yum update yum install epel-release -y yum install rpmconf yum-utils rpmconf -a package-cleanup --leaves package-cleanup --orphans yum install dnf dnf -y remove yum yum-metadata-parser dnf remove yum yum-metadata-parser rm -Rf /etc/yum dnf -y upgrade dnf -y upgrade http://mirror.centos.org/centos/8/BaseOS/x86_64/os/Packages/centos-release-8.0-0.1905.0.9.el8.x86_64.rpm dnf -y upgrade https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm dnf […]
create linux install USB boot on Mac OS Hint
Check USB disk number $ diskutil list $ diskutil unmountDisk /dev/disk26 $ sudo dd if=/Users/owl/Downloads/CentOS-Stream-x86_64-dvd1.iso of=/dev/disk26 bs=10m Check progress crtl+t
macOS Mojave USB Installer Hit
sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia --volume /Volumes/Install\ macOS\ Mojave
svn install for mac eclipse 2019-09 Hint
Step1. Install New Software subversive - http://download.eclipse.org/technology/subversive/4.0/update-site/ Add select all for subversive next to install Restart .... Subversive SVN Connectors install Native JavaHL install anyway Step2. Eclipse Marketplace Subclipse 4.3.0 Install
Mac : raid 10 Hint
$ diskutil appleRAID list diskutil createRAID stripe RAID10_Volume_Name JHFS+ UUID_OF_MIRROR_ARRAY1 UUID_OF_MIRROR_ARRAY2 diskutil appleRAID add spare UUID_OF_NEW_HARD_DRIVE UUID_OF_RAID_ARRAY diskutil appleRAID add member UUID_OF_NEW_HARD_DRIVE UUID_OF_RAID_VOLUME diskutil appleRAID repairMirror
MySQL : table name case insensitive : lower_case_table_names
vi /etc/my.cnf lower_case_table_names = 1
centos 7 : mysql-connector-java Hint
# yum install mysql-connector-java # ll /usr/share/java/mysql-connector-java.jar
yum install mysql-connector-java --downloadonly Hint
# yum install mysql-connector-java --downloadonly # ll /var/cache/yum/x86_64/7/base/