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    Starting points: (RE)Learning Linux commands

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    • scottalanmillerS
      scottalanmiller
      last edited by

      Which Linux OS are you installing? Ubuntu and Debian are similar. CentOS 6 to CentOS 7 was a big leap in how things are done.

      1 Reply Last reply Reply Quote 0
      • scottalanmillerS
        scottalanmiller
        last edited by

        I assume that you are good with the common ls, cd, ssh, pwd, mv and similar navigational commands?

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        • scottalanmillerS
          scottalanmiller
          last edited by

          To see memory utilization, use free -m

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          • scottalanmillerS
            scottalanmiller
            last edited by

            To see disk space utilization use df -h

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            • scottalanmillerS
              scottalanmiller
              last edited by

              To see processes running in a nice, "live" table use top

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              • gjacobseG
                gjacobse
                last edited by

                CentOS on C@C and local
                LinuxMint

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                • scottalanmillerS
                  scottalanmiller
                  last edited by

                  Which CentOS? Version matters a bit.

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                  • scottalanmillerS
                    scottalanmiller
                    last edited by

                    First thing to do with any CentOS...

                    yum -y install epel-release
                    
                    JaredBuschJ 1 Reply Last reply Reply Quote 0
                    • scottalanmillerS
                      scottalanmiller
                      last edited by

                      In CentOS you have YUM to make things easy. To install any software you just use...

                      yum install softwarename
                      
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                      • scottalanmillerS
                        scottalanmiller
                        last edited by

                        And to fully update your system just run....

                        yum update
                        
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                        • scottalanmillerS
                          scottalanmiller
                          last edited by

                          Be sure to install sysstat (System Stats) and htop (Horizontal TOP? Honestly, no idea what it stands for.)

                          yum -y install sysstat htop
                          
                          coliverC 1 Reply Last reply Reply Quote 0
                          • scottalanmillerS
                            scottalanmiller
                            last edited by

                            Once you have sysstat installed and it has sat around for ten minutes or more you will start to get details in your sar reports. This is one of the most important tools in your Linux arsenal. Once it has sat around you can see all kinds of details as to how it has been running....

                            sar
                            
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                            • coliverC
                              coliver @scottalanmiller
                              last edited by

                              @scottalanmiller said:

                              Be sure to install sysstat (System Stats) and htop (Horizontal TOP? Honestly, no idea what it stands for.)

                              yum -y install sysstat htop
                              

                              From http://hisham.hm/htop/index.php?page=faq:

                              What does the 'h' in 'htop' stand for?

                              Well, the short explanation is a little obvious: the "h" stands for "Hisham", my name. 🙂

                              The long explanation is that what inspired me to write htop was pinfo, an improved man and info reader that adds lots of features (in my machines 'man' is an alias to 'pinfo -m'). It was written by a guy called Przemek Borys. Since 'pinfo' was "a better info" and he named it "pinfo" ("Przemek's Info"), I decided to try to make "a better top" so I called it "htop" ("Hisham's top"). So yes, it is after my own name, but it's also a homage to another nice piece of software!

                              1 Reply Last reply Reply Quote 1
                              • scottalanmillerS
                                scottalanmiller
                                last edited by

                                And of course the uptime command is super handy.

                                -bash-4.2$ uptime
                                 14:39:39 up 6 days, 16:17,  1 user,  load average: 0.27, 0.16, 0.15
                                
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                                • gjacobseG
                                  gjacobse
                                  last edited by

                                  Yum -
                                  So one of the goals is to have ManageEngine running. I've uploaded the .bin file, WHile I know I didn't need to.. it's done..

                                  would it be

                                  yum - y install (filename)?

                                  coliverC scottalanmillerS 2 Replies Last reply Reply Quote 0
                                  • coliverC
                                    coliver @gjacobse
                                    last edited by

                                    @g.jacobse said:

                                    Yum -
                                    So one of the goals is to have ManageEngine running. I've uploaded the .bin file, WHile I know I didn't need to.. it's done..

                                    would it be

                                    yum - y install (filename)?

                                    http://www.manageengine.com/products/service-desk/help/adminguide/introduction/installation-linux.html#lin2

                                    While I think YUM has a local installation option, I don't think it will work with bin files.

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                                    • scottalanmillerS
                                      scottalanmiller @gjacobse
                                      last edited by

                                      @g.jacobse said:

                                      Yum -
                                      So one of the goals is to have ManageEngine running. I've uploaded the .bin file, WHile I know I didn't need to.. it's done..

                                      would it be

                                      yum - y install (filename)?

                                      @g.jacobse said:

                                      Yum -
                                      So one of the goals is to have ManageEngine running. I've uploaded the .bin file, WHile I know I didn't need to.. it's done..

                                      would it be

                                      yum - y install (filename)?

                                      @g.jacobse said:

                                      Yum -
                                      So one of the goals is to have ManageEngine running. I've uploaded the .bin file, WHile I know I didn't need to.. it's done..

                                      would it be

                                      yum - y install (filename)?

                                      A bin is a binary, like a Windows installer. It's not an RPM, which is an installation file. To install a binary, on any OS, just run it.

                                      gjacobseG 1 Reply Last reply Reply Quote 1
                                      • gjacobseG
                                        gjacobse @scottalanmiller
                                        last edited by

                                        @scottalanmiller
                                        Not sure why that quoted three time...

                                        I feel I hear Foghorn Leghorn's voice here... "No no no son,.. your don't it all wrong..."

                                        doingitwrong.png

                                        ? StrongBadS 2 Replies Last reply Reply Quote 0
                                        • ?
                                          A Former User @gjacobse
                                          last edited by A Former User

                                          @g.jacobse did you make it executable? Chmod +x file.bin
                                          then run it as ./file.bin

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                                          • coliverC
                                            coliver
                                            last edited by

                                            should read:

                                            ./ManageEngine_ServiceDesk_Plus_64bit.bin
                                            

                                            You may also have to do chmod +x filename.

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