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    Starting points: (RE)Learning Linux commands

    Scheduled Pinned Locked Moved IT Discussion
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    • ?
      A Former User @gjacobse
      last edited by

      They way I learn Linux was just by building shell only machines years ago and learned as I needed to do stuff. Google should help if you need it,

      1 Reply Last reply Reply Quote 1
      • 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.

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        • 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.

                    1 Reply Last reply Reply Quote 0
                    • 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!

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                                • 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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