configure -prefix=/usr/local/mpfr-4.0 -with-gmp=/usr/local/gmp-6.2 ( -with-gmp by gmp Installation directory for) sudo makeĭ. configure -prefix=/usr/local/gmp-6.2 (non-administrators must sudo or error: Permission denied)Ĭ. configure: error: No usable M4 in $PATH or /usr/5bin (see config.log reasons for).) Sudo Ln-S /usr/local/bin/m4/usr/bin (make M4 a soft connection to this path, otherwise configure will get an error: checking for suitable m4. Install a lower version of gcc, gcc-c++ (must do otherwise, configure will fail when upgrading GCC to install m4/gmp/mpfr/mpc: configure: error: no acceptable C compiler found in $PATH) Download related source packages https: // .cn/gnu/gcc/gcc-9.2.0/gcc-9.2.0.tar.gz Modify mysql password (password must be changed for initial login or mysql command cannot be used)Īlter user ' root ' localhost ' identified by ' Your password ' ġ. Log in to mysql and copy the password aboveĩ. Sudo cat/var/log/mysqld.log|grep (you did not use this command in step 4) View Mysql's initial password followed by the initial password) Sudo cat/app/mysql/log | grep (used this command in step 4)

If it still fails to start: check the mysql error log and sudo systemctl status mysql d or journalctl-xe Check to see if selinux is off: executing sudo getenforce yields a result other than Permissive, executing the command sudo setenforce 0ĭ.

Check to see if the user and group belonging to the directory related to mysql are mysqlī. Create related directories in the configuration file and modify permissions sudo mkdir /app/mysql/data /app/mysql/log -pĪ. Customize the configuration of MySQL (skip to step 6 if you don't want to change mysql's default related directory) modify Mysql Default profile contentĥ. Install MySQL (no error indicates successful installation)Ĥ. Go to this website to find gcc, gcc-c++, openssl, perl and their dependent packagesģ.

Linux centos 7 install mysql client