centos内核升级 centos升级2.6内核到3.10 在yum的ELRepo源中,有 m ain l ine(3.13.1). l ong- t erm(3.10.28)这2个内核版本,long-time为长期支持. 查看看当前内核版本 uname -r 安装elrepo(http://elrepo.org/tiki/tiki-index.php) 导入public key rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
在本机上装的CentOS 5.5 虚拟机, 软件准备:jdk 1.6 U26 hadoop:hadoop-0.20.203.tar.gz ssh检查配置 Linux代码 [[email protected] ~]# ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Created directory '/root