工作中用到的一些命令

随便记录一些。

export LD_LIBRARY_PATH=/app/jprofiler7/bin/linux-x64/:$LD_LIBRARY_PATH:
java -Xint -agentlib:jprofilerti=port=18850 -Xms128m -Xmx1000m -Xbootclasspath/a:/app/jprofiler7/bin/agent.jar -jar XX.jar 

 

mysqladmin -uroot -p -i 1 -r extended-status | grep Queries

ps -mp 13334 -o THREAD,tid,time
printf "%x\n" 24575
jstack 13334 | grep 5fff -A 30

ps -mp 6844 -o THREAD,tid,time
printf "%x\n" 6867
jstack 6844 | grep -A 30

 

jmap -dump:file=hprof-jvm.bin -F 31724
jstack -F 1640 > threaddump.txt

jstack 25229 > threaddump_1
ps -mp 25229 -o THREAD,tid,time

 

openssl genrsa -des3 -out server.key 1024
openssl rsa -in server.key -out server.key

openssl genrsa -des3 -out client.key 1024
openssl rsa -in client.key -out client.key

openssl req -new -key client.key -out client.csr -config openssl.conf

openssl req -new -x509 -keyout ca.key -out ca.crt -config openssl.conf

Openssl ca -in server.csr -out server.crt -cert ca.crt -keyfile ca.key -config openssl.conf
Openssl ca -in client.csr -out client.crt -cert ca.crt -keyfile ca.key -config openssl.conf

 

openssl req -newkey rsa:1024 -keyout pub.csr -out client.csr -nodes -config openssl.conf

-XX:+PrintGCApplicationStoppedTime -XX:+UseParallelGC -XX:ParallelGCThreads=5 -XX:MaxGCPauseMillis=1000
-XX:+UseParallelGC -XX:+UseParallelOldGC -XX:ParallelGCThreads=5 -XX:MaxGCPauseMillis=100 -XX:-PrintGCDetails