Ubuntu solves the sudo: source: commandnotfound Error

Execute the following command on javastuserver. The default number of opened files is 1024. $ Ulimit-n1024 edit the/etc/profile and add the last line: ulimit-SHn65535 to make the configuration take effect: $ sudosource/etc/profilesudo: source: commandnotfound we run ulimit-SHn directly

Run the following command on Ubuntu Server. The default number of opened files is 1024.

$ Ulimit-n

1024

Edit the/etc/profile configuration file and add the last line:

Ulimit-SHn 65535

To make the configuration take effect:

$ Sudo source/etc/profile

Sudo: source: command not found

What if we directly execute the ulimit-SHn 65535 command?

$ Ulimit-shn65535

-Bash: ulimit: open files: cannot modify limit: Operation not permitted

$ Sudo ulimit-shn65535

Sudo: ulimit: command not found

After obtaining the root permission, a common user prompts that the command cannot be found. How can this problem be solved?

$ Sudo-s

# Source/etc/profile

Run ulimit again. You can see that the number of opened files has changed to 65535.

# Ulimit-n

65535

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