Memory slots on CentOS or Linux in lshw

Install lshw yum install lshw lshw -class memory View [root@hydra ~]# lshw -class memory *-firmware description:…

AMD Opteron 6300 Tune BIOS on KVM Virtualization

2.2 BIOS Configuration Summary Load BIOS defaults. Set the date and time. I am going to…

kernel-rt centos 7 install

cd /etc/yum.repos.d/ cul -O http://linuxsoft.cern.ch/cern/centos/7/rt/CentOS-RT.repo yum groupinstall RT https://linux.web.cern.ch/rt/ https://access.redhat.com/security/cve/CVE-2019-14835

Zabbix 4.4 : Add Monitoring Target(CentOS) Zabbix Agent

Add Monitoring Target Host. Add a CentOS 7 server as an example on here. [1] on…

insert ssh key arista

Insert SSH key https://eos.arista.com/ssh-login-without-password/ username admin sshkey ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDRMuHypO2MFBTnZo3D admin@galaxydata.ru where ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDRMuHypO2MFBTnZo3D your inster ssh…

route,bgp,info Failed to open TCP connection: No route to host

Периодически отключаются BGP сессии. 11:09:33 route,bgp,info Failed to open TCP connection: No route to host 11:09:33…

Как сгенерировать запрос на SSL-сертификат для ОС Windows

Рассмотрим создание CSR запроса на примере 2012 Standard. Оно состоит из нескольких простых шагов: 1) Перейдите…

Synchronized network BGP Mikrotik

Please add route list: IPv4 /ip route add distance=244 dst-address=194.160.215.0/24 type=unreachable /routing bgp network add network=194.160.215.0/24…

MTU Change All Port Mikrotik

/interface print where type=ether /interface print where type=ether Flags: D - dynamic, X - disabled, R…

kernel: possible SYN flooding on port 22. Sending cookies. CentOS 6, 7

Error tail -n100 /var/log/messages Apr 9 14:51:24 62371 auditd[5044]: Audit daemon rotating log files Apr 9…