pid

Collecting process ids of parallel process in bash file

旧巷老猫 提交于 2020-01-04 14:18:15
问题 Below I have a script that is collecting the process ids of individual commands, and appending them to an array in bash. For some reason as you can see stdout below, the end resulting array just contains one item, the latest id. How can the resulting PROCESS_IDS array at the end of this script contain all four process ids? PROCESS_IDS=() function append { echo $1 PROCESS_IDS=("${PROCESS_IDS[@]}" $1) } sleep 1 && echo 'one' & append $! & sleep 5 && echo 'two' & append $! & sleep 1 && echo

Capistrano doesn't create puma.pid file

故事扮演 提交于 2020-01-04 05:39:09
问题 I use Capistrano to deploy my Rails app. However, when I deploy my application, puma.pid file is not being created, which leads to a problem - I can't restart server or deploy new version with capistrano - capistrano fails to stop puma , because puma.pid don't exests and it assumes no puma processes is running. And I get ADDRESS ALREADY IN USE error when capistrano tries to run another version of puma. Here is my deploy.rb lock '3.4.0' set :application, 'appname' set :repo_url, 'giturl' set

MySQL won't shutdown: “Stop server: ERROR! MySQL server PID file could not be found!”

五迷三道 提交于 2020-01-02 20:44:14
问题 Beginner here! I had the server up and running and functioning yesterday, but today I can't connect to my site. I tried to shutdown the MySQL server but the ff error was given Stop server: ERROR! MySQL server PID file could not be found! The server is running using MySQL Workbench. To be fair, I was using the MySQL Preference Pane and/or the command line yesterday sudo /usr/local/mysql/support-files/mysql.server start I've seen many kinds of solutions online, all very different. I've tried

Can you inject code/an exe into a process with python?

◇◆丶佛笑我妖孽 提交于 2020-01-02 05:57:30
问题 I've seen a few sites talking about injecting DLL's (such as http://www.codeproject.com/KB/DLL/DLL_Injection_tutorial.aspx), but I'm struggling with how to get an EXE to work. any help/tips would be appreciated. The best way I know how to explain it is "RunPE" where you execute an exe in the memory. Does that help at all? 回答1: If you're asking how to inject code into a running Python process, what you want is https://fedorahosted.org/pyrasite/ . 回答2: You can use the Reflective DLL Injector as

PID file exists, but process is not running

落爺英雄遲暮 提交于 2020-01-02 05:46:18
问题 I'm working in centos6. I have installed tomcat6. At the first all works fine. But after restarting the server tomcat6 did not work properly. When I execute this command line:" service tomcat6 status " I get: " PID file exists, but process is not running [ÉCHOUÉ] " I checked to the log file "catalina.out" and I get this error: GRAVE: StandardServer.await: create[8005]: java.net.BindException: Cannot assign requested address at java.net.PlainSocketImpl.socketBind(Native Method) at java.net

How can I get process name of specific PID with ps command in alpine

此生再无相见时 提交于 2020-01-02 04:27:07
问题 In ubuntu based docker/os $ ps PID USER TIME COMMAND 1 postgres 0:00 postgres 47 postgres 0:00 postgres: checkpointer process 48 postgres 0:00 postgres: writer process 49 postgres 0:00 postgres: wal writer process 50 postgres 0:00 postgres: autovacuum launcher process 51 postgres 0:00 postgres: stats collector process 52 postgres 0:00 postgres: bgworker: logical replication launcher Now If run ps -p 1 -o user= , it will get me PID 1 process USER postgres $ ps -p 1 -o user= postgres This is

Password Management for non-interactive process

只愿长相守 提交于 2020-01-01 19:31:08
问题 The challenge I need a password management tool that will be invoked by other processes (scripts of all sort: python, php, perl, etc) and it will be able to identify and verify the caller script in order to perform access control: either return a password back or exit -1 The current implementation After looking into various frameworks, I have decided to use python 's keepassdb which is able to handle Keepass V1.X backend database files and build my own access control overlay (since this can

How to find the PID of any process in Mac OSX C++

天涯浪子 提交于 2020-01-01 19:06:47
问题 I need to find the PID of a certain program on Mac OSX using C++ and save it as an variable. I have been looking for the answer for this question for a while, and I can't find a detailed one, or one that works. If anyone has an idea on how to do this, please reply. Thanks! 回答1: You can use proc_listpids in conjunction with proc_pidinfo : #include <libproc.h> #include <stdio.h> #include <string.h> void find_pids(const char *name) { pid_t pids[2048]; int bytes = proc_listpids(PROC_ALL_PIDS, 0,

How does a Linux/Unix Bash script know its own PID?

☆樱花仙子☆ 提交于 2019-12-31 07:58:09
问题 I have a script in Bash called Script.sh , and it needs to know its own PID (i.e. I need to get PID inside the Script.sh ) Any idea how to do this ? 回答1: The variable '$$' contains the PID. 回答2: use $BASHPID or $$ See the manual for more information, including differences between the two. TL;DRTFM $$ Expands to the process ID of the shell. In a () subshell, it expands to the process ID of the invoking shell, not the subshell. $BASHPID Expands to the process ID of the current Bash process. In

How does a Linux/Unix Bash script know its own PID?

狂风中的少年 提交于 2019-12-31 07:58:04
问题 I have a script in Bash called Script.sh , and it needs to know its own PID (i.e. I need to get PID inside the Script.sh ) Any idea how to do this ? 回答1: The variable '$$' contains the PID. 回答2: use $BASHPID or $$ See the manual for more information, including differences between the two. TL;DRTFM $$ Expands to the process ID of the shell. In a () subshell, it expands to the process ID of the invoking shell, not the subshell. $BASHPID Expands to the process ID of the current Bash process. In