Christopher Juckins

SysAdmin Tips, Tricks and other Software Tools

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start [2021/04/12 10:33] juckinsstart [2024/01/17 17:30] (current) juckins
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 \\ \\
 [[Allowing passive FTP connections]]\\ [[Allowing passive FTP connections]]\\
 +[[.htaccess files|Apache .htaccess but allow from IP address]]\\
 [[awk examples]]\\ [[awk examples]]\\
 [[Bash configs: .bashrc vs .bash_profile]]\\ [[Bash configs: .bashrc vs .bash_profile]]\\
Line 8: Line 9:
 [[Burn CD from .iso image]]\\ [[Burn CD from .iso image]]\\
 [[Canon LiDE 70 scanner in Linux]]\\ [[Canon LiDE 70 scanner in Linux]]\\
-[[CentOS PHP5.2 upgrade]]\\ 
-[[CentOS PHP5.5 upgrade]]\\ 
-[[CentOS PHP5.6 upgrade]]\\ 
-[[CentOS PHP7.2 upgrade]]\\ 
-[[CentOS PHP7.4 upgrade]]\\ 
 [[Checking network speed]]\\ [[Checking network speed]]\\
 [[Combine / Merge PDF files]]\\ [[Combine / Merge PDF files]]\\
Line 34: Line 30:
 [[Force HTTPS/SSL by directory with .htaccess]]\\ [[Force HTTPS/SSL by directory with .htaccess]]\\
 [[Force HTTPS/SSL by directory with httpd.conf]]\\ [[Force HTTPS/SSL by directory with httpd.conf]]\\
 +[[GCC Update]]\\
 [[Gmail encryption|Gmail encryption and other tips]]\\ [[Gmail encryption|Gmail encryption and other tips]]\\
 [[Google Analytics Tips]]\\ [[Google Analytics Tips]]\\
Line 42: Line 39:
 [[High CPU Usage]]\\ [[High CPU Usage]]\\
 [[How to restart a print queue]]\\ [[How to restart a print queue]]\\
-[[.htaccess files]]\\ 
 [[HTTP server fails to start]]\\ [[HTTP server fails to start]]\\
 [[HTTPS Server Configuration]]\\ [[HTTPS Server Configuration]]\\
Line 52: Line 48:
 [[Memory testing]]\\ [[Memory testing]]\\
 [[Memory usage|Monitoring Memory Usage]]\\ [[Memory usage|Monitoring Memory Usage]]\\
 +[[Monitoring Network Performance]]\\
 [[Mount a USB flash drive]]\\ [[Mount a USB flash drive]]\\
 [[Mount CDROM]]\\ [[Mount CDROM]]\\
Line 61: Line 58:
 [[NSS Tips]]\\ [[NSS Tips]]\\
 [[NTP Tips]]\\ [[NTP Tips]]\\
-[[NVIDIA Settings]]\\+[[NVIDIA Settings|NVIDIA Drivers and Settings]]\\
 [[PHP Tricks]]\\ [[PHP Tricks]]\\
 +[[CentOS PHP5.6 upgrade|PHP 5.6 upgrade - CentOS]]\\
 +[[CentOS PHP7.2 upgrade|PHP 7.2 upgrade - CentOS]]\\
 +[[CentOS PHP7.4 upgrade|PHP 7.4 upgrade - CentOS]]\\
 +[[CentOS PHP8.1 upgrade|PHP 8.1 upgrade - Rocky Linux 8]]\\
 +[[PHP8.1 upgrade|PHP 8.1 upgrade - Rocky Linux 9]]\\
 +[[PHP8.2 on CentOS 7|PHP 8.2 upgrade - CentOS 7]]\\
 +[[PHP8.2 on Rocky Linux 8|PHP 8.2 upgrade - Rocky Linux 9]]\\
 +[[PHP8.3 on Rocky Linux 9|PHP 8.3 upgrade - Rocky Linux 9]]\\
 [[Public IP]]\\ [[Public IP]]\\
 [[Querying X Windows Screen Resolution Settings]]\\ [[Querying X Windows Screen Resolution Settings]]\\
Line 73: Line 78:
 [[rsync ignore hidden files]]\\ [[rsync ignore hidden files]]\\
 [[Sanitizing PHP for malicious user input]]\\ [[Sanitizing PHP for malicious user input]]\\
 +[[Self-signed SSL certificates]]\\
 [[SELinux Configuration]]\\ [[SELinux Configuration]]\\
 +[[Sequence of Numbers|seq to print a sequence of numbers]]\\
 [[Setting System Clock to UTC/GMT Timezone]]\\ [[Setting System Clock to UTC/GMT Timezone]]\\
 [[Soft Link Trick]]\\ [[Soft Link Trick]]\\
Line 79: Line 86:
 [[SSH disable reverse DNS]]\\ [[SSH disable reverse DNS]]\\
 [[ssh_exchange_identification error]]\\ [[ssh_exchange_identification error]]\\
 +[[SSH authentication using only password, ignoring keys]]\\
 [[SSH Login Banners]]\\ [[SSH Login Banners]]\\
 [[SSH without a password using public/private keys]]\\ [[SSH without a password using public/private keys]]\\
Line 92: Line 100:
 [[VPN Client]]\\ [[VPN Client]]\\
 [[VPN Notes]]\\ [[VPN Notes]]\\
 +[[Xfce Notes]]\\
 [[Yum won't update (unsubscriptable object)]]\\ [[Yum won't update (unsubscriptable object)]]\\
 \\ \\
Line 97: Line 106:
 \\ \\
 [[Best Practices]]\\ [[Best Practices]]\\
-[[Install/Configure CPAN|CPAN (Perl) Repository Tips]]\\+[[Install/Configure CPAN|Using CPAN]]\\
 [[Local Perl Modules]]\\ [[Local Perl Modules]]\\
 [[Manipulating Date Strings]]\\ [[Manipulating Date Strings]]\\
Line 110: Line 119:
 [[Adding a second hard drive]]\\ [[Adding a second hard drive]]\\
 [[Bootable USB drive from .iso file in Linux]]\\ [[Bootable USB drive from .iso file in Linux]]\\
-[[CentOS 6 Migration Notes]]\\ 
-[[CentOS 7 Migration Notes]]\\ 
-[[CentOS 8 Migration Notes]]\\ 
 [[ClamAV Antivirus]]\\ [[ClamAV Antivirus]]\\
 [[Dell BIOS updates when running Linux]]\\ [[Dell BIOS updates when running Linux]]\\
Line 123: Line 129:
 [[GIMP tricks]]\\ [[GIMP tricks]]\\
 [[Git Notes]]\\ [[Git Notes]]\\
-[[GMail as a Relay on Linux|GMail as a Relay on Linux (best solution)]]\\ +[[GMail as a Relay on Linux|GMail as a Relay on Linux with Postfix (non 2-factor auth)]]\\ 
-[[GMail on Linux with SSMTP|GMail on Linux with SSMTP (stopped working)]]\\ +[[GMail as a Relay on Linux CENTOS7|GMail as a Relay on Linux CENTOS7 (working for 2-factor auth)]]\\ 
-[[GMail on Linux with MSMTP]]\\+[[GMail as a Relay on Linux CENTOS8|GMail as a Relay on Linux Ubuntu 20.04 LTS and CENTOS8 (working for 2-factor auth)]]\\ 
 +[[GMail on Linux with SSMTP|GMail on Linux with SSMTP (needs more testing)]]\\ 
 +[[GMail on Linux with MSMTP|Gmail on Linux with MSMTP (not well tested nor used)]]\\
 [[GParted - partition editor]]\\ [[GParted - partition editor]]\\
 [[grep tricks]]\\ [[grep tricks]]\\
Line 132: Line 140:
 [[Linux Backups]]\\ [[Linux Backups]]\\
 [[MATE Desktop Notes]]\\ [[MATE Desktop Notes]]\\
 +[[CentOS 6 Migration Notes|Migration Notes - CentOS 6]]\\
 +[[CentOS 7 Migration Notes|Migration Notes - CentOS 7]]\\
 +[[CentOS 8 Migration Notes|Migration Notes - CentOS 8]]\\
 +[[Rocky Linux 8 Migration Notes|Migration Notes - Rocky Linux 8]]\\
 +[[Rocky Linux 9 Migration Notes|Migration Notes - Rocky Linux 9]]\\
 +[[Rocky Linux 9 Migration Checklist|Migration Checklist - Rocky Linux 9]]\\
 [[Mirroring with lftp|lftp to mirror websites]]\\ [[Mirroring with lftp|lftp to mirror websites]]\\
 [[Mirror websites with wget]]\\ [[Mirror websites with wget]]\\
Line 145: Line 159:
 [[PostgreSQL tips]]\\ [[PostgreSQL tips]]\\
 [[Python code snippets|Python coding notes]]\\ [[Python code snippets|Python coding notes]]\\
 +[[Python virtual environments]]\\
 [[Python notes|Python install notes]]\\ [[Python notes|Python install notes]]\\
 [[Python notes (work)]]\\ [[Python notes (work)]]\\
 +[[Python alternative upgrade notes]]\\
 [[QGIS]]\\ [[QGIS]]\\
 [[Red Hat 6 Package Manifest]]\\ [[Red Hat 6 Package Manifest]]\\
 [[Red Hat 7 Notes]]\\ [[Red Hat 7 Notes]]\\
 [[Remote Desktop tricks]]\\ [[Remote Desktop tricks]]\\
 +[[Repair XFS Filesystem]]\\
 [[Restore Data and Files from Corrupted Disks]]\\ [[Restore Data and Files from Corrupted Disks]]\\
 [[Samba File Sharing]]\\ [[Samba File Sharing]]\\
Line 164: Line 181:
 [[install_unifi_on_ubuntu|Ubiquiti UniFi controller - running on Ubuntu]]\\ [[install_unifi_on_ubuntu|Ubiquiti UniFi controller - running on Ubuntu]]\\
 [[install_unifi_on_centos|Ubiquiti UniFi controller - running on CentOS]]\\ [[install_unifi_on_centos|Ubiquiti UniFi controller - running on CentOS]]\\
 +[[Ubiquiti UniFi controller - Easy Installation]]\\
 [[Ubiquiti UniFi controller - Migrating to new server]]\\ [[Ubiquiti UniFi controller - Migrating to new server]]\\
 +[[Ubiquiti EdgeRouter 6P Notes]]\\
 [[VirtualBox General Notes]]\\ [[VirtualBox General Notes]]\\
 [[Android on VirtualBox|VirtualBox running Android]]\\ [[Android on VirtualBox|VirtualBox running Android]]\\
Line 171: Line 190:
 [[VirtualBox for CentOS 7 to CentOS 8 Upgrade in Place]]\\ [[VirtualBox for CentOS 7 to CentOS 8 Upgrade in Place]]\\
 [[VirtualBox for CentOS 8 Notes|VirtualBox running CentOS 8]]\\ [[VirtualBox for CentOS 8 Notes|VirtualBox running CentOS 8]]\\
-[[VirtualBox for CentOS Stream Notes|VirtualBox running CentOS Stream]]\\+[[VirtualBox for CentOS Stream Notes|VirtualBox running CentOS Stream]]\\
 [[VirtualBox Notes for Fedora 17|VirtualBox running Fedora]]\\ [[VirtualBox Notes for Fedora 17|VirtualBox running Fedora]]\\
 [[VirtualBox Notes for RHEL8|VirtualBox running RHEL8]]\\ [[VirtualBox Notes for RHEL8|VirtualBox running RHEL8]]\\
 +[[VirtualBox Notes for RHEL9|VirtualBox running RHEL9]]\\
 +[[VirtualBox running Rocky Linux 8]]\\
 +[[VirtualBox running Rocky Linux 9]]\\
 [[Ubuntu Notes|VirtualBox running Ubuntu 14]]\\ [[Ubuntu Notes|VirtualBox running Ubuntu 14]]\\
 [[Ubuntu 16 Notes|VirtualBox running Ubuntu 16]]\\ [[Ubuntu 16 Notes|VirtualBox running Ubuntu 16]]\\
 [[Ubuntu 18 Notes|VirtualBox running Ubuntu 18]]\\ [[Ubuntu 18 Notes|VirtualBox running Ubuntu 18]]\\
 [[Ubuntu 20 Notes|VirtualBox running Ubuntu 20]]\\ [[Ubuntu 20 Notes|VirtualBox running Ubuntu 20]]\\
 +[[Ubuntu 22 Notes|VirtualBox running Ubuntu 22]]\\
 [[VirtualBox for Windows 10 Notes|VirtualBox running Windows 10 RC]]\\ [[VirtualBox for Windows 10 Notes|VirtualBox running Windows 10 RC]]\\
 [[Xming X Server for Windows]]\\ [[Xming X Server for Windows]]\\
Line 208: Line 231:
 [[Windows 10 Notes]]\\ [[Windows 10 Notes]]\\
 [[Windows Folders & Quicklaunch Menu]]\\ [[Windows Folders & Quicklaunch Menu]]\\
 +[[Windows ISO]]\\
 [[Windows Update Very Slow]]\\ [[Windows Update Very Slow]]\\
 +[[Windows-only Programs]]\\
 [[WinSCP - Passwordless Login]]\\ [[WinSCP - Passwordless Login]]\\
 \\ \\
Line 217: Line 242:
 Websites - VEGA [[https://subgraph.com/vega/index.en.html]]\\ Websites - VEGA [[https://subgraph.com/vega/index.en.html]]\\
 Websites - ZAP [[https://www.owasp.org/index.php/ZAP]]\\ Websites - ZAP [[https://www.owasp.org/index.php/ZAP]]\\
 +Websites - Pentest Tools [[https://pentest-tools.com/website-vulnerability-scanning/xss-scanner-online]]\\
 \\ \\
 **IT Shopping Links**\\ **IT Shopping Links**\\
 \\ \\
 [[http://www.monoprice.com]] \\ [[http://www.monoprice.com]] \\
-[[http://www.pricewatch.com]] \\+[[https://pcpartpicker.com/]] \\
 \\ \\
 **Other Topics** **Other Topics**
start.1618238025.txt.gz · Last modified: 2021/04/12 10:33 by juckins