The Linux Foundation is making some adjustments to its LFCS and LFCE exams starting on March 1, 2015: in the LFCS exam objectives, RAID is replaced with LVM, in the LFCS exam, the pass mark becomes 74% (instead of 65%),…
When dealing with SMTP for the RHCE or LFCE exams, there are some tips that can be very useful to know about Postfix. First, you’ve got a very interesting website at http://www.postfix.org/postfix-manuals.html. Then, during the exam, you can get some…
One week after the CentOS 7 rolling builds announcement, one day after the Fedora 21 release, it’s now the RHEL 7.1 Beta that is unveiled! This minor release brings many new improvements. Lots of them are summed up in the…
Yesterday, Red Hat published a post concerning RHCSA & RHCE 6 exams availability. According to this post, candidates have one year to take RHCSA 6 or RHCE 6 exams as Individual Exam Sessions under the condition that they purchase the…
If you plan to take the RHCSA 6 or RHCE 6 exams, you’ve got to hurry because these exams will be withdrawn in two to three weeks. As RHCSA 7 is not too different from RHCSA 6, it will not…
Since RHEL 6, a transaction history has been added to the yum command. This feature allows you to precisely know which packages have been installed on a server and in which order. In addition, you can undo or redo any…
If you need to configure a server for a specific task (for SAP, with reduced network latency, for maximum throughput, as a desktop, as a virtual host, etc), a dedicated tool already existed in RHEL 6: tuned-adm. This tool still…
In one of his latest videos Sander van Vugt shows us that some SELinux information is not available without some tricky operations. Actually, after a standard RHEL 7 / CentOS 7 installation, only basic SELinux man pages are installed. All…
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