Category: Linux

Problem How to extend the size of the physical volume (PV) in Linux if disk space is available? It is required to avoid the creation of a new physical volume for increasing the size of the volume group. # df -HT Filesystem Type Size Used Avail …

Problem How to get a list of enabled entries in Linux hosts file? Sometimes, as system administrators, you need to check the list of enabled entries in a Linux system’s /etc/hosts file. Generally, we check the list of enabled host entries by checking the /etc/hosts file …

NESSUS tool found below vulnerability in a Linux server. 70658 – SSH Server Weak and CBC Mode Ciphers Enabled   Synopsis The SSH server is configured to use Cipher Block Chaining.   Description The SSH server is configured to support Cipher Block Chaining (CBC) encryption. This may …

NESSUS tool found below vulnerability in a Linux server. 71049 – SSH Weak MAC Algorithms Enabled   Synopsis The remote SSH server is configured to allow MD5 and 96-bit MAC algorithms.   Description The remote SSH server is configured to allow either MD5 or 96-bit MAC algorithms, …

NESSUS tool found below vulnerability on the scan of a Linux NTP server. 97861 – Network Time Protocol (NTP) Mode 6 Scanner   Synopsis The remote NTP server responds to mode 6 queries.   Description The remote NTP server responds to mode 6 queries. Devices that respond …

NESSUS tool found below vulnerability on the scan of a server. 42873 – SSL Medium Strength Cipher Suites Supported   Synopsis The remote service supports the use of medium strength SSL ciphers.   Description The remote host supports the use of SSL ciphers that offer medium strength …

Problem I have a LUN of 2GB which is exported to one of my Red Hat Enterprise Linux (RHEL) servers. This volume is being used on the server and mounted on /rcptest. I need to increase this virtual volume from 2GB to 10GB on the storage …