↓
 

Software Effect Enterprises, Inc

  • Home
  • Netmask Calculator
  • Products Page
    • Checkout
    • Transaction Results
    • Your Account
Home→Categories Linux 1 2 3 >>

Category Archives: Linux

Post navigation

1 2 3 >>

Set time format to 24 hours at shell prompt

Software Effect Enterprises, Inc Posted on September 5, 2023 by SEEISeptember 5, 2023

You type in date on your linx box and you get Tue Sep 5 5:08:49 PM CDT 2023 but you want it to read Tue Sep 5 17:08:49 CDT 2023 To make that happen execute localectl set-locale LC_TIME=”C.UTF-8″ Log off, … Continue reading →

Posted in Linux | Tagged 24, format, hour, linux, time

Throttle processor speed in Linux

Software Effect Enterprises, Inc Posted on August 28, 2023 by SEEIAugust 28, 2023

I have a system that runs in a environment that tends to be on the warm side. If the processor starts running at 3Ghz or higher, the processor starts some serious overheating. Applications I have running on this system do … Continue reading →

Posted in Fedora, Linux | Tagged cpu, fedora, frequency, linux, speed

imjournal: filecreatemode is not set

Software Effect Enterprises, Inc Posted on August 7, 2023 by SEEIAugust 7, 2023

You find the following line in your messages file  imjournal: filecreatemode is not set, using default 0644 This is not a critical error. To eliminate this message edit /etc/rsyslog.conf and find the line module(load=”imjournal” fileCreateMode=”644″ StateFile=”imjournal.state”) note it might be … Continue reading →

Posted in Fedora, Linux | Tagged filecreatemode, imjournal

nmap quick reference

Software Effect Enterprises, Inc Posted on June 4, 2023 by SEEIJune 4, 2023

Quick Network Scan nmap -sn 192.168.0.0/24 OS detection with verbosity (-O -v) nmap -O -v 192.168.0.0/24 OS detection with verbosity and version scan (-sV -O -v) nmap -sV -O -v 192.168.0.0/24 Rogue DHCP server discovery nmap –script broadcast-dhcp-discover -e bond0 … Continue reading →

Posted in Linux | Tagged nmap

ssh session time out / dropping

Software Effect Enterprises, Inc Posted on April 6, 2023 by SEEIApril 6, 2023

You ssh to some remote system (usually across the internet) step away from your keyboard for a few minutes, and the session gets dropped. The problem may be resolved by sending more keep alive packets You can fix this by … Continue reading →

Posted in Linux, ssh | Tagged ssh, timeout

Disable Redhat Graphical Boot

Software Effect Enterprises, Inc Posted on February 25, 2023 by SEEIApril 13, 2023

If you are dork like me and like to see what is going on when your linux system boots (rather than a swirling circle) Excute sed s/rhgb//g -i.backup /etc/default/grub grub2-mkconfig -o /boot/grub2/grub.cfg and reboot Tested on Rocky 8

Continue reading →
Posted in Linux, Rocky Linux

Remove CR / New Line on selected lines of a text file

Software Effect Enterprises, Inc Posted on January 23, 2023 by SEEIJanuary 23, 2023

I have a file like the following this thing that thing this stuff that stuff I want it to read this thing that thing this stuff that stuff To fix it cat file.txt | sed ‘N;s/\nthat/ that/g’

Continue reading →
Posted in Linux, sed | Tagged carrage return, carriage return, new line, sed

logwatch  Received disconnect from some.ip.add.ress port someport:11: : 1 Time

Software Effect Enterprises, Inc Posted on January 2, 2023 by SEEIJanuary 2, 2023

I have a fedora machine set up to backup configs and information from other servers via scp. In the daily log watch report I am getting tons of Received disconnect from some.ip.add.ress port someport:11: : 1 Time For some reason … Continue reading →

Posted in Centos, Fedora, Linux | Tagged disconnect, logwatch, received

Enable Timestamp in Bash History

Software Effect Enterprises, Inc Posted on November 23, 2022 by SEEINovember 23, 2022

Instead of: [fu@bar ~]$ history … 990 nmap 10.9.6.0/24 991 history 992 less ~/.bash_history 993 ls -ltra 994 less ~/.lesshst 995 cd .config/ 996 ls -ltra 997 exit 998 ssh webserver 999 exit 1000 history Do this: [fu@bar ~]$ export … Continue reading →

Posted in Fedora, Linux | Tagged bash, history, timestamp

crontab day of week vs day of month

Software Effect Enterprises, Inc Posted on July 4, 2021 by SEEIJuly 4, 2021

You want to set up a crontab where something happens every weekday morning, i.e. 8 am every Monday, Tuesday, Wednesday, Thursday, and Friday in January from the 10th to the 30th. You set up your crontab with the following 0 … Continue reading →

Posted in Linux | Tagged cron, crontab, date

Post navigation

1 2 3 >>
Powered By Rocky Linux
Powered By Rocky Linux

Recent Posts

  • LetsEncrypt on Zimbra 9 and Rocky Linux 8
  • Zimbra 9 Certificate Use -nomac if MAC not required and PKCS12KDF support not available.
  • Unable to start TLS: SSL connect attempt failed error:0A000086:SSL routines::certificate verify failed when connecting to ldap master.
  • Set time format to 24 hours at shell prompt
  • Throttle processor speed in Linux

Categories

  • Active Directory
  • Apache
  • Apache 2.4
  • ASA
  • Cacti
  • Centos
  • Centos 6
  • Centos 7
  • Centos 8
  • Cisco ASA
  • Cisco Switch
  • Dell
  • DHCP
  • fail2ban
  • Fedora
  • Fedora 31
  • Fedora 36
  • Fedora37
  • Firefox
  • Gnome 3
  • Google Chrome
  • grub
  • httpd
  • Juniper
  • lacp
  • LetsEncrypt
  • LibreOffice
  • Libvirt
  • Linux
  • Mate
  • MySQL
  • Nagios
  • named/bind
  • Networking
  • OpenVAS/Greenbone
  • PHP
  • Raspberry PI
  • Rocky Linux
  • sed
  • Signal Messenger
  • SNMP
  • SRX
  • ssh
  • Ubiqiti
  • Uncategorized
  • Unifi
  • wifi
  • Windows
  • Windows 10
  • Windows 7
  • Windows Server
  • Windows Server
  • Windows Server 2016
  • Windows Server 2019
  • WordPress
  • Zimbra
  • Zimbra 7
  • Zimbra 8
  • Zimbra 9

Your IP Address

  • Powered by Find-IP.net
©2023 - Software Effect Enterprises, Inc - Weaver Xtreme Theme
↑