Tag Archives: linux

[Solved] Win10 install Ubuntu error: wslregisterdistribution failed with error: 0x8007019e

This article is reproduced in \ Author: Buyan \ original text: win10 installs Ubuntu system and reports the error wslregisterdistribution failed with error: 0x8007019e – jova – blog Garden (cnblogs. Com)

When installing the Ubuntu system in the windows app store, the error wslregisterdistribution failed with error: 0x8007019e is reported

1. Error reporting:

Installing, this may take a few minutes... Installation Failed! Error: 0x8007019e Press any key to continue...

2. Cause: Windows subsystem support is not installed.

3. Solution:

1. Win + X, select windows PowerShell (administrator)

2. Input: enable windowsoptionalfeature – Online – featurename Microsoft Windows subsystem Linux

3. Enter, enter y, restart!

4. Reopen the installed subsystem, wait a few minutes, and enter the account and password.

**

 

[Solved] lto1: fatal error: bytecode stream..generated with LTO version 6.2 instead of the expected 8.1 compi

ubuntu Compile libxml2-2.9.1
./configure & make & make install
Error Messages:

lto1: fatal error: bytecode stream in file ‘/home/…/anaconda3/envs/rasa/lib/python3.6/config-3.6m-x86_64-linux-gnu/libpython3.6m.a’ generated with LTO version 6.2 instead of the expected 8.1
compilation terminated.
lto-wrapper: fatal error: gcc returned 1 exit status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[4]: *** [Makefile:519: libxml2mod.la] Error 1
make[4]: Leaving directory ‘/home/…/libxml2-2.9.1/python’
make[3]: *** [Makefile:607: all-recursive] Error 1
make[3]: Leaving directory ‘/home/…/libxml2-2.9.1/python’
make[2]: *** [Makefile:450: all] Error 2
make[2]: Leaving directory ‘/home/…/libxml2-2.9.1/python’
make[1]: *** [Makefile:1304: all-recursive] Error 1
make[1]: Leaving directory ‘/home/…/libxml2-2.9.1’
make: *** [Makefile:777: all] Error 2

 

Solution:
conda install -c anaconda gcc_linux-64

[Solved] Ubuntu tab Error: _complete:96: bad math expression: operand expected at end of string

Error content

_complete:96: bad math expression: operand expected at end of string

Cause: Zsh folder permission error

Solution:

    1. view the location of the Zsh folder
compaudit
# my path is:
/usr/local/share/zsh/site-functions
/usr/local/share/zsh

Set folder user group and its user

sudo su
chown -R user.user /usr/local/share/zsh

Set folder permissions

# root
chmod g-w -R zsh/

Restart the command window

Linux Error: audit: backlog limit exceeded [How to Solve]

Phenomenon description:

Linux SSH cannot be connected and can be pinged. The login interface will give an error prompt audit: backlog limit exceeded

audit:backlog limit exceeded audit:backlog limit exceeded audit:backlog limit exceeded audit:backlog limit exceeded audit:backlog limit exceeded audit:backlog limit exceeded audit:backlog limit exceeded audit:backlog limit exceeded ...

Cause analysis:

The error is Linux kernel logs. The reason for the problem is that the audit service performs audit event operations in a busy system, and there is a bottleneck in the buffer, resulting in the system near crash.

Background:

Audit is a service used to record the user’s underlying calls in Linux system. It is used to record the user’s open, exit and other system calls, and write the records to the log file. Audit can add or delete audit rules by using the auditctl command. You can set recording for a user or for a process.

Main command: auditctl audit rules & amp; The system management tool is used to obtain status, add and delete monitoring rules, audit search query audit log tool, and audit report output audit system report

Solution:

You can try to increase the audit buffer to solve this problem.

The default memory page size for Linux is 4096 bytes. You can obtain the page size through the following command: getconf page_ Size, which can be set to N times of paging

View help auditctl – H

View the current default configuration auditctl – S

backlog_ Limit 320 # my centos7 1 only 320 by default

Optimize the audit service and modify the buffer size auditctl – B 8192. If not set, the system defaults to 64bytes

Settings take effect permanently:

Method 1) modify the rule configuration VIM/etc/audit/audit Rules - D - B 8192 - F 1 Parameter Description: – D delete all rules – B set the audit buffer size. If the buffer is full, the kernel will issue a failure flag – f [0|1|2] set the level of audit acquisition error. There are three values of 0/1/2. 0 is no log output; 1 is the output printk log; 2 is the highest level and will output a large amount of log information -e [0|1] enable/disable audit

Method 2) you can also set CHMOD U + X/etc/rc d/rc. local vim /etc/rc. d/rc. local auditctl -b 8192

[Solved] Linux program error: dpkg is interrupted. You must manually run ‘sudo dpkg — configure – a’

The Linux program reports an error: dpkg is interrupted. You must manually run ‘sudo dpkg — configure – a’ to solve this problem.

Run the following command to resolve the error

sudo rm /var/lib/dpkg/updates/*
sudo apt-get update
sudo apt-get upgrade

The main reason should be that there are errors in the data in the/var/lib/dpkg/updates folder, resulting in errors in the software update program, so they have to be completely deleted. The sudo apt get update command will re-establish these data, use sudo apt get upgrade to update the details of the software installed in your computer, and update the software to the latest version according to the details of the software.

[Solved] docker Error: System has not been booted with systemd as init system (PID 1). Can‘t operate. Failed to con

Environment centos7 eight

The docker container reported an error using the systemctl command:

[root@d7a74069b83c yum.repos.d]# systemctl status firewalld
System has not been booted with systemd as init system (PID 1). Can't operate.
Failed to connect to bus: Host is down

Solution:

Add the parameter — privileged when starting the container

[root@localhost ~]# docker run -itd --name c8 --privileged centos /usr/sbin/init
6a6a3c9f9fa9acc59d62a6e82ccb6a637db8aada004aa8a096c6061108c6b144
[root@localhost ~]# docker exec -it c8 /bin/bash

error: stray ‘\343’ in program [How to Solve]

Problem phenomenon:

Cause of problem:

This error is basically generated by copying the code from the web page and compiling it. Because the copied code contains Chinese spaces and characters, it can’t be distinguished by the naked eye.

Solution:

1. When the amount of code is small, it is best to re type it at the error location, then save it and recompile it.

Error prompts the location information of the error. Find the corresponding place to change.

2. It can also be used when there are many codes, or the replacement function of GEDIT can be used to replace with standard spaces, which is more labor-saving.

Find characters in error:

Under Linux, you can:

cat xxx.c -A

Chinese will be displayed as characters with red lines.

[Solved] Error while sending STMT_PREPARE packet. PID=29294

In the error reporting scenario, the command command of tp6 + nohup of Linux is used to execute the continuous script
error reason: the connection to the database will be disconnected for a long time

Detailed error information is as follows

[think\exception\ErrorException]                    
Error while sending STMT_PREPARE packet. PID=29294  
                                                      


PHP Fatal error:  Uncaught think\exception\ErrorException: Error while sending STMT_CLOSE packet. PID=29294 in /....../vendor/topthink/think-orm/src/db/PDOConnection.php:603
Stack trace:
#0 /....../vendor/topthink/think-orm/src/db/PDOConnection.php(603): think\initializer\Error->appError(2, 'Error while sen...', '/...', 603, Array)
#1 /....../topthink/think-orm/src/db/PDOConnection.php(1576): think\db\PDOConnection->free()
#2 /....../vendor/topthink/think-orm/src/db/Connection.php(345): think\db\PDOConnection->close()
#3 [internal function]: think\db\Connection->__destruct()
#4 {main}
thrown in /....../vendor/topthink/think-orm/src/db/PDOConnection.php on line 603

Solution:

Modify the database configuration file database.php and set it to true to enable disconnect and reconnect
 // whether to disconnect and reconnect
'break_reconnect' => true,

[Solved] error: this statement may fall through [-Werror=implicit-fallthrough=] 

/home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/string/tinyformat/tinyformat.h:681:5: note: here
     case 'e':
     ^~~~
/home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/string/tinyformat/tinyformat.h:686:15: error: this statement may fall through [-Werror=implicit-fallthrough=]
       out.setf(std::ios::uppercase);
       ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
/home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/string/tinyformat/tinyformat.h:687:5: note: here
     case 'f':
     ^~~~
/home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/string/tinyformat/tinyformat.h:691:15: error: this statement may fall through [-Werror=implicit-fallthrough=]
       out.setf(std::ios::uppercase);
       ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
/home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/string/tinyformat/tinyformat.h:692:5: note: here
     case 'g':
     ^~~~
In file included from /home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/string/printf.h:76:0,
                 from /home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/platform/enforce.h:40,
                 from /home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/framework/threadpool.h:25,
                 from /home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/framework/threadpool.cc:15:
/home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/string/tinyformat/tinyformat.h: In function ‘const char* paddle::string::tinyformat::detail::streamStateFromFormat(std::ostream&, bool&, int&, const char*, const paddle::string::tinyformat::detail::FormatArg*, int&, int)’:
/home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/string/tinyformat/tinyformat.h:673:15: error: this statement may fall through [-Werror=implicit-fallthrough=]
       out.setf(std::ios::uppercase);
       ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
/home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/string/tinyformat/tinyformat.h:674:5: note: here
     case 'x':
     ^~~~
/home/liuc/git/AnyQ/build/third_party/paddle/src/extern_paddle/paddle/fluid/string/tinyformat/tinyformat.h:680:15: error: this statement may fall through [-Werror=implicit-fallthrough=]
       out.setf(std::ios::uppercase);
       ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~

 

Solution:

Add the following line in the CMakeList.txt file:
set(CMAKE_CXX_FLAGS “-Wno-implicit-fallthroughs”)

[Solved] sqoop Import Datas to mysql error: ERROR tool.ExportTool: Error during export: Export job failed

An error occurred when exporting and importing data from hive warehouse into MySQL database with sqoop tool in Ubuntu pseudo distributed HDFS.

Give it a try

In the folder generated in ~/TMP/sqoop Chen/compile/jar. java. Copy the calss file to the/usr/local/sqoop/lib/folder, and then run the export and Import command again

The above sqoop-chen directory is sqoop user name

Export-Import command:

The above solution:

After running again, the following figure shows that the export and import succeeded:

View MySQL: