![]() ![]() Save my name, email, and website in this browser for the next time I comment. , /,, etc.However, Im interested to replace such a string literally, that is to not interpret. In fact, you do not even need to use dd here. The problem starts here, and is related to this 256 byte limit. Let's look at each of the commands: dd if/dev/urandom bs256 count1 2> /dev/null This will read a single 256 byte block from /dev/urandom, a cryptographically secure random source. Your email address will not be published. 21 hours ago &0183 &32 Im trying to replace a string inside a text file using sed.This string could contain any special character like. 1 Answer Sorted by: 26 No, it's not entirely secure. Using these methods, you can generate random strings for various applications, such as password generation and token authentication. You can choose the method that best suits your needs. To generate a random string in Linux, use the Random Number Generator, OpenSSL library, UUID generator, and mktemp commands. These methods include using the $Random, /dev/urandom, openssl, and uuid commands.
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