Serial Terminal Configuration in RHEL Distribution Rumi, September 5, 2024 Serial Terminal Configuration in RHEL 7 Add, or update if already present, the following lines to /etc/default/grub: GRUB_CMDLINE_LINUX_DEFAULT=”console=tty0 console=ttyS0,115200n8″ GRUB_TERMINAL=serial GRUB_SERIAL_COMMAND=”serial –speed=115200 –unit=0 –word=8 –parity=no –stop=1″ GRUB_CMDLINE_LINUX_DEFAULT applies this configuration only to the default menu entry, use GRUB_CMDLINE_LINUX to apply it to all the menu entries. NOTE: each line type… Continue Reading
Reset root password in Centos/Redhat/SL linux Rumi, June 6, 2014 1. Boot the system and when you see the following message “Press any key to enter the menu”, press any key. (You will see the list of available kernel versions.) 2. Press e in order to edit commands before booting. 3. Highlight the list item with vmlinuz in it by… Continue Reading
Install Varnish on CentOS/RedHat/SL 5 or 6 Rumi, December 5, 2012December 5, 2012 Varnish Cache is a web application accelerator also known as a caching HTTP reverse proxy. It is installed in front of the web application and it speeds up the web application significantly. Since varnish is not available in CentOS repo, you have to add the EPEL repo. However Varnish suggests… Continue Reading
Reset root Password for Redhat/CentOS/Sl Linux 5.x Rumi, November 1, 2012November 1, 2012 You can log in using single-user mode and create a new root password. To enter single-user mode, reboot your computer. If you use the default boot loader, GRUB, you can enter single user mode by performing the following: At the boot loader menu, use the arrow keys to highlight the… Continue Reading
mod_jk for RHEL6 Rumi, April 20, 2012 If you have a RHEL6 box which ships both Apache and Tomcat6 you might want to connect the two together. You probably have looked around for mod_jk as a RHEL6 RPM or SRPM (src.rpm). You find that It isn't in EPEL, and it isn't in Red Hat Optional Server… Continue Reading