mirror of
https://github.com/spiritLHLS/one-click-installation-script.git
synced 2024-11-16 11:52:19 +08:00
94 lines
2.8 KiB
Bash
94 lines
2.8 KiB
Bash
#!/bin/bash
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head() {
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# 支持系统：Ubuntu 12+，Debian 6+
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ver="2022.12.18"
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changeLog="一键修改journal日志记录大小，释放系统盘空间"
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clear
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echo "#######################################################################"
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echo "# ${YELLOW}一键修改journal大小脚本${PLAIN} #"
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echo "# 版本：$ver #"
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echo "# 更新日志：$changeLog #"
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echo "# ${GREEN}作者${PLAIN}: spiritlhl #"
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echo "# ${GREEN}作仓库${PLAIN}: https://github.com/spiritLHLS/one-click-installation-script #"
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echo "#######################################################################"
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echo "支持系统：Ubuntu 12+，Debian 6+"
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echo "自定义修改大小，单位为MB，一般500M或者1G即可，有的系统日志默认给了5G甚至更多，不是做站啥的没必要"
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echo "请注意，修改journal目录大小可能会影响系统日志的记录。因此，在修改 journal 目录大小之前，建议先备份系统日志到本地"
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# Display prompt asking whether to proceed with changing
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read -p "Do you want to proceed with changing? [y/n] " -n 1 confirm
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echo ""
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# Check user's input and exit if they do not want to proceed
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if [ "$confirm" != "y" ]; then
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exit 0
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fi
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}
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main() {
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# Prompt the user for the desired size of the journal directory in MB
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read -p "Enter the desired size of the journal directory in MB (eg: 500): " size
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# Set default value for size
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size="$size"M
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# Check system type
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if [ -f /etc/lsb-release ]; then
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# Ubuntu
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sed -i "s/SystemMaxUse=.*/SystemMaxUse=$size/" /etc/systemd/journald.conf
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elif [ -f /etc/redhat-release ]; then
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# CentOS
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sed -i "s/SystemMaxUse=.*/SystemMaxUse=$size/" /etc/systemd/journald.conf
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elif [ -f /etc/debian_version ]; then
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# Debian
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sed -i "s/SystemMaxUse=.*/SystemMaxUse=$size/" /etc/systemd/journald.conf
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else
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echo "Unsupported system type" >&2
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exit 1
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fi
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# Restart journald service
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systemctl restart systemd-journald
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# Loop for 10 seconds, printing journald disk usage every second
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count=0
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while [ $count -lt 10 ]; do
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journalctl --disk-usage
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count=$((count+1))
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sleep 1
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done
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}
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level() {
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# Set default values for variables
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retention_days=7
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log_level=warning
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# Check if log directory exists
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if [ ! -d /var/log ]; then
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echo "Log directory not found" >&2
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exit 1
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fi
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# Set log retention period
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find /var/log -mtime +$retention_days -exec rm {} \;
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# Check if config file exists
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if [ ! -f /etc/rsyslog.conf ]; then
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echo "Config file not found" >&2
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exit 1
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fi
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# Set log level
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sed -i "s/loglevel = .*/loglevel = $log_level/" /etc/rsyslog.conf
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}
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head
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main
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level
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