Linux RHCE7 - System Optimization Part 4: System Optimization /proc file systems The /proc and /sys sudo file systems, and how these file systems are used by the Linux kernel to keep current status information.
rhel RHEL7 - SELinux The blessing and the curse that is SELinux. Stop turning it off. Get the right tools yum install setroubleshoot-server selinux-policy-devel Checking the current mode getenforce Edit /etc/sysconfig/selinux to
Linux RHCE7 - Apache See all of the guides. Part 7: Working with Apache and MariaDB ApacheBasicsInstall a basic Apache web server. yum groups install -y "Basic Web Server" vim /etc/httpd/conf/httpd.
rhel RHCE7 - Firewall See all of the guides. Part 6 Firewall Firewalling: netfilter runs at the kernel level iptables Complete configurationsfirewall-cmd Easy command line that writes to iptablesZone A zone is an indication
rhel RHCE7 - Networking See all of the guides. Part 5: Advanced Networking Networking BasicsDevices use biosdevname (enp3s0f0) User ip link to view interfaces nmcli is your friend. nmcli tab tab will show you
Linux RHCE7 - Storage See all of the guides. Part 2: Storage iSCSI BasicsTargets provide access to the storage backend. The backend could be: Physical disksPartitionsLogical VolumesFilesServers connect to the targets using the iSCSI
notes RHCE 7 - Authentication See all of the guides. Part 1: Authentication. LDAP and KerberosConfiguring external authentication to LDAP. Read below for FreeIPANeed to know - authconfig Authconfig manages the configuration of many authentication
