Root, Qubits & Qualia

To install a list of specific  packages that are installed on one server to another server . rpm -qa > installed.txt will create a...

You want to grant user cgerada root privelages to all programs except one, lets use tcpdump in this example. ie we want to prevent cgerada...

To send continuous packets to a port on a server useful for when your are tracing packets to troubleshoot a VPN or connection problem. Th...

When connecting to Windows servers using Linux rdesktop use the following command to connect to the windows server rdesktop eg rdesktop ...

Edit /etc/default/grub with your favorite editor, sudo vim  /etc/default/grub Find this line: GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash...

To find out when your Root partition was created. type sudo tune2fs -l $(df -h / |(read; awk '{print $1; exit}')) | grep -i crea...

My Blue Ray Player does not play .mp4 files (x264) To convert .mp4 files  to .mkv using ffmpeg sudo yum install ffmpeg    (To install ffm...

When ever you upgrade Java, the old version is always left on the server and is still in use. You will have to do the following to activat...

2 Way directory Synchronization I found unison is a better option than rsync if the files in both locations frequently change, or if you w...

This will chroot (restrict) all sftp users to their home directory on your SFTP server type group add sftpusers vim /etc/ssh/sshd-con...

yum install cryptsetup Switch off swap swapon -a comment out existing swap partition is /etc/fstab #/ dev/mapper/VolGro...

When you need to mount a remote directory securely use SSHFS which is a much easier quicker option than trying to tunnel NFS over an ssh t...

Receiving Vcard Meeting requests that have been generated in Microsoft exchange or MS outlook arrives in to your Mutt inbox, as an illegibl...

By default, when you press the p key to print a message in mutt, you will not be prompted to choose a printer. Mutt will just print to th...

su - yum install gnome-common gtk3-devel glib2-devel intltool automake autoconf vala wget gnome-tweak-tool wget https://github.com/sim...

Suse does not have rc.local enabled by default. which means it is difficult to have a program automatically start up, after your system ...

Insure that your system has more than 600MB of RAM, The upgrade requires this.(1GB or more is recommended) First change to root user ...

This will check your machine for a specified process. As soon as that process stops running , your machine will power off. This is usef...

This  joins your Linux machine to a Windows Active Directory domain and allows you to share your samba shares to users of the Active Direct...

Running out of Disk Space ? want to see which files are the largest files on your system and are contributing to filling up your hard disk....