Hello Everyone!
When ever you use linux and need to run some windows software then basically i may ask for microsoft core fonts. You can use it on your Linux with couple of lines of codes. These codes installs the microsoft fonts install in your computer so that you can use your software and your document without any format change.
Use these codes:
If you Ever Face Problem like
Microsoft Windows [Version 10.0.19045.4717]
(c)Microsoft Corporation. All rights reserved. C:\Users\Suman Adhikari>ssh xxxxxxxxxxx@192.xxx.xxxx.xxx @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ 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 SHA256:2jXsaRMuMbsiad+rF6kHSaUTE3Yua7kl88SgTj6r0SU. Please contact your system administrator. Add correct host key in C:\\Users\\xxxxxxx/.ssh/known_hosts to get rid of this message. Offending ECDSA key in C:\\Users\\xxxxxxx/.ssh/known_hosts:2 ECDSA host key for 192.xxx.xxx.xxx. has changed and you have requested strict checking. Host key verification failed.
If you got this issue simply Enter this code
Command Name | Command | Function |
uname | $ uname -a | The uname command displays basic information about your system, includeing the operating system name, kernel version, and processor architecture. |
lsblk | $ lsblk | The lsblk command lists all the available block devices on your system, including hard drives, SSDs, and USB drives. This will display a list of all the available block devices on your system. |
lspci | $ lspci | The lspci command displays information about all the PCI buses and devices connected to your system. This command can be helpful if you need to determine which devices are installed on your system. |
lsusb | $ lsusb | The lsusb command displays information about all the USB buses and devices connected to your system. This command can be helpful if you need to determine which USB devices are installed on your system. |
Df | $ df -h | The df command displays information about the disk space usage on your system. This command can be helpful if you need to determine how much free space is available on your hard drive. |
Free | $ free -h | The free command displays information about the system's memory usage. This command can be helpful if you need to determine how much free memory is available on your system. |
Top | $ top | The top command displays information about the system's processes, including their CPU and memory usage. This command can be helpful if you need to determine which processes are using the most resources on your system. |
Htop | $ htop | The htop command is similar to the top command, but it provides a more user-friendly interface with colored output and the ability to sort processes by various criteria. |
Dmesg | $ dmesg | This will display the system's boot messages, including any errors or warnings that occurred during the boot process. |
lsmod | $ lsmod | This will display a list of all the kernel modules currently loaded on your system. |
lshw | $ sudo lshw | This will display detailed information about the hardware on your system. |
Hwinfo | $ sudo hwinfo | The hwinfo command is similar to the lshw command, but it provides even more detailed information about the hardware on your system. |
lsdev | $ lsdev | The lsdev command displays information about all the devices on your system, including disks, tapes, CD-ROMs, printers, and serial ports. |
Ifconfig | $ ifconfig | The ifconfig command displays information about your network interfaces, including their IP addresses, netmasks, and MAC addresses. This command can be helpful if you need to troubleshoot network issues or simply to learn more about your network configuration. |
Iwconfig | $ iwconfig | The iwconfig command displays information about your wireless network interfaces, including their SSIDs, signal strengths, and encryption settings. This command can be helpful if you need to troubleshoot wireless network issues or simply to learn more about your wireless network configuration. To use the iwconfig command, simply open a terminal window and type − |
Uptime | $ uptime | The uptime command displays information about how long your system has been running, along with its average load. This command can be helpful if you need to determine how long your system has been running or to troubleshoot performance issues. |
lsmod | $ lsmod | The lsmod command displays information about the kernel modules currently loaded on your system. This command can be helpful if you need to determine which modules are loaded or to troubleshoot issues related to kernel modules. |
lspcmcia | $ lspcmcia | The lspcmcia command displays information about all the PCMCIA devices connected to your system. This command can be helpful if you need to determine which PCMCIA devices are installed on your system. To use the lspcmcia command, simply open a terminal window and type − |
dmidecode | $ sudo dmidecode --type 17 | This will display a list of all the PCMCIA devices connected to your system. |
Here are some key components and concepts related to GIS:
GIS system maintains spatial data & attribute data. Spatial data (where)
Attribute (descriptive) data (what, how much,when)
To install Apache Tomcat on Linux Mint, you can follow these steps:
Open a Terminal: You can open the Terminal in Linux Mint by pressing Ctrl+Alt+T or by searching for it in the application menu.
Update the Package List: It's always a good practice to update the package list to ensure you're installing the latest available version. Run the following command:
bashsudo apt update
Install OpenJDK: Apache Tomcat requires Java to run. You can install OpenJDK, which is an open-source implementation of Java, using the following command:
bashsudo apt install default-jdk
Download Apache Tomcat:
Extract Tomcat: Navigate to the directory where you downloaded the Tomcat archive file (e.g., ~/Downloads) and use the following command to extract it:
bashtar -zxvf apache-tomcat-9.x.x.tar.gz
Replace apache-tomcat-9.x.x.tar.gz with the actual file name you downloaded.
Move Tomcat to a Preferred Location: You can move the extracted Tomcat directory to a location of your choice. For example, you can move it to /opt:
bashsudo mv apache-tomcat-9.x.x /opt/tomcat
Create a Symbolic Link: To easily manage Tomcat, create a symbolic link to the Tomcat directory. This step is optional but can be convenient:
bashsudo ln -s /opt/tomcat /usr/local/tomcat
Configure Environment Variables: To ensure that Tomcat can find the Java installation, you need to set the JAVA_HOME environment variable. Edit the catalina.sh script to set this variable:
bashsudo nano /opt/tomcat/bin/catalina.sh
Add the following line near the top of the file, just after #!/bin/sh:
bashexport JAVA_HOME=/usr/lib/jvm/default-java
Save the file and exit the text editor.
Start Tomcat: You can now start Apache Tomcat using the following command:
bash/opt/tomcat/bin/startup.sh
Access the Tomcat Manager: Open a web browser and go to http://localhost:8080 to access the Tomcat Manager. You should see the Tomcat homepage.
That's it! You've successfully installed Apache Tomcat on your Linux Mint system. You can now deploy web applications to Tomcat and manage it using the Tomcat Manager web interface.
If Apache Tomcat is prompting for a username and password when you try to access the Tomcat Manager, you need to configure user authentication. By default, Tomcat requires authentication to access the Manager application for security reasons. To configure user authentication, follow these steps:
Create a User:
Open a terminal and navigate to the tomcat directory:
bashcd /opt/tomcat
Then, open the conf/tomcat-users.xml file for editing:
bashsudo nano conf/tomcat-users.xml
Add a user with the necessary roles (e.g., manager-gui, admin-gui) to this file. Below is an example of a user with both roles:
xml<tomcat-users>
<user username="admin" password="your_password" roles="manager-gui,admin-gui"/>
</tomcat-users>
Replace "admin" with your desired username and "your_password" with your desired password.
Save the file and exit the text editor.
Restart Tomcat: After adding the user, you need to restart Tomcat for the changes to take effect:
bash/opt/tomcat/bin/shutdown.sh /opt/tomcat/bin/startup.sh
Access the Manager Again:
Open a web browser and go to http://localhost:8080 or http://localhost:8080/manager (for the Manager app specifically). When prompted for a username and password, enter the credentials you configured in the tomcat-users.xml file.
You should now be able to access the Tomcat Manager using the provided username and password.
Remember to choose a strong password and keep your credentials secure, as they control access to the Tomcat Manager, which can perform administrative tasks on your Tomcat server.
If Apache Tomcat is prompting for a username and password when you try to access the Tomcat Manager, you need to configure user authentication. By default, Tomcat requires authentication to access the Manager application for security reasons. To configure user authentication, follow these steps:
Create a User:
Open a terminal and navigate to the tomcat directory:
bashcd /opt/tomcat
Then, open the conf/tomcat-users.xml file for editing:
bashsudo nano conf/tomcat-users.xml
Add a user with the necessary roles (e.g., manager-gui, admin-gui) to this file. Below is an example of a user with both roles:
xml<tomcat-users>
<user username="admin" password="your_password" roles="manager-gui,admin-gui"/>
</tomcat-users>
Replace "admin" with your desired username and "your_password" with your desired password.
Save the file and exit the text editor.
Restart Tomcat: After adding the user, you need to restart Tomcat for the changes to take effect:
bash/opt/tomcat/bin/shutdown.sh /opt/tomcat/bin/startup.sh
Access the Manager Again:
Open a web browser and go to http://localhost:8080 or http://localhost:8080/manager (for the Manager app specifically). When prompted for a username and password, enter the credentials you configured in the tomcat-users.xml file.
You should now be able to access the Tomcat Manager using the provided username and password.
Remember to choose a strong password and keep your credentials secure, as they control access to the Tomcat Manager, which can perform administrative tasks on your Tomcat server.