Clear RAM cache and swap space on Linux
Clear RAM Cache on Linux 1. Clear PageCache only. 2. Clear dentries and inodes. 3. Clear PageCache, dentries and inodes. Clear swap space on Linux…
Category: LINUX
How to use memcached with replication on CentOS
Repcached is memcached which implemented multi master asynchronous replication feature. Download source code. Repcached key features Multi master replication. Asynchronous data repliacation. Support all memcached…
Examples create redis server
Create redis server Result: Done, You’ll be able to stop and start Redis using the script named /etc/init.d/redis_ , for instance /etc/init.d/redis_6379 Check: Edit file…
CentOS: how to remove only one package
If you use yum remove command, you remove the package and the dependencies of the package. How to remove only one package like gnupg2 Example…
How to compile FFmpeg on CentOS – part 2
Part 1: How to compile FFmpeg on CentOS This part guide how to install more library for ffmpeg Step 13: Install harfbuzz (If you use…
How to Fix error “autoreconf: failed to run autopoint: No such file or directory” on CentOS
On CentOS, when executing “autoreconf -i” command in some repository, it prompts following error: The solution is installing gettext-tools: result: Then “autoreconf -i” works!
Secure Memcached on Linux
Memcached is Vulnerable and hacker can use your server to DDOS victims, so you must secure your memcached server. I. By iptables Step 1: disable…
PHP: How to fix error shell_exec can’t run some command on Linux
Example you create file 1.php with content: If you run this command with root: It work well But if you run under HTTP: http://tutorialspots.com/1.php it…
How to combine multiple partitions into one large in CentOS by mergerfs
Read previous article: How to combine multiple partitions into one large in CentOS mergerfs is a union filesystem geared towards simplifying storage and management of…
How to fix Error: rpmdb open failed on CentOS
Today, I want to install some packages on my CentOS 7 server. Unfortunately, i can’t do this. When I run the “yum update” command, I…