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Featured Linux Questions

  • 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.

    UARTJ120 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?

    ITKE413,315 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?

    ITKE413,315 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?

    ITKE413,315 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?

    ITKE413,315 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 Sen51,660 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...

    BrentSheets6,925 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:
  • Ubuntu 8.10 command line

    I'm a beginner with Linux. I have just started using Ubuntu 8.10. How can I learn more about using the command line and it's commands?

    Van helsing60 pointsBadges:
  • Oracle installation and migration between versions in Linux

    Hi Experts, I need some useful doc links or step by step procedure to perform Oracle installation and migration in Linux environment. I surfed through the NET and could not find any good docs or PTF on this. As I'm new to explore this role, can any one provide me some useful related links?

    Inprise610 pointsBadges:
  • Learning to use Linux

    Hello all! I have been in the IT Industry for several years now and wanted to know the best locations online to get started working with Linux? I have limited UNIX knowledge such as creating / modifying user accounts and working with the print queue, but I would like to gain a strong foundation in...

    IFIXY2K50 pointsBadges:
  • Linux compiler vs interpreter

    What is the difference between compiler and interpreter?

    Linux - Ask the Expert270 pointsBadges:
  • Linux kernel upgrade

    How to upgrade kernel in Linux 4.?

    Linux45 pointsBadges:

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