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RHEL操作系统内置的用户

[root@rhel78 setup-2.8.71]# cat /usr/share/doc/setup-*/uidgidNAME UID GID HOME SHELL PACKAGESroot 0 0 /root /bin/bash setupbin 1 1 /bin /sbin/nologin setupdaemon 2 2 /sbin /sbin/nologin setup...

2020-05-01 16:31:21

RHEL 8.2于2020年4月底发布了

在该链接中有一个sha-256的截图,该截图取自redhat.com网站。下载链接:https://pan.baidu.com/s/1hHGYoRtckYrKFozzbhlvzw提取码:dvkf注意:rhel 8.2的发布日期可能是2020.04.29,截止本文写成时,https://access.redhat.com/articles/3078这个文章(Red Hat Enterpr...

2020-05-01 06:51:00

RHEL7.8 x86-64bit 已发布

该下载链接中包括一个截图,截图中有SHA-256值下载链接:https://pan.baidu.com/s/1ShW1vZWhqbphqdXNWGIshQ提取码:fb03

2020-04-02 07:34:10

enable-case-insensitive-string-comparison-in-oracle-12c

By default, Oracle checks content as well as casing, while comparing the two strings in "where" or "like" or "case" statements.For example, the statement given below will return 0.SELECTCASEWH...

2020-03-08 18:25:24

rhel8中可以用yum install 安装bcc-tools包,bcc-tools包内有execsnoop等工具

[root@rhel8server1 ~]# cat /etc/redhat-release Red Hat Enterprise Linux release 8.0 (Ootpa)[root@rhel8server1 ~]# mount /dev/cdrom /mnt/cdrommount: /mnt/cdrom: WARNING: device write-protected, mou...

2020-02-27 22:17:01

RHEL5中系统定义的user

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/5/html/deployment_guide/s1-users-groups-standard-users

2020-02-02 18:23:02

Oracle transaction isolation levels

Our technologist isolates transactions safely.By Tom KyteNovember/December 2005Isolation LevelsI've read theOracle Database Conceptsmanual, Chapter 20, "Data Concurrency and Consistency," b...

2020-01-30 08:23:40

Should I enable large page support for Java?

Should I enable large page support for Java?SOLUTION 已验证- 已更新2016年二月3日23:45-English环境Java问题Should I enable large page support for Java?决议Enabling large page support can provide per...

2019-12-19 21:16:23

How do I enable large page support on Windows?

How do I enable large page support on Windows?SOLUTION 已验证- 已更新2014年九月5日10:06-English环境Windows Java JDK问题 I want toenable large page support for Java, and I must enable it on my Wi...

2019-12-19 20:44:41

How do I enable large page support for Java?

How do I enable large page support for Java?SOLUTION 已验证- 已更新2015年六月24日22:32-English环境Sun JDK OpenJDK IBM JDK JRockit JDK问题How do I enable Java large page support?决议First, large...

2019-12-19 20:43:53

RHEL 8.1 Support for Data Integrity Field/Data Integrity Extension (DIF/DIX)

4.9.File systems and storageSupport for Data Integrity Field/Data Integrity Extension (DIF/DIX)DIF/DIX is supported on configurations where the hardware vendor has qualified it and provides full ...

2019-11-17 09:50:45

Setting up NIC Teaming for Windows Server 2012*/2012 R2*/2016*/2019*

To create a NIC Team:In Server Manager, clickLocal Server. In the Properties pane locate NIC Teaming, and then click the linkDisabledto the right. The NIC Teaming dialog box opens. In Adapt...

2019-11-15 23:31:36

ss doesn't allow AND or OR expressions with parenthesis in RHEL 8

ss doesn't allow AND or OR expressions with parenthesis in RHEL 8SOLUTION 已验证- 已更新2019年十一月6日15:37-English环境Red Hat Enterprise Linux (RHEL) 8 iproute问题 In RHEL 8 its been observed th...

2019-11-14 22:04:35

【转载】PG的两种集群技术:Pgpool-II与Postgres-XL

转自:https://segmentfault.com/a/1190000007012082最近研究了PG的两种集群方案,分别是Pgpool-II和Postgres-XL,在这里总结一下二者的机制、结构、优劣、测试结果等。1、 Pgpool-II和Postgres-XL简介据我目前的了解,Pgpool-II和Postgres-XL是PG集群开源实现中比较成功的两个项目,互联网上相关的介绍...

2019-11-06 22:12:13

How to force xfs filesystem to shutdown?

How to force xfs filesystem to shutdown?SOLUTION UNVERIFIED- 已更新2019年四月8日10:47-English环境Red Hat Enterprise Linux 7 XFX filesystem问题Unmounting an xfs filesystem failed with EBUSY.Raw...

2019-11-04 01:01:55

XFS filesystem shuts down due to I/O errors from loss of paths

XFS filesystem shuts down due to I/O errors from loss of pathsSOLUTION UNVERIFIED- 已更新2015年一月22日09:47-English环境Red Hat Enterprise Linux 6.5 multipath XFS问题We are copying(rsync) data...

2019-11-04 01:01:19

XFS filesystem shutdown when deleting millions of files on RHEL

XFS filesystem shutdown when deleting millions of files on RHELSOLUTION UNVERIFIED- 已更新2019年三月8日20:43-English环境Red Hat Enterprise Linux 7问题XFS file system shut down when deleting 50 ~...

2019-11-04 00:58:30

XFS filesystem shutdown when filesystem is close to full

XFS filesystem shutdown when filesystem is close to fullSOLUTION 已验证- 已更新2019年九月27日10:09-English环境Red Hat Enterprise Linux 7.5 kernel-3.10.0-862.2.3.el7 XFS Filesystems with V4 superbl...

2019-11-04 00:57:41

How to extract a metadata dump from a XFS filesystem?

问题How to extract a metadata dump from a XFS filesystem?环境Red Hat Enterprise Linux (RHEL) 5 Red Hat Enterprise Linux (RHEL) 6 Red Hat Enterprise Linux (RHEL) 7 xfsprogs决议Umount the filesy...

2019-11-03 17:56:00

postgresql安装启动服务器以及uuid插件安装

postgresql安装目录:/opt/postgresql/9.6postgresql数据库目录:/data/postgresql/准备包:postgresql:https://www.postgresql.org/ftp/source/ postgresql-9.6.2.tar.gzuuid-ossp:https://launchpad.net/ubuntu/+source/ossp...

2019-11-01 21:24:35

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