How can I create and use my own Certificate Authority (CA)? 1. Create a RSA private key for your CA (will be Triple-DES encrypted and PEM formatted): $ openssl genrsa -des3 -out ca.key 1024 Please backup this ca.key file and remember the pass-phrase you currently entered at a secure location. You can see the details […]
I did a fresh install of F9. One of the first things that I did after install was run “yum update” to get the latest updates. About half way through, the process got stopped by SELinux. I disabled SE and tried to rerun “yum update”. The update would no longer work however, due to a […]
There is a few software that will use the editor command to find out what text editor to use. Example commands will be dch to add a new .deb changelog entry, revision control softwares when prompting for a commit message … There is basically 2 ways for changing the default editor: * System wide * […]
How to test microphone with Audio Linux Sound Architecture – ALSA 1. List of sound devices 2. Test MIC 3. Play test-mic.wav Sometime a need comes to test microphone for use with VOIP applications such us Skype. The simplest and easiest way to test microphone ( MIC ) on your linux system is to use […]
Lightscreen is a simple tool to take screenshots of your desktop and applications in Microsoft Windows. Lightscreen allows you to automate the tedious process of saving and cataloging screenshots. Once you install Lightscreen, it operates as a hidden process in the background. However, you can invoke the Lightscreen GUI via the System tray icon. Talking […]
Remmina is a remote desktop client written in GTK+, aiming to be useful for system administrators and travellers, who need to work with lots of remote computers in front of either large monitors or tiny netbooks. Remmina supports multiple network protocols in an integrated and consistant user interface. Currently RDP, VNC, XDMCP and SSH are […]
check out this nice tutorial on email notification for root logins. Keeping track of who logs into your server and when is very important, especially when you’re dealing with the super user account. 1. Login to your server and su to root, I know the irony! 2. cd /root 3. pico .bashrc 4. Scroll to […]
Linux : Shell Script To Install usermin #!/bin/bash # simple bash script that will install usermin # By www.kartook.com echo “This script will install usermin on your box” yum -y install perl-Net-SSLeay # move to a temp director cd /tmp wget http://downloads.sourceforge.net/project/webadmin/usermin/1.440/usermin-1.440.tar.gz?use_mirror=space gunzip usermin-1.440.tar.gz tar xf usermin-1.440.tar cd usermin-1.440 ./setup.sh /usr/local/usermin When the setup.sh script […]
This is a bash script which installs webmin On A Linux System. #!/bin/bash # simple bash script that will install Webmin # By www.kartook.com echo “This script will install webmin on your box” yum -y install perl-Net-SSLeay # move to a temp director cd /tmp wget http://prdownloads.sourceforge.net/webadmin/webmin-1.510.tar.gz gunzip webmin-1.510.tar.gz tar xf webmin-1.510.tar cd webmin-1.510 ./setup.sh […]