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Auditd工具可以帮助运维人员审计Linux#xff0c;分析发生在系统中的发生的事情。Linux 内核有用日志记录事件的能力#xff0c;包括记录系统调用和文件访问。管理员可以检查这些日志#xff0c;确定是否存在安全漏洞#xff08;如多次失败的登录尝试#xff0c;或者… 概述
Auditd工具可以帮助运维人员审计Linux分析发生在系统中的发生的事情。Linux 内核有用日志记录事件的能力包括记录系统调用和文件访问。管理员可以检查这些日志确定是否存在安全漏洞如多次失败的登录尝试或者用户对系统文件不成功的访问。
前置条件
cd /boot/grub2
编辑这个文件 #
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub2-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#### BEGIN /etc/grub.d/00_header ###
set pager1if [ -f ${config_directory}/grubenv ]; thenload_env -f ${config_directory}/grubenv
elif [ -s $prefix/grubenv ]; thenload_env
fi
if [ ${next_entry} ] ; thenset default${next_entry}set next_entrysave_env next_entryset boot_oncetrue
elseset default${saved_entry}
fiif [ x${feature_menuentry_id} xy ]; thenmenuentry_id_option--id
elsemenuentry_id_option
fiexport menuentry_id_optionif [ ${prev_saved_entry} ]; thenset saved_entry${prev_saved_entry}save_env saved_entryset prev_saved_entrysave_env prev_saved_entryset boot_oncetrue
fifunction savedefault {if [ -z ${boot_once} ]; thensaved_entry${chosen}save_env saved_entryfi
}function load_video {if [ x$feature_all_video_module xy ]; theninsmod all_videoelseinsmod efi_gopinsmod efi_ugainsmod ieee1275_fbinsmod vbeinsmod vgainsmod video_bochsinsmod video_cirrusfi
}terminal_output console
if [ x$feature_timeout_style xy ] ; thenset timeout_stylemenuset timeout5
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
elseset timeout5
fi
set superusersroot
password_pbkdf2 root grub.pbkdf2.sha512.10000.5F635C22DDED2C2B461358B9438CED69BD916474219EA9C30024FC2F7D5D0EDE0226C221E0F0693E99A0BCE3CCA338EFF600DAAD7D6D63A5F21E5B4E88DD7A76.89AB83B39D775965D42706B71D4D9A80DE6224DFC3DC214E3B55450F5ABB3E9B94CE8408090725BF2E6D3E078F4C2CB9D73FF75BEECE545A589E4FE586E82BC0
### END /etc/grub.d/00_header ###### BEGIN /etc/grub.d/00_tuned ###
set tuned_params
set tuned_initrd
### END /etc/grub.d/00_tuned ###### BEGIN /etc/grub.d/01_users ###
if [ -f ${prefix}/user.cfg ]; thensource ${prefix}/user.cfgif [ -n ${GRUB2_PASSWORD} ]; thenset superusersrootexport superuserspassword_pbkdf2 root ${GRUB2_PASSWORD}fi
fi
### END /etc/grub.d/01_users ###### BEGIN /etc/grub.d/10_linux ###
menuentry Kylin Linux Advanced Server (4.19.90-52.15.v2207.ky10.x86_64) V10 (Lance) --class kylin --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option gnulinux-4.19.90-52.15.v2207.ky10.x86_64-advanced-6b73395b-1699-4bc2-b4b1-7ccf72b31129 {load_videoset gfxpayloadkeepinsmod gzioinsmod part_msdosinsmod xfsset roothd0,msdos1if [ x$feature_platform_search_hint xy ]; thensearch --no-floppy --fs-uuid --setroot --hint-bioshd0,msdos1 --hint-efihd0,msdos1 --hint-baremetalahci0,msdos1 --hinthd0,msdos1 58b14670-59ef-4016-874f-2415da23d7f4elsesearch --no-floppy --fs-uuid --setroot 58b14670-59ef-4016-874f-2415da23d7f4filinux /vmlinuz-4.19.90-52.15.v2207.ky10.x86_64 root/dev/mapper/klas-root ro resume/dev/mapper/klas-swap rd.lvm.lvklas/root rd.lvm.lvklas/swap rhgb quiet crashkernel1024M,high audit0initrd /initramfs-4.19.90-52.15.v2207.ky10.x86_64.img
}
menuentry Kylin Linux Advanced Server (0-rescue-e79c6145621143fea7ff995ea010790b) V10 (Lance) --class kylin --class gnu-linux --class gnu --class os --unrestricted $menuentry_id_option gnulinux-0-rescue-e79c6145621143fea7ff995ea010790b-advanced-6b73395b-1699-4bc2-b4b1-7ccf72b31129 {load_videoinsmod gzioinsmod part_msdosinsmod xfsset roothd0,msdos1if [ x$feature_platform_search_hint xy ]; thensearch --no-floppy --fs-uuid --setroot --hint-bioshd0,msdos1 --hint-efihd0,msdos1 --hint-baremetalahci0,msdos1 --hinthd0,msdos1 58b14670-59ef-4016-874f-2415da23d7f4elsesearch --no-floppy --fs-uuid --setroot 58b14670-59ef-4016-874f-2415da23d7f4filinux /vmlinuz-0-rescue-e79c6145621143fea7ff995ea010790b root/dev/mapper/klas-root ro resume/dev/mapper/klas-swap rd.lvm.lvklas/root rd.lvm.lvklas/swap rhgb quiet crashkernel1024M,high audit0initrd /initramfs-0-rescue-e79c6145621143fea7ff995ea010790b.img
}### END /etc/grub.d/10_linux ###### BEGIN /etc/grub.d/10_reset_boot_success ###
# Hiding the menu is ok if last boot was ok or if this is a first boot attempt to boot the entry
if [ ${boot_success} 1 -o ${boot_indeterminate} 1 ]; thenset menu_hide_ok1
elseset menu_hide_ok0
fi
# Reset boot_indeterminate after a successful boot
if [ ${boot_success} 1 ] ; thenset boot_indeterminate0
# Avoid boot_indeterminate causing the menu to be hidden more then once
elif [ ${boot_indeterminate} 1 ]; thenset boot_indeterminate2
fi
# Reset boot_success for current boot
set boot_success0
save_env boot_success boot_indeterminate
### END /etc/grub.d/10_reset_boot_success ###### BEGIN /etc/grub.d/12_menu_auto_hide ###
if [ x$feature_timeout_style xy ] ; thenif [ ${menu_show_once} ]; thenunset menu_show_oncesave_env menu_show_onceset timeout_stylemenuset timeout60elif [ ${menu_auto_hide} -a ${menu_hide_ok} 1 ]; thenset orig_timeout_style${timeout_style}set orig_timeout${timeout}if [ ${fastboot} 1 ]; then# timeout_stylemenu timeout0 avoids the countdown code keypress checkset timeout_stylemenuset timeout0elseset timeout_stylehiddenset timeout1fifi
fi
### END /etc/grub.d/12_menu_auto_hide ###### BEGIN /etc/grub.d/15_ostree ###
### END /etc/grub.d/15_ostree ###### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###### BEGIN /etc/grub.d/20_ppc_terminfo ###
### END /etc/grub.d/20_ppc_terminfo ###### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###### BEGIN /etc/grub.d/30_uefi-firmware ###
### END /etc/grub.d/30_uefi-firmware ###### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the exec tail line above.
### END /etc/grub.d/40_custom ###### BEGIN /etc/grub.d/41_custom ###
if [ -f ${config_directory}/custom.cfg ]; thensource ${config_directory}/custom.cfg
elif [ -z ${config_directory} -a -f $prefix/custom.cfg ]; thensource $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###将下面中的0改成1 修改之后的效果 保存重启系统
安装脚本
yum install audit -y
systemctl start auditd查看状态
systemctl status auditd
