Linux Interview Questions and Answer – Part 11
It is common for source packages to be downloaded to which directory? /src /usr/src (Ans) /home /usr/bin Using lsof which character is used to filter by host…
Linux Interview Questions and Answer – Part 10
How can we use lsof to display open ports? lsof -i lsof -w lsof -u sudo lsof -i (Ans) On SUSE which file stores the static hostname…
List of Free Tools for Tabbed Multiple Linux SSH / Putty sessions
PuTTY Connection Manager PuTTY Connection Manager was mentioned in the 12 PuTTY add-ons. One of the major missing features in PuTTY is the ability to display multiple…
Linux Interview Questions and Answer – Part 9
What is a tunnel and how you can bypass a http proxy? What is the difference between IDS and IPS? What shortcuts do you use on a…
Linux Interview Questions and Answer – Part 8
What do the following commands do and how would you use them? tee awk tr cut tac curl wget watch head tail less cat touch sar netstat…
Linux Interview Questions and Answer – Part 7
What is the name and the UID of the administrator user? How to list all files, including hidden ones, in a directory? What is the Unix/Linux command…
SysOps Interview Questions and Answer – Part 1
What is your favorite editor? What is RAID? What is RAID0, RAID1, RAID5, RAID10? Describe the general file system hierarchy of a Linux system. Describe what each…
Linux Interview Questions and Answer – Part 6
script/command to delete last word from every line in a file 2.script/command to find the files with more than 1gb size What is Swap Space? What is…
Linux Interview Questions and Answer – Part 5
How to check the logs? Difference between Journalctl & tail command? What does the subscription-manager do? How to archive a file? What is umask? How to kill…
Linux Interview Questions and Answer – Part 4
What is MAC address? can we change the physical address? How to check system uptime? How to check memory information? What is SWAP? What is the exact…
Linux Interview Questions and Answer – Part 3
What is SetGID, SetUID & Stickybit? Location where all the user information are stored? File where user password are stored? What is the default permission of a…
Linux Interview Questions and Answer – Part 2
What is Linux? What are Linux OS Flavors? Difference between Debian & RPM based OS? What is Kernel? Explain the boot process of Linux OS? How is…
Configuring NFS to access the files from remote Linux machine as a mount point
I have a 2Tb of storage on a linux box, and i want to use that storage as a mount point from another machine. As a root…
How To scp, ssh and rsync without prompting for password using OpenSSH
Verify that local-host and remote-host is running openSSH ssh -V OpenSSH_4.3p2, OpenSSL 0.9.8b 04 May 2006 Lets say you want to copy between two hosts host_src and…
Linux User Management
ac Print statistics about users’ connect time. accton Turn on accounting of processes. To turn it on type “accton /var/log/pacct”. adduser Ex: adduser mark – Effect: Adds…
Basic RPM Tutorials
Basic RPM Tutorials Introduction: RPM is the RPM Package Manager. It is an open packaging system available for anyone to use. It allows users to take source code for new…
Good Links about Rsync
scmjobs created the topic: Good Links about Rsync samba.anu.edu.au/rsync/nt.html troy.jdmz.net/rsync/index.html samba.anu.edu.au/ftp/rsync/rsyncd.conf.html samba.anu.edu.au/rsync/features.html samba.anu.edu.au/rsync/examples.html en.wikipedia.org/wiki/Rsync Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert…
Converting Red Hat Enterprise Linux booting from CLI to GUI
rajeshkumar created the topic: Converting Red Hat Enterprise Linux booting from CLI to GUI I just found very good links where default Command mode can be converted…
Ignore existing files or update only newer files with rsync
rajeshkumar created the topic: Ignore existing files or update only newer files with rsync Ignore existing files or update only newer files with rsynca Copying from local…
Mount: cannot mount block device //172.19.165.205/d read-only
rajeshkumar created the topic: mount: cannot mount block device //172.19.165.205/d read-only Issues [code language=”css”] root@rkumar11-usa:~/data/share# sudo mount -t cifs //172.19.165.205/d /home/rkumar11/data/share –verbose -o user=rkumar11 mount: block device…
How to add new package to apt-get
rajeshkumar created the topic: How to add new package to apt-get wget -q -O – pkg.jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add – sudo sh -c ‘echo deb pkg.jenkins-ci.org/debian…
Error: *** ln doesn’t support –relative ***
rajeshkumar created the topic: configure: error: *** ln doesn’t support –relative *** [code language=”css”] Error while doing ./configure during systemd-217 istall in RHEL 6.5 configure: error: ***…
Disable IPv6 and Enable IPv4 in Red Hat Linux
rajeshkumar created the topic: Disable IPv6 and Enable IPv4 in Red Hat Linux Disable IPv6 and Enable IPv4 in Red Hat Linux check “disable_ipv6″ file to check…
Answer some of Linux admin questions…
scmuser created the topic: Answer some of Linux admin questions… 1. How to send an email | check email | reply email attachment using command line?? 2….
How to Limit System Resources Using cgroups on CentOS 6
rajeshkumar created the topic: How to Limit System Resources Using cgroups on CentOS 6 How to Limit System Resources Using cgroups on CentOS 6? Answer – Control…
Automatic stop and restart the Cloud server
pasupuleti2 created the topic: Automatic stop and restart the Cloud server How to scheduling an automatic stop and restart the Cloud server every Saturday. We are using…
How to Configure Web Proxy on CentOS | Tutorials | scmGalaxy
If your internet connection is behind a web proxy, you need to configure the following on your CentOS server: System-wide proxy settings – add the following lines…