SSH Upgrade Version--8.2p1

preparation in advance Execute yum update openssh to upgrade first. The official upgrade is okay anyway.If you have previously manually compiled an upgrade of openssh, test yourself for changes to the default profile path.) (Unified openssh version 7.4p1 is prepared here before Unified Compile Installation is upgraded to openssh 8.2p1) [root@n ...

Posted by CleoK on Fri, 22 May 2020 21:10:07 -0700

Ansible16: Playbook advanced usage

Catalog Local execution Task delegation Task pause Scroll execution Only once Setting environment variables interactive prompt Local execution If you want to run a specific task locally on the control host, you can use the local action statement. Suppose that the remote host we need to configure has jus ...

Posted by roonnyy on Mon, 20 Apr 2020 00:57:21 -0700

Use RSA private key to generate public key?

I really don't understand this: Basis: http : //www.madboa.com/geek/openssl/#key-rsa , you can generate a public key from the private key. openssl genrsa -out mykey.pem 1024 openssl rsa -in mykey.pem -pubout > mykey.pub My initial idea was that they were generated together. Does the RSA private key contain the sum? Or public key? ...

Posted by callmecheez on Mon, 24 Feb 2020 04:01:57 -0800

samba configuration shared user home directory

1. Install samba first sudo apt-get update sudo apt-get install samba openssh-server 2. Edit Samba configuration file sudo cp /etc/samba/smb.conf /etc/samba/smb.conf.bak sudo vi /etc/samba/smb.conf Find the [homes] item, which is commented out by default, cancel the comment, and then modify the specific content as follows: #================== ...

Posted by digitalhuman on Sun, 12 Jan 2020 09:30:35 -0800

ssh command; key authentication; service management in linux

1.openssh When the openssh service is enabled in the host, the remote connection interface is opened to the public. The service end of openssh service is open to the public, and the remote connection is open to the public sshd ා server software, open an interface for others to connect through other ways 2. How to connect s ...

Posted by ldmccla on Thu, 26 Dec 2019 10:47:17 -0800

Talk about SSH Remote management configuration in CenOS 7

In the CenOS 7 system, openssh server is provided by openssh, openssh server and other software packages (installed by default), and sshd has been added as a standard system service. You can execute systemctl status sshd to view the status of the service. As long as you have a legal login shell, you can log in to the operating system remotely ...

Posted by youwh on Sun, 03 Nov 2019 05:31:46 -0800

Record a Centos 7.5 upgrade SpenSSH8.0p1

Previous Cause: The server was scanned for a SpenSSH vulnerability, so an upgraded version was needed to fix the vulnerability. Server version: # cat /etc/redhat-release CentOS Linux release 7.5.1804 (Core) Pre-upgrade ssh version: # ssh -V OpenSSH_7.4p1, OpenSSL 1.0.2k-fips 26 Jan 2017 Upgraded ssh version: # ssh -V OpenSSH_8.0p1, OpenSSL 1.0 ...

Posted by student101 on Sat, 05 Oct 2019 23:16:10 -0700

Big Data Tutorial (2.13): Keeping alived + nginx (multi-master and multi-live) High Availability Cluster Building Tutorial

In the previous chapter, the blogger introduced the architecture of the mainalived + nginx (backup) high-availability system for large-scale Internet projects. I believe you should read the blogger's article and have a certain understanding of the mainalived / nginx technology. In this section, the blogger will share the related technology and ...

Posted by dk44 on Thu, 16 May 2019 02:33:09 -0700

Eight main uses of killall commands to terminate processes on Linux

Linux's command line provides many commands to kill a process.For example, you can pass a PID to kill a process; the pkill command uses a regular expression as input, so processes matching that pattern are killed. But there is also a command called killall, which by default matches the parameter name exactly and then kills the matching proce ...

Posted by RamboJustRambo on Tue, 07 May 2019 16:00:39 -0700

/var/empty/ssdh must be owned by root and not group or world-writable

Problem Description:After adding Oracle users, the development feedback can connect PING to the host and Telnet to the corresponding port. Client screenshots are as follows: Problem analysis:Maybe in the process of multi-user operation, or in the process of creating users, the operation errors of time privilege which set the membership gro ...

Posted by jstngk on Wed, 13 Feb 2019 01:00:18 -0800