Solved: How to clean /var/spool/squid logs on Redhat Satellite server ?
Today we will see how to clean the squid logs from redhat satellite server. It will help us to clean the logs in case its filling up the partition. I....
Tag: rhel
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How to solve kernel panic error : Kernel panic – not syncing: VFS: Unable to mount root fs on unknown-block(0,0)?
Today lets see a common error of OS corruption that i faced recently on a production server. You get below error and not able to boot the system. My system...
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Solved: Error: Unable to negotiate with — port 22: no matching host key type found. Their offer: ssh-dss ?
In this article, we will see a common error message and its resolution. I. Error Message ngeaix001 saket $ ssh Administrator@10.254.0.56 Unable to negotiate with 10.254.0.56 port 22: no matching...
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How to increase disk space on a virtual Linux server hosted on VSphere ?
Today we will see an interesting article to understand how to increase disk space on a Virtual Linux server which is hosted on vSphere. Lets have a look step by...
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RHEL or Centos Linux: Kdump generated manually however not able to find it on reboot ?
Today in this article we will see an interesting issue where you crash a server manually however the crash dump is not available on server post reboot. In my scenario...
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Understanding /etc/fstab file and its dump option. Is it of any significance ?
Today in this article, we will see the importance of dump option in /etc/fstab file and will understand if its of any importance. To understand this, lets first look at...
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How to analyze memory in kernel crash dump on linux ?
Today in this article, we will look how to analyze a core file generated after the system crash. The article is very useful to extract some of the basic information...
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Linux/AIX: How to grant sudo commands with options access to a user ?
We usually give sudo access via /etc/sudoers.conf file using visudo command. However sometimes we need to grant specific command access to users with limited options. In this case, it is...
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How to gzip a file to a seperate location in linux ?
Today in this post, we will look how to gzip a particular file and store it to an alternate location. Lets see how to gzip at current location and an...
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How to print all columns except first column in Linux bash shell ?
Today in this article, we will look at an interesting tip to print all columns of a file except first. Lets look the command stepwise to understand how it works....