sudo apt-get install lib32z1 lib32ncurses5

sudo apt-get install network-manager-openconnect

sudo systemctl daemon-reload

root@dns:~# pear install DB
WARNING: "pear/DB" is deprecated in favor of "pear/MDB2"
WARNING: "pear/Console_Getopt" is deprecated in favor of "pear/Console_GetoptPlus"
downloading DB-1.8.2.tgz ...
Starting to download DB-1.8.2.tgz (131,693 bytes)
.............................done: 131,693 bytes
could not extract the package.xml file from "/build/buildd/php5-5.5.9+dfsg/pear-build-download/DB-1.8.2.tgz"
Download of "pear/DB" succeeded, but it is not a valid package archive
Error: cannot download "pear/DB"
downloading PEAR-1.9.5.tgz ...
Starting to download PEAR-1.9.5.tgz (290,006 bytes)
...done: 290,006 bytes
could not extract the package.xml file from "/build/buildd/php5-5.5.9+dfsg/pear-build-download/PEAR-1.9.5.tgz"
Download of "pear/PEAR" succeeded, but it is not a valid package archive
Error: cannot download "pear/PEAR"
downloading Archive_Tar-1.3.16.tgz ...
Starting to download Archive_Tar-1.3.16.tgz (20,024 bytes)
...done: 20,024 bytes
could not extract the package.xml file from "/build/buildd/php5-5.5.9+dfsg/pear-build-download/Archive_Tar-1.3.16.tgz"
Download of "pear/Archive_Tar" succeeded, but it is not a valid package archive
Error: cannot download "pear/Archive_Tar"
downloading Console_Getopt-1.4.0.tgz ...
Starting to download Console_Getopt-1.4.0.tgz (4,534 bytes)
...done: 4,534 bytes
could not extract the package.xml file from "/build/buildd/php5-5.5.9+dfsg/pear-build-download/Console_Getopt-1.4.0.tgz"
Download of "pear/Console_Getopt" succeeded, but it is not a valid package archive
Error: cannot download "pear/Console_Getopt"
downloading XML_Util-1.2.3.tgz ...
Starting to download XML_Util-1.2.3.tgz (17,134 bytes)
...done: 17,134 bytes
could not extract the package.xml file from "/build/buildd/php5-5.5.9+dfsg/pear-build-download/XML_Util-1.2.3.tgz"
Download of "pear/XML_Util" succeeded, but it is not a valid package archive
Error: cannot download "pear/XML_Util"
Download failed
install failed

jpudasaini@Gnome:~/Downloads$ ssh root@10.0.2.37
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that a host key has just been changed.
The fingerprint for the ECDSA key sent by the remote host is
f3:30:b1:66:ea:0d:e4:06:2e:10:8b:ca:df:33:fa:34.
Please contact your system administrator.
Add correct host key in /home/jpudasaini/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /home/jpudasaini/.ssh/known_hosts:17
  remove with: ssh-keygen -f "/home/jpudasaini/.ssh/known_hosts" -R 10.0.2.37
ECDSA host key for 10.0.2.37 has changed and you have requested strict checking.
Host key verification failed.

This error will happen due to the remote host change the host key.
ssh-keygen -R 10.0.2.37

jpudasaini@Gnome:~$ cd /home/jpudasaini/.ssh/
jpudasaini@Gnome:~/.ssh$ ls
known_hosts  known_hosts.old
jpudasaini@Gnome:~/.ssh$ sudo vi known_hosts
[sudo] password for jpudasaini:  (type your password)

jpudasaini@Gnome:~$sed -i 17d ~/ssh/known_hosts

[sudo] password for jpudasaini:
Reading package lists... Done
Building dependency tree      
Reading state information... Done
The following packages were automatically installed and are no longer required:
  kde-l10n-engb linux-image-generic
Use 'apt-get autoremove' to remove them.
The following NEW packages will be installed:
  nethogs
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 28.3 kB of archives.
After this operation, 105 kB of additional disk space will be used.
Get:1 http://np.archive.ubuntu.com/ubuntu/ saucy/universe nethogs amd64 0.8.0-1 [28.3 kB]
Fetched 28.3 kB in 0s (50.1 kB/s) 
Selecting previously unselected package nethogs.
(Reading database ... 230384 files and directories currently installed.)
Unpacking nethogs (from .../nethogs_0.8.0-1_amd64.deb) ...
Processing triggers for man-db ...
Setting up nethogs (0.8.0-1) ...

root@kali:~# dpkg --add-architecture i386
root@kali:~# apt-get update
root@kali:~# root@kali:~# apt-get install wine-bin:i386

1. Free Up Disk Space: Each kernel version, along with its associated modules and headers, takes up disk space. Over time, multiple kernel versions can accumulate and consume a significant amount of storage. Removing old kernels helps free up valuable disk space.
2. Clean Boot Menu: When you have multiple kernel versions installed, each one appears as an option in the boot menu. This can clutter the menu and make it harder to select the desired kernel. Removing old kernels simplifies the boot menu, making it easier to manage.
3. Simplify System Maintenance: Managing fewer kernels can make system maintenance and updates easier. It reduces the complexity of keeping track of which kernels are installed and ensures that you are using the most up-to-date and secure versions1.
4. Improve Security: Older kernels may contain vulnerabilities that have been patched in newer versions. By removing old kernels and keeping your system updated with the latest kernel releases, you ensure that security patches are applied promptly, reducing the risk of exploitation.
5. Enhance Performance: Although old kernels don't directly affect running performance, having a streamlined system with fewer kernels can improve boot times and overall system efficiency.