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filesystem - How do I determine the total size of a ... - Ask Ubuntu
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.
How can I find my hardware details? - Ask Ubuntu
2011年3月23日 — In Ubuntu 20.04 and later install System Profiler (sudo apt install hardinfo). HardInfo is a small application that displays information about your hardware and operating system. Currently it knows about PCI, ISA PnP, USB, IDE, SCSI, Serial and parallel port devices.
How do I check system specifications? - Ask Ubuntu
2022年2月2日 — After succssful upload to the pastebin, it will both display and log the URL of the uploaded report (~/system-info-link.log), for you to copy and paste in your post on the Ubuntu Forums. Future versions may have an option to create the archive system-info.tar.gz if the report exceeds 19.5 kB in size.
community - What does "Ubuntu" mean? - Ask Ubuntu
2016年3月25日 — The Ubuntu operating system brings the spirit of Ubuntu to the world of computers. To quote Benjamin Mako Hill: Ubuntu's original name was, and I'm serious, "no-name-yet.com" Finally, Mark settled on the name Ubuntu which he though represented the spirit of sharing and cooperation that he found appealing in Free Software.
networking - How do I find my network IP address, netmask
2012年10月8日 — Now you're wanting to set up an ubuntu firewall and need to set up your public interface: Calculate network IP address: 255.255.255.224 -> last octet = E0 99. 1.
Change folder permissions and ownership - Ask Ubuntu
2010年11月2日 — Use chown to change ownership and chmod to change rights.. As Paweł Karpiński said, use the -R option to apply the rights for all files inside of a directory too.
command line - How do I run .sh scripts? - Ask Ubuntu
2011年5月1日 — On Ubuntu 13.04 executable files opened in Nautilus are now opened in gedit by default rather than prompting the user to execute them. To enable the classic behavior you need to adjust the preferences: Nautilus → Edit menu → Preferences → Behaviour tab → Click the radio button near Ask each time.
How to remove directory with all of its contents? - Ask Ubuntu
2018年2月21日 — To use trash-put you will need to install the trash-cli package available on the Ubuntu Universe repository. Once installed to remove a file or a directory type on the terminal: trash-put name_of_file
sudo - How do I start/stop mysql server? - Ask Ubuntu
For Ubuntu 12.10 to 14.04 . Newer versions of Ubuntu use systemd. START MYSQL: sudo start mysql RESTART MYSQL: sudo restart mysql # The service must be running STOP MYSQL: sudo stop mysql # The service must be running