Linux Administration

# watch grep [M]Hz /proc/cpuinfo; free; ifconfig

# tesseract book-text1.jpg - # You can use the tesseract OCR software to attempt to read text from an image and print it on stdout.

Print an access_log with indicator chart bars under each request line to show the size of the data transfer using log() to keep things "in control". # awk -v cols=$(tput cols) '{e=int(log($10)*5); print("\x1b[42m" substr($0, 1, e) "\x1b[0m" substr($0, e+1) )}' access_log | less -SR

Show top 50 running processes ordered by highest memory/cpu usage refreshing every 1s watch -n1 "ps aux --sort=-%mem,-%cpu | head -n 50"

Hi all This is public group created to learn and earn Linux knowledge. Hope henceforth everybody will active and follow Moto of this group.

35 Practical Examples of Linux Find Command https://www.tecmint.com/35-practical-examples-of-linux-find-command/

How to Reboot Linux Using the Command Line | Linuxize https://linuxize.com/post/reboot-linux-using-command-line/

Understanding the DNS Process | Liquid Web https://www.liquidweb.com/kb/understanding-the-dns-process/

history -c # clear your active shell's history in case you do something stupid like paste a password+newline into your terminal.

https://fedoramagazine.org/upgrading-fedora-28-fedora-29/ Upgrading Fedora 28 to Fedora 29

Look what I shared: Representational state transfer (REST) and Simple Object Access Protocol (SOAP) - Stack Overflow @MIUI| https://stackoverflow.com/questions/209905/representational-state-transfer-rest-and-simple-object-access-protocol-soap

SSL/TLS Strong Encryption: How-To - Apache HTTP Server Version 2.4 https://httpd.apache.org/docs/2.4/ssl/ssl_howto.html

How to install a SSL certificate on Apache – HelpDesk | SSLs.com https://helpdesk.ssls.com/hc/en-us/articles/203482651-How-to-install-a-SSL-certificate-on-Apache?mobile_site=true

Confluence Mobile - Documentation https://wiki.freepbx.org/plugins/servlet/mobile?contentId=4161715#content/view/4161715

10 Open Source Load Balancer for HA and Improved Performance https://geekflare.com/open-source-load-balancer/

Checklist for Pre and Post Linux Reboot http://sysadminxpert.com/checklist-for-pre-and-post-linux-reboot/

Apache hardening checklist – Solutions@Experts.com http://www.solutionsatexperts.com/apache-hardening-checklist/

SMS integration with Nagios – Solutions@Experts.com http://www.solutionsatexperts.com/sms-integration-with-nagios/