Clear RAM Memory Cache, Buffer and Swap Space on Linux Rumi, May 9, 2018July 14, 2020 Clear PageCache only # sync; echo 1 > /proc/sys/vm/drop_caches Clear dentries and inodes # sync; echo 2 > /proc/sys/vm/drop_caches Clear PageCache, dentries and inodes # sync; echo 3 > /proc/sys/vm/drop_caches Related Administrations Free MemoryRAM Clear
Java plug-in does not work in Firefox after installing Java May 1, 2020 Tested on Firefox 42 (old release) and Sea-Monkey 2.46/2.49. There are several workaround options. The simplest method is noted first and is recommended. The remaining available options are not recommended for non-technical users. Option 1: Add property name dom.ipc.plugins.java.enabled in Firefox preferences 1. Launch Firefox 2. Type about:config in the… Read More
Set Hostname in Centos 7 May 11, 2019 CentOS 7 only allows Fully Qualified Domain Names (FQDN’s). Acceptable values include lower-case letters a to z, numbers 0 to 9, the period, and the hyphen, and between 2 and 63 characters. At the console, type: hostnamectl set-hostname my.new-hostname.server NOTE: Replace my.new-hostname.server with your chosen hostname. Check the Hostname hostnamectl Related Read More
Zimbra Letsencrypt SSL Renew – Zimbra 8.6 September 1, 2018 Let’s Begin: This works if you already have an expired letsencrypt ssl certificate and assuming you have already deployed SSL in you zimbra system. However, if you come up here already, and would like to know how to setup letsencrypt on your system you may read my other article here:… Read More