am a new Linux sysadmin. How do I remotely shutdown or reboot the server from the CLI?
I have a three server replicated volume setup (scalable network filesystem for cloud and VMs). I need to add one more server. How do I add a new a new brick to an existing replicated volume on a Debian or Ubuntu/CentOS Linux?
have setup total four servers in cloud based data center. They run either CentOS or Ubuntu Linux. I need to make sure clustered file system performance is reasonable as my servers shared with other users. How do I check the speed between the two Linux servers using command line options for private LAN/VLAN?
I run over 10+ LXD VMs powered by CentOS Linux 7 and Debian/Ubuntu Linux. How do I upgrade all VMs automatically or on demand using Ansible tool?
need to specific multiple IP address in iptables using Linux script. How do I create a rule that uses multiple source or destination IP addresses ?
am a new CentOS Linux 7 user who runs it on my Laptop. I liked the operating system. Is there is a way to run latest/stable Linux kernel on a CentOS Linux version 7?
very serious security problem has been found in the Linux kernel called “The Stack Clash.” It can be exploited by attackers to corrupt memory and execute arbitrary code. An attacker could leverage this with another vulnerability to execute arbitrary code and gain administrative/root account privileges. How do I fix this problem on Linux?