Tags » Sysctl

kernel:NMI watchdog: BUG: soft lockup - CPU#0 stuck for 21s!

  • Consulting the files /etc/grub.conf and /boot/grub/grub.conf, in RHEL 6 and below, or /etc/sysconfig/grub in RHEL 7, it should be verified if the console output is redirected to a console, i.e.
  • 676 more words
Linux

ansible: with_items key and value

- name: Tuning sysctl
  sysctl:
    name: "{{ item.key }}"
    value: "{{ item.value }}"
    state: present
  with_items:
    - { key: net.core.somaxconn, value: 65536 }

Fix Slow SFTP/SCP File Upload Rate and Stalling caused by TCP SACK

In brief, sometimes a conflict occurs between some firewalls and the TCP SACK. In my case, the upload was severely affected and reached upload speeds of a few kilobytes over a LAN! 84 more words

Ubuntu