On the whim of a Linux kernel-based Ubuntu system, it feels very peculiar, fortunately, a bit of Linux memory, just in passing a good memory, installed, we first to the system settings to choose the most suitable for their own download server, so that the speed of the promotion has a great advantage, here to recommend a software, In Ubuntu system is very useful, we generally download software to go to the Software Center, and download speed is obvious card, then there is this software, the new software Manager, download software fast. Through it, I update the system, download the development package, highly recommended.
It's easier to see the system details for Windows or Mac, but it's easier for Linux to execute a single command. The possibility of executing commands is unfamiliar to many people, so it is a bit more cumbersome to see Linux viewing system information.
Open the terminal, enter LSHW (list hardware), and you can view the hardware information of your computer. But on the command line, it feels more advanced. LSHW also supports more common forms of HTML pages that are more suitable for beginners to read.
Execution (ctrl+alt+t----F11 maximized):
lshw-html > hwinfo.html
Firefox hwinfo.html (if no Firefox can be opened with a different browser)
Google-chrome hwinfo.html
To delete a file:
Open Terminal
CD/Go to Directory
sudo rm hwinfo.html
Then enter the password to delete the
Another way to get the root of the Nautilus, and then you can use the folder window to delete the
sudo nautilus
or sudo gnome-open/to go to directory
Screenshot function, also support the Timer screen function (System self-bringing method)
PRTSRC is full screen, ALT+PRCSRC is the current active window, timing needs to modify the contents of application
You might consider using RM directly, but the RM followed by two parameters-rf is:
RM-RF Directory Name
-R is recursive down, manage how many levels of directory, and delete
-F is directly forcibly deleted, without any hint of meaning
Although this command can help you solve the problem, you need to be reminded that:
Use this RM-RF to be careful, as we all know, Linux has no Recycle Bin, once deleted will never find back.
Of course, RM has more parameters and usage, and you can use the man RM to view other specific uses in the terminal.
How to start/stop/restart MySQL
First, the starting mode
1. Start with service: service MySQL start
2. Start with mysqld script:/etc/inint.d/mysql start
3. Use Safe_mysqld to start:safe_mysql&
Second, stop
1. Start with service: Service MySQL stop
2. Start with mysqld script:/etc/inint.d/mysql stop
3, mysqladmin shutdown
Third, restart
1. Start with service: service MySQL restart
2. Start with mysqld script:/etc/inint.d/mysql restart
Ubuntu System User Manual
