Linux monitoring and troubleshooting

Email Alerts

Register now to receive news, tips and more, delivered to your inbox.
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy
  • Recovering a lost administration password on Ubuntu Server

    How do I recover my admin password or account on Ubuntu Server? If you are asking this question, this tip will help you create an admin account with access to sudo on Ubuntu Server. 

  • Access and repair an ext3 file system with the superblock

    A damaged ext3 file system is accessible and repairable, thanks to the data within either the superblock or the superblock's backup. 

  • Solving Linux server hangs stemming from kernel issues

    When Linux kernel issues cause functional machines to hang, determining the type of hang -- interruptible or non-interruptible -- is imperative to troubleshooting the situation. 

  • How to solve logical volume management issues

    Excluding certain Logical Volume Manager (LVM) devices from startup scans and the manual activation of logical volumes are two pesky logical volume management issues. Find out how to resolve them. 

  • Troubleshooting Logical Volume Manager boot problems

    If Logical Volume Manager (LVM) boots incorrectly, logical volumes are inaccessible and you can't manage server disk space. In this LVM how-to, we offer some simple steps to troubleshoot boot issues with LVM. 

  • How to fix master boot record partition table problems

    The master boot record partition table allows you to access information on your server. Sander van Vugt walks you through how to recover partition tables on your Linux server or desktop starting with the rescue CD, using gpart and fdisk. 

  • Five Linux commands you have (probably) never heard of

    Learn about five of the more rarely used Linux commands (logsave, diff3, pstree, nl and split) that are useful, with a description of each command's flags and options. These commands work well for file management, tracking, and output and process ana... 

  • Backing up the Linux master boot record

    The Linux master boot record (MBR) contains GRUB and the partition table, and to avoid crippling boot errors, it is a good idea to make a backup of it. Learn how to backup the MBR and how this effort can pay off when troubleshooting a Linux boot prob... 

  • Fixing Linux boot problems with GRUB

    If problems in the Linux boot process occur when GRUB is loaded find out how to figure out what went wrong using two options. You can re-install GRUB using grub-install and start your computer, or manually load GRUB through the GRUB command interface... 

  • How well do you know Linux commands and tools?

    How well do you know Linux? Network and systems administrators can test their understanding of Linux commands and configuration utilities with this quiz.