用 OATH Toolkit 設定 CentOS 7 OTP 認證
要先安裝 epel # yum install epel-release 然後再安裝下列套件 # yum install liboath gen-oath-safe pam_oath oathtool 修改 pam.d 的 sshd 設定檔案 # vi /etc/pam.d/sshdauth …
disable nouveau in order to install cuda
# lsmod |grep nouveau nouveau 1662531 0 video 24538 1 nouveau mxm_wmi 13021 1 nouveau drm_kms_helper 176920 2 ast,nouveau ttm 99555 2 …
安裝 lustre with dkms
# yum install -y expect libyaml-devel # rpm -ivh dkms-2.6.1-1.el7.noarch.rpm # rpm -ivh lustre-client-2.12.2-1.el7.x86_64.rpm lustre-client-dkms-2.12.2-1.el7.noarch.rpm Preparing… ################################# [100%] Updating / installing… 1:dkms-2.6.1-1.el7 …
useradd 改變預設home路徑
# vi /etc/default/useradd# useradd defaults file GROUP=100 HOME=/data/home INACTIVE=-1 EXPIRE= SHELL=/bin/bash SKEL=/etc/skel CREATE_MAIL_SPOOL=yes
OpenSSH Host-based Authentication
# vi /etc/ssh/ssh_configHost * HostbasedAuthentication yes EnableSSHKeysign yes # vi /etc/ssh/sshd_configHostbasedAuthentication yes # cat /etc/ssh/shosts.equivh1c1192.168.1.100192.168.1.101 # cat ssh_hostsh1,192.168.1.100c1,192.168.1.101# ssh-keyscan -t rsa -f …
centos glusterfs 4.1
yum install centos-release-gluster41 yum update glusterfs
列出 getent passwd
# vi /etc/sssd/sssd.conf autofs_provider = ldap cache_credentials = True ldap_search_base = dc=liho,dc=tw krb5_realm = LIHO.TW krb5_server = kerberos.liho.tw id_provider = ldap auth_provider …
加入訊息到 dmesg
# echo “this is a test message” > /dev/kmsg
ssh-keygen -t ecdsa
$ ssh-keygen -t ecdsa -b 521
手動 rotate logs
# logrotate /etc/logrotate.d/your-logrotate-config