Category: Professional
Aug 27
Differences among Functional Diagrams, Activity Diagrams, Sequence Diagrams, and Class Diagrams? Why are these important in OOD and OOP.
Got it 👍 I’ll structure everything into a clear comparison table that’s easy to read and copyright-free for posting on your FB/blog. 📘 OOD & OOP Diagrams – Quick Comparison Diagram Type Purpose / Focus Static or Dynamic Example Use Functional Diagram Shows system functions and how data flows between them. Static (overview level) Mapping …
Dec 23
yum upgrade and yum update
“yum upgrade and yum update will perform the same function that update to the latest current version of package. But the difference is Upgrade will delete obsolete packages, while update will preserve them.Jul 3, 2014” https://unix.stackexchange.com/questions/55777/in-centos-what-is-the-difference-between-yum-update-and-yum-upgrade 3.3. UPDATING PACKAGES FROM THE COMMAND LINE WITH YUM https://access.redhat.com/documentation/en-us/red_hat_network_satellite/5.5/html/reference_guide/sect-reference_guide-package_updater-updating_packages_from_the_command_line_with_yum yum install package_nameyum update package_nameyum check-updateyum remove package_nameyum provides …
Dec 23
Check if your yum server is working or not
Check if your yum server is working or not yum repolistyum install tree yum repolist enabledyum repolist all
Dec 23
Let FTP work through Firewall
Let FTP work through Firewall firewall-cmd –add-service=vsftpd –permfirewall-cmd –add-service=ftp –permsystemctl reload firewalldsystemctl start firewalldsystemctl enable firewalldvi /etc/yum.repos.d/local.repo
Dec 23
AutoFS (Linux AutoFS)
AutoFS and Mounting in Linux/Redhat/CentOS echo “AutoFS – Automatic FS system Mounting – Dec 26th, 2017 by Sayed” check if Autofs installed or notyum list installed | grep autofs I just installed; hence it is thereyou can install with yum -y install autofs yum -y install autofs then you can enable autofssystemctl status autofssystemctl start …
Dec 08
Terminating Process in Linux
Kill a Process •kill PID •kill -SIGNAL PID •Kill –s 9 pid •Kill -9 pid •kill -15 PID •
Dec 08
Process Control in Linux
Important Notes •System Processes •usually run •in the background •Use & to start •a process to the background •Use fg •to bring to foreground •Ctrl+z takes to background
