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chvt N makes /dev/ttyN the active console, like pressing Ctrl+Alt+FN. It is useful when you work on a machine through a remote tool that cannot send Ctrl+Alt key combinations, or from a script.
You must be root (or own the console) to switch.
طريقة الكتابة
chvt [OPTION] Nالخيارات 3
الأكثر استخدامًا
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أمثلة 10
$ مستخدم عادي# بصلاحية root (أو مع sudo)
1Go to the third text console
chvt 3Same as Ctrl+Alt+F3.
2Go back to the graphical login screen
chvt 1On RHEL with a desktop, tty1 is the login screen.
3Switch to your graphical session
chvt 2On RHEL your desktop session usually runs on tty2.
4Use it over SSH to show a console to a colleague
chvt 4The physical screen in the server room changes.
5See which terminal is active
cat /sys/class/tty/tty0/active tty2Shows the active virtual terminal.
6Switch when the remote console cannot send Ctrl+Alt+F keys
chvt 3Many web consoles of virtual machines catch these keys.
7Free a virtual terminal that is not used
deallocvt 7Removes unused consoles from memory.
8Open a login on another console from a script
openvt -c 5 -- /bin/loginStarts a login program on tty5.
9Check which consoles have a login prompt
systemctl list-units 'getty@*'Each text console with a login prompt is a getty service.
10Switch back after maintenance
chvt 1Leave the screen at the login prompt.
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انتبه
- chvt changes the physical screen. Users on the console notice it.
نصائح للحفظ
- chvt N = Ctrl+Alt+FN from the command line.