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M.

Mdadm Raid Command Cheat-sheet in Linux

February 1, 2022 15:39April 4, 2022By asrarIn Linux0 Comments801 Views

This is my mdadm raid command chet-sheet in linux.Mdadm is a Linux utility to manage and monitor RAID software handled by linux kernel if you do not have or do not use any raid card. Check mdadm raid status from…

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P.

Patch Linux Vulnerability CVE 2021-4034

January 30, 2022 01:12April 2, 2022By asrarIn Linux0 Comments660 Views

This Linux vulnerability related to local privilege escalation vulnerability was found on polkit’s pkexec utility. The pkexec application is a setuid tool designed to allow unprivileged users to run commands as privileged users according predefined policies. The current version of…

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C.

Ceph pg Inconsistencie

December 20, 2021 16:36December 21, 2021By asrarIn Linux0 Comments519 Views

Based on Ceph health status in my cluster, we see there is one pg with inconsistencie issue; #ceph -s We need to find the related pgs and perform deep-scrup to this spesific pg in order to remove this error.# ceph…

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A.

Apache Log4j vulnerability (CVE-2021-44228)

December 12, 2021 01:34December 12, 2021By asrarIn Linux0 Comments820 Views

a remote code execution (RCE) vulnerability in Apache log4j 2 was identified being exploited in the wild. Public proof of concept (PoC) code was released and subsequent investigation revealed that exploitation was incredibly easy to perform. By submitting a specially crafted request to a…

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P.

Proxmox RRDC update error

November 19, 2021 01:22December 25, 2021By asrarIn Linux0 Comments847 Views

Have an issue with one of my customer Proxmox RRDC update error in thecluster with error below; This is caused by drifting time on the host. Somehow the time use hwclock with wrong date. To resolve the issue, need to…

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