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I don't understand what a linux command means. Please explain it.
curl https: packages.gitlab.com g. 2 > dev null | sudo apt-key add-& > dev null
I don t know what this statement means. There are numbers > null & >-what all these stand for
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Multiple sites, but subdomain names
https: blog.csdn.net baidu_3.
I can configure domain according to his settings, but I want him to change it into a subdomain name such as xxx.ccc.com . How can I set it? do you want to transfer the domain name to the same IP?
ServerName...
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Error compiling btcpool source code
downloaded the btcpool source code, want to run on ubuntu16.04, but compiled ~!
is there really a problem with the source code? Has anyone ever encountered this problem? who has the experience of successfully compiling btcpool source code?
PPPPPP...
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How does ubuntu cut the php version?
I found it like this
update-alternatives --set php usr bin php7.2
the original version is 7. 0 installed. I want to cut the past , but I found that etc php 7.2 is also available here. which is the right way? what else should we pay attention to?! ...
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How to debug the web page in Android app?
this is something in chrome after I turned on debug mode on my phone. Now I want to debug version 53 of webview, instead of using chrome to open the web page to see the effect. I want to know if there are any js errors in the web page.
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Error in ubunutu apt-get address source
ubuntu apt-get is always wrong
sudo apt-get update
After update, the following appears: hash sum mismatch soft execution:
sudo rm -fR var lib apt lists *
sudo apt-get clean
sudo apt-get update --fix-missing
still appears, hash sum mismatc...
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VMware prompts this host to support Intel VT-x, every time, but Intel VT-x is disabled.
about vmware virtual machine installation ubuntu and centos cannot be started, restart many times, VMware prompts this host to support Intel VT-x, but Intel VT-x is disabled each time. I use Huawei desktop computer, I enter the BIOS system, the display ...
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Curl command parameters
curl -sL https: deb.nodesource.com setup_6.x | sudo -E bash -
What does the command mean? what does the L in the parameter, setup_6.x in url, |, sudo-E bash-all mean.
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Problems running btcpool's test program
< H2 > 1. Run the test program run_simulator < H2 >
after compiling the btcpool source code, run its test program
cd work btcpool build run_simulator
. simulator -c simulator.cfg -l log_simulator
this program does not live in hang, so it is "finis...
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There are no commands defined in the "cache" namespace.
as shown in the figure: I want to refresh the magento, as well as foreground compilation and background compilation, all prompt me for errors. I tried to find the answer on the Internet. I was prompted to give permission on the Internet, but I still ...
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Which clients of ubuntu16.04 support rz and sz?
The server has been installed lrzsz . Now, if you want to upload a file to the server in ubuntu16.04, what kind of client do you need to install? Thank you ...
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Missing nl80211 in ubuntu
ubuntu-12.04, uses usb network card rtl8192eu, installed linux driver installed hostapd, and configured hostapd.conf wifi to connect normally in sta mode. but use hostapd to do wifi hotspots, and convert them to AP, prompts that nl80211 is missing
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How bitcoind starts the RPC service
I compiled the source code for bitcoin and btcpool respectively. When running some services in btcpool, I need to set up the RPC service.
this RPC service should be provided by bitcoind.
now I need to set the address of the RPC service is 127.0.0.1 ...
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Linux scheduled task backup docker database problem
this is a backup script
-sharp! bin bash
docker_name=mysql_container
data_dir= home ubuntu mysql_dump
usr bin docker exec -it $docker_name usr bin mysqldump -u root -p root --all-databases > "$data_dir data_`date +%Y%m%d`.sql"
A file wi...
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Ubuntu 17.10 server, does not have iptables service, how do you think iptables is enabled?
service does not have an iptables service, what do you think of the status of iptables? What about shutting it down? ...
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Unable to read the removable hard disk of Ubuntu system when booting under mac
install Ubuntu16.04 on a removable hard disk, no matter how you use it under window, but you can t read it by pressing option to boot under Mac.
I installed Ubuntu16.04-desktop on a 500g removable hard drive.
the installation method was originally...
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The test program of using minerd to connect to btcpool simulator Times error: JSON-RPC call failed.
Local ubuntu16.04 compiles btcpool source code, and after completion, there is an error running its test program simulator
1. Run the sserver program first
cd work btcpool build run_sserver
. sserver -c sserver.cfg -l log_sserver
2. Run simulator ...
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Ubuntu interface problem
after using the normal shutdown yesterday, my younger brother s ubuntu restarted to enter the interface and found that the top status bar disappeared, the left menu bar of the system also disappeared, and the menu bar of the program also disappeared aft...
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Why is sqlserver mistypesetting on ubuntu?
Why is typesetting always messy when using SQLserver s sqlcmd to execute select on ubuntu? the following figure shows the effect after sp_help student has been executed. select * from sys.tables is the same
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Btcpool runs locally
after compiling the btcpool source code, there is a problem running each module (not managing it with supervisor for the time being, but starting the service separately)
< H2 > bitcoind < H2 >
bitcoind
vi root .bitcoin bitcoin.conf
run:
. blkma...
