How to Remove Multiple Files at once on Linux
Deleting (or removing) a file in Linux from the command line can be done using the rm command. It allows you to delete more than one files at once. Also, …
Read MoreAuthor: Magesh Maruthamuthu
How to Run Multiple Commands at once in Linux
As a Linux administrator, you may know how useful the command line can be to work with various activity such as installing the application, installing the system patch, and restarting …
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How to Check Supported TLS and SSL Ciphers (version) on Linux
OpenSSL is a toolkit and a cryptography library that support the Secure Sockets Layer (SSL)) and Transport Layer Security (TLS) protocol on Linux. It provides cryptographic protocols to varies applications …
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How to configure a SMTP relay host in Sendmail
By default, the sendmail runs locally on localhost.localdomain and tries to send the mail with the [email protected] to the remote smtp server, which would get rejected as the localhost.localdomain will …
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How to check if an RHEL system is vulnerable to a CVE
Most companies scan infrastructure devices for vulnerability every quarter, but the duration may vary depending on the company’s ITSM policy. After the security scan, if the security team finds vulnerabilities …
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How to Capture top command output to a file
Linux top command is widely used by Linux system administrators in real time to check system resources utilization such as CPU, disk I/O, system load average, running processes and memory …
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How to find the CPU information in HP-UX
Finding hardware information on HPUX is always easy when you use the right commands. In this guide, we will show you how to check the CPU details of the server …
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How to Check if Hardware RAID is Configured on Linux Server
Hardware RAID is configured on the physical servers, which use a dedicated RAID controller to manage the raid configuration. The RAID controller manages and performs all RAID-related tasks independently of …
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How to Repair Corrupted root filesystem in RHEL 8
Sometimes the Linux system crashes due to corruption of the root filesystem, in which case you need to boot the system into recovery mode and then repair your file system. …
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How to Recover Corrupted GRUB 2 Bootloader in RHEL 8
You may need to reinstall the GRUB 2 boot loader when the system does not boot into the GRUB menu. This may be due to the installation of security patches …
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