Get IT for Us - Your Personal IT Assistant

Get IT for Us is a services business based in the US that specializes in providing a wide range of technical solutions for companies and individuals. From creating self-signed certificates to managing network configurations, our team of experts is here to help. With complete confidentiality and personalized service, we are your go-to IT assistant for all your needs.

Your Personal IT Assistant

We provide self-signed certificates and keys using OpenSSL, ensuring secure communication for your business.

Secure Communication

We create SSL/HTTPS certificates with DNS challenge using Certbot, enhancing the security of your website.

Website Security

We assist in setting up reverse SSH connection, accessing systems under a remote network through SSH, and managing network infrastructure.

Network Setup and Maintenance

We create FTP backup scripts to automate the backup process and protect your valuable data.

Hacker binary attack code. Made with Canon 5d Mark III and analog vintage lens, Leica APO Macro Elmarit-R 2.8 100mm (Year: 1993)

Data Backup Solutions

Our experts edit Postfix configuration file and specify default Python version in Ubuntu to optimize your server performance.

Server Configuration

Our team helps you with Ubuntu apt-get errors, recovering USB drives, and restoring Putty profiles, ensuring smooth IT operations.

IT Support

Our Services

My custom workspace which I designed, built and wired in 2017. From here I perform most of my personal tasks: writing articles, code, hacking or doing something equally spectacular. A custom passively cooled quad core Hackintosh runs smooth and remains whisper quiet, DIY monitor backlight keeps the eye strain from late night sprints at bay, a custom built DAC combined with either monitors or headphones fills the space with wondrous vibes. The mini-galaxy bulbs enclosed in terrariums symbolize “self” as being part of something grand, something bigger than life, urging one to do great things…

I was up early on a very cold morning in New Mexico to ride my motorcycle back toward home (Phoenix). The sun started coming up so I stopped to get some warmth and was captivated by these eerie looking radio telescopes. The dawn light gave me just the feeling I was experiencing at the time. I spent about an hour there making images in that soft side light. Warmer, I hopped on the cruiser and headed out. It was still cold though… dang.

Female electrical engineer designs lighting shows

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Gallery

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I had a great experience working with Get IT for Us. They helped me create SSL/HTTPS certificates with DNS challenge using Certbot, which was essential for securing my website. Their team was professional and efficient. Highly recommended!

I was struggling with changing the Windows 2008 password policy, but Get IT for Us came to the rescue. Their team guided me through the process and ensured everything was set up correctly. I'm grateful for their expertise.

I needed help setting up a reverse SSH connection and Get IT for Us delivered exceptional service. They explained the process in a clear and concise manner, making it easy for me to understand. I highly recommend their services.

Get IT for Us provided outstanding support in unzipping multiple files with full path. Their team was responsive and knowledgeable, and they completed the task quickly. I'm extremely satisfied with their service.

I needed to import contacts to Active Directory and Get IT for Us made the process smooth and hassle-free. Their expertise and attention to detail were impressive. I would definitely use their services again.

Get IT for Us helped me recover my USB drive when all hope seemed lost. Their technical knowledge and problem-solving skills saved me a lot of time and frustration. I highly recommend their services.

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Key Services Provided:
- Creating self-signed certificates and keys using OpenSSL
- Specifying default Python version in Ubuntu
- Creating SSL/HTTPS certificates with DNS challenge using Certbot
- Editing Postfix configuration file
- Creating FTP backup scripts
- Showing or hiding "My Computer" in Windows
- Adding message of the day in Ubuntu
- Escaping from Ubuntu apt-get errors
- Adding XP to Windows 2012 R2 Domain
- Importing contacts to Active Directory
- Extracting text from Excel
- Finding and replacing words in text files
- Removing comments from a file
- Enabling port 80 in IPtables
- Recovering USB drives
- Restoring Putty profiles
- Finding directory size in GB in Linux
- Adding AD users as RDP users
- Installing Telnet on Windows 7/8
- Accessing systems under a remote network through SSH
- Making Asterisk calls from the command line interface
- Converting VMWare Workstation disk to ESXi Disk
- Changing Windows 2008 password policy
- Creating simple setup files in Windows
- Renaming multiple files or removing characters from the beginning of a file name
- Sending command errors to a file
- Finding text in a folder
- Setting up reverse SSH connection
- Unzipping multiple files with full path

Create a self signed certificate and key using openssl
openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout key.key -out cert.crt
Specify default python version in Ubuntu
Use the command “update-alternatives” . System will use the python version which has the higher value assigned.
In the below case the command “python” resolves python2.7 and python3 resolves to python3.8
# update-alternatives --install /usr/bin/python python /usr/bin/python2.7 1
update-alternatives: using /usr/bin/python2.7 to provide /usr/bin/python (python) in auto mode
# update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.5 2
update-alternatives: using /usr/bin/python3.5 to provide /usr/bin/python3 (python3) in auto mode
# update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.8 3
update-alternatives: using /usr/bin/python3.8 to provide /usr/bin/python3 (python3) in auto mode
certbot – Create SSL / HTTPS certificate with DNS challenge
certbot -d sub.maindomain.com –manual –preferred-challenges dns certonly
Edit /etc/postfix/master.cf
Change the line
smtp inet n - - - - smtpd
to
127.0.0.1:smtp inet n - - - - smtpd
FTP Backup Script
#!/bin/sh
DATE=`date +%Y%m%d`
mkdir /tmp/backup
mysqldump -u root -pmypass --all-databases > /tmp/backup/alldb.sql
tar -cvzf /tmp/backup/www.tar.gz /var/www --exclude="www/backup"
tar -cvzf /tmp/backup/etc.tar.gz /etc
tar -cvf /tmp/$DATE-backup.tar /tmp/backup
ftp -n -i 10.8.0.1 <<EOF
quote USER user1
quote PASS password1
cd pbxbackup
lcd /tmp
put $DATE-backup.tar
quit
EOF
#rm -f /tmp/backup.tar
rm -rf /tmp/backup
Show hide My Computer
desk.cpl ,,5
Add motd : Ubuntu
echo -en "\033[1;33m" > /etc/motd
echo " Put your comments here.." >> /etc/motd
echo -en "\033[0m" >> /etc/motd
Esacpe from Ubuntu apt-get Error
sudo sed -i -re 's/([a-z]{2}\.)?archive.ubuntu.com|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list
sudo apt-get update
Add XP to Windows 2012 R2 Domain
Open Regedit.exe in Domain Server
Navigate to
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\DependOnService
Original Value: SamSS Srv2
Change to: SamSS Srv
After changing the value, restart “Server Service” on DC
Add the XP client again to Domain.
Active Directory Import Contacts
csvde -i -f contacts.csv
|DN
|objectClass
|givenName
|telephoneNumber
|CN=Shyju Kan, OU=Contacts,DC=company,DC=local
|contact
|Shyju
|6511933
The CSV contents will be imported to Active Directory under OU Contacts
Excel Extract Text
=RIGHT(F2,LEN(F2)-FIND(“=”,F2))
Find and replace word in text files in a directory
sed -i -- 's/dir.cfg/dir.cfg, 000000000000-license.cfg/g' *
It searches for the text “dir.cfg” and replaces it with “dir.cfg, 000000000000-license.cfg” in current directory.
Remove comments from a file
grep -vE ‘^#|^;|^$’ /etc/openvpn/server.conf >/root/test.conf
IPtables Enable Port 80
Edit the file /etc/sysconfig/iptables
add the below line
-A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
Recover USB Drive
Recover USB Drive
chkdsk E: /F /R
Where is E: is the USB drive
Restore Putty Profile
regedit /e “%userprofile%\desktop\putty-registry.reg” HKEY_CURRENT_USER\Software\Simontatham
Find Directory size in GB : Linux
du -h / | grep ^[0-9.]*G
How add AD users as RDP Users
Add a user group fro remote desktop access and add it to “Remote Desktop Users”. Then goto Group Policy Editor (gpedit.msc) and add this group to “Allow logon through remote desktop services” policy.
Install Telnet on Windows 7/8
pkgmgr /iu:"Telnet Client"
Access Systems Under Remote Network through SSH
[root@mylaptop ~]# ssh -N -f -L :10002:192.168.1.119:80 myserver.mine.nu
I want to access a webserver(192.168.1.119) which can not be access from outside. But I have ssh access to a system(myserver.mine.nu) which is hosted on the same network. Run above command to create a ssh tunnel between your laptop and remote ssh server and port map 80 port from remote webserver to mylaptops 10002 port., so that you can access the remote webserver through http://mylaptop:10002 ( Or if mylatop’s ip is 192.168.1.2, access using URL http://192.168.1.2:10002).
Asterisk Call from CLI
CLI> originate DAHDI/1/4880722 extension 604@from-internal
Convert VMVARE Workstation disk to ESXi Disk
Copy the VMWARE Workstation disk to ESXi Server using vSphere Client from Configuration >> Storage>>datastore1>>Browse Database
Enable SSH from Configuration >> Security Profile >> Firellwall>>Properties
Login to ESXi server using putty.
Goto to the folder path where you copied the Workstation vmdk file. Usually it will come under /vmfs/volumes/datastore1/<newdiskfolder>
vmkfstools -i WSDISK.vmdk -d zeroedthick ESXiDISK.vmdk
Then create a new VM and add the new disk (Eg. ESXiDISK.vmdk) to the VM and start it.
Change Windows 2008 Password Policy Made Simple
Run the command.
secedit /export /cfg c:\local.cfg
Open c:\local.cfg file with notpad and change
"PasswordComplexity = 0"
"MinimumPasswordLength = 1"
Then run the command
secedit /configure /db %windir%\security\local.sdb /cfg c:\local.cfg /areas SECURITYPOLICY
Windows simple setup file maker
Start>Run>iexpress
Rename multiple files/ Remove characters from beginning of a file name
# for f in monitor*; do mv “$f” “${f#monitor}”;done
Send a command error to file
The following command will put linux command error output to a file.
mv /tmp/dfa /record/ 3>&1 1>&2 2>&3 | tee /tmp/stderr.txt
If /tmp/dfa does not exists you will get following line in /tmp/stderr.txt file
mv: cannot stat `/tmp/dfa’: No such file or directory
Find Text in a folder
grep -lir “text to find” *
Steps to Reverse SSH:
client : Is the Server which is behind nat and you want to access it without altering firewall configuration.
Server: Is the machine which can be accessed through WAN(internet).
- On the client run the following commands:
$ mkdir -p $HOME/.ssh
$ chmod 0700 $HOME/.ssh
$ ssh-keygen -t dsa -f $HOME/.ssh/id_dsa -P ''
This should result in two files, $HOME/.ssh/id_dsa (private key) and $HOME/.ssh/id_dsa.pub (public key).
- Copy $HOME/.ssh/id_dsa.pub to the server.
ssh-copy-id -i ~/.ssh/id_dsa.pub user@server
or
scp ~/.ssh/id_dsa.pub server:
- If you copy with scp in previous section then on the server run the following commands:
$ cat id_dsa.pub >> $HOME/.ssh/authorized_keys2
$ chmod 0600 $HOME/.ssh/authorized_keys2
Depending on the version of OpenSSH the following commands may also be required:
$ cat id_dsa.pub >> $HOME/.ssh/authorized_keys
$ chmod 0600 $HOME/.ssh/authorized_keys
An alternative is to create a link from authorized_keys2 to authorized_keys:
$ cd $HOME/.ssh && ln -s authorized_keys2 authorized_keys
- On the client test the results by ssh’ing to the server:
$ ssh -i $HOME/.ssh/id_dsa server
- (Optional) Add the following $HOME/.ssh/config on the client:
Host server
IdentityFile ~/.ssh/id_dsa
This allows ssh access to the server without having to specify the path to the id_dsa file as an argument to ssh each time.
- Test the connectivity by ssh. It should not ask for password.
ssh user@server -p 8022
- Put the below command in client’s /etc/rc.local
nohup ssh -f -N -R 10000:localhost:22 user@server -p 8022
- To access the client run following command from the server.
ssh user@localhost -p 10000
Unzip Multiple files with full path
#for z in *.zip; do 7za x -o/mnt/oebs/oracle/ $z; done
If you are using command unzip use "unzip $z" instead of "7za x -o/mnt/oebs/oracle/ $z;"
Another Option
#!/bin/bash
for zipfile in `ls /mnt/c/zipfiles/*.zip`; do unzip -o $zipfile -d /extracted