Сбросить системный монитор KDE (KSysGuard)

you can open ~/.kde/share/config/ksysguardrc and set the MenuBar to 'Enabled': MenuBar=Enabled

if this variable is not present, the menu should be visible by default.

sudo apt-get remove --purge ksysguard to remove all installation files; then reinstall with sudo apt-get install ksysguard. For example dpkg -L ksysguard shows that there's config settings in /usr/share/kde4/config/ksysguard.knsrc too (for me on Kubuntu).

However this error looks a bit more weird to me - it may be that you've somehow managed to make a setting in the window manager that is affecting the display of the ksysguard window - perhaps altered the window type setting?

globot's answer applies to KDE 4, and this question was written for KDE 4, but now that there is KDE Plasma 5, some paths have changed.

If you are having this issue on KDE Plasma 5, you should remove the line that begins with MenuBar= from this file: ~/.config/ksysguardrc

Here is a one-liner command that can restore KSysGuard's menu bar in KDE Plasma 5:

sed -i '/^MenuBar=/d' ~/.config/ksysguardrc 

This is the command to run to restore KSysGuard's menu bar in KDE 4:

sed -i '/^MenuBar=/d' ~/.kde/share/config/ksysguardrc 

Explanation

I retroactively determined that globot's answer was correct by finding a backup of the configuration file ~/.kde/share/config/ksysguardrc that I had made on 26 July 2012 at 19:14 CDT.

Here were the full contents of that file:

State=AAAA/wAAAAD9AAAAAAAAAyAAAAIyAAAABAAAAAQAAAAIAAAACPwAAAABAAAAAgAAAAEAAAAWAG0AYQBpAG4AVABvAG8AbABCAGEAcgAAAAAA/////wAAAAAAAAAA [DownloadDialog Settings] Height 1080=400 Width 1920=700 [MainWindow] CommandList= HostList= MenuBar=Disabled SelectedSheets[$e]=ProcessTable.sgrd,SystemLoad2.sgrd SplitterSizeList=472,325 State=AAAA/wAAAAD9AAAAAAAAAyAAAAJEAAAABAAAAAQAAAAIAAAACPwAAAABAAAAAgAAAAEAAAAWAG0AYQBpAG4AVABvAG8AbABCAGEAcgAAAAAA/////wAAAAAAAAAA ToolBarsMovable=Disabled currentSheet=1 isMinimized=false 

Exactly as expected, MenuBar was set to Disabled, which disabled the menu bar in KSysGuard in KDE 4.

~/.kde/share/config/ksysguardrc isn't used in KDE Plasma 5, so to find the new location of the configuration file, I used strace:

deltik@workstation [~]# sudo strace -vvvffts1000 ksysguard 2>&1 | grep ksysguardrc [pid 5534] 23:32:27 stat("/home/deltik/.config/ksysguardrc", <unfinished ...> [pid 5534] 23:32:27 lstat("/home/deltik/.config/ksysguardrc", <unfinished ...> [pid 5534] 23:32:27 stat("/home/deltik/.config/ksysguardrc", ) = 0 [pid 5534] 23:32:27 access("/home/deltik/.config/ksysguardrc", W_OK) = 0 [pid 5534] 23:32:27 stat("/home/deltik/.config/ksysguardrc", ) = 0 [pid 5534] 23:32:27 stat("/etc/xdg/ksysguardrc", 0x7fffe011c4a0) = -1 ENOENT (No such file or directory) [pid 5534] 23:32:27 stat("/home/deltik/.config/ksysguardrc", ) = 0 [pid 5534] 23:32:27 open("/home/deltik/.config/ksysguardrc", O_RDONLY|O_CLOEXEC) = 9 [pid 5534] 23:32:27 stat("/home/deltik/.config/ksysguardrc", ) = 0 [pid 5534] 23:32:27 access("/home/deltik/.config/ksysguardrc", W_OK) = 0 [pid 5534] 23:32:30 open("/home/deltik/.config/ksysguardrc.lock", O_WRONLY|O_CREAT|O_EXCL|O_CLOEXEC, 0644) = 14 [pid 5534] 23:32:30 stat("/home/deltik/.config/ksysguardrc", ) = 0 [pid 5534] 23:32:30 open("/home/deltik/.config/ksysguardrc", O_RDONLY|O_CLOEXEC) = 17 [pid 5534] 23:32:30 stat("/home/deltik/.config/ksysguardrc", ) = 0 [pid 5534] 23:32:30 open("/home/deltik/.config/ksysguardrc", O_WRONLY|O_TRUNC) = 17 [pid 5534] 23:32:30 unlink("/home/deltik/.config/ksysguardrc.lock") = 0 ^C 

The above output shows that ksysguard is trying to read configuration from the file ~/.config/ksysguardrc.