This course is an essential Linux course designed and polished by big data architect of Cheetah Mobile according to the operation and maintenance of big data platform of the company. Through the study of this course, the novice big data can take fewer detours and quickly master Linux commands and Shell programming.
The problem encountered when writing a scp push file script # cat test.shalloff upload binbinpool bashIP = `head-1 hosts.txt | tail-1 | awk-F "'{print $1}'`
The customer requires the project machine to enable BitLocker encryption, and Win10 by default, the system disk BitLocker cannot be enabled (as shown in figure 1.1), and the local group policy must be changed. Figure 1.1 cannot start the BitLocker function of the system disk by default. 1. Change
What is a virtual link? Virtual connection refers to a logical connection channel established between two ABR through a non-backbone region (transition region-Transit Area), which can be understood as a point-to-point connection between two ABR. "logical channel" refers to two AB
1. Whether the relevant account has been authorized to connect 2, whether the server firewall or third-party firewall software opens port 3389 3, and whether the service confirms that Terminal Service has been started normally. 4. Open the registry and check whether the default port 3389 of RDP has been changed.
First check the system version [root@localhost ~] # cat / etc/issueCentOS release 6.5 (Final) Kernel\ r on an\ m. If the desktop is not installed, install it first.
* * deployment, download and installation in GNS3 environment * * GNS3 is a network virtual software with a graphical interface that can run on multiple platforms (including Windows, Linux, and MacOS, etc.). Cisco Network device Administrator
Fengge Linux system Oracle 12cR2 RAC Cluster installation and maintenance Management (12.2) Project includes content: Oracle Database 12cR2 (one of the project practices): installing Oracle12.2Oracle Database on Windows
1. According to the topology diagram, configure the VC module, using VC1 (primary) and VC2 (standby), there are two lines connected to the uplink two EOR switches, and two lines are used as link bundles. two。 Click the management Console3 of the VC module. The management interface of VCM appears and enter the user name /
Environment: 192.168.205.7: as Chrony, DNS and YUM Source server (self-built yum source for faster installation) 192.168.205.147: as DataBas
The preface of this article comes from part of the work records of the author during his work on the cloud platform of SUNING Technology Group. I first go to public, hoping to help colleagues with similar problems. 1. The problem description / var/log/sa directory is part of the sysstat installation package. The problem target machine is missing
Https://blog.51cto.com/13969817 if the enterprise carries on the digital transformation, uses Office 365 as the enterprise internal office, collaboration and document management platform, when multiple users report problems with Outlook, do
Objective: to learn to use windows system to build ftp client and related commands. Environment: windows 7 scenario: multiple devices need to back up their configuration files, set to backup automatically tomorrow, download to the server as a FTP service, and save it on a date. You need to use FTP here
The 1.Ceph cluster environment uses three virtual machines, including one admin node, and three virtual machines simultaneously assume three monitor nodes and three osd nodes. The operating system is CentOS Minimal 7 download address: http://124.2
1. Open C:\ Users\ ydh\ AppData\ Roaming\ Microsoft\ Network\ Connections\ Pbk\ rasphone.pbk to modify: IpPrioritizeRemo
Environment: xd 7.15 cu3;vda 7.6 cu5;upm policy based on domain policy operating system: Windows Server 2012 R2X Win7 Professional Edition 32-bit (patch has been updated to the latest, upgraded to ie11) failure phenomenon:
1. Sshd defaults to disallowing empty password login setting PermitEmptyPasswords yes # allowing empty password login systemctl restart sshd 2, deleting user password passwd-d root 3.
Kubelet is an important component of kubernetes. It is necessary to manage the pod container and execute interactive commands (such as exec, run, logs, etc.). Kubelet runs on each worker node and is responsible for receiving
Original articles, welcome to reprint. Reprint please indicate: reproduced from IT Story Association, thank you! Original link address: "Advanced article" docker micro-service dockerization (18) this time into the deployment of micro-services, the code is also basically passed. If compared to a song, the prelude has already
DirPath = raw_input ("Input your dir path:\ n") write = raw_input ("What do you want to write? Please in"