System/Linux17

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  sda must have a GPT disk label sda must have a GPT disk label RHEL 6.7 설치 케이스 (RHEL 6.7 Install Case) 2TB 이상 디스크에 OS를 설치할 경우 UEFI로 설치 해야 하는데, 2TB 이상 디스크가 아닌 경우에도 UEFI로 설치를 진행할 때 디스크를 GPT로 변경해야 합니다 Legacy Install의 경우 기본적으로 파티션을 /, /boot, swap 3개의 파티션으로 구성되지만 UEFI Install의 경우 기본적으로 파티션을 /, /boot, /boot/efi, swap 4개의 파티션으로 구성합니다 You must UEFI Install when Over Disk of 2TB size However, if you proceed with UEFI Installations on d.. System/Linux 2018. 3. 12.

• PDSH Settings Environment: Head, N01, N02 pdsh install ]# wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm ]# rpm -Uvh epel-release-6-8.noarch.rpm ]# yum install pdsh pdsh-mod-dshgroup pdsh use ]# pdsh -w n[01-02] uptime ]# pdsh -w n[01-02] wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm ]# pdsh -w n[01-02] rpm -Uvh epel-release-6-8.noarch.rpm ]# pd.. System/Linux 2018. 3. 12.

• SSH login with Password-Less #ssh-keygen #ssh-copy-id -i [remote-IP] #scp /etc/hosts [remote-IP]:/etc/hosts System/Linux 2018. 3. 12.

• EPEL repository EPEL(Extra Packages for Enterprise Linux) if not in the Base repository, use epel repository Error: Package: 1:nvidia-kmod-352.93-2.el6.x86_64 (cuda) Requires: dkms # yum install dkms Loaded plugins: fastestmirror, refresh-packagekit, security Setting up Install Process Loading mirror speeds from cached hostfile * base: centos.mirror.cdnetworks.com * extras: centos.mirror.cdnetworks.com * update.. System/Linux 2018. 3. 12.

• Shell Script Error "/bin/bash^M: bad interpreter" 증상(Symptom) -bash: ./shellscipt.sh: /bin/bash^M: bad interpreter: No such file or directory 해결(Solution) vi -b shellscript.sh :%s/^M//g :wq ※ ^M is typing as "Ctrl+V"+"Ctrl+M", not "Shift + 6"+"M" System/Linux 2018. 3. 12.