Mastering IP Management: How to Effectively Whitelist and Blacklist IP Addresses in cPanel
Discover the significance of blacklists and whitelists in managing access and privileges, from denying services to recognizing accepted entities. Learn how to effectively whitelist or blacklist IP addresses using cPanel's cPHulk Brute Force Protection feature to enhance your security.
:: vsftpd jail users
:: What is vsftpd
vsftpd is an FTP server for Unix-like systems, including Linux. It is licensed under the GNU General Public License. It supports IPv6 and SSL. - wikipeda
:: Uninstall Plesk on CentOS
:: What is Plesk
The Parallels Plesk Panel (ex: Parallels Plesk Control Panel, Plesk Server Administrator, PSA,[citation needed] or just Plesk) software package is a commercial web hosting automation program. - wikipedia
:: increase semaphores
:: How to check semaphores
ipcs -a ------ Shared Memory Segments -------- key shmid owner perms bytes nattch status ------ Semaphore Arrays -------- key semid owner perms nsems 0x00000000 65536 daemon 600 1 0x00000000 98305 daemon 600 1
:: No irq handler for vector
:: Kernel error
if you get kenel error on your CentOS Linux like:
kernel:do_IRQ: 1.92 No irq handler for vector (irq -1)