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Last updated: 2024-01-06 17:26:45

    Why an error occurs when I execute an update on Ubuntu OS?

    Possible reasons: Tencent Cloud Ubuntu system source is synced with the official source at 00:00, 08:00 and 16:00 every day (UTC+8). If you run the apt-get update and apt-get install commands just before and after the time points, the apt verification will be failed and an error will occur.
    Solution: Run the apt-get clean all command to purge cache before you run the apt-get update command.

    How do I change the owners and owner groups of directories and files on a Linux instance?

    If the file or directory permissions are incorrectly configured on the Web server, a 403 error will occur when you access a website hosted on the instance. Therefore, before you adjust a file or directory, you must confirm the identity under which the file or directory process is running.
    You can run the ps and grep commands to query the identities under which the file or directory process is running.
    You can run the ls –l command to query the owners and owner groups of files and directories.
    You can run the chown command to modify the permissions. For example, you can run the chown -R www.www /tencentcloud/www/user/ command to change the owners and owner groups of all files and directories under the /tencentcloud/www/user directory to account “www”.

    Do Linux instances support GUI?

    Yes. For directions on building GUI on a Linux instance, see Building a Visual Ubuntu Desktop.

    How can I activate the operating system of a Windows CVM instance?

    Why do I need to boot into the single-user mode on a Linux instance, and how to do this?

    Linux's users sometimes need to boot into the single-user mode to perform special operations, such as password management, sshd repair, or maintenance before disk attaching. For directions, see Booting into Linux Single User Mode.

    How can I check the login logs of a CVM instance?

    For more information, see Getting Instance Login Logs.
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