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Featured Linux Questions

  • Shared logical volume between active-active HA cluster

    What is the best way to share a logical SAN volume between 2 VMs, running late. Linux CentOS, in an active-active VMware HA cluster, which allows for simultaneous read/write & caching?

    Risto19765 pointsBadges:
  • When I minimize an application in Red Hat Linux, it goes missing.

    When I minimize an application I can't find it. Where does it go or how do I fix this setting?

    Dharlan25 pointsBadges:
  • Logging all commands in Linux

    Hi, Does anyone know how to log all of the commands in Linux? I don't want to use snoopy. What alternatives are out there? Thank you.

    ITKE1,052,100 pointsBadges:
  • Process of Linux installation

    What's the process of installing Linux?

    anshulvj5 pointsBadges:
  • Simplified commands to add a Linux server to a domain

    I need to add server to domain, create admin group and place AD security groups into the newly created admin group. Is there a consolidated or simplified way to do so?

    chappy58585 pointsBadges:
  • How to fix a Kernel secure fail Samsung core prime

    How to fix a Kernel secure fail Samsung core prime because my phone turns on and tells me that the secure fail:kernel and custom binary blocked by FRP.

    ashley180835 pointsBadges:
  • Block SSH Authentication on Linux

    Scenario: We have multiple user in production server like Oracle, DatabaseUser.Concern: Because of a security concern, we don't want Oracle & DatabaseUser User to get SSH authentication. Who can we stop only specific user from SSH authentication? Is there any configuration change I need to make...

    NitinIND200 pointsBadges:
  • Linux Root User Security

    Overview:- In my environment, we have given sudo access to multiple user . Users having admin/Sudo right switching to root user & then executing there commands. Concern: Most of users are switching to root user with below command.    # Sudo su –     &    Then become root user. Now...

    NitinIND200 pointsBadges:
  • Lock an OUTQ

    How can you allocate an OUTQ for a user than deallocate.

    UARTJ145 pointsBadges:
  • Error message when installing VMware on Ubuntu: Kernel headers not found

    I recently added VMware to my Ubuntu system but when I try to open it, I keep getting this odd error message: Kernel headers were not found. Anyone seen this before? What can I do?

    ITKE1,052,100 pointsBadges:
  • How should we clean up /boot partition?

    Our department has roughly 200 MB for our /boot partition. But when we try to update Kernel, we keep getting this error message saying the /boot is full. How do we clean this up? Also, should we back up the older kernels too?

    ITKE1,052,100 pointsBadges:
  • SWAP continues to be in use when I have free RAM

    I noticed that my system keeps using SWAP even though I have over 4 GB of free RAM. I thought SWAP is just for storage precautions when the RAM is completely full. Why does it keep doing this?

    ITKE1,052,100 pointsBadges:
  • Getting error message when burning Ubuntu to CD

    I just recently burned Ubuntu to one of my CDs. However, after I tried booting it up, I keep getting this message: This kernel requires the following features not present on the CPU: pae Unable to boot - please use a kernel appropriate for your CPU. Has anyone seen this before? If so, what can I do?

    ITKE1,052,100 pointsBadges:
  • Segmentation fault – ifconfig

    [root@localhost yum.repos.d]# /sbin/ifconfig -a Segmentation fault (core dumped) Extract from /var/log/messagesMay 6 16:06:58 localhosts kernel: ifconfig[10054]: segfault at 8 ip 0000003738a0b453 sp 00007fffffd6a080 error 4 in ld- .12.so[3738a00000+20000] May 6 16:06:58 localhosts abrt[10055]: Not...

    McCrutch5 pointsBadges:
  • Compile a Kernel in Linux

    How do you compile a Kernel in Linux?

    krishna1234510 pointsBadges:
  • Windows XP under loop

    One of my computer, there r 4 OS loaded for various reasons. Two Linux distro and XP and Windows 7. After getting boot sector virus affected and system file problem on XP. I tried to reinstall xp by setup disk. It accepts the 1st phase, but when it restarts, again it starts from scratch. i.e. XP...

    Subhendu Sen93,560 pointsBadges:
  • How to configure DNS server & client in Linux RedHat

    How can I configure a DNS server & client in Linux RedHat?

    Sujeet6465 pointsBadges:
  • Which Linux client is best for full encryption on a limited platform?

    Okay, I realize "full encryption" might be interpreted in different ways – and my intention is not to start a Linux flame war – but I was hoping to hear some opinions on which Linux clients perform best on limited platforms with full-time data encryption. Two questions: If 256-bit encryption of...

    BrentSheets6,940 pointsBadges:
  • Monitoring external URLs using Nagios

    I want to monitor 100+ external Web URLs in Nagios. I have configured Nagios to monitor Linux and Windows host. How do I set it up to monitor the external URLs?

    Linux - Ask the Expert270 pointsBadges:
  • Linux operating system?

    Does Linux KERNEL use sort? Which one? Where is it in the code? Which processor use it?

    Bipin5 pointsBadges:

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