Openssl is one of the best tools which can be used to encrypt/decrypt files. You can password protect your important data to avoid misuse. To encrypt your files use the command: openssl des3 -salt -in $FILENAME -out ${FILENAME}.des3 To decrypt the file use the command: openssl des3 -d -salt -in ${FILENAME}.des3 -out ${FILENAME} You can…
The stats helper monkeys at WordPress.com mulled over how this blog did in 2010, and here’s a high level summary of its overall blog health: The Blog-Health-o-Meter™ reads Fresher than ever. Crunchy numbers A Boeing 747-400 passenger jet can hold 416 passengers. This blog was viewed about 11,000 times in 2010. That’s about 26 full…
Linux Explore stats month September 2012
This is actually, I want to share, how I learned the shell scripting. It may be helpful for beginners. I am writing it step by step so that it will easy to understand: STEP 1: Do your task manually & prepare the steps. If you know the basic Linux commands, it will help you to…
yum is a package management tool, used to install, uninstall or update the Linux (CentOS, RHEL, Fedora etc.) packages. You can use yum with root privilege only. To install a package: yum install packagename To update a package, if already install or to install a package: yum update packagename To reinstall a installed package: yum…
Open the /etc/rsyslog.conf file for syslog configuration in fedora Linux (some linux like CentOS has /etc/syslog.conf). It will show the something similar as given below: # Log all kernel messages to the console. # Logging much else clutters up the screen. #kern.* /dev/console # Log anything (except mail) of level info or higher. # Don’t…
1. First step is to create a special FIFO file using mkfifo command, where you want to see the packet capture using WireShark. This file will use to read & write simultaneously using WireShark & tcpdump. mkfifo /tmp/packet_capture 2. Second give the following ssh command on your terminal, to start the tcpdump on remote PC.…
Few interesting commands which can be used to send the messages on other terminal or network: 1. wall: This command is used to broadcast a message on all terminals. For e.g.: wall “Hello, message testing” or cat msg.txt | wall 2. write: This command is used to send message to a user & selected terminal…
Check & close the applications which are using any mounted partition or folder If you are using a separate partition for your applications, you need to mount that partition to a folder. Then only you can store & run the application. But if you want to umount that partition again, first you need to close…
PAM Radius Module allows any PAM-capable machine to become a RADIUS client for authentication and accounting requests. The actual authentication will be performed by a RADIUS server. The freeradius can be used for radius server. Download the PAM Radius Module To download the PAM Radius module, click here. Installing & configuring PAM Radius Module To…