Environment Red Hat Enterprise Linux (RHEL) 4 5 6 7 Issue How to monitor the permission change and ownership change of a particular directory or file? How to configure auditd to find how a file was modified in Red Hat Enterprise Linux? What tool can audit files at a directory level? How do I monitor files or […]
Category: RedHat
Centos 7/RHEL 7 LVS HAPROXY KEEPALIVED
Credit: CertDepot: Presentation For this tutorial, you need 2 virtual/physical servers for the load-balancers and 2 virtual/physical servers to load-balance. In addition to the 4 IP addresses needed by the servers themselves, a fifth virtual IP address (VIP) is necessary. The two load-balancers and the VIP need to be in the same network segment. Piranha […]
How to create the yum repository on RHEL 7
How to create the yum repository on RHEL 7 ? There is no much difference in package management in RHEL 7 when we compared to RHEL 6 . We can set up the yum repository using the DVD or you can dump the DVD contents to the filesystem and set-up it. Later on , you can make that […]
RHEL 7 – vpshere increase space on unpartioned disk (root or non-root) ext4 XFS
1. login to vpshere and expand disk to new space for the vm 2. echo the following command – change controller to match ; you can also reboot to see the changes echo “- – -” > /sys/class/scsi_host/host0/scan 3. login to VM – determine if filesystem mount is directly written to; if so you can […]
Redhat tuned-adm
Installing and configuring Tuned To start using tuned we will first need to install the packages for it: [root@server ~]# yum install tuned After the packages are installed we can query the status of the tuning daemons using the tuned-adm activecommand: [root@server ~]# tuned-adm active Current active profile: off Service tuned: disabled, stopped Service ktune: disabled, stopped As […]
How to downgrade kernel and redhat-release to a previous minor version of Red Hat Enterprise Linux
Source: How to downgrade kernel and redhat-release to a previous minor version of Red Hat Enterprise Linux SOLUTION VERIFIED – Updated July 24 2014 at 11:03 AM – English Environment • Red Hat Enterprise Linux (RHEL) 6 • Red Hat Enterprise Linux (RHEL) 5 Issue • The kernel and redhat-release packages have been upgraded to a version later […]