Showing posts with label linux. Show all posts
Showing posts with label linux. Show all posts

Friday, November 29, 2019

Kali Linux 2019.4 Release | How to upgrade to latest version?

Kali Linux 2019.4 Release

 

 

2019.4 includes some exciting new updates:
  • A new default desktop environment, Xfce
  • New GTK3 theme (for Gnome and Xfce)
  • Introduction of “Kali Undercover” mode
  • Kali Documentation has a new home and is now Git powered
  • Public Packaging – getting your tools into Kali
  • Kali NetHunter KeX – Full Kali desktop on Android
  • BTRFS during setup
  • Added PowerShell
  • The kernel is upgraded to version 5.3.9
  • … Plus the normal bugs fixes and updates.

New Desktop Environment and GTK3 Theme
There are a ton of updates to go over for this release, but the most in your face item that everyone is going to notice first are the changes to the desktop environment and theme. So let’s cover that first.

An update to the desktop environment has been a long time coming. We have been talking about how to address this, what we wanted to do, experimenting on different approaches, and so on for months now. As a summary we had a few issues we wanted to address head-on:

Performance issues – Gnome is a fully-featured desktop environment with a ton of awesome things it can do. But all these features comes with overhead, often overhead that is not useful for a distribution like Kali. We wanted to speed things up, and have a desktop environment that does only what it’s needed for, and nothing else. Gnome has been overkill for most Kali users, as many just want a window manager that allows you to run multiple terminal windows at once, and a web browser.

Fractured user experience – We support a range of hardware, from the very high end to the very low. Because of this, traditionally our lower-end ARM builds have had a completely different UI than our standard. That’s not optimal, and we wanted to unify this experience so it did not matter if you were running on a bare metal install on a high end laptop or using a Raspberry Pi, the UI should be the same.

Modern look – We have been using the same UI for quite a while now, and our old theme maintainer had moved on due to lack of time. So we wanted to go with something fresh, new, and modern.


Kali Undercover

With the change to the environment, we thought we would take a side step and do something fun. Thanks to Robert, who leads our penetration testing team, for suggesting a Kali theme that looks like Windows to the casual view, we have created the Kali Undercover theme.

 you are working in a public place, hacking away, and you might not want the distinctive Kali dragon for everyone to see and wonder what it is you are doing. So, we made a little script that will change your Kali theme to look like a default Windows installation. That way, you can work a bit more incognito. After you are done and in a more private place, run the script again and you switch back to your Kali theme. Like magic!



Download Kali Linux 2019.4

Also, just to mention we do also produce weekly builds that you can use as well. If it’s been some time since our last release and you want the latest packages you don’t have to go off our latest release and update. You can just use the weekly image instead, and have fewer updates to do. Just know these are automated builds that we don’t QA like we do our standard release images.

If you already have an existing Kali installation, remember you can always do a quick update:

root@kali:~# cat </etc/apt/sources.list
deb http://http.kali.org/kali kali-rolling main non-free contrib
EOF
root@kali:~#
root@kali:~# apt update && apt -y full-upgrade
root@kali:~#
root@kali:~# [ -f /var/run/reboot-required ] && reboot -f
If you want to switch to our new Xfce:
root@kali:~# apt -y install kali-desktop-xfce
You should now be on Kali Linux 2019.4. We can do a quick check by doing:
root@kali:~# grep VERSION /etc/os-release
VERSION="2019.4"
VERSION_ID="2019.4"
VERSION_CODENAME="kali-rolling"
root@kali:~#
root@kali:~# uname -v
#1 SMP Debian 5.3.9-3kali1 (2019-11-20)
root@kali:~#
root@kali:~# uname -r
5.3.0-kali2-amd64
root@kali:~#
NOTE: The output of “uname -r” may be different depending on architecture.
As always, should you come across any bugs in Kali, please submit a report on our bug tracker. We’ll never be able to fix what we don’t know about.

Wednesday, November 27, 2019

hardware information commands cheatsheet | Redhat linux






2 - HARDWARE INFORMATION

dmesg                                       # Display messages in kernel ring buffer
cat /proc/cpuinfo                      # Display CPU information
cat /proc/meminfo                    # Display memory information
free -h                                       # Display free and used memory ( -h for human readable,
-m for MB, -g for GB.)
lspci -tv                                     # Display PCI devices
lsusb -tv                                    # Display USB devices
dmidecode                                # Display DMI/SMBIOS (hardware info) from the BIOS
hdparm -i /dev/sda                    # Show info about disk sda
hdparm -tT /dev/sda                 # Perform a read speed test on disk sda
badblocks -s /dev/sda               # Test for unreadable blocks on disk sda

Redhat system information commands cheat sheet

1 - SYSTEM INFORMATION

uname -a                                  # Display Linux system information
uname -r                                  # Display kernel release information
cat /etc/redhat-release             # Show which version of redhat installed
uptime                                     # Show how long the system has been running + load
hostname                                 # Show system host name
hostname -I                             # Display the IP addresses of the host
last reboot                               # Show system reboot history
date                                         # Show the current date and time
cal                                           # Show this month's calendar
w                                             # Display who is online
whoami                                   # Who you are logged in as


Friday, November 22, 2019

Linux Red Hat Commands

                                                            Download pdf


1.      who = It will display a list of users who are connected with their time and
          priority. If priority is 1 Log in , If 0 log Out.

2.      who am i = It will display current login details.

3.      stty = It will display the status of machine.

4.      tty = It  will display terminal where current user is working.

5.      cd = It is used for different purpose.

          a.      only Cd is type = back to prev folder
          b.      cd folder-name it will call specific directory which is already available.
          c.      cd folder-names it will create new folder

6.      pwd = It will display current path

7.      ls = It will display all the available files and folder in a specific location.

8.      ls -l = It will display all files with their permission and properties.
           Permission:
                    read(1) write(2) Execute(4)

9.      mkdir <dirname> = to create a new directory

10.   cat>file_name = to create txt file

11.   gedit filename = to create wordfile and other format file

12.   rm filename = remove file

13.   rm -f filename = remove file forcely

14.   rm -r dir = remove directory

15.   rm -rf dir = remove dir forcely

16.   w = will display current login user

17.   ps = to display current process

18.   Top =to display top files

19.   Touch filename = create file

20.   Gedit filename = edit file

21.   Cp file1 file2 = used to copy file from 1 to 2 file

22.   Mv file1 file2 = to move file1 to file 2

23.   Mv -r dir dir = to move directory

24.   Cp -r dir dir = copy dir

25.   Tail = used to display content last 10

26.   Head = used to display first 10 output

27.   Changing Permission
i)       Chmod rwx file-name                     
ii)      Chmod 777 file-name                          
iii)    Chmod 735 filename

Owner User Group
1         2        4

Tuesday, November 19, 2019

Steps to Install Red Hat Linux

Steps to Install Red Hat Linux


Hello guys lets start Steps to Install Red Hat Linux .

Step 1 Download  the distribution

First step to install redhat linux
Download the RHEL 7.x ISO image from access.redhat.com To create bootable DVD or USB, write this ISO file.Step 2 Boot with Media

Step 2 Boot With Media

Second step to install redhat linux
Use DVD USB to boot and install RHEL 7.x Make sure your computer's CMOS configuration allows booting from CD DVD or USB option. Different machines have different key sequences to press to access the system at boot time; if you want to make any changes to the CMOS, you need to know the key sequence for your device.



Step 3.  Setting Language step to install redhat linux

Third step to install redhat linux
After few seconds of viewing language preference window, the graphical installer starts. 
Click on "Continue" to pick your word. Your language and keyboard language will be selected based on your choice.

Step 4.  Setting Date & Time

Fourth step to install redhat linux
To pick your time zone after window, click on "DATE TIME" in the main configuration tab. 

From the dropdown menu, you can select Region and City, select the date and time as applicable to your time zone of location. From the top right corner, you can activate "Network Time" to allow time sync over the internet from NTP servers, but this option requires network up and you can leave it off here.


Step 5. Setting Network and Host Name






Step 6. Installing OS




Step 7. Beginning Installation



Post Reboot Steps:
Step 8.  Verify subscription.
click on “LICENSE INFORMATION”


 

Step 9. Finishing Installation
Click on “FINISH CONFIGURATION”

Step 10.  Logging in to the system
Now, After successful login, your Linux installation is ready to use


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