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开源社区 ovirt-node 介绍 ovirt-node 是开源社区 oVirt 的一个开源项目，它是基于 KVM 和 Linux 技术的一套最 小化的 Linux 系统，它只提供最基本的操作 系统功能以及虚拟机管理等，在整个虚 拟化系统中充当节点主机的功能，是整个虚拟化平台的一个重要组成部分。它具有 小巧，灵活，方便定制等特点。本 文在功能和结构上介绍了 ovirt-node，以及 ovirt-node 的获得，安装，定制化等工作。 评论：乔 立勇, 软件工程师, IBM金 运通, 高级软件工程师, IBM2012 年 7 月 13 日内容ovirt-node 是开源虚拟化管理平台 oVirt 的客户端部分，它是一个经过定制的最小化 fedora 系统，充当虚拟机管理器（Hypervisor）host 的角色，与管理端 overt-engine 组成一个虚拟化管理平台。ovirt-node 以其小巧，灵活的特点，可以很方便地进行开发与定制。overt-node 项目简介ovirt-node 简介ovirt-node 是 Ovirt 社区的一个开源项目，它的目的是构建一个精简、健壮的操作系统镜像，该镜像可以使用最小化的资源去提供控制虚拟机的能力运行在其上面的虚拟机。简单地说 ovirt-node 是一个小的主机镜像，该镜像提供 libvirt/vdsm(Virtual Desktop Server Manager) 和 KVM(Kernel based virtual mach...
Masking a boot device might make /bootbank unavailable on an ESXi system (1021455) Details If you accidentally mask a boot device, the /bootbank partition on your ESXi system might become unavailable. The /bootbank partition contains core hypervisor code and is critical for the functioning of the ESXi system. If the partition becomes unavailable, your system might experience serious performance problems and fail. Solution Use the vSphere CLI to unmask the paths to the boot device.Use the esxcfg-scsidevs -a command to determine which adapter is used for the boot device.Run the following command to obtain a list of all claim rules for the boot device adapter. The following example uses vmhba1 adapter: # esxcli corestorage claimrule list|grep vmhba1In the list, locate the MASK_PATH claim rules, which look similar to the following:MP 148 runtime location MASK_PATH adapter=vmhba1 channel=0 target=0 lun=0MP 148 file location MASK_PATH adapter=vmhba1 channel=0 target=0 lun=0MP 149 runti...
VMDirectPath is a great new feature with vSphere 4.0, but with new features come new challenges. This page will deal with some common configuration problems that you might encounter.1) Disable VMDirectPath with a reboot2) Disable VMDirectPath without a reboot3) Remove devices from the VMDirectPath Configuration when you're unable to do so with the vSphere client4) Dealing with the ESXi boot device that has been enabled for VMDirectPathDisabling VMDirectPath with a rebootYou may encounter a situation where you need to just diable VMDirectPath. If you are able to reboot your host you can set the VMkernel option Boot.noIOMMU to enabled and restart the server. This won't help if you're allocated your boot device to VMDirectPath. For that see this section. When you do this to a host and then go to Configuration \ Hardware \ Advanced Settings, the host will show the message that it does not support VMDirectPath as shown in the second image. If you want to enable VMDirectPath, you can unchec...
Linux 升级Glib时报错 error GNU libiconv not in use but included iconv.h is from libiconv
在使用以下方法编译安装就可以正常使用了。
./configure --prefix=/usr --with-pcre=system --with-libiconv
OpenSSL-1.0.1e Introduction to OpenSSL The OpenSSL package contains management tools and libraries relating to cryptography. These are useful for providing cryptography functions to other packages, such as OpenSSH, email applications and web browsers (for accessing HTTPS sites). This package is known to build and work properly using an LFS-7.4 platform. Package Information Download (HTTP): http://www.openssl.org/source/openssl-1.0.1e.tar.gz Download (FTP): ftp://ftp.openssl.org/source/openssl-1.0.1e.tar.gz Download MD5 sum: 66bf6f10f060d561929de96f9dfe5b8c Download size: 4.3 MB ...
下载好最新版mysql-5.6.14.tar.gz首先 建好mysql用户与用户组，#：groupadd -g 45 mysql && useradd -c "MySQL Server" -d /srv/mysql -g mysql -s /bin/false -u 45 mysql解压mysql,进入mysql目录。#：make . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_DATADIR=/usr/local/mysql/data -DSYSCONFDIR=/etc -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_ARCHIVE_STORAGE_ENGINE=1 -DWITH_BLACKHOLE_STORAGE_ENGINE=1 -DWITH_FEDERATED_STORAGE_ENGINE=1-DWITH_PARTITION_STORAGE_ENGINE=1 -DMYSQL_UNIX_ADDR=/tmp/mysqld.sock -DENABLED_LOCAL_INFILE=1 -DEXTRA_CHARSETS=all -DMYSQL_USER=mysql或是用以下方法，会有报错。 #：sed -i "/ADD_SUBDIRECTORY(sql\/share)/d" CMakeLists.txt &&
sed -i "s/ADD_SUBDIRECTORY(libmysql)/&\\nADD_SUBDIRECTORY(sql\/share)/" CMakeLists.txt &&
sed -i "s@data/test@\${INSTALL_MYSQLSHAREDIR}@g" sql/CMakeLists.txt &&
sed -i "s@data/mysql@\${INSTALL_MYSQLTESTDIR}@g" sql/CMakeLists.txt &&
sed -i "s/srv_buf...
mysql5.6源代码编译安装 /*安装CMake*/ /*进入CMake源代码所在目录*/ cd # /*解压CMake源代码*/ tar zxf cmake-2.8.3.tar.gz /*进入CMake源代码目录*/ cd cmake-2.8.3 /*配置安装参数*/ ./configure --prefix=/usr/local/cmake /*编译*/ gmake /*安装*/ make install /*设置软连接*/ ln -s /usr/local/cmake/bin/cmake /usr/bin ########################################################################## /*创建用户组*/ groupadd mysql /*创建用户并加入用户组，并取消永不的sbin权限*/ useradd -g mysql -s"/sbin/nologin" mysql /*进入root目录[源文件所在目录]*/ cd # /*解压mysql源代码*/ tar zxf mysql-5.5.8.tar.gz /*进入解压后的MYSQL源代码目录*/ cd mysql-5.5.8 /*用cmake配置编译选项*/ cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_DATADIR=/home/mysql -DSYSCONFDIR=/etc -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_ARCHIVE_STORAGE_ENGINE=1 -DWITH_BLACKHOLE_STORAGE_ENGINE=1 -DWITH_FEDERATED_STORAGE_ENGINE=1 -DWITH_PARTITION_STORAGE_ENGINE=1 -DMYSQL_UNIX_ADDR=/t...
源码编译安装 MySQL 5.6.10最佳实践 经过与cmake的参数对照之后，去除掉已经被取消的参数（大多数是因为新版本已经默认启用），cmake的参数配置如下： cmake -DCMAKE_INSTALL_PREFIX=/usr/mysql \ -DSYSCONFDIR=/usr/mysql/etc \ -DMYSQL_DATADIR=/usr/mysql/data \ -DMYSQL_TCP_PORT=3306 \ -DMYSQL_UNIX_ADDR=/tmp/mysqld.sock \ -DMYSQL_USER=mysql \ -DEXTRA_CHARSETS=all \ -DWITH_READLINE=1 \ -DWITH_SSL=system \ -DWITH_EMBEDDED_SERVER=1 \ -DENABLED_LOCAL_INFILE=1 \ -DWITH_INNOBASE_STORAGE_ENGINE=1 \ -DWITHOUT_PARTITION_STORAGE_ENGINE=14.1参数：-DWITHOUT_PARTITION_STORAGE_ENGINE=1 在64位机器上编译不过，会出现如下错误:(64位机器的浮点数运算上出错,导致找不着相应的函数) libsql.a(handler.cc.o): In function `get_ha_partition(partition_info*)’: /data/mysql-5.5.14/sql/handler.cc:269: undefined reference to `ha_partition::ha_partition(handlerton*, partition_info*)’ /data/mysql-5.5.14/sql...
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