In this guide, we are about to see how to safely remove a Luks encrypted disk from RedHat Enterprise Linux 6, 7 and variant Linux distributions. The steps are just reverse to the creation order. Before starting with removing anything first priority we need to back-up every content from encrypted partition to any other location/File … Read more
In this guide let us see how to provide special permission for a user on file or directory by using ACL. # chmod A+user:jack:read_data/write_data/execute:allow /home/export/sysadmin/ -bash-4.1$ ls -v /home/export/sysadmin/ total 4 -rw-r–r– 1 jack staff 0 Dec 22 10:32 1111 0:owner@:read_data/write_data/append_data/read_xattr/write_xattr /read_attributes/write_attributes/read_acl/write_acl/write_owner /synchronize:allow 1:group@:read_data/read_xattr/read_attributes/read_acl/synchronize:allow 2:everyone@:read_data/read_xattr/read_attributes/read_acl/synchronize :allow This is similar to setfacl command in Linux.
In this guide let us see how to exclude some of the filesystems, directories, files from Symantec NetBackup during full backup or increment backup. In Enterprise backup solution SNBU we have the option to exclude the list of files or folders by creating a file under /usr/openv/netbackup/exclude_list and it needs to contain all the exclusion list. … Read more
OSSEC is a Host-based Intrusion Detection System available for Linux, Solaris, FreeBSD, OpenBSD, Mac OS X etc. It has the feature to perform as log analysis, rootkit detection, real-time alerting system. In this guide, we are going to see how to install OSSEC in Red Hat Linux and Variants. By following we are going to … Read more
Introduction Sudo email alert, If we need to get an alert when some user executes some command which not suppose to run. Or if some user not at all have sudo privilege and they try to get an administrative escalation by running sudo. This all can be get monitored instantly with the help of sudo … Read more