How to install pandoc on CentOS
Pandoc is a universal document converter Home page: http://pandoc.org/ Step 1: Download releases here: https://github.com/jgm/pandoc/releases Step 2: Step 3: Step 4: install xelatex (in package:…
Category: LINUX
CentOS: how to fix error: Having multiple in isn’t supported and may not work as expected
If you get error like: See content of file eg: /opt/libreoffice4.0/share/fonts/truetype/fc_local.conf You see a list of 2 font names aliased to Arial Narrow. You delete…
How to install old version of LibreOffice on CentOS
Access this link: http://downloadarchive.documentfoundation.org/libreoffice/old/ to see all old versions of LibreOffice Now we see all versions from 3.3.0.4 to 6.2.0.1 Example install LibreOffice v3.3.0 rc4…
How to install LibreOffice on CentOS
LibreOffice is a powerful office suite – its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity. LibreOffice includes several…
How to fix error can’t save iptables settings on CentOS 7
On CentOS 7, you can’t save iptables settings, how to fix this issue Step 1: check service firewalld: If this service is running, disable it…
CentOS: how to fix error: BDB2053 Freeing read locks for locker
CentOS: how to fix error: BDB2053 Freeing read locks for locker? Here, two examples for this error. How to fix this error? Step 1: Result:…
How to fix error can’t ping any hostname on Linux
How to fix error can’t ping any hostname on Linux? But you can ping IP. So strange! How to fix this error? Simple, you only…
Understanding ps aux output in Linux
When use command ps aux we get this output: What does each column of the output mean? USER = user owning the process PID =…
How to use AWS EC2 Linux with Putty and Bitvise Tunnelier
After create instance you have a pem key like vps1.pem and some information like: Public DNS (IPv4) ec2-54-169-145-222.ap-southeast-1.compute.amazonaws.com Convert your private key Step 1: open…
How to flush DNS cache on CentOS
Flush caching BIND server DNS cache A caching BIND server obtains information from another server (a Zone Master) in response to a host query and…