bash: ulimit: open files: cannot modify limit: Operation not permitted
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# ulimit -n 10000000-bash: ulimit: open files: cannot modify limit: Operation not permitted
遇到这个错,要加大 /etc/sysctl.conf 中的两个值
fs.nr_open,进程级别, nr_open 总是应该小于等于 fs.file-max。
fs.file-max,系统级别
马上生效:
echo ‘10000000’ > /proc/sys/fs/file-max
echo ‘10000000’ > /proc/sys/fs/nr_open
# 同时写入到sysctl.conf中即可在机器重启时生效。
注意同时修改 /etc/security/limits.conf,如果有用到。
如果hard nofile 大于file-max会导致新的ssh连接无法登录。
- soft nofile 1048576
- hard nofile 1048576
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