Google Input Tools Offline Installers

Google offers excellent non-latin character input software which works on transliteration rather than explicit keyboards which is very hard to do specially when the US keyboard layout had virtually overtaken the computer industry.

Google Input Tools (GIT) installer from the official site is online, i.e. it downloads a small stub and later depending upon the configuration and setting will download the larger installer.

If someone needs an offline installer for GIT, you can download it from the following links,

Hindi (Devnagri) : http://dl.google.com/transliteration-ime/1.0.4.0/googlehindiinputsetup.exe
Malayalam (Malayalam) : http://dl.google.com/transliteration-ime/1.0.4.0/googlemalayalaminputsetup.exe
Sanskrit (Devnagri) : http://dl.google.com/transliteration-ime/1.0.4.0/googlesanskritinputsetup.exe

Basically, just replace the from the url and enter your desired language name.

Multimaster replication with Symmetric DS

Symmetric DS is an awesome tool for trigger based replication whcih works for all major database vendors, including but not limited to PostgreSQL, MySQL, MSSQL, Oracle and many others. Symmetric-DS is a java application and can execute on any platform on whcih JRE is available including Windows and Linux. Trigger based replication, in constrast to disk based (eg. DRBD ) or transaction log file shipping based or statement based , works by registering triggers on DMLs and sending the data thus generated to remote machines. Another very popular trigger based DB replication tool is Slony . Symmetric-DS in addition to being database agnostic also supports multi-master replication (MMR). MMR usecase involves multiple database nodes, connected in a pool with DML updates coming from any of them. This is different from the normal master-slave replication, where slaves are not expected to generate any data events, and the sole authority of database is the master. MMR requirement causes d...

Reset root password RHEL/Rocky/CentOS 9

Unlike the earlier versions of Rethat variants, version 9 doesn't allow single user mode to change password, as maintanance mode in 9 requires root password . Single user mode (runlevel 1) can easily be obtained by appending the word ' single ' at the end of the line starting with 'linux' by editing the entry in boot menu by pressing ' e ' at boot menu. To reset the root password on the other hand, one requires to follow a specific set of commands, At the boot menu, edit rescue mode to append 'rd.break ' at the end of the line starting with kernel. Boot with the edited line by pressing Ctrl+X or F10. At the new prompt starting with switch_root, type the following commands, mount -o remount, rw /sysroot chroot /sysroot touch /.autorelabel passwd <new root password> exit reboot

Devstack installation with cells in multiple machines

Devstack is a testing and development package for OpenStack . The official devstack website has excellent but terse installation instructions, which could be daunting to a newbie. Normally, a traditional install is pretty straightforward but problems creep in when you have to go for some particular configuration or installation like cells or a simple code-test-debug setup, the information on the main site is insufficient. In this blog, I will enumerate the steps for setting up a cell-ular devstack installation with one parent and one child. Parent will not be instantiating any VMs s it's only a 'command centre'. 1. On both machines, install git and vim, clone the devstack repo using git. yum install git vim git clone https://git.openstack.org/openstack-dev/devstack 2. On both machines, open up the file 'local.conf' inside the cloned directory 'devstack' cd devstack; vim local.conf 3. Copy the parameters below to the file...

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