记录关于系统运维,虚拟化云计算,数据库,网络安全等各方面问题,
centos 使普通用户可以修改密码,但不能修改root密码#  visudo此命令编辑修改/etc/sudoers配置文件,以Oracle账号为例。oracle   ALL=(ALL)       NOPASSWD:/usr/bin/passwd [a-zA-Z]*,!/usr/bin/passwd root
Centos6/RHEL6 去掉顽固进程 nfsiod主机系统最开始使用过NFS或是装过NFS软件后,默认开机运行过,现在要求把NFS软件去除掉,不再使用,但是发现一个顽固进程nfsiod,NFS服务停掉,软件删除后,还是一样在。这时主机系统不能重启,所以只能想办法了,经过多次测试,发现是与内核加载的模块有关。卸载掉对应NFS模块就可以了。[root@tomcat-weblogic ~]# mount -t nfs 192.168.137.13:/mnt /opt[root@tomcat-weblogic ~]# [root@tomcat-weblogic ~]# ps aux |grep nfsroot      1774  0.0  0.0      0     0 ?        S    16:08   0:00 [nfsd4]root      1775  0.0  0.0      0     0 ?        S    16:08   0:00 [nfsd4_callbacks]root      1776  0.0  0.0      0     0 ?  &nb...
Comodo Internet Security 2020 v12.2.2.7036 RC is now availableCIS下载地址注册码  29e77356-4fdf-4ee5-8774-ae8b3b2def14可以先安装 cis12.1 再升级到最新版本v12.2https://178.255.86.194/cis/download/installs/7060/xml_binaries/cis/cis_setup_x64.msiwget https://cdn.download.comodo.com/cis/download/installs/7050/xml_binaries/cis/cis_setup_x64.msi 1002  wget https://cdn.download.comodo.com/cis/download/installs/7040/xml_binaries/cis/cis_setup_x64.msi 1003  wget https://cdn.download.comodo.com/cis/download/installs/7060/xml_binaries/cis/cis_setup_x64.msi  https://cdn.download.comodo.com/cis/download/installs/7020/xml_binaries/cis/cis_setup_x64.msi   http://178.255.86.194/cis/download/installs/7060/web/cispremium_installer.exe   https://cdn.download.comodo.com/cis/download/installs/7040/standalone/cispremium_installer.exe https://forums.comodo.com/beta-corner-cis/author-topic-comodo-internet-security-2020-v12227036-rc-is-now-av...
ESET internet security或ESET Smart security 网络安全软件不支持windows Server 系统,如果需要安装,需要将EIS或ESS软件的exe安装包中提示MSI软件。1,先下载好EIS或是ESS最新exe软件包。我这里以EIS_v13.0.20.0.exe版本为例。在系统中,打开安装软件,按提示运行,直接提示软件不支持此版本系统,这里软件窗口不要关掉,转到 C:\Users\Administrator\AppData\Local\Temp\1\eset.temp ,找到对应目录中,会有一个 ehs_nt64.msi 软件包。用MSI Studio 这个软件,打开MSI安装包,将Property里的PackageFeatures行,数值改为2056,也可以修改成0.就可以安装在windows server系统了。2,然后按提示安装软件,到最后会有报错,可以忽略掉,类似报错如下:错误 1406。无法将键值 ProductBase 写入主键 \Software\ESET\ESET Security\CurrentVersion\Info。 系统错误 。 请检查您是否有足够的权限访问该主键,或者请与您的技术支持人员联系。3,安全软件安装完后,打开ESET界面,发现 不管怎么填写软件密钥,都不能注册成功。查看 其中 "帮助和支持 " 时,要么程序会报错,要不就是 "帮助和支持 " 中的最后一项,显示 不正常  “关于product” 。这...
一,文件被删除解决方法。netsh winsock reset,这个命令是修复WINSOCK2,可是你把WINSOCK和WINSOCK2删除了,修复肯定无效,所以要重新安装Internet 协议。1:删除已损坏的注册表项1. 单击“开始”,然后单击“运行”。2. 在“打开”框中,键入 regedit,然后单击“确定”。3. 在注册表编辑器中,找到下列项,右键单击各项,然后单击“删除”:HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\WinsockHKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Winsock24. 在系统提示您确认删除时,单击“是”。步骤 2:安装 TCP/IP1. 右键单击网络连接,然后单击“属性”。2. 单击“安装”。3. 单击“协议”,然后单击“添加”。4. 单击“从磁盘安装”。5. 键入 C:\Windows\inf,然后单击“确定”。6. 在可用协议列表中,单击“Internet 协议(TCP/IP)”,然后单击“确定”。7. 重新启动计算机。二,winsock 相关注册表被删除。如果您可以确定您之前删除是以下两个键值:HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Winsock HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Winsock2 我们不妨重新导入无损的键值来重建此服务================...
有个CIS软件的MSI安装包,安装时没有提示安装目录,想修改成别的目录位置,发出来给大家参考。Filename: "{app}/msiexec.exe";Parameters: "/i""{app}/ArcGIS/setup.msi""/qb REBOOT=SUPPRESS INSTALLDIR=""{app}/ArcGIS/""";安装测试了一下@echo offstart "" "CIS_2020.msi" INSTALLDIR="D:\Program Files\CIS" /quiet /passive /norestartpause软件包会自行安装到对应目录。 
附件是emcli工具软件Downloading and Deploying EM CLIThis chapter discusses the following Enterprise Manager Command Line Interface (EM CLI) topics:EM CLI InstallationDownloading and Deploying the EM CLI ClientGetting Started with EM CLISecurity and AuthenticationFormat Option Availability for Output Data Verbs2.1 EM CLI InstallationEM CLI provides two installable kits:EM CLI StandardThis kit supports the Standard mode only.EM CLI with Scripting modeThis kit supports all three modes, but only Interactive and Scripting modes enable you to provide Jython-based scripts.EM CLI consists of two components used to access the Enterprise Manager framework functionality:EM CLI clientThe EM CLI client is a command-line program (Sun Java JRE-based) that sends EM CLI verbs to a specific Oracle Management Service (OMS). In some respects, the EM CLI client functions as a command-line equivalent of an Enterprise Manager Cloud Control console. You can download the EM CLI client on any system within your...
oracle查看与删除oem企业管理器Web管理中自动备份任务调度job 1.在oracle oem中可以执行自动备份的job,注意,其不在dba_jobs,dba_scheduler_jobs中2.查看oem中的jobselect a.job_name, b.execution_hours, b.execution_minutes  from sysman.mgmt_job a, sysman.mgmt_job_schedule bwhere a.schedule_id = b.schedule_id   and a.job_type = 'Backup';3.删除oem中的job,注意必需先DELETE_ALL_EXECUTIONS,而后STOP_ALL_EXECUTIONS,最后DELETE_JOBDECLAREBEGIN  MGMT_JOBS.DELETE_ALL_EXECUTIONS(P_JOB_NAME => 'BACKUP_LABAPROD_000022', P_JOB_OWNER => 'SYS');  MGMT_JOBS.STOP_ALL_EXECUTIONS(P_JOB_NAME => 'BACKUP_LABAPROD_000022', P_JOB_OWNER => 'SYS');  MGMT_JOBS.DELETE_JOB(P_JOB_NAME => 'BACKUP_LABAPROD_000022', P_JOB_OWNER => 'SYS');END;
oracle 数据库主机账号修改密码后,关于EM企业管理器中的主机 首选身份证明,密码也需要变更,不然在EM中的 可用性,调度备份,就会不能正常使用了。需要修改,就比较麻烦了。如果主机没法使用EM后,就只有使用EM CLI命令行来修改了。先要安装EM Cli 工具。可以使用下面命令查看 EM所登陆的rman 备份任务SELECT a.job_name, b.execution_hours, b.execution_minutes  FROM sysman.mgmt_job a, sysman.mgmt_job_schedule b WHERE a.schedule_id = b.schedule_id AND a.job_type = 'Backup';附件是emcli工具软件SettingPreferred Credentials UsingEM CLIWhen you provide the agent credentials, you can choose to enter the preferred credentials registered with the Enterprise Manager system.However, ensure that the credentials were registered using EM CLI.Toregister the credentials as preferred credentials for one host at a time, run the following command on the host where the Management Agent is running:emcli set_credential -target_type=host -target_name="<host_name>" -credential_set=OHCreds -column="OH...
proxmox 6.1 配置集群与ceph存储注意事项。先将hostname加入各个主机,echo "192.168.0.181 pve1" > /etc/hostsecho "192.168.0.182 pve2" > /etc/hostsecho "192.168.0.183 pve3" > /etc/hosts注意需要NTP,用来同步时间。apt-get install ntp -y一定要取消订阅sed -i.bak "s/data.status !== 'Active'/false/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.serviceecho "deb http://download.proxmox.com/debian/pve buster pve-no-subscription" > /etc/apt/sources.list.d/pve-enterprise.list添加ceph源信息wget -q -O- 'https://download.ceph.com/keys/release.asc' |  apt-key add -echo "deb http://mirrors.163.com/ceph/debian-nautilus/ stretch main" > /etc/apt/sources.list.d/ceph.list一,到webui界面中创建集群,然后将三个主机都添加到集群中。二,将存储网络使用单独网卡,三台主机配置好网卡信息 10.10.100.0/24 单独网段,使得 pveceph install --version nautilus 在各个主机上安装好ceph nautilus版本软件...
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