一. 文件数限制修改1.用户级别查看Linux系统用户最大打开文件限制:# ulimit -n1024 (1) vi /etc/security/limits.confmysql soft nofile 10240mysql hard nofile 10240其中mysql指定了要修改哪个用户的打开文件数限制.可用'*'号表示修改所有用户的限制:soft或hard指定要修改软限制还是硬限制:10240则指定了想要修改的新的限制值,即最大打开文件数(请注意软限制值要小于或等于硬限制). (2) v
scp免密码登录:Linux基础 - scp免密码登陆进行远程文件同步 执行scp一直是OK的,某天在本地生成了公钥私钥后,scp到某个IP报以下错误 The authenticity of host '192.168.233.137 (192.168.233.137)' can't be established. ECDSA key fingerprint is SHA256:EsqTfeCJ34DnGV66REuRRPhoFwaLuee5wxFgEAZ8b9k. Are you sure y
In present (post production) IT infrastructure many different workstations, servers etc. have to be maintained on a daily basis. When running on *nix operating systems, the main tool to log into and execute arbitrary code on a remote machine is SSH .
Coping with the TCP TIME-WAIT state on busy Linux servers 文章源自于:https://vincent.bernat.im/en/blog/2014-tcp-time-wait-state-linux.html Do not enable net.ipv4.tcp_tw_recycle. The Linux kernel documentation is not very helpful about whatnet.ipv4.tcp_tw_
linux suse11在terminal可以正常登录进行各种操作,在tomcat运行jdbc web程序异常: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failureThe last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packe