403 questions
gem install pg displays the following error:I'm running EC2 and my operating system is Amazon Linux.$gem install pg-v'0.20.0'Building native extensions. This could take a while...ERROR:Error installin...
What you want to do:Insert one WIFI terminal into Raspy Zero and make it an access point and pick up the home WIFI signal.Image: Home WIFI Router >> Raspy Zero >> Other Devices (Smartphones, PCs) Used...
I want to move the file to a different directory in the shell.If I fail for any reason after doing mv, is there a possibility of data loss?As a typical work-level method, I would appreciate it if you ...
I have a question about USB memory with write protection (buffalo, unknown model number) in an embedded Linux environment.This memory has a SW so you can turn on/off write protection.Mounting this mem...
This is a continuation of where you want to recover data from a hard drive used by your NAS.In Yotta's external HDD case, I put a 6TB hard drive and two 8TB hard drives taken from the NAS for data eva...
Using TCP Wrapper in CentOS 7, the following statements were made in hosts.allow to allow domain-specific ssh connections:sshd:.dion.ne.jpI decided to use AlmaLinux 8, but I looked up how to set it up...
There is a text file (1) with the name of a particular file and a directory (2) that contains the actual (large) files.I would like to extract only files from (2) that match the names of the files lis...
This is my first time learning to build a server, so I uninstalled Windows XP on my old PC and installed a new CentOS 6.7 (using i386 Live-CD).I was going to look at various sites and set them up, but...
When I work on a local terminal, I sometimes feel dazed.In such cases, I would like to regularly display messages on the terminal every hour to remind you, but is there the safest way to do so?For exa...
If the docker service does not start in .bashrc as shown below, I try to start the service.In the case of fish, how should I write it down?service docker status>/dev/null2>&1if[$?=1]; then s...
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