1 简述 TCP wrappers is a simple tool to block incoming connection on application level. This was very useful 20 years ago, when there were no firewalls in Linux. This is not the case for today and connection filtering should be done in network level or…
RHEL以及他的衍生发行版如CentOS.Scientific Linux为了稳定,官方的rpm repository提供的rpm包往往是很滞后的,当然了,这样做这是无可厚非的,毕竟这是服务器版本,安全稳定是重点,官方的rpm repository提供的rpm包也不够丰富,很多时候需要自己编译那太辛苦了,而EPEL恰恰可以解决这两方面的问题. EPEL的全称叫 Extra Packages for Enterprise Linux .EPEL是由 Fedora 社区打造,为 RHEL 及衍生发行…
今天在安装MySql的时候,想选择linux的版本对应的MySql. 1.查看内核版本和x86/x64版本 方法一.cat /proc/version [root@sxl129 Desktop]# cat /proc/version Linux version -.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) ( (Red Hat -) (GCC) ) # SMP Fri Nov :: UTC 方法二.uname -a ktop]# uname…