Linux Solutions

Welcome to the tutorial guide. The guide will provide you with instructions and guidance on how to upgrade Fedora using yum. The guide will cover other features such as: How to list partition tables, how to list filesystem disk space usage, how to list mounted devices, etc.

- How to list partition tables
Please enter following command to list partition tables
su -c ‘/sbin/fdisk -l’

- How to list filesystem disk space usage
Please enter following command to list filesystem disk space usage
su -c ‘df -T -h’

- How to list mounted devices
Please enter following command to list mounted devices
mount

- How to list PCI devices
Please enter following command to list PCI devices
/sbin/lspci

- How to list USB devices
Please enter following command to list USB devices and note that the command needs to be run as root.
lsusb

- How to speed up CD/DVD-ROM
Please enter following command for this. The location for the CD/DVD-ROM is /dev/cdrom

su -c ‘/sbin/hdparm -d1 /dev/cdrom’
su -c ‘gedit /etc/hdparm.conf’
Insert the following lines in the new file
/dev/cdrom {
dma = on
}
Save the edited file

Mounting/Unmounting CD/DVD-ROM manually, and show all hidden and associated files and folders
Let’s assume that the location for CD/DVD-ROM is /media/cdrom0/

- If you would like to mount CD/DVD-ROM, then please enter following code
su -c ‘mount /media/cdrom0/ -o unhide’
- Unmount CD/DVD-ROM, then please enter following code
su -c ‘umount /media/cdrom0/’

- How to forcefully unmount CD/DVD-ROM manually
Let’s assume that the location for CD/DVD-ROM is /media/cdrom0/

su -c ‘umount /media/cdrom0/ -l’

- How to remount /etc/fstab without rebooting
Please enter following command if you would like to remount /etc/fstb without rebooting
su -c ‘mount -a’

Firefox speed up
If you would like to speed up Firefox Web Browser, then you have to go through some settings. Please go to:
- Applications
- Internet
- Firefox Web Browser

If you would like to disable beep sound for link find function in Mozilla Firefoxm then please go through following settings:
- Applications
- Internet
- Firefox Web Browser

For Mozilla Firefox, please go to:
- Address Bar
- about:config
- Filter: accessibility.typeaheadfind.enablesound
- false
- Restart Mozilla Firefox

-How a user can set the backspace button to go to a previous page.
This can be done by going to:
- Applications
- Internet
- Firefox Web Browser
For Mozilla Firefox, please go to:
- Address Bar
- about:config
Filter:
- browser.backspace_action
- 0
- Restart Mozilla Firefox

- How to close the download dialog quicker
In order to close the download dialog quicker, please go to
- Applications
- Internet
- Firefox Web Browser
Now please put in your address bar
Address Bar
- about:config
Now, filter the configs options by:
Filter: - alerts.totalOpenTime
- 500

- How to reduce the quantity of popups
In order to reduce the quantity of popups ,first of all, - please load Mozilla Firefox
- now go to Applications
- Internet
- Firefox Web Browser
Please type in your address bar
Address Bar -> about:config

Now, filter the config options and change it to a reasonable number
Filter: -> dom.popup_maximum -> 5

- How a user can hide the Go button
If a user is planning to hide the Go button, then first of all, he needs to
- load Mozilla Firefox
- and the go to Applications
- Internet
- Firefox Web Browser
- then put in his/her address bar
- about:config
- then filter the config options and double click so it changes the result
browser.urlbar.hideGoButton
- Yes

- How a user can do improvements using tmpfs
If a user wants to do improvements by using tmpfs, then first of all, he/she needs to
- load Mozilla Firefox
- and then go to Applications
- Internet
- Firefox Web Browser
- and then put in his/her address bar
- about:config
- and then right click anywhere in the browser window and select
- New
- String
- and then type in: browser.cache.disk.parent_directory
- and then press OK,
- and type in the new window:
/tmp
- press OK

If you followed all the instructions and guidance as provided in this guide then you will have successfully installed different features as mentioned in the tutorial guide.