reference You may forget root password of your mysql database, follow instruction below to reset it. Add a entry in my.cnf: 12[mysqld]skip-grant-tables then restart mysql server, now you can log

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computation efficiency rank:(()) == let > expr > bc 1.(()) and let is bash buildin command, which can execute efficiently2.expr and bc is system command, drain memory and low efficiency.3.(())

foldername is the name before encrypted.targetname name theone after that.password variable is the key to unlock the folder. 123456789101112131415161718192021222324252627282930313233343536373839404142

Ubuntu has abandoned SysV init script approach to booting the server since 10.04.This link explainsSo to prevent mysql from starting on boot, you have to switch to a new way as belew: go to the /etc/

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In some situation, that we need to hide the output information of aapplication, such goagent or some useful manual scripts.Thus redirect into ablackhole is the best choice you can make.Here I will int

if you wanna loop through from number to another number, bash loop may not be the best choice for you, cause it has lot of differences from the original for loop as you might think of. 1234for i in