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dmidecode ipmitool mcelog
Dec012011
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ubuntu编译xen报缺少iasl的处理
Nov242011解决办法是先编译好iasl,copy到$PATH中。 wget http://acpica.org/download/acpica-unix-20110922.tar.gztar zxvf acpica-unix-20110922.tar.gzcd acpica-unix-20110922/compilermakecp iasl /usr/bin 接下来可以顺利的编译通过xen了。wget http://bits.xensource.com/oss-xen/release/4.1.2/xen-4.1.2.tar.gz$ tar zx ...
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BUG of kickstart config file of Ubuntu
Nov242011利用RHEL的kickstart安装ubuntu,通过已有的一台ubuntu的kickstart工具生成了cfg文件,结果中看不中用,clearpart不起作用,无法完全的无人值守安装,因为无法自动删除raid和lvm,所以安装的时候只好把设定好的raid及分区部分注释掉,然后通过文本安装页面进行配置。另外openssh-server也木有安装好,只能通过console手 ...
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Linux Keyboard shortcut keys
Oct212011CTRL + C Cancels the currently running command.CTRL + D Logs out of the current session.CTRL + Z Cancels current operation, moves back a directory or takes the current operation and moves it to the background. CTRL + A Move ...
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nice linux
Sep152011
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reset low speed USB device using ehci_hcd
Sep062011dmesg has such logs: usb 1-5.1: reset low speed USB device using ehci_hcd and address 4 usb 1-5.1: reset low speed USB device using ehci_hcd and address 4 usb 1-5.1: reset low speed USB device using ehci_hcd and address 4 usb 1-5.1: reset low speed USB device using ehci_hcd and address 4 usb 1-5 ...
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Linux will keep /tmp files for 10 days by default
Aug032011For files in /tmp directory, linux has cron at /etc/cron.daily to deal with:[2hei.net cron.daily]$ cat tmpwatch flags=-umc/usr/sbin/tmpwatch “$flags” -x /tmp/.X11-unix -x /tmp/.XIM-unix \ -x /tmp/.font-unix -x /tmp/.ICE-unix -x /tmp/.Test-unix 240 /tmp/usr/sbin/tmpw ...
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从源码编译rpm,安装升级 openssl及openssh 最新版本
Jul222011当前版本:$ ssh -VOpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008目标版本:openssh-5.8p2.tar.gzopenssl-0.9.8r.tar.gz compile and upgrade openssl-0.9.8rwget http://www.openssl.org/source/openssl-0.9.8r.tar.gztar zxvf openssl-0.9.8r.tar.gzmkdir -p /usr/src/redhat/SPECS/mkdir -p /usr/src/redha ...
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cassandra cluster install and configuration
Jul1320111) Install http://labs.renren.com/apache-mirror/cassandra/0.7.6-2/apache-cassandra-0.7.6-2-bin.tar.gz(apache官网推荐人人的mirror,不过link有问题 ^_^) * tar -zxvf apache-cassandra-$VERSION.tar.gz * cd apache-cassandra-$VERSION * sudo mkdir -p /var/log/cassandra * sudo cho ...
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