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To edit, open the terminal and type: sudoedit /etc/environment. (or open the file using sudo in your favorite text editor) To make it work without rebooting, run . /etc/environment or source /etc/environment. Since this file is just a simple script it will run and assign the new path to the PATH environment variable.
There is a useful option to du called the --apparent-size. It can be used to find the actual size of a file or directory (as opposed to its footprint on the disk) eg, a text file with just 4 characters will occupy about 6 bytes, but will still show up as taking up ~4K in a regular du -sh output.
run sudo lshw -html > server_specs.html the html result is well structured and easy to find information. also you can use sudo lshw -C {required_type} to see result for your required specification. for example sudo lshw -C memory. Share. Improve this answer. answered Apr 30, 2019 at 7:24.
df - report file system disk space usage. Usage works like such: df -h. Which should output something like this: Filesystem Size Used Avail Use% Mounted on. /dev/vzfs 20G 3.5G 16G 18% /. The -h flag provides human readable output (which makes reading of the output - easier).
To permanently add a new environment variable in Ubuntu (tested only in 14.04), use the following steps: Open a terminal (by pressing Ctrl Alt T) sudo -H gedit /etc/environment. Type your password. Edit the text file just opened: e.g. if you want to add FOO=bar, then just write FOO=bar in a new line. Save it.
1. LSPCI. lspci will show you most of your hardware in a nice quick way. It has varying levels of verbosity so you can get more information out of it with -v and -vv flags if you want it. The -k argument is a good way to find out which kernel driver a piece of hardware is using. -nn will let you simply know the hardware ID which is great for ...
To kill a process you will use the kill command, which sends a SIGNAL to the process. The signal indicates what the process should do. For example, sending a -1 to the process will ask it to reload the configuration file; sending a -2 is equivalent to pressing the Control+C on that process; -9 will cause the kernel to abandon the process ...
sudo apt-get install gir1.2-gnomebluetooth-1.0. ... )) Do not forget to install the ubuntu-desktop if it is not in the package text file sudo apt-get install ubuntu-desktop (Not required) 4- update your grub , run : sudo update-grub2. 5- finally reboot your pc. That's all :) Share. Improve this answer.
10. Use the hostname command to change your hostname. sudo hostname newname. However, this does not edit your hosts file, which you must do so as to make sure that your computer recognizes itself. gksudo /etc/hosts. And add a new entry for your hostname pointing to 127.0.0.1. 127.0.0.1 oldname newname.