Talk Lowy(jp)

  ORACLE INSTANT CLIENT Instant client 19.3バージョンは11.2以後のバージョンのORACLEに接続できます。 その以前のバージョンなら専用のクライアントをダウンロードする必要があります。 https://www.oracle.com/database/technologies/instant-client/linux-x86-64-downloads.html ORACLE instant client inatall on CentOS using yum Update yum repository cd /etc/yum.repos.d wget http://yum.oracle.com/public-yum-ol7.repo import GPG key wget http://yum.oracle.com/RPM-GPG-KEY-oracle-ol7 rpm --import RPM-GPG-KEY-oracle-ol7 Enable oracle instantclient repository yum install -y yum-utils yum-config-manager --enable ol7_oracle_instantclient yum install yum -y install oracle-instantclient19.3-basic oracle-instantclient19.3-devel oracle-instantclient19.3-jdbc oracle-instantclient19.3-sqlplus check installed packages yum list oracle-instantclient * set environment echo " export ORACLE_HOME=/usr/lib/oracle/19.3/client64/lib/ " > ~/profile_oracle.sh echo " export LD_LIBRARY_PATH=/usr/lib/oracle/19.3/client64/lib/ " >> ~/profile_oracle.sh sh ~

New Installation command yum to dnf # old yum install -y git # new dnf install -y git Hardware Information CentOS　ハードウェア情報の取得 OS info cat /etc/redhat-release cat /etc/issue Configuration LoginProfile Change directory color on ssh cp /etc/DIR_COLORS ~/.dircolors vi ~/.dircolors DIR 01 ; 36 # directory LINK 36 ; 01 # symbolic link How to Add User to root Group on CentOS 5/CentOS 6 Change hostname hostnamectl set-hostname < HOSTNAME > SSHD CentOS7でSSHのポート番号を変更する firewalld Centos7 # Check enable firewall daemon systemctl is-enabled firewalld # Show status firewall daemon systemctl status firewalld # Stop firewall daemon systemctl stop firewalld # Start firewall daemon systemctl start firewalld # Disable firewall daemon systemctl disable firewalld # Enable firewall daemon systemctl enable firewalld Network Linuxのネットワークチーミング(Bonding)の設定【RHEL 6/CentOS 6】 Trouble shooting See easy Network status iftop Cannot connect internet ping <gateway IP> i