environment.
The solution:
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