CentOS7.5升级到CentOS 7.6
yum update -y
升级openssh7.9
升级openssh7.9
记一次从日立G400划一个LUN给dg数据库
日立多路径
CentOS Linux release 7磁盘扩容
CentOS Linux release 7 lvextend
the NTP socket is in use, exiting
the NTP socket is in use, exiting
zabbix安装agent
zabbix3.4.4安装agent configure: error: Unable to use libpcre (libpcre check failed)
linux之lvm
linux lvm
几个常用的linux性能监控命令
1. sar 每两秒刷新一次, 总共5次 [root@dbhost01 ~]# sar 2 5Linux 2.6.32-504.el6.x86_64 (dbhost01) 03/30/2018 _x86_64_ (4 CPU)02:53:15 PM CPU %user %nice %system %iowait %steal &...
修改系统时间
hwclock
redhat 6.2 配置 zabbix
服务器端安装1.搭建本地YUM源。# yum -y install httpd php php-mysql mysql-server mysql-client curl curl-devel net-snmp net-snmp-devel perl-DBI php-gd php-xml php-bcmath zlib-devel mysql-devel glibc-devel gcc automake libidn-devel openssl-devel net-snmp-devel rpm-devel OpenIPMI-devel php-mbstring2...
linux几个名词的意思
/usr unix software resource/var variable在/etc/security/limits.conf中设置的项目soft是警告的阀值,hard是严格限制的阀值,不可超过的数值
emc存储相关简称
SPs Storage ProcessorsHBA Host Bus AdapterDAE2 Disk-Array Enclosure 2-GbitSAN Shared Switched StorageSPE Storage Processors EnclosureDPE2 Disk Processor Enclosure 2-GbitEA Enclosure AddressCLI emc controlcenter Navisphere Command Line Interface...
使用nfs经验谈
一、场景:在Linux上操作命令:host3:/opt/oracle # iduid=0(root) gid=0(root) groups=0(root),64(pkcs11)host3:/opt/oracle # mount -t nfs 192.168.1.73:/opt/oracle/backup /opt/oracle/backupmount server reported tcp not available, falling back to udpmount: RPC:程序未注册hos...
Linux下.tar .gz .tgz .bz2 .bz等解、压包命令详解
tar命令tar 可以为文件和目录创建档案。利用tar,用户可以为某一特定文件创建档案(备份文件),也可以在档案中改变文件,或者向档案中加入新的文件。 tar最初被用来在磁带上创建档案,现在,用户可以在任何设备上...