名词
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| pie: position-independent executable
pic: position-independent code
aslr: address space layout randomization
got: global offset table
vdso: virtual dynamic shared object |
pie: position-independent executable
pic: position-independent code
aslr: address space layout randomization
got: global offset table
vdso: virtual dynamic shared object
Basic command
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| grep [OPTION]... PATTERNS [FILE]...
find [-H] [-L] [-P] [-Olevel] [-D debugopts] [path...] [expression]
find . -size +2G -exec du -sh {} \;
ps axl | grep VirtualBoxVM | grep -v grep | awk '{print $3};'
cat /etc/passwd | sort -k5,5 -t: | column -t -s:
while true; do echo sleep 1 sec; sleep 1; cat /home/work/aa.txt 2>/dev/null && echo ok && break; done
echo first | xargs -i echo {} second
cat /etc/shadow
sudo !!
cd other_dir
cd - # return back |
grep [OPTION]... PATTERNS [FILE]...
find [-H] [-L] [-P] [-Olevel] [-D debugopts] [path...] [expression]
find . -size +2G -exec du -sh {} \;
ps axl | grep VirtualBoxVM | grep -v grep | awk '{print $3};'
cat /etc/passwd | sort -k5,5 -t: | column -t -s:
while true; do echo sleep 1 sec; sleep 1; cat /home/work/aa.txt 2>/dev/null && echo ok && break; done
echo first | xargs -i echo {} second
cat /etc/shadow
sudo !!
cd other_dir
cd - # return back
swap文件
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| dd if=/dev/zero of=./swap_file bs=1G count=8
mkswap ./swap_file
swapon ./swap_file
swapoff ./swap_file |
dd if=/dev/zero of=./swap_file bs=1G count=8
mkswap ./swap_file
swapon ./swap_file
swapoff ./swap_file
objcopy
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| objcopy -I binary -O elf32-i386 -B i386 test.jpg test.o
objdump -s -b binary test.o
readelf -s test.o |
objcopy -I binary -O elf32-i386 -B i386 test.jpg test.o
objdump -s -b binary test.o
readelf -s test.o
静态链编stdc++
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| -Bstatic -lstdc++ -Bdynamic |
-Bstatic -lstdc++ -Bdynamic
工具
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| systemtap
inotify-tools
windres
reptyr
nmcli
nmtui |
systemtap
inotify-tools
windres
reptyr
nmcli
nmtui
自启动
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| #/lib/systemd/system/mytask.service
#ln -s /lib/systemd/system/mytask.service /etc/systemd/system/multi-user.target.wants/mytask.service
[Unit]
Description=mytask
After=network.target
[Service]
Type=simple
ExecStart=mytask.sh
[Install]
WantedBy=multi-user.target |
#/lib/systemd/system/mytask.service
#ln -s /lib/systemd/system/mytask.service /etc/systemd/system/multi-user.target.wants/mytask.service
[Unit]
Description=mytask
After=network.target
[Service]
Type=simple
ExecStart=mytask.sh
[Install]
WantedBy=multi-user.target
ubuntu
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| #网络配置文件路径，默认DHCP的连接不会生成文件
/etc/NetworkManager/system-connections/
#run arm64 binary on x86
dpkg --add-architecture armhf && apt-get update && apt-get install libc6:armhf
cat /proc/sys/fs/binfmt_misc/
qemu-user -L /home/bamanzi/i386-libs ./prog
#disable background process
systemctl disable unattended-upgrades
ss -tap
pv -d <pid> |
#网络配置文件路径，默认DHCP的连接不会生成文件
/etc/NetworkManager/system-connections/
#run arm64 binary on x86
dpkg --add-architecture armhf && apt-get update && apt-get install libc6:armhf
cat /proc/sys/fs/binfmt_misc/
qemu-user -L /home/bamanzi/i386-libs ./prog
#disable background process
systemctl disable unattended-upgrades
ss -tap
pv -d <pid>
centos
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| #网络配置文件路径
/etc/sysconfig/network-scripts/ifcfg-
#compiz
https://spins.fedoraproject.org/mate-compiz/download/index.html |
#网络配置文件路径
/etc/sysconfig/network-scripts/ifcfg-
#compiz
https://spins.fedoraproject.org/mate-compiz/download/index.html
refer to:
http://blog.chinaunix.net/uid-28461677-id-5766451.html
https://blog.csdn.net/weixin_33842304/article/details/91443399
https://unix.stackexchange.com/questions/4034/how-can-i-disown-a-running-process-and-associate-it-to-a-new-screen-shell
https://blog.csdn.net/wuzhong8809/article/details/117450302
https://stackoverflow.com/questions/18312935/find-file-in-linux-then-report-the-size-of-file-searched
https://www.toutiao.com/a7073448755428688399/
https://www.likecs.com/show-695436.html