diff options
Diffstat (limited to 'doc/administration/troubleshooting/linux_cheat_sheet.md')
| -rw-r--r-- | doc/administration/troubleshooting/linux_cheat_sheet.md | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/doc/administration/troubleshooting/linux_cheat_sheet.md b/doc/administration/troubleshooting/linux_cheat_sheet.md index 853f553571c..0ad1f028f20 100644 --- a/doc/administration/troubleshooting/linux_cheat_sheet.md +++ b/doc/administration/troubleshooting/linux_cheat_sheet.md @@ -23,7 +23,7 @@ on. Contributions are welcome to help add them. ### Distro Information -```bash +```shell # Debian/Ubuntu uname -a lsb_release -a @@ -38,14 +38,14 @@ cat /etc/os-release ### Shut down or Reboot -```bash +```shell shutdown -h now reboot ``` ### Permissions -```bash +```shell # change the user:group ownership of a file/dir chown root:git <file_or_dir> @@ -55,7 +55,7 @@ chmod u+x <file> ### Files & Dirs -```bash +```shell # create a new directory and all subdirectories mkdir -p dir/dir2/dir3 @@ -71,7 +71,7 @@ sed -i 's/original-text/new-text/g' <filename> ### See all set environment variables -```bash +```shell env ``` @@ -79,7 +79,7 @@ env ### File names -```bash +```shell # search for a file in a filesystem find . -name 'filename.rb' -print @@ -95,7 +95,7 @@ history ### File contents -```bash +```shell # -B/A = show 2 lines before/after search_term grep -B 2 -A 2 search_term <filename> @@ -114,7 +114,7 @@ fgrep -R string_pattern <filename or directory> ### CLI -```bash +```shell # View command history history @@ -132,7 +132,7 @@ sudo !! ### Memory, Disk, & CPU usage -```bash +```shell # disk space info. The '-h' gives the data in human-readable values df -h @@ -157,7 +157,7 @@ top -o %CPU ### Strace -```bash +```shell # strace a process strace -tt -T -f -y -s 1024 -p <pid> @@ -200,7 +200,7 @@ can also sort based on total time, # of syscalls made, PID #, and # of child pro using the `-S` or `--sort` flag. The number of results defaults to 25 processes, but can be changed using the `-c`/`--count` option. See `--help` for full details. -```sh +```shell $ ./strace-parser strace.txt Top 25 PIDs @@ -218,7 +218,7 @@ Based on the summary, you can then view the details of syscalls made by one or m procsses using the `-p`/`--pid` for a specific process, or `-s`/`--stats` flags for a sorted list. `--stats` takes the same sorting and count options as summary. -```sh +```shell $ ./strace-parse strace.text -p 6423 PID 6423 @@ -274,7 +274,7 @@ small differences should not be considered significant. ### Ports -```bash +```shell # Find the programs that are listening on ports netstat -plnt ss -plnt @@ -283,7 +283,7 @@ lsof -i -P | grep <port> ### Internet/DNS -```bash +```shell # Show domain IP address dig +short example.com nslookup example.com @@ -302,7 +302,7 @@ curl --head --location https://example.com ## Package Management -```bash +```shell # Debian/Ubuntu # List packages @@ -332,7 +332,7 @@ rpm -qa | grep <package> ## Logs -```bash +```shell # Print last lines in log file where 'n' # is the number of lines to print tail -n /path/to/log/file |