Root, Qubits & Qualia

make sure your fedora 20 is up to date yum update reboot then sudo fedup --network 21 --product=nonproduct Once Fedup completed R...

Necessary when for example you are configuring a Redhat Server without a paid for subscription at lease this gives you access to all the p...

Using systemctl to Manage Services Note: For in all examples below, the format of may also be used instead - though it is not required i...

I know this is Windows related,  but the solution involves using gdisk which is a Linux tool. For this you will need a Fedora Live CD an...

command 2>&1 | tee -a filename.txt eg ls 2>&1 | tee -a  directory_list.txt

Clear screen cntrl l  ssh connection to unreachable host through a reachable host ssh -t reachable_host ssh unreachable_host  set an ...

To enable logging of your sftp sessions Replace the susbsystem line in your /etc/ssh/sshd_config with Subsystem    sftp    /usr/libexe...

The folder /etc/profile.d/ is the recommended place to add customizations to the system profile. do not edit /etc/profile  rather add fi...

How to undelete files from ext3/ext4 partition When you accidentally delete a file or files or an entire directory extundelete can recove...

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...